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3. Solenoid Valve 1C Solenoid Valve ging 86 Quick Changing Buzzer A
4. i __ Torque Converter Oil Engine Water Gearbox 011 Middle Relay Lift Arm Middle Relay Bucket Vorking Chronometer Revolution Indicator Lube m Rear Headlight Switch high low Front Lighting Lamp Switch Rear Lighting Lamp Switch Front Rain Wiper Switch Water Spraying Switch Ressetable Warning Lamp Switch Switch Group Fuel Level Gauge Brake Air Pressure Gauge p Temperature Gauge Pressure Gauge Panel Wiring Group 1 1 1 1 Red 6 T TS ps 1151216 eed 1 5 2 6 Starting Switch mM 62 con BI IBI I e e OFF o o OFF o o OFF o
5. E Start Machine Switch Starting Switch tein Yellow By lug White S v u SIUE V u gt Poss 1 3 8 1 5 2 6 Pos pee slale ui VER Bn I e oj e Reset OFF e Pe BIB 3 paces d 0 Floating Solenoid o ete ete 1 1 ele els m oto Left 2 IH id x44 06 er ws I 0 0 Right Turning 9 3 hs 2 0 0 Real 4 cket Solenoid p uA A m Valve eee sg pmo la 5 a 62 i 7 asain sl Ee 0 o Spin Bs P aaa Fe a Solenoid Valve M 1 lo Oil Front Headlight low Front Headlight High Start Chain I left Turning High Lighti Sitel Syiteh Light Pressure Filtration Hand Brake Charging Power Cut Computer Bor Right Turning Light Warning Light Indicator Light Pressure Light Off Ligh
6. Combination Switch Oil Temperature Gauge Engine Water Temperature Gauge Gearbox Fuel Gauge Working Timing Brake Air pressure Revolution of Turque Converter Oil Pressure Gauge of Middle Relay Lift Arm Dashboard Disk Wiring Assembly Middle Relay Bucket
7. AR XC Te xA IZ i i D 3i Figure 1 1 Figure of safety label position Domestic Type 1 1 Safety Label and Its Position The positions of safety labels of this machine are shown in the figure 1 1 and figure 1 2 Please read carefully and follow the contents of all the safety labels Please maintain the labels when a label becomes lost broken or unclear immediately repair or replace the label If any component attached 1 Operation amp Maintenance Manual LG918 Wheel Loader with safety labels is replaced please make sure the new component has the same safety label When cleaning the safety labels please use cloth soap and water Do not use chemical and gas cleansers 1 2 The Contents of Safety Label Domestic Type 1 Warning for starting The kev should be at middle position when the machine stops Located above the start button 2 Start for lift 3 Limit position of lift arm 4 Danger of lift arm Lock the lift arm cylinder before entering dangerous areas Located on both sides of lift arms Located on the front of front and rear frames Located on both sides of lift arm Do Not stay under the lift arm 5 Danger of injury or death during steering 6 Notice for antifreeze fluid if stuck Located on the steering position Located on the l
8. oO O O 0 14 3 13 12345 113456 id al 113 1 3 1213456 123 12 Oil Temperature Sensor of Turque Converter Q5 total E 70000 dd 15 mae 4 o 1109 Proximity Switch Start Chain 0 0 gee a 0 Blue 5 Right Combination p o o1 3 30 60 Brown Light oli Bick Dd o 1 1 10 391 1 1 oo jo4 l 40 10 0 Brake Air Pressure Sensor 11 8 y 03 3040 50 LA 09 o4 40 30 12 30 4 18 T It ro sol 7 op tl 40 i XX 60 8 40 Reverse Switch go 0 22 Pressure Sensor of Gearbox o E 17 SE Left Combination 11 5 ES Light CN13 12 36 Fuel 011 Lever Sensor toy ott Bor 19 lo oH 149 NI 7 0 yr 3 30 1 0 od Engine 011 Pressure Switch 05 5041 31 x T 9 96 jor Hand Brake Switch Proximity Switch Lift Arm o 13 2 i o E gt V Blue Tello Technical LH Start Rel Proximity Switch Bucket id eC n Ca equ 1 rements ee 4 o INS All the electric appliances of this lecunlator lt A bile Rela Yellor vehicle type uses are DC24Y Safety Fuse J o 4 56a ud 56 36 NS Quick Changing 85 60A 28 Bq 105 Figure5 6 LG918 Electric System Diagram with Yuchai engine Domestic type Operation amp Maintenance Manual LG918 Wheel Loader SS TURPE E aN OE a a Ae A INIRE RR e EAE ND
9. io eee em M Connected With hodi 11 10 10 0 ected With Storage Battery Cathode 1o O 4 40 0 11 11 8 rgency Turning Valve 09 D RN i nf 5 x 04 40420 6 1 fo 1 10 Heos ff soled d alo z 30 l i i o 96 9 Hios g ol n i Fuel Level Sensor no 9 go 0 Reverse Switch j o 1006 61 83 Yk 5 5 22 11 uo t Fuel Prefiltration Indicator Switch N13 Bo o 1 i Left Lamp Group 36 12 12 1 o1 10 10 37 O 13 13 m cen HHH ue MM B T Oe 370 8 mn Y 04 40130 amp 0 2 Rh yer Off Valve 0 Bhriner Engine Oil Pressure Switch as T o5 5041 61 p 100108 15 MV C0119 3 Ww XX 06 P 6a 28 R 61 14 Proximity Switch Lift Arm Bn a fuse 75 AN Parking Brake Indicator Switch o Red e e 0 if 2 2c dc H o 5 13 Heater Relay z 29 D 0 CNi1 5 30 1 5i HH Heater 2 1 Hellow 4 o 42 29 V MW 2 1 L Proximity Switch Bucket zot Ss e l 28 Riad G roximity Switch Bucke R 6 lo 4 4 offi jJ Storage Battery ex 0 Ed v 1 use 2 4 5 28 AH as ae Yell 2 H 60A a BZ o 13 ellow LS Technical Requirements oe Slide No Sur 85 MKH 42 A TENE 1 KO 09 Quick Changing Magnetic Valve N Ni o d TEA All the electric appliances of this d ida 85 1 1 1j n tO 2 2 o Qufot Changing Magnetic WoA og M vehicle
10. ET S O Ma 1T Ws 123P 2005 1 Tr 6 7 l Multi way valve 2 Lift arm cylinder 3 Steering cylinder 4 Hydraulic oil tank 5 Oil returning filter 6 Respirator 7 Pressure option valve 8 Steering and speed changing pump 9 Pilot filter 10 Priority Valve 11 Redirector 12 Redirector cylinder 13 Pilot valve Figure 5 3 LG918 Hydraulic System Diagram pilot control 102 Operation amp Maintenance Manual LG918 Wheel Loader 3 BRAKE SYSTEM Brake system is used when the machine decelerates stops or for long term parking on the level ground or slight incline The brake system of this machine 1s composed of a driving brake system and parking brake system as shown in Figure 5 4 and 5 5 Brake pump 3 Air tank ot rear axle l Air booster pump 2 Air brake valve 4 Combination valve of oil water Separator 5 Air compressor Figure 5 4 LG918 Single Brake Pedal Braking Diagram Front axle LP T E 6 Pee l Air booster pump 2 Shuttle valve 3 Air brake valve 4 Air tank 6 Air compressor 7 Brake electromagnetic valve 5 Combination valve of oil water Separator 8 Parking brake air chamber Figure 5 5 Double Brake Pedals Braking Diagram 103 Operation amp Maintenance Manual LG918 Wheel Loader 3 1 Driving Brake System Single Brake Pedal As shown in Figure 5 4 this system is the single line air pushing
11. There is no need to stop the machine or step on the brake pedal in changing the forward levers during driving When changing the speed from low to high release the accelerator a little and operate the Gear Control Lever at the same time and step on the accelerator when changing the speed from high to low release the accelerator first and then change the transmission slowly After the lift arm and bucket are moving to the required position release the control valve lever to the middle position Change the forward or backward driving direction after stopping the loader Full load work is allowed until the water temperature of the engine is above 60 and the mobile temperature of the engine is above 50 C But the water temperature of the engine should not be over 95 C and the mobile temperature of the engine should not be over 120 otherwise stop the loader to cool it Never lift the bucket to the highest position to transport material The lower hinge of the lift arm should be 400mm 500mm above the ground to ensure stable driving during the transporting process A diesel engine is used in the machine The power of the diesel engine will go down as the altitude environmental temperature and relative temperature goes up So please pay attention to the environmental conditions and calculate the real power under the current environmental condition according to the power correcting table in Diesel Engine Usage and Maintenance User Man
12. Check the fire extinguisher before starting repair work Know the location of fire extinguishers and first aid bag and know how to use them Never use fire match or lighter to check dark areas 8 14 Air Storage Tank Open the drain valve of the air storage tank to drain every o T day This is especially important in cold weather Make f y sure the drain valve is closed before starting the engine 37 Operation amp Maintenance Manual LG918 Wheel Loader Examine the outside of the air storage tank frequently because of high pressure air Examine the anti erosion layer and welding line to ensure safety 8 15 Electric System The electric system must be maintained by a professional person with a proper license Connect the grounding cable last to prevent an explosion due to electric sparks near the battery when adjusting outside power Remove the start up key before repairing the electric system 8 16 Maintenance of Storage Battery Oxygen and hydrogen may be generated during battery charging because the electrolyte of the storage battery contains vitriol So mis operation of the storage battery may lead to severe injury or fire Please do as follows Keep kids away from the battery Wear safety glasses and rubber gloves to deal with the battery If vitriol gets in the eyes or on the clothes or wash with lots of water and go to hospital 1f hurt severely Keep fire away from the battery duri
13. Clean and replace fuel filter frequently Clean the electric components especially the starting motor and alternator to avoid accumulation of dust affecting dispelling heat Refer to Operation and Maintenance Manual of diesel engine for replacing and maintaining air filter 1 18 Avoid Using Mixed Oil Never use oil mixed from different brands If only a different kind of oil from the one previously used drain the oil from the machine and fill with the new brand oil 2 DETAILED RULES OF MAINTENANCE 2 1 Detailed Rules of Using Oil Fuel and Coolant 9 Operation amp Maintenance Manual LG918 Wheel Loader Because of bad operating conditions and dusty ambient circumstances oil easily deteriorates Change oil as soon as the oil deteriorates or is mixed with many impurities Add the specified volume of oil Either too much or too little oil may cause problems Clean and replace the relative filters when changing oil 2 1 1 Fuel The fuel pump is a precision instrument If the fuel mixes with water or dirt the fuel pump will not work normally Never let impurities enter when changing and adding fuel Strictly choose the fuel brand according to this manual The fuel may be frozen at low temperatures particularly temperatures lower than 15 So it is necessary to change the kind of fuel according to the ambient temperature Always fill the fuel tank full after operating to prevent the water
14. Front wheel 0 33 0 35 MPa 0 33 0 35 MPa Rear wheel 0 27 0 29 MPa 0 27 0 29 MPa 8 2 Principle Dimension and Weight Length bucket on ground 5798 mm 6068 mm Width outside of wheels 2040 mm 2040 mm Bucket width 2140 mm 2140 mm Height 2920 mm 2920 mm Wheel track 1630 mm 1630 mm Wheel base 2260 mm 2260 mm Min ground clearance 290 mm 290 mm Max dumping height 45 dumping angle 2510 mm 2800 mm Dumping space 45 dumping angle 920 mm 888 mm Dumping angle 45 45 Operating weight 6200kg 6250kg 8 3 Product Standard and License Product Standard Q LGJ 001 wheel loader Operation amp Maintenance Manual LG918 Wheel Loader CHAPTER III OPERATION AND APPLICATION 1 BE FAMILIAR WITH MACHINE 1 1 Control Systems and Gauges 1 Panel 2 High and Low Speed Control Lever 3 Fore and aft Gear Control Lever 4 Steering Wheel 5 Brake Pedal 6 Accelerator Pedal 7 Parking Brake Control Lever 8 Seat 9 Bucket Control Lever 10 Lift Arm Control Lever 11 Turning Switch 12 Starting Switch 13 Horn Button Figure 3 1 General view of control System E i i el a 1 Steering Wheel 2 Panel 3 Speed Change Control Lever 4 Brake Pedal one for left and right side 5 Accelerator Pedal 6 Seat 7 Parking Brake switch 8 Equipment Control Lever 9 Switch Group 10 Starting Switch 11 Horn Button Figure 3 2 General view of control System with pilot single handle and three pedal 50 Operation amp Maintenance Man
15. LLI Zi Is 2 SHOL X CX 988 BD n m A Operation amp Maintenance Manual LG918 WHEEL LOADER N WARNING Operators and maintenance persons should read this manual carefully and understand these instructions before use to avoid serious accident For the convenience of relevant people using this manual it should be easily accessable and kept in readable condition SHANDONG LINGONG CONSTRUCTION MACHINERY CO LTD Operation amp Maintenance Manual LG918 Wheel Loader LG918 WHEEL LOADER Operation amp Maintenance Manual 880x1230 mm 162 6 25pieces 6th Edition in 2011 12 and IstPrintin 2011 12 SHANDONG LINGONG CONSTRUCTION MACHINERY CO LTD Address Linyi Economic Development Zone Shandong 276023 Tel 86 0539 8785624 86 053 1 66590955 Fax 86 0539 8785618 86 053 1 66590959 Website www sdlg cn Services Tel 86 0539 8785800 400 6587999 Table of Contents T I INEORNDXLION aede despues pedes puede dte ipaam matti ael mtt lue aee IH use eese a 1 SAEBTY LABEL POSITIONS AND THE CONTENTS reais ura i E E ation es 1 se 2s 6 co is RULES ever p pam mama tied A mE cre UE 11 DISATELDY OPERATIO Que RE EUR n idu M MC M MEM M ee ee
16. lt Ifthe pressure index lies in the green range 0 4MPa 0 8MPa the oil pressure is normal Be sure to stop the machine for inspection if the index moves outside this range lt Ifthe pressure index lies in the range of 4 8 x 100kPa or 5 8 11 6 x 10PSI the oil pressure is normal Be sure to stop the machine for inspection if the index moves outside this range Fuel Level Gauge if assembled This gauge indicates the ratio of remaining fuel level in the fuel tank to the volume of tank Revolution Indicator if assembled This gauge indicates the rotating speed of engine Indicator Lamp The indicator lamp is located on the gauge panel Refer to 1 1 Control Systems and Gauges Figure3 3 and 3 4 in this chapter Pre h eat Ensine Chl Charge Power Cut Emergency Indicator Pressure Indicator Indicator Steering Indicator Lamp Wammg Lamp Lamp Lamp Lamp 8 ees mS elole Me E Low Brake Far Beam Computer Fuel L Pressure Indicator Working Prefiltration Warming Lamp Lamp dicator Lamp Indicator Lamp 53 Operation amp Maintenance Manual LG918 Wheel Loader Pre heat Indicator Lamp The lamp will come on if start switch is turned to preheat position when machine is equipped with cold start equipment the lamp will be off if start switch is turned to other position Oil Pressure Warning Lamp The lamp will come on immediately if the start switch is turned on It
17. AND SYSTEM 1 TRANMISSION SYSTEM The transmission system includes the hydraulic torque converter transmission box the oil line system of hydraulic torque converter of transmission box transmission axle front and rear driving axle wheel and others The transmission system diagram is shown in the Figure 5 1 2 1 l Engine 2 Hydraulic Torque Converter 3 Gear 4 Parking Brake 5 Wheel 6 Wheel Side Reducer 7 Differential 8 Driving Axle 9 Main Transmission 10 Transmission Shaft Figure 5 1 LG918 Transmission System Diagram 2 HYDRAULIC SYSTEM As shown in Figure 5 2 Figure 5 3 the hydraulic system includes the working equipment hydraulic system and steering hydraulic system The working equipment hydraulic system is composed of a work pump multi way valve lift arm cylinder bucket cylinder hydraulic pressure oil tank and pipe attachments 101 Operation amp Maintenance Manual LG918 Wheel Loader ae ffl ty ES 2 E 1 3 3 T ie v4 LT d j 0 l Multi way valve 2 11 cylinder 3 Steeringcylinder 4 Hydraulic oil tank 5 Respirator 6 Oil returning filter 7 Gear pump 8 Priority Valve 9 Redirector 10 Redirector cylinder Figure 5 2 LG918 Hydraulic System Diagram mechanical control 221 5 1 12 Ir 1L 1 i dii ES ln E Xb LET 13 a zi mw We ee eed a vx E At i mpm uu 1 QQ sal
18. Replace them if necessary Clean the silencer of the braking electromagnetic valve Check and clean the air vent of gearbox Clean the oil pan of gearbox Replace the suction filter cartridge in the oil pan of gearbox Replace the filter cartridge in the oil lines of torque converter gearbox replace the gearbox oil Replace once at least annually In addition do the extra maintenance in the first 500 hours as follows Check if there is leakage in the hydraulic system Check and clean the air vent of hydraulic reservoir Replace the filter cartridge of oil return filter and pilot filter Cif assembled Check the quantity and cleanness of hydraulic oil Filter the oil if possible Add them if deficient and replace them 1f necessary Check if there is leakage in the brake system Clean the filter mesh of the oil bowl in the booster pump Clean the air vent and replace the brake fluid 3 6 Every 1000 Hours Half a Year Service Carry out the periodic maintenance of every 10 50 100 250 and 500 hours with this maintenance operation at the same time Change the gear oil in the front and rear axles Replace once at least annually Check and clean the filter mesh of the oil bowl in the booster pump Clean the air vent and replace the brake fluid Check the clearance and wear condition of the pins and the bushes in every articulated point Replace the filter cartridge of oil suction and return filter If assemble
19. with machine in operation 7 Operation amp Maintenance Manual LG918 Wheel Loader 7 Notice for platform frame Located on right and left platform frames Ay WARNING Risk of Fall On Rntry amp Exit Maintain 3 points of contact Never jump off machine e Climb up forwards down backwards Ensure the steps are clean 2 8 Hydraulic oil tank 9 Warning of high temperature Located on the hydraulic oil tank Located on vent pipe of engine hood MEE AD WARNING HYDRAULIC OIL TANK Recommanded Scale HOT AMBIENT T HYDRAULIC OIL N 40C L MM6 SURF ACE 30C 40C 11 9046 d 10 Fuel tank 11 Notice of hot water Pay attention to steam or hot water ejection Located on fuel tank y J Located on cover of water tank of engine hood FUEL TANK Recommanded Scale AMBIENT T DIESEL OIL ra 51 10 141 2 29L 35 When the oil plane under the 0 line please retill tuel m tune or it can result flamecut ot engine where the machine nin rampway Operation amp Maintenance Manual LG918 Wheel Loader 12 Antifreeze fluid Cif sticking Located on the left operator cab door and mouse of radiator of engine hood If coolant 35 has been added Coolant 354 has been added in the machine Morice the coolant 18 glycol engine cooling Li
20. Loader 1 2 7 Towing Pin During towing insert the towing pin D into the counterweight 2 1 2 8 Fuse N NOTICE Always be sure to close the startup switch before replacing the fuse The fuse is used to protect the wiring and cable from burning out If the fuse has become corroded by oxidation or the fuse is loose in the fuse holder please replace the fuse When replacing the fuse please replace with a fuse of the same specification 1 2 9 Air Conditioning 1 2 9 1 control panel and is operation if assembled The Appearance of Panel The panel of air conditioning is on the right operator box 1 Working Indicator Lamp 2 Air Volume and Power Switch 3 The Switch to Control the Temperature Operating methods a Refrigeration lt Start the engine lt Open the air volume and power switch 2 which have three gears fan low gear fan middle 62 Operation amp Maintenance Manual LG918 Wheel Loader gear and fan high gear and four positions O L M and H The speed of evaporating fan increases from left to right to adjust the air volume lt Open the temperature control switch 3 to the max the indicator lamp 1 will light then the compressor starts working for the refrigeration of air conditioning lt Turn the air volume and power switch 2 to select different gear to obtain three different volume of air lt Turn the temperature control switch anticlockwise slowly to obt
21. Oil leakage in the oil lines of this gear Low oil level in gearbox oil tank High oil level in gearbox oil tank Low shifting pressure and clutch slips T Q radiator is clogged T Q operates with high load for a continuous long time Radiator is not good Cut off valve spool of transmission control valve can t reset Shift no gear Spring of pressure regulator valve in transmission valve is broken same as 1 2 3 and 4 of problem 1 Low shifting pressure High oil temperature of T Q Damaged T Q blades Insufficient driving force of engine 86 Add oil to the specified level Check the main oil lines Clean or replace the filter Disassemble and check the converter charging pump or replace it Readjust to the specified value Change the spring of pressure regulator valve Disassemble and check to remove the lock Change the seal ring Change the gasket Check and remove the leakage Add oil to the specified level Drain oil to the specified level Refer the problems 1 and 2 Clean or replace the radiator Shut down for cooling Disassemble the cut off valve find out the reasons that spool can t reset and remedy Shift gear again or readjust the gearshift control levers and linkages Change the spring of pressure regulator valve Refer to 1 2 3 and 4 of problem 1 Refer to problems 1 and 2 Refer to problems 3 Disassemble and check the torque converter change blades Check and maintain the engine Operation amp Ma
22. Pinion of starting motor does not mesh or keep meshing without Faulty battery charge rotation Insufficient battery starting motor turns feebly charge Faulty alternator Faulty cable Starting motor disengages before 2 Insufficient battery engine starts charge 85 1 Check and repair the loose terminals and disconnections 2 Refer to the Operation and Maintenance Manual of diesel engine to adjust the tension of fan belt 1 Replace 2 Check and repair 3 Refer to Operation and Maintenance Manual of diesel engine for adjusting the tension of fan belt 1 Check and repair 2 Charge 1 Charge 2 Replace 1 Check and repair 2 Charge Operation amp Maintenance Manual LG918 Wheel Loader 3 8 2 Transmission System Shifting pressure of every gear 1S low Shifting pressure of a certain gear is low The oil of torque converter overheats Machine can not move when engine runs in high speed Insufficient driving force Low oil level in gearbox oil sump Oil leakage in the main oil lines Clogged oil filter of gearbox Faulty converter charging pump Improper adjustment of the pressure regulator valve in transmission control valve Invalid spring of pressure regulator valve in transmission control valve Pressure regulator valve of transmission control valve accumulator piston 1s locked Damaged piston seal ring of this gear Damaged gasket in the oil lines of this gear
23. a Rr a IEEE DR a E RE E MA ues Cement evan Hecate Mee dil e hr Caa Relay Docket Bear Vell ight reat lam dear Lamy Selih Frost lala Wiper lech Mtr Deitch Lamp felici _ odd ire mem Air Preszare Lange Teaperstcre Gangs M y m Y p ppl Wasal ME hs Kad bah rA ve JA il Hel 1 111 j iw jefe lei lel 5 je to ll e ls Liieiies 1199 ders 19 ESCIEZ ow ope i il ELT CET nti ined Tale fete p El E EEE Front Deadlight em pooni Bewilight thigh Middle telag Start ol HPAL E uiri 7 LEE Ii mm COF S En kiia eie T F EEEIEE ee s Me EH REESE LEER p oF im ze E J i Suet Mala dir Pressure Senior LL Figure5 7 16918 Electric System Diagram with Yuchai engine Export type 106 Operation amp Maintenance Manual LG918 Wheel Loader
24. accredited representative if the engine does not start or the brake system has problems Please tow the machine on level ground it is dangerous to tow on a ramp If a disabled machine is towed by an other machine the tightwire should be strong enough to pull the weight of the towed machine The tightwire with wring or radius reduction can not be used A bare of birdcage inner rope shape People are not allowed to go between two machines when the machines are connected Do not stand on the towing steel wires or tightwires Keep the hook of the towing machine and the towing parts in a horizontal line 25 Operation amp Maintenance Manual LG918 Wheel Loader 6 1 Keep Good Operation Habits Always be seated with the safety belt locked during operation The machine in operation should always be controlled by the operator Operate the control lever of the working equipment properly to prevent misoperation Examine and listen to the exceptions carefully and report immediately Do not repair while in operation An overload is dangerous Shandong Lingong Construction Machinery Co Ltd assumes no resposibility for the injury or damage induced by overload It is dangerous to hit any object at a high speed Damage may be done to the loaders the goods and the operator Keep perpendicular during loading and unloading materials If working in a side direction the steering cylinder
25. caused by unauthorized modifications 12 Operation amp Maintenance Manual LG918 Wheel Loader 3 SAFETY OPERATION 3 1 Be Familiar with Machine Study the operation manual for the machine Learn the structure of the machine operation and maintenance Be familiar with the positions and functions of the buttons operation handles meters and warning devices Know all the rules in operation understand the gestures of signaling staff If there is any oil near the operating positions that can cause slippage clean it immediately Check all the safety items for example the safety protective devices should be at the safe status Make sure the tires are not worn and the tire pressure 1s normal Routinely check for oil leaks water leaks air leaks deformation loose fittings and abnormal sounds or accidents may occur Check the safety devices routinely 3 2 When Leaving Operator s Seat Always keep the parking brake switch in the lock position Level the working equipment completely to the ground and put the gear control lever and working equipment control handle in the neutral position then stop the engine and turn off the starting switch Set the stop block on the front and rear wheels if necessary Make sure the loader is locked and put the key in a safe place 13 Operation amp Maintenance Manual LG918 Wheel Loader 3 3 Mounting and Dismounting Check the handrails
26. dust sprinkle with water first 17 Operation amp Maintenance Manual LG918 Wheel Loader When working on public roads there should be a trained person managing the traffic Erect the barricades and use the sign of DON T ENTER to ensure safety of passing traffic and pedestrians In the places where objects are buried such as water pipes gas pipes or high voltage cables contact the responsible companies to confirm the position of the buried objects and take care not to damage them during operations When working in water swampland or passing a sand bank check the ground conditions speed and depth of the water Be sure not to exceed the permitted water depth After working check and clean the positions where lubricant is needed Please refer to CHAPTER II 6 CIRCUMSTANCES REQUIREMENT for the depth of water for passage Be sure there are good ventilation conditions when working in a close environment 4 1 2 Check before Starting the Engine Check the machine carefully before starting work Report to the manager if there is any abnormal condition Operate only after the abnormal conditions are resolved To avoid fire check whether there are any flammable materials such as wood chips leaves and paper which have accumulated on the engine Check whether there 1s leakage of oil or water loose nuts abnormal sounds broken or lost parts Check the cab floor rearview mirror control lever or control handle pedal and handrails
27. ere ener ee 13 q S EVN Gr SAEBLDYs iie dtes cre dpi tem toTc NAT M UEM ME 17 SOAPEDYJDREVIINGE c ra ends ua redi a nde sada ae eats deeds ao ends nde redi ad 20 SAFELY OPERATION C 25 DNE instead A E A E T ases 30 S SAFETY EXAMINATMONAND REPAIR meade amu apu UN 31 TRANSPORTAMON iniciada ciam Dad dt 41 CHAPTERTITTINTRODUC TION N 44 GENERAL VIEW OF THE MACHINE amp COMPONENTS 44 ZOEONIETLRICADIDIVIENSIOIScussentedufantcnamentodhufegut 45 PRODUCT LY PE AND TTS 46 A NAMEPLATE 46 SUSE CONDITION deo de t te eb ee o 47 0 CIRCUMSTANCES REQUIREMENT 55 desees e qon deoa o von a gogo qe dye novo ea der vna ER a 47 y 4 rr 47 S TECHNICAL PERPORMANCE amp PAISAMPBTBR tt t Re pero I pe ohio epe 48 CHAPTER HT OPERATIONAND APPDEICALDION 50 WELL NDAG EINE GE Gades uad quu eU NIE 50 2 RUN IN PERIOD OF NEW MACHINE ie e E EE En DE mI MM 65 S OPERATION AND USE OF LOADER entes e rona sc qu son Doce sommo bu sen Deos 66 CHAPITER MAINTENANCE Red T MH 90 LMATNTENANCE GUDE Mc 90 2 DETAILE
28. indicates the temperature of engine water When the temperature index lies in the green ranges 60 C 100 C the water temperature 1s normal Notice If the temperature index moves past green into the red range be sure to stop the machine for inspection Refer to 3 4 2 Steps to Stop Engine in this chapter for details of stopping the engine Torque Converter Oil Temperature Gauge This gauge shows the torque converter oil temperature When the temperature index lies in the green range 60 C 120 the oil temperature 1s normal If the temperature index moves past green into the red ranges be sure to stop the machine for inspection Working Chronometer This indicator shows the total operation hours of the machine its value can be used as a reference for inspection and maintenance Gearbox Oil Pressure Gauge This gauge indicates the pressure of the gear shifting system lt Ifthe pressure index lies in the green range 1 1 MPa 1 5MPa the oil pressure is normal Be sure to stop the machine for inspection if the index moves outside this range lt Ifthe pressure index lies in the range of 11 15 x100kPa or 15 95 21 75 x10PSI the oil pressure is normal Be sure to stop the machine for inspection if the index moves outside this range 52 Operation amp Maintenance Manual LG918 Wheel Loader Brake Air Pressure Gauge This gauge indicates the air pressure of the brake system
29. oil Aged or broken oil seals of working pump mixing into or steering pump lead to the hydraulic oil Change oil seals or change oil gearbox leaking into the gearbox pump i 1 Check the oil lines remedy the l Suction oil line is damaged and air is Foam in hydraulic us leaking parts Replace if sucked into oil lines oil tank and harsh Low oil level and large amount of air 1s boue d noise 5 2 Add hydraulic oil to specified level sucked into oil lines 88 Operation amp Maintenance Manual LG918 Wheel Loader 3 8 5 Steering System 1 2 3 1 Heavy steering Increased steering turns Inflexible or 3 failure of steering system Steering wheel can not reset 3 8 6 Engine Insufficient oil supply for working pump 1 and steering pump E 2 Air in steering system Faulty steel ball in check valve body of 3 steering unit causes heavy steering and little pressure during either slow or quick 4 turning of steering wheel Faulty of piloted valve Too low pressure of safety valve Insufficient oil level in hydraulic reservoir Leakage in oil lines damaged oil seals Internal leakage of steering cylinder Worn steering unit High viscosity of oil or wrong brand of oil Damaged spring plate of steering unit Cracked broken or deformed centre pin and drive shaft Faulty dual overload valve Scuffed rotor and stator scuffed valve spool valve body and sleeve Faulty in steering pump or pi
30. oil four wheels caliper disk brake system When the brake pedal 1s stepped on during driving the compressed air in air tank 3 flows through air brake valve 2 into the air chamber of the air booster pump 1 The compressed air pushes the piston of the booster pump to change the oil pressure oil pressure is about 14MPa Brake fluid pushes the piston of the caliper disk brake and makes the friction disk contact the brake plate to achieve the purpose of slowing and braking Release the brake pedal and the compressed air of the booster pump drains from the brake valve to the atmosphere and the brake is released 3 2 Driving Brake System Double Brake Pedals As shown in Figure 5 5 this system 1s the double brake pedals air pushing oil four wheels caliper disk brake system using two brake calipers for front and back to increase the safety of whole vehicle When the left brake pedal 1s stepped on during driving the compressed air in air tank 4 flows through air brake valve 3 and shuttle valve 2 into the air chamber of the air booster pump 1 The compressed air pushes the piston of the booster pump to change the oil pressure the max oil pressure is about 14MPa Brake fluid pushes the piston of the caliper disk brake and makes the friction disk contact the brake plate to achieve the purpose of slowing and braking At the same time output the signal of air pressure and cut off the power of transmission box When the right brake pedal 1s stepped on dur
31. on right control box When the start switch is at ON position the unit heater rain wiper front headlight front lighting lamp warming lamp back lighting lamp and rear headlight will be controlled separately by this switch Front Warning Front Lighting Indicator Pack X Unit Rain Heater Wiper Unit Heater Switch if assembled Press the lower button and unit heater will work press upper button and unit heater stops working When the unit heater or air condition works adjust the air outlet in the front or profile of gauge panel Adjust wind outlet to clean the frost and blow the warm cool wind Rain wiper Switch Press bottom side rain wiper will work press top side the rain wiper will stop Front Headlight Switch Press bottom side the low beam of the front headlight and all back lights will come on Press top side high beam of the front headlight and all back lights will come on If no side is pressed no lamp will come on Front Light Lamp Switch Press bottom side and the front light lamp on the top of cab will come on press top side and the lamp will go off Warning Lamp Switch 56 Operation amp Maintenance Manual LG918 Wheel Loader Notice Turn it off during driving When this button is pushed down all the turning lamps will blink for an emergency circumstance sending light to warn the other vehicles and passersby Press the button once again and the button springs back so all the
32. pipes Find out the reasons for sealing failure and change parts if necessary Tighten the fitting Check air compressor Check and clean the inner parts of brake valve find out the unsealed parts then repair Clean air bleed hole find out the unsealed reasons of retaining valve and diaphragm then repair Operation amp Maintenance Manual LG918 Wheel Loader 3 8 4 Hydraulic System of Work Equipment Over worn or damaged cylinders Change the oil seals of cylinder Over worn multi passage valve Change the distribution valve excessive clearance between valve Find out the leaking points and spool and valve block repair Oil leakage of oil lines Change the oil pump Severe internal leakage of working Check oil lines and remedy pump Regulate the system pressure to Idle suction of working pump set value Low set pressure value of safety valves Clean the filter strainer and Clogged suction tube and filter change oil Insufficient rising force of life arms 1 Damaged seal ring of steering cylinder Insufficient force Change the oil seals 2 Over worn of multi passage valve of the bucket the 2 Change multi passage valve excessive clearance between valve 2 bucket tend to 3 Change the system pressure to spool and valve block AE wer MON NOE 3 Low set pressure value of safety valves Die ome vaie float up P 4 Disassemble and clean 4 Overload valve and oil complementary valve is blocked by dirt Hydraulic
33. the front and rear axles Check and clean the air vent of gearbox Clean the oil pan of gearbox Replace the suction filter cartridge in the oil pan of gearbox Replace the filter cartridge in the oil lines of torque converter gearbox replace the gearbox oil 3 4 Every 250 Hours Month Service Carry out the periodic maintenance of every 10 50 and 100 hours with this maintenance operation at the same time Check the storage battery Clean surface and terminals of the battery then coat Vaseline lamina Check whether assembling bolts of frames are loose and welding seams are cracked Check whether the front and rear axles engine and gearbox and frame are loose Check the tire pressure Inflation pressure of front tires should be 0 33 0 35 MPa while that of 98 Operation amp Maintenance Manual LG918 Wheel Loader rear tires should be 0 27 0 29 MPa In addition do the extra maintenance in the first 250 hours as follows Check if there is leakage in the brake system Clean the filter mesh of the oil bowl in the booster pump Clean the air vent and check the brake fluid Add them 1f deficient and replace them if necessary 3 5 Every 500 Hours Season Service Carry out the periodic maintenance of every 10 50 100 100and 250 hours with this maintenance operation at the same time Check and adjust the clearance of hand brake system Check the wear condition of brake discs and friction discs
34. tidy without flammable materials around to prevent fire or slippage Lock the front and rear frames with a safety bar to prevent rotation before examination and repair Make sure all the levers or handles are in the neutral position and use the necessary equipment to support the life arms cylinder and tilting oil cylinder to prevent the working equipment from falling if you have to examine and repair when the bucket is lifting 8 2 Working in a Close Area Exhaust gas from the engine may cause disease or death If working in a close area use releaser to release the exhaust gas in the area If there 1s no releaser please open the door 8 3 Maintenance of frames during jacking up 8 4 Working under the Machine When jacking up the frame do not let anyone enter the other side of the frame Before jacking up lock the front and rear frames with a safety bar and put all the levers or handles in the middle and wedge the tire from the opposite side Put the cushion blocks under the machine Park the machine on firm ground Lower the working equipment to the ground before working under the 32 Operation amp Maintenance Manual LG918 Wheel Loader machine Wedge the tire firmly It is dangerous to work under the machine only using the working equipment to support the machine Never work under the machine without good support 8 5 Working on the Machine Make sure the top of the machine has no blockage an
35. turn or brake suddenly except in an emergency When the loader is working without a load the gearshift should be used from low speed to high speed at each level accordingly Turn left right or brake steadily in the process of driving In the period of run in all speeds including forward and reverse should be adjusted It is better to load bulk materials in the period of run in Do not operate the loader too hard or too rudely The load should be less than 70 of the standard load and the speed should be better less 65 Operation amp Maintenance Manual LG918 Wheel Loader than 70 of the maximum speed limit Pay attention to the lubricating condition routinely add and change the lubricant according to rules Pay attention to the temperatures of the gearbox torque converter front and rear frame rim and brake drum Once they are overheating find the reason and repair it Check the fastening conditions of the bolts and nuts Do the following maintenance after 10 hours of run in time on the new loader Check the fastening status of bolts and nuts of all parts but especially the bolts of diesel engine cylinder cover vent pipe bolts front and rear frame bolts rim bolts transmission axle bolts and connection bolts Clean the raw and essential engine oil filter and fuel filter Check the tension status of the belts of fan electrical machine and air condition compressor Check the capacity of the storage battery electrolyte an
36. turning lamps will stop blinking Rear Light Lamp Switch Press bottom side the rear light lamp and the front and rear side indicator lamps will come on press top side the lamps will go off Rear Headlight Switch Press bottom side and low beam of the rear headlight on the engine hood will come on Press top side and the high beam of the rear headlight on the engine hood will come on If no side is pressed no lamp will come on Top Lamp Switch This switch is behind the ceiling lamp in the operator cab see picture Press ON position to turn it on Press OFF position to turn it off Fan Switch Press the bottom side for low air speed Press the top side for high air speed Press the middle of the button and the fan will stop Horn Switch Press the button in the middle of the steering wheel and the horn will sound Radio and CD Player Control Panel if assembled This switch is at the right side of the ceiling cab and for the details please refers to Radio and CD player Assembly amp Operation Manual 1 2 3 Steering Wheel The steering wheel and steering unit are connected Turning the steering wheel clockwise the machine turns right turning the steering wheel counter clockwise the machine turns left The features are listed below The rotation angles of the steering wheel and the machine are not equal If the steering wheel 1s continuously turned the machine rotation angle will increase until at the nee
37. type are DC24V 1 6 OD 81 03 3 Start Machine 3 H OOS 0 o4 pol Quick Changing Buzzer 81 Figure5 8 16918 Electric System Diagram with Yangma engine Export type 107
38. which 1s condensed by the moisture in the air from entering the fuel tank If the engine fails to suck fuel or the filters have been just replaced drain out the air in the circuit 2 1 2 Coolant Always use glycol type engine antifreeze as coolant Ifthe engine overheats add coolant until the engine cools down completely Add coolant to specified level If the level 1s too low it will cause the overheating of the engine system and the corrosion of the cooling system Antifreeze 1s flammable Keep fire away when adding the antifreeze When adding antifreeze select different types of antifreeze according to the condition of circumstance the recommended range to select 1s If the ambient temperature 22 15 C use 25 If the ambient temperature 25 C use 35 If the ambient temperature 35 C use 45 2 1 3 Lubricant Lubricant is used to reduce noise and prevent wear on the joint surfaces Joints not included in the manual connectors jointing sleeves are treated during overhaul So they do not need be lubricated When some parts become inflexible because of long term 92 Operation amp Maintenance Manual LG918 Wheel Loader operation it is necessary to add lubricant Remember to wipe off the overflow lubricant when adding it 2 1 4 The Storage of Oil and Fuel Prevent water dirt or other impurities from mixing with the oil Follow the rule first in first out to maintain oil quality
39. will go off immediately after the engine is started Otherwise it means the level of lubricant 15 too low or there 1s some problem with the lubricant system Then shut the engine and check it Charging Indicator Lamp The lamp will come on if the start switch is turned on It will go off immediately after the engine is started Otherwise it means there is some problem with storage battery Please examine and repair it Power Cut Indicator Lamp The lamp will come on if the power is cut off and it will go off if the power 1s not cut off When braking pedals are installed on the two sides the power will be cut off and the lamp will come on if the left braking pedal is stepped down the power will not be cut off and the lamp will go off 1f the right braking pedal 1s stepped down Emergency Steering Indicator Lamp The emergency steering function is selected to install When the wheel loader is steered emergently the lamp will come on if the emergency steering pump Works Parking Brake Indicator Lamp If the brake air pressure 1s normal the lamp will come on when the parking brake switch 1s pushed down The lamp will go off when the parking brake switch springs back the lamp will also come on if the brake air pressure is low Brake Air Pressure Alarm Lamp The lamp will come on for a warning 1f the brake air pressure 1s below 0 4MPa High Beam Indicator Lamp The lamp will come on if the high beam is used in the front head light The lamp will go o
40. 300 SAE10W 30 20 C 40 C Delvac super 1 over 40 C Essolube XT 5 Similar Oil Brands DTE25 10 C 40 C Tellus 27 Tellus 29 DTEI5M 26C 40 C Hydro kinetic Tellus T27 46 94 CALTEX MOBIL SHELL CASTROL ESSO Hyspin AWS 32 H4 Hyspin AWS 46 Hyspin AWH46 Vnivis N46 Nuto Operation amp Maintenance Manual LG918 Wheel Loader Hydraulic transmission oil torque converter transmission oil Similar Oil Brands Chinese Brands CALTEX MOBIL FUCHS ESSO SHELL 8 Hydrostatic Mobile Caltex Delo Gold Titan universal Standard Torque transmission oil HEIBAWANGI300 Rotella 10W Q SH303 064 Multigrade15W 40 SAE 15W 40 HD15W 40 Fluid G7 Gear oil Axle oil Similar Oil Brands classified by API standard GL 5 Chinese Brands CALTEX FUCHS MOBIL ESSO Mobil Gear oil HD80W 90 Spirax EP uberem Caltex Thuban Titan Gear 20 C 40 C 2 Gear oil GX Heavyduty GL5 EP 90 LS90 Automobile Gear oil 85 W 90 HD90 ce HD85W 90 HD80w 90 10 C 50 C Brake fluid Similar Oil Brands Chinese Brands Grade MOBIL ESSO British BP SHELL Motor vehicle brake SAE cs Brake fluid fluids HZY3 1703C brake fluid Brake fluid Disc brake Donax B GB12981 DOT3 fluid Grease 95 Operation amp Maintenance Manual LG918 Wheel Loader Similar Oil Brands Chinese Brands Sitar Brands 00 MOBIL CALTEX CASTROL ESSO British BP SHELL ZG 2 or Ter n ee p
41. 60 E TI BREE n i y Ily o 16 16 3 mb ms ED Sprayer Machi 0 61 10 10 26 18 38 38 4 D Nt 1 5 n 2 43 59 119 2 4 42 on t o1 130 5 85 85 aS co 9 Sea 448 86 86 26 m Zo 00 87 87 87 87 K Buttons land 2 10 10 10 11 11 11 IM007 3 B 8 4 31 o7 o 1 Gearbox Pressure Sensor 8 40 20 o 17 Horn Button Parking Brake Switch 13 Ah Lold p Brake Air Pressure Sensor M d ue P T 18 X 5 9898 S S NM sasss alesse eu 5 4 N3 6 123456789 10 11 12 13 M cNi 1 1 CNS 123 4 5 6 7 8 9 10 11 12 13 M 12345678 90n0N BM 0 Rear Headlight Hic Headlight License Teil Li ight Tail L g Reverse Buzz 12345678 9 0111 Horn Group e 6X o D OO OO m S2 s aux emn lt r wo S 29 S S N16 N17 N23 CN18 CN19 N21 mS Se S 5 Engine Vater Temperature Sensor d 600000 660060 14 x 123 123 12 1334 54 12345 6 12 Vi 00 123 123 12 123 45 6 123 4 5 6 12 Torque Converter 011 Temperature Sensor CN15 9 000000 90009000 o 0 15 NE 5 5 ds ed elus el ss N12 4 1 19 4 l Proximity Switch Start Chain Pl 902119 Blue 34 1 1 19H Lo 3 13 oH 60 0 DI Right Lamp Group CN14 2 2 6 6 94 Black
42. All the levers or handles should be in the middle position Stop the engine lock all the equipment using keys and then remove No one is allowed to stay in the operator cab Never lift the machine using steel wire connecting the two hooks on the front frame It is allowed to lift the machine using 4 steel wires of the same length no shorter than 7m 6 99 Keep the machine horizontal during lifting 42 Operation amp Maintenance Manual LG918 Wheel Loader Prevent damage to hood operator cab and hydraulic pipes No person or car is allowed to pass under the machine during lifting Draw back the lock bar to turn the machine after lifting Connect the turning equipment using the lock bar after lifting onto the ship train wedge the tire and bind the machine tightly to prevent movement during transportation 43 Operation amp Maintenance Manual LG918 Wheel Loader CHAPTER II INTRODUCTION 1 GENERAL VIEW OF THE MACHINE amp COMPONENTS NAME Cab Engine Hood p Ns N ELI Scoop Cylinder y Bu Lift Arm Rock Arm FRONT REAR RIGHT Front Wheel Bucket Rear Wheel Figure 2 1 General view and components name of LG918 wheel loader 44 Operation amp Maintenance Manual LG918 Wheel Loader 2 GEOMETRICAL DIMENSIONS 4144 3199 mF nm wm Figure 2 2 Geometrical dimensions of LG918 wheel loader m
43. BEWARE Overhead wires underground service equipment 17 Wearing seat belt warning 18 Warning to avoid noise Located on the inner left back upright Located on the inner left back column of the operator cab upright column of the operator cab Ay WARNING Ay WARNING Implements may seatbelts Increase noise must be level Hear ing worn protection must be worn gt lt a Operation amp Maintenance Manual LG918 Wheel Loader 19 No passenger warning Located on the inner left back upright column of the operator cab 20 Check before starting Located on the inner left back upright column of the operator cab HE WARNING IT I THE RESPONSIBILITY DRIVER ONLY strictly NO passengers THE OPERATOR 0 CHECK AIR PRESSURE CHECK OIL LEVELS DAILY GREASE DAILY CHECK FUEL DAILY J CHECK WATER LEVELS 4 21 ROPS amp FOPS used anti roll cab Located on the inner right back upright column of the operator cab D a j Fk eer FR ROPS amp FOPS for Wheel loader 10918 Standards EN 13510 2000 13627 2000 Certificate i NAS 10732 CHA 2006002012K Maximum machine mass 7000kg Address Lingong Industry Park Linyi Economic D Development Zone Shandong P China 23 Prevent rollino Located on the inner right front upright
44. D RULESOFMAINTENANC E Qnare RR Read QR ara ON s E 91 SCONTENT OE MAINTENANCE 977 CHAPTER V THE STRUCTURE AND PRICIPLE OF MAIN COMPONENTS AND SYSTEM 101 do 4 ER Cn SYSTEM rrt 101 2 HYDRAULIC SYSTEM c a 101 J BRAKE SYSTEM x2 dtu pner amus R 103 Jd EDECTISIG SY S Miss etti eph ode 104 Operation amp Maintenance Manual LG918 Wheel Loader PREFACE Thank you for purchasing the wheel loader produced by Shandong Lingong This manual is a guideline for users to operate and maintain this machine properly Keep this manual within easy access and have all relevant people read it before use If this manual is lost damaged or cannot be read contact our company or our dealers If you sell the machine be sure to give this manual to the new owners Parameters figures and information included in this manual apply only to basic loaders For those derivative products please consult us or refer to the relative manuals When selecting working equipment please follow the user manual of the working equipment to assemble and disassemble replace and use In addition please read carefully the attached technical user manual for the diesel engine and other functioning parts about operation use and maintenance We are continually striving to improve the quality of our products to produce more adv
45. Gear I Reverse Gear I Working Device Control Lever or Handle 1 Working device control lever Bucket Control Lever Refer to 1 1 General View of Controls and Gauges Figure 3 1 in this chapter This lever controls the bucket which has three positions lt Rear Tilt is used for drawing in the bucket lt Neutral is used for keeping the bucket in the desired position lt Forward Tilt is used for dumping Lift Arm Control Lever Refer to 1 1 General View of Controls and Gauges Figure 3 1 in this chapter This lever controls the lift arm which has four positions 58 Operation amp Maintenance Manual LG918 Wheel Loader lt Lift is used for lifting sl dah ae Lower Neutral Lift position Float lt Neutral is used for maintaining the Y bucket in the desired position lt gt Lower is used for lowering lt Float is used for moving freely under applied force Position of Bucket Position of Lift Arm Control Lever Control Lever 2 Working device control handle Refer to 1 1 General View of Controls and Gauges Figure 3 2 in this chapter This handle controls the bucket and lift There are four gears to control the lift neutral lower and float of the lift arm pro and post and there are three gears to control the forward tilt neutral and rear tilt of the bucket from left to right Two buttons of handle is used for linking or shifting off attachments Quick change Equipment Control if asse
46. L final Ambient temperature gt 5 L HM46 hydraulic oil GB11118 1 Hydraulic oil hydraulic oil 46 Ambient temperature gt 4 C Ambient temperature gt 5 C Ambient temperature gt 14 C Ambient temperature gt 29 C Ambient temperature gt 10 L HM32 hydraulic oil GB11118 1 Ambient temperature gt 30 L HV46 hydraulic oil GB11118 1 CALTEX superfine wind ring of temperature anti PTT adi O light diesel Oil GB252 10 light diesel Oil GB252 20 light diesel Oil GB252 35 light diesel Oil GB252 Hydraulic oil tank Domestic Type Hydraulic oil tank Export Type Brake fluid Motor vehicle brake fluid HZY3 DOT3 GB12981 Brake oil cup 2 or 3 lithium based grease GB7324 Pins in every joint points of the work equipment 2 2 2 Reference Table of Foreign and Domestic Oils Engine oil Diesel Machine Oil Excelled CD and CD 15W 40 GB11122 Caltex Gold Diesel Machine Oil Excelled CD and CD 5W 30 GB11122 1S W 40 Hydraulic oil Chinese Brands Hydraulic oil L HM46 5 C 40 C GB11118 1 CALTEX RANDO HDZ46 25 C 40 C Hydraulic Oil L HV46 30 C 40 C GB11118 1 1994 Multigrade Similar Oil Brands classified by SAE standard Oil Brands CALTEX SHELL MOBIL ESSO RotellaSX 40 Rotella TX 40 20w 40 Delo Rotella DX 40 Rotella TX30 Rotella DX30 Rotella SX30 10w 30 HEIBAWANG1300 SAE15W 40 15 C 50 C Essolube XT 3 Essolube XT 2 HEIBAWANG1
47. The machine weight or 23 Operation amp Maintenance Manual LG918 Wheel Loader vibration may cause the ground to collapse and result in the machine turning over Assemble anti fall and anti turn operator cab when working in an area where there is danger of falling stone and machine turnover Continual rainy weather earthquake and explosions can cause dangerous working conditions Operate carefully in these cases Drive at a low speed prevent starting braking or turning suddenly and use the tire chain on a snowy road Brake alternately Lower the bucket to touch the ground to brake if necessary The load should be decreased to prevent slippage when driving on snowy ground because the adhesive force may change greatly in the piled snow The road shoulder and other road conditions can not be seen under the snow so take care with the snow shovel 5 8 Driving safely on the Ramp Turnover or slippage may occur when driving on an abrupt hill dyke or ramp The bucket should be 200 300mm above the ground when driving on an abrupt hill dyke or ramp Lower the bucket and touch the ground to help brake or prevent turn over in emergency conditions Do not turn on the ramp Do not drive across the ramp or change direction which may turn over the machine until on the level place Never turn on the ramp until on the level ground Slow down and use a small turning angle when working on an abrupt hill dyke or ramp Go up and down
48. ain the desired temperature until the indicator lamp 1 turns off and the compressor stops working Now the setting temperature is the temperature in the cab When the inside temperature is higher than the setting temperature the indicator lamp 1 lightens and the compressor will begin to refrigerate when the inside temperature is lower than the setting temperature the indicator lamp 1 turns off and the compressor stops working b Heating lt Before using turn the temperature control switch to the O position the state of off Open the hot water valve and start engine Open the air volume and power switch 2 to choose the position of gear and adjust to the desired air volume 1 2 9 2 IL control panel and is operation if assembled The Appearance of Panel E efrigeratione 1 Air Volume and Power Switch 2 The Switch to Control the Temperature 3 Refrigeration Indicator Lamp 4 Power Indicator Lamp Operating methods a Refrigeration First time use turn the air volume and power switch to high gear after the engine started turn the temperature control switch to refrigeration Turn the air volume to obtain low middle 63 Operation amp Maintenance Manual LG918 Wheel Loader b c Notice lt gt lt gt and high volume of air Heating Turn the temperature control switch to the state of off open the hot water valve the air volume and power switch warm air blow constantly Turn th
49. anced and a safer engineering machine We reserve the right at our sole discretion to change or modify our design but we do not promise to apply the changes to products that are sold We also reserve the right to change the data and machine and the right to maintain it The design operation and user information in this document is subject to change without notice Customer feedback is very welcomed If you would like to comment on any aspect of this manual or our products in general please feel free to contact us Please give us feed back about the shortcomings immediately upon using our products so that we can continue to improve our products to satisfy your requirements All rights are reserved The contents of this publication may not be reproduced in any form or communicated to a third party without prior written permission of Shandong Lingong Construction Machinery Co Ltd Operation amp Maintenance Manual LG918 Wheel Loader WARNING The wrong operation maintenance and repair could result in injury or death An operator should read this manual carefully before operation or maintenance Never attempt to operate maintain or repair the machine before reading and understanding this manual The operation specifications and precautions given in the manual only apply to intended uses of the machine If the machine 1s used for any unintended purpose that is not specifically prohibited ensure the safety of yourself and others be
50. and aft handle and move the seat forward or backward to the desired position it will lock automatically after pushing it down e Height Adjustment Rotate the two knobs on both sides of the seat Move the seat up and down to the desired position Turn the knob in reverse to lock the seat Weight Adjustment T m mE Fore to aft Adjust Knob Height Adjust Knob The weight adjusting knob is in the middle of the back rest The operator can rotate the knob to increase or decrease shock absorption 1 2 10 Rearview Mirror Rearview mirrors are on the left and right sides outside the cab Before starting work the rearview mirror must angle be adjusted for a good rear 1 2 11 Fire annihilator The prepared mounting hole of bracket about fire annihilator located on the frame on the right of the operator seat please fix the fire annihilator of meet national law and the place request Each dealer of our company has reserved the fire annihilator and its bracket to choose 2 RUN IN PERIOD OF NEW MACHINE A new machine must have a run in period first to increase the load step by step from free rotating so that each part of the machine can be have full run in period for increasing the life of the machine It needs 60 hours to train the new machine and operate follows Run the machine in neutral at low speed to preheat the engine Never accelerate the engine suddenly in the preheating period Never start accelerate
51. and differential carriers may be damaged and the machine may be unbalanced Confirm the ambient conditions and the operation before driving to load and unload materials Check the status of the working area before entering a narrow passageway such as tunnel overbridge and garage Take care with the working devices during operation Operate down wind in strong windy weather Be careful when the lift arm reaches the upper limit Loading in the upper limit position may cause destabilization of loader So the driving speed should be slow and the bucket should tilt forward slowly When unloading to the truck or tipper make sure the 26 Operation amp Maintenance Manual LG918 Wheel Loader bucket does not hit the truck or tipper Do not allow anyone to stand under the bucket or to let the bucket go over the cab of the truck When driving backwards ensure visibility of what is behind you Install lighting systems during dark conditions And stop work when there is smoke fog sand or dust which affects visibility When working at night please make sure Proper lighting system is installed Fuction light works normally To carefully estimate the height and distance of objectives Keep alert and stop the engine and examine the environment and the machine frequently Make sure that every bridge is strong enough to let the machine pass Don t use the machine for any wor
52. and pedals and if there is oil lubricant or dirt clean them first to prevent slippage Repair the broken items and fasten the loose nuts Never jump on or off the machine Never get on or off a moving machine When getting on or off the machine face the machine and use the handrails and pedals to ensure that you can support yourself Keep at least three point contact two hands one foot or two feet one hand with the handrails and pedals to ensure body stability Never hold any control levers when getting on or off the machine Never get into the operator cab from the ladder at the back of machine or get off from the wheel at the side of operator cab Never hold any tools or other items when climbing up and down the loader lift the tools needed to the operation flat roof by rope 3 4 Fire Prevention The following fluids are flammable and must be kept away from high heat and fire engine lubricant for loader engine hydraulic oil for hydraulic system hydraulic pressure shafting oil and gear oil for transmission system brake fluid and antifreeze fluid for heat elimination system Observe the following Keep fire away from flammable fluids Add refueling and lubricating oil in well ventilated areas Stop the engine and no smoking while refueling Tighten all fuel and oil tank caps firmly Put the above flammable liquids in containers with relevant tags and put in a separate proper place for storage Do not a
53. and the upper limit Then put back the oil dipstick and close the profile door of the engine For choosing the appropriate oil please refer to CHAPTER IV 2 2 Oil Selection 2 Engine Oil Replacement zi Engine Oil Park the machine on level ground and put the transmission meee nlet Port 78 Operation amp Maintenance Manual LG918 Wheel Loader lever in neutral N position Pull the parking brake switch and put the blocks in the front and back of the tires Start the engine and run at idle status until the oil temperature reaches 20 C 40 C then stop the engine Rotate the oil drain plug and let the oil flow out and hold it in a container Change the oil filter After the oil 1s released completely rotate the oil drain plug back Open the left side door of the engine cover add prescribed engine oil about 12L from oil inlet of engine Run the engine at idle status check whether the oil filter and oil releasing plug are leaky After the engine was stopped for 15 minutes let the Tu IET engine oil flow back to the oil pan and check the Oil Draining engine oil level of the engine again P 1 ug of t he Engine 3 Engine oil Filter Replacement Disassemble Clean the area near the engine oil filter Disassemble it with filter elements spanner Assemble Refer to the explanation on the filter for fitting method N NOTICE After changing the filter elements the engine must run in the idl
54. as started immediately pull out the key or it will return to ON position automatically Turning Switch Push this switch forward and the left turning lamp lights Push this switch backward and the right turning lamp lights Refer to 1 1 Control System and the Gauge Figure 3 1 in this chapter Switch Group if assembled Refer to 1 1 Control System and the Gauge Figure 3 2 in this chapter The switch controls lighting high and low beam and steering light Lighting When the starting switch is in the ON position the high beam of front headlight is lightened if the switch group turns to OFF and put it up the head lamp tail light and back light is lightened if the switch group turns to the position of 20 gt or ED Control of high and low light When the starting switch is in the ON position the low beam of front headlight is lightened if the switch group turns to the position of D The high beam of front headlight is lightened when the switch is put down Control of turning lamp The left turning lamp is lightened when the switch is put forward and the right turning lamp is 55 Operation amp Maintenance Manual LG918 Wheel Loader lightened when the switch is put backward Notice The turn indicator lamp 1s lightened when operate the switch After the operation of turning finished please put back the switch by your hand Rocker switch The rocker switch is on left front side of the cab top or
55. below 0 C drain the coolant except the one added with antifreeze Please refer to 3 5 3 Operation in Cold Weather in this chapter Lower the bucket to the ground and set all control levers or handles to the Neutral position Press the parking brake switch and lock the cab door 3 7 2 During Storage Open doors and windows to ensure ventilation and exhaust to allow of poisonous gas if the antirust is used in the building Start the machine once a month so that lubricant can be coated over the surface of the movable parts 84 Operation amp Maintenance Manual LG918 Wheel Loader and other components surfaces The battery in storage can be charged at the same time Wipe off the grease which has coated the hydraulic cylinder rods before work and operation 3 7 3 After Storage Do as follows after long term storage of machine Wipe off the grease coated on the hydraulic cylinder rods Add oil and grease to all the requisite positions 3 8 General Problems Possible Cause Remedies 3 8 1 Electrical Svstem Faulty cable contact problem or open circuit Improper adjustment Lamp flickers when the engine is of fan belt tension running Lamp is not bright when the engine runs at high speed Faulty alternator Faulty cable Improper adjustment A meter does not work when of belt tension engine is running Faulty cable Do not start when starting switch is 2 Insufficient battery turned on charge
56. ced Raise the lift arm to prevent the bucket from inserting too deeply while thrusting the bucket into the material The tires will bring ample traction by raising the lift arm If enough material is loaded into the bucket operate the rr d HOUSE working equipment control lever to take back the bucket in order to load it fully 73 Operation amp Maintenance Manual LG918 Wheel Loader Remark If the shovel edge moves up and down when thrusting material into the bucket or when digging the front tires will leave the ground and slip e If there is too much material loaded into the bucket the bucket must be dumped and titled quickly to remove the excessive load so as to prevent the material from dispersing during transportation B Digging and Shoveling Material on Flat Ground Lightly set the bucket edge leaning on the ground see picture when digging and shoveling material on flat ground Be careful not to fasten the load to one side which will cause unbalance This operation should be carried out carefully in gear Lightly set the bucket edge facing down When driving the machine forward operate the working equipment control lever to let the lift arm lower down to the proper position so that it can pick up a thin layer of the surface each time when excavating the soil When driving the machine forward shift the working equipment control lever backward and forward slightly to re
57. column of the operator cab IN CASE OF lip S X TIP OVER N Shandong Lingong Construction Machinery Co Ltd BL 10 REPORT ANY FAULTS M M E 22 Notice of required reading manual Located on the left front upright column of operator cab 7 Operation amp Maintenance Manual LG918 Wheel Loader 2 SAFETY RULES 2 1 Safety Rules Only trained and authorized people can be permitted to operate and maintain the machine Follow all safety rules precautions and instructions when the machine is in operation or being maintained Never operate machine when you are less than fully alert Don t operate machine if you feel sick or feel sleepy after taking drugs or drinking alcohol when your judgment may be impaised When working with another operator or with a person on worksite traffic duty be sure that all people understand all hand signals that are to be used Follow all the safety rules 2 2 Safety Devices Be sure all guards and covers are in their proper positions and repair them when damaged Use the safety devices properly such as parking brake switch and safety belt 1f assembled Never remove any safety devices Always keep them in good operating condition Improper use of safety devices could result in serious body injury are even death In the circumstance with the risk of hurt caused by falling object
58. d In addition do the extra maintenance in the first 1000 hours as follows Check if there is leakage in the hydraulic system Check and clean the air vent of hydraulic reservoir Clean the hydraulic reservoir Replace the hydraulic oil Then maintenance once every 2000 hours 99 Operation amp Maintenance Manual LG918 Wheel Loader 3 7 Every 2000 Hours Year Service Carry out the periodic maintenance of every 10 50 100 250 500 and 1000 hours with this maintenance operation at the same time Check performance of the torque converter and gearbox differentials of front and rear axles and the wheel side reducers Disassemble them for checking if necessary Check the sealing performance of multi passage valve and hydraulic tank by measuring the natural sedimentation volume of the cylinders fuel oil and then check the system pressure Check the welded seams of rim and other stress parts and adjust the deformation 3 8 The maintenance principles listed above are the normal requirements The maintenance time should be determined by the closer one between the two the maintenance schedules If the working condition 1s very severe please shorten the maintenance cycle and increase the maintenance times according to the real conditions 3 9 Replace the air storage tank after 3 years of service 100 Operation amp Maintenance Manual LG918 Wheel Loader CHAPTER V THE STRUCTURE AND PRICIPLE OF MAIN COMPONENTS
59. d so that the working strength of the operator can be reduced The full hydraulic steering system with load sense and steering priority is portable and flexible and perform reliably Hydraulic pump employs proprietary technology coefficient of pressure reserve with long life the hydraulic component employs a domestic famous brand is reliable and the lifetime of the pipe system is high The articulated frame has a small turning radius and the ability of passing level is high The low profile skew intersection tire has strong ability for crossing and climbing and can drive and work on the bad ground conditions 8 TECHNICAL PERFORMANCE amp PARAMETER 8 1 Performance of whole machine Standard lift arm Long lift arm Bucket capacity 1 0 m 1 0 m Rated loading capacity 1800 kg 1600 kg Lifting time full load lt 4 8 s lt 4 8 s Lowering time empty bucket lt 3 2 s lt 3 2 s Dumping time empty bucket lt 1 1s lt 1 1s Travel speed Forward 1 0 10 km h 0 10 km h 2m 0 26 5 km h 0 26 5 km h Reverse 48 Operation amp Maintenance Manual LG918 Wheel Loader 1 0 9 6 km h 0 9 6 km h 0 25 km h 0 25 km h Max breakout force 258 kN 256 kN Max traction force supplied by engine 256 kN 256 kN Max tipping load 2 36 kN 2 30 kN Max climbing angle 30 30 Min turning radius outside of rear wheel 4546 mm 4546 mm Level passing radius outside of bucket 5082 mm 5150 mm Max turning angle 35 35 Tire charge pressure
60. d is clean when working on the top of the machine Follow the rules below N NOTICE Do not allow lubricant or grease to leak Do not randomly put the tools around the work place Walk slowly and carefully Never jump down from the machine When climbing up and down the machine face the machine and keep three points contact two hands one foot or two feet one hand with the handrails and pedals to ensure safety Use protective equipment if necessary Never stand on the top of the engine hood because it 1s slippery and dangerous Never stand on the top of tires because they are slippery and dangerous stand on the mudguard of the front frame and seize the handrail to clean the front glass of the operator cab 8 6 Maintenance While the Engine is Working Routine maintenance of the machine should never be done while the engine is working When it is necessary please follow the rules below Assign an operator to sit on the seat to ensure all the maintenance people can have contact with him so he can prepare to shut the engine when requested Never touch a high temperature part such as tail pipe and silencer to prevent injury 33 Operation amp Maintenance Manual LG918 Wheel Loader Be careful if the repair space 1s near the rotation part Do not touch any lever or handle If necessary to touch it warn the others to go to a safe place Never let any tool or body part touch the fan leaf or fan be
61. d its reserves and fasten the connect poles Check the oil level of the gearbox Please refer to 3 6 3 Adding Oil to Gearbox in this chapter Check the seal of the hydraulic system and braking system Check the connection and sensitivity of all control levers Check the temperature and the connections of the circuit system the power supply of electrical machine gauge light and lamps and turning signals Open the air storage tank to drain water The following maintenance should be done after the run in period of new machine Clean the filter at the bottom of the gearbox and the oil filter cartridge of the torque converter Check the oil returning filter cartridge of the hydraulic oil tank Change the engine oil Please refer to 3 6 1 Fuel Supplying of Engine in this chapter 3 OPERATION AND USE OF LOADER 3 1 Notices for Usage The diesel must be cleaned and deposited more than 72 hours before it is to be used The trademark should suit the rules Transmission oil for the gearbox torque converter and the hydraulic oil for hydraulic system must be clean The loader must be maintained and lubricated periodically 66 Operation amp Maintenance Manual LG918 Wheel Loader Drive the loader until the brake pressure reaches 0 4MPa after the engine starts Put some hot water or vapor in front of the engine for preheating it Preheat the engine until 30 C 40 C before starting if the environmental temperature is lower than 5
62. d life of tires Stand the tire on level ground and use a wedge to lock it to prevent it falling down The quality may be reduced if the tire is laid on its side The tire should be rotated 90 once per month at least Please stand aside if a tire starts to fall down Never try to hold a tire since the tires for engineering mechanisms are generally very heavy and you may be seriously hurt 8 20 Waste Materials Do as follows to prevent pollution Never dump waste oil under ground or into the river Contain the oil vented from the machine in a container never dump the oil directly onto the ground Obey the relative rules and laws when dealing with harmful materials such as grease fuel coolant solvent filter and storage battery 9 SAFETY TRANSPORTATION 9 1 Assemble and Disassemble the Machine Keep the engine speed low during loading and unloading the machine Load and unload machine on level ground and remain at a safe distance off the road Secure the tires well during loading and unloading the machine to make sure it will not move Put a cushion under the gangway Slope boards should be strong enough with sufficient length and width to form a safe slope The angle with the ground should not be larger than 15 Keep a safe distance between slope board and board board and machine Make sure the height of the two sides of the board 1s uniform to ensure firm orientation Keep the board surface clean free of lubricant o
63. ded position The faster the steering wheel turns the faster the machine turns The steering wheel will not automatically come back after turning the turning angle of the machine will be kept After finishing turning the machine turn the steering wheel in the reverse direction to keep the machine moving in a straight direction 57 Operation amp Maintenance Manual LG918 Wheel Loader 1 2 4 Control Levers and Pedals e Shifting Control Lever Refer to 1 1 Control System and the Gauge Fig 3 1 in this chapter This lever controls the direction and traveling speed of the machine The gear box of this machine has four gears Fore and aft High low Gear Control Speed Control with two forward and two reverse gears i The speed shifting control lever includes High Speed Forward Gear re Gear high low speed control lever and the Limo f fore and aft gear control lever The high low Neutral Gear TH T LIE DDH speed control lever includes high speed neutral ee Reverse Gear A 1 apee and low speed The fore and aft gear control a lever includes forward gear neutral and reverse gear With the combination of the two control levers the vehicle will get two front and two rear for a total of four gear levers The working condition of each lever is shown as following High low speed Fore and aft gear control lever control lever Lowspeed Forward Gear High speed Forward
64. duce the resistance Keep the two sides of the bucket cutting into the material equally to prevent only a single side working Face the loader forward and never let an angle exist between the front and rear frame 3 Conveying Operation Without Truck The loader must be used without a truck under the following conditions The ground is too soft and not level and the truck can not be used When the transportation distance is within 500 meters it is not economical to use a truck 74 Operation amp Maintenance Manual LG918 Wheel Loader The transportation driving speed is determined by the road condition In order to get good visibility and stability the bucket should be turned to its upper limit location bucket lift arm touch the upper limited block and keep the lower pin connection point of lift arm at the transportation position 400 500mm above the ground 4 Dumping Operation When dumping material on to trucks or into freight yards raise the lift arm to the position forward tilt to the maximum position where the bucket does not touch the carriage or material pole And operate working equipment control lever to tilt the bucket forward to dump Part or all of the material can be dumped by the lever control Act slowly and gently during dumping to prevent the bucket from striking the ground If the material sticks onto the bucket move the working equipment control lever cyclically t
65. during long term storage Use the oil with the longest shell life 2 1 5 Filters Filters are extremely important safety components They can prevent impurities in the fuel from entering important equipment and causing problems Replace all filters periodically For the maintenance cycle refer to 3 CONTENT OF MAINTENANCE 1n this chapter Replace filters at shorter intervals when the machine works in a severely bad environment Never try to clean paper filter elements and use them again Always replace them with a new one When replacing the oil filters check whether there are some metallic particles adhering to the old filter If some metal particles are found consult the maintenance people Never open the packs of new filters until they are used Always use authorized filter parts 2 2 Selection of Fuel Coolant and Lubricant 2 2 1 Selection Table of Fuel Coolant and Lubricant Please choose Shandong Lingong s preferred special oils and choose specified oils from the following table p Recommended Types And Standards Using places Ambient temperature gt 15 CD 15W 40 Diesel Oil GB11122 Sous enone Ambient temperature lt 15 CD 5W 30 Diesel Oil GB11122 5 Engine oil 13L 6 transmit oil Q SH303 064 IAL Transmit oil Torque converter and gearbox 8 transmit oil Q SH303 064 IAL 93 Operation amp Maintenance Manual LG918 Wheel Loader Heavy duty gear oil for automobile GL 5 85W 90 13895 5x9 6
66. e ground Stop the machine on the level ground where there 15 no danger of stone falling coasting or flooding If it is necessary to stop the machine on a slope wedge the wheels to prevent movement After stopping let the cooling water out The temperature is below 0 if antifreeze is not added Please refer to 3 5 3 Operation in Cold Weather in this chapter 3 4 2 Steps to Stop Engine Let the engine run freely for 5 minutes to cool all the parts equally Pull the flameout control soft shaft 1f assembled Turn the key to OFF position And draw it out and keep in a safe place Never pull the flameout control soft shaft before the engine Is cooled 7 Operation amp Maintenance Manual LG918 Wheel Loader 3 4 3 Leaving Machine Use the ladder and handle to climb down facing the machine Never jump down Check whether there are particle likes materials on the engine If so clean them immediately to prevent fire Clean all the flammable materials around the machine to prevent fire Lock the door and window and draw the key 3 4 4 Do the Followings after Work Everyday Check the fuel reserves Check the oil level of the engine oil pan and its cleanness If the oil level 1s too high or diluted find the reasons and solve them Check the oil pipes water pipe gas pipe and other parts for leaking conditions Check the gearbox torque converter steering unit fi
67. e status at least 1 minute to ensure the engine is lubricated sufficiently before working Over tight mechanical rotation could damage the screw thread or filter element sealing 3 6 2 Adding Fuel to oo Fuel Level Check Olladdngpot 9 EE lock DEI Adding e X Park the machine on Port of Oil level ground and check the fuel level by dipstick on the outside Operation amp Maintenance Manual LG918 Wheel Loader of fuel tank If the fuel level 1s under 0 please add fuel from inlet on the fuel tank For fuel selection please refer to CHAPTER IV 2 2 Selection of Oil Fuel and Coolant 3 6 3 Adding Oil to Gearbox D Oil Level Check Park the machine on level ground and put the transmission lever in the neutral N position Pull the parking brake switch and wedge the front tire Start engine and let the engine run in the idle status for 5 minutes Loosen the oil checking plug to check the oil level The oil level should not be lower the oil checking plug If the oil level is lower than the oil checking plug hydraulic transmission oil should be added The choice of the hydraulic transmission oil can be found in CHAPTER IV 2 2 Selection of Oil Fuel and Coolant 2 New Oil Replacement Park the machine on level ground and put the transmission lever in the neutral N position Push the parking brake switch and wedge the front tire The gear box is at the working temp
68. e air volume and power switch to obtain low middle and high volume of air Power indicator lamp If the system is normal the power indicator lamp will come on If the refrigeration indicator lamp comes on the compressor starts working for the refrigeration of air conditioning Avoid the temperature control switch 3 is always in the coolest position and the air volume and power switch 2 is in the fan low gear L position in order to prevent the evaporator from frosting Avoid the sun shining directly in summer Please shut the door and window of cab when using the air conditioning shut the heat source valve when using for refrigeration shut the temperature control switch for refrigeration when using for heating in winner Clean the condenser periodically using compress air and cold water but not using hot water or steam Run the compressor once a week when the refrigeration isn t used in winner for 1min to maintain the air conditioning in normal state 1 2 10 Adjustment of Cab s Seat WARNING When adjusting the cab s seat park the machine in a safe place and stop the engine Adjust the cab s seat before starting operation or replacing the operator Make sure that you can depress the brake pedal completely when your back is against the seat backrest 64 Operation amp Maintenance Manual LG918 Wheel Loader Fore and Aft Adjustment This handle is on the left bottom side of the seat Pull the fore
69. e operator s shoes Be sure no part of your body can touch the metal bottom Assign a signal warner who can give a warning when the machine gets too close to electric cables Never leave the operator cab never move and do not touch any part of the machine until the people who are on the ground cut off the electricity once the machine touches the wire When operating near high voltage cables make sure other persons are far from the machine 7 SAFETY PARKING 7 1 Pay Attention to the Safety of Yourself and Others Park the machine on level ground The working equipment should be put on the ground Never park on a ramp If parking on a ramp is necessary the ramp angle should be less than 20 and put the wedge under the wheels to prevent moving Then put the bucket down to the ground If the machine is disabled or must park in a high traffic area lay bars signals flags and warning lights Make sure the other cars can see it clearly Do not block traffic When parking the machine unload all the material on the machine lower the bucket to the ground stop the engine pull the parking brake switch and put it in the braking position Lock the engine and put away the keys Climb down with face to the machine slowly according to the 3 points method Never jump down to the ground WARNING NEVER get on or off the machine while it is moving 7 2 Notice for Cold Area Clear the water snow or dust attached to wire
70. e parking brake handle to set the loader in the parking brake state Put blocks in the front and back of wheels o Lock the front and rear frames with frame locking bars 1 2 Hanging Warning Tag Attach the warning tag near the starting switch before maintenance to prevent someone starting the engine during maintenance 1 3 Fitting preparation Use only parts specified by the manufacturer of the loaders wheel 1 4 Oil and Fuel preparation Use oil and fuel specified in this manual according to ambient temperature 1 5 Using the Prescriptive Oil and Fuel Keep containers of oil and fuel clean and use specified oil and fuel 1 6 Keep the Machine Clean Always keep the machine clean Keep grease fittings pipe joints and oil level gauges clean and prevent foreign materials entering 1 7 Pay Attention to the Refrigerant Water and Oil in High Temperature It is very dangerous to drain hot oil and refrigerant water or remove the filters immediately after the engine stops Make sure the engine 1s cool The temperature of the oil drained 1s appropriately about 20 C to 40 C If it is lower than this temperature be sure to warm it up to this temperature before draining it 1 8 Check the Oil and Filters After the oil is changed or filters are replaced check the oil and filters If large amounts of metallic particles or impurities are found consult the maintenance people 1 9 Fuel Strainer Do not remove the fuel strainer while fuel
71. e position between material and the loader This method costs the minimum time and can reduce the cycle time most effectively e Shape Load The auto unload truck is fixed and forms almost a 60 angle with the backward direction of the loader After digging the loader moves backward and turns the designated degree and moves forward to the truck The smaller the loader work angle is the more efficient the work 15 2 Digging Operation B Digging Piled Soil or Blasted Rock When digging piled soil or blasted rock the loader should face the material and do as follows If the bucket must be lowered while driving the machine forward stop the machine when the bucket is about 30cm above from the ground and then lower it slowly If the bucket hits the ground the front tires will leave the ground and the tires will slip The operator must slow the speed immediately when the CN machine reaches the material pile Simultaneously step on y the accelerator pedal and enter the material pile with the det CS Ps D bucket TETI oe ete Keep the bucket horizontal when loading the stockpile Stacking Rock but keep the dumping angle down when loading the j blasted rock Notice Do not let the blasted rock go under the bucket which will make the front tires leave from the ground and slip Try to hold the load in the center of the bucket otherwise if the load is on one side of the bucket 1t will be unbalan
72. e should keep the engine running to ensure braking and turning 1s possible Ifthe towed machine engine can not start disassemble the front and rear transmission axle If the machine can not turn disassemble the steering cylinder The connection hole of the rear frame at the inner side of the rear wheel can only be used for lifting and binding but not for towing If there is no braking system for the towed machine never use soft towing but use fixed towing or use towing bar Connect the towing bar to the towing pin at the back of the loader If there is no braking system on the towed machine no one is allowed to stay on it Check whether the towing rope and towing pin are strong enough to suffer the weight of the towed machine If machine will pass over clay ground or go up a slope two towing ropes and towing pins should suffer at least 1 5 times the weight of the towed machine Try to decrease the towing angle of the towing rope to ensure that the angle between the towing rope and the towed machine is within 30 The height of the towing points of the two machines should be close The connection between the towing equipment and the machine should be strong The weight of the towing machine should be heavier than the towed one and have enough traction power and braking power to be able to pull or brake two vehicles going up and down a slope When towing the machine down a slope the machine should have suffic
73. ead to over heating and tire explosion Stand at the back of the tire and stand as far as possible away from the tire when adjusting the pressure of the tire Check the tire and rim every day for cracks or bubbles Never operate in a low pressure condition Check that the bolt and nut of the rim are in place Check whether the torque of the nut satisfies the suggested value of the factory Never stand in the front or the rear of the rolling direction of the tire Check the tire from the side If disassembling one tire lock the other tires when welding near a tire which can cause explosion of the tire Only a trained person with a professional license can repair a tire and rim using specific tools and following the proper steps Use the uniform tire with the same standard and same flower pattern for replacement 8 19 2 Storage of Tires 15 the basic rule that tires should be stored in a warehouse No one can enter without permission Put a fence around and hang a wedge Enter sign if the tires are stored outside the warehouse 40 Operation amp Maintenance Manual LG918 Wheel Loader Store the tires in a dry and clean place Water can oxidize a tire and dirt and oil can erode a tire No light heat insulation or ventilation are needed for storage Cover the tires with a canvas plastic or other anti dust cloth The wrong storage method can greatly reduce the quality an
74. eep the machine under control Raise the lift arm Keep the bucket backwards and keep the motor running Put the gear control lever at forward I or backward I position Press the brake pedal press the parking brake level to release the brake status Release brake pedal and step on the accelerator 69 Operation amp Maintenance Manual LG918 Wheel Loader pedal slowly to drive the machine forward or backward 15 safe to drive only when the brake pressure is over the specific value of 0 45MPa e Never lift the bucket to the highest position while transporting material The lower hinge of the arm working equipment should be 400mm 500mm above the ground to ensure stable driving in the transporting process Never run at high speed if the machine goes on a slope or uneven ground Select the proper transmission gears when go down a slope and never change the gears during that time Never run over speed while driving on a slope and use the foot brake pedal to slow the speed if the double brake pedals are assembled the left one should not be used 3 3 2 Gearshift Changing between Forward and Backward Press the accelerator properly when shifting gear to avoid sharp speed increase tis best to change the running direction from forward to backward or from backward to forward after stopping the machine to get the best driver comfort and prolonging the life of the engine No need to stop a
75. eft side of operator cab door of front and rear frames or mouse of radiator of engine hood gt gt sn rai _ Coolant 25 has been added in the machine e Notice the coolant is glycol engine cooling liquor e Please act according to the circumstance and the illustration when reinfusing otherwise the effect will be reduced e Selection range is advised as below 25 is used with a temperature of 2 15C 35 15 used with a temperature of 2 25 4 is used with a temperature of 2 35C S A Operation amp Maintenance Manual LG918 Wheel Loader 7 Notice for Hydraulic oil tank Located on the hydraulic oil tank 8 Notice for the door of operator cab Located on outside of operator cab left door N NOTICE 1 TAKE CARE TO BE SQUEEZED 2 DOOR MUST BE FIZED WHEN DEIVING HYDRAULIC OIL TANK Recommanded Scale AMBIENT T HYDRAULIC OIL 0C 400 L HM 6 30C 400 L HV46 9 Notice for operation 10 Notice for driving Located on the inner right front Located on the inner left front glass glass the operator cab of the operator cab NOTICE e Driver musthaveformal driving license and uses and maintains the machine according to the user manuale Inspect and prepare everything before starting maching Look around to be sure whether there is any person or barrier e The temperature of engine water should be above 55 C oil temp
76. entions for using the storage battery 1 3 If the temperature goes down the capacity of the storage battery will go down too If the charging ratio of the storage battery 1s low the electrolytes may be frozen Please ensure the charging ratio is near 100 and try to preserve heat so that it 1s easy to start the next day If the storage battery is frozen never charge the battery or start the engine Refer to CHAPTER I 8 16 Maintenance of Storage Battery to disassemble the battery and put it into a hothouse or warm water NEVER let water enter the battery Warm it to 15 slowly otherwise an explosion may occur Please use an anti alpine storage battery in an anti alpine area Follow up after every working day In order to prevent the materials from freezing on the machine which may affect it working the next day please do as follows 1 Completely clean the silt and water on the machine to prevent silt water or snow entering the sealed parts which may freeze or break the sealed parts 2 Park the machine on the dry and hard ground If that 1s impossible park the machine on a 77 Operation amp Maintenance Manual LG918 Wheel Loader wooden board which can prevent the tires from freezing on the ground 3 The capacity of storage battery will obviously go down in cold weather So cover it or move the storage battery to a warm place and install it the next day When the temperature is below 0 C and there i
77. epare fire extinguishers for close environments and know where they are stored and how to use when working in this condition 6 4 Don t Get Close to Dangerous Environment 6 5 Don t Get Close to High Voltage Wire may result in even when close to a high voltage wire If the ejected gas from the silencer hits flammable material or the vent pipe is close to the flammable material fire may occur Be aware of the flammable materials such as lipin cotton papers dry grass chemicals and oily or oiled rags Do not touch the aerial electric wire Electroshock The distance between the loader and the electric wire should be At least 2m 6 5ft at low voltage condition At least 4m 13ft at 40KV high voltage condition electric wire is generally supported by fixed insulator At least 20ft at 40KV high voltage condition electric wire is generally supported by hanging insulator The vertical distance between loader and the overhead electric wire should be At least 2m 6 5ft at low voltage condition At least 4m 13 ft at high voltage condition 29 Operation amp Maintenance Manual LG918 Wheel Loader To prevent an accident please do as follows First ask the electricity company for the voltage Check the validity of action according to the relevent rules when the machine may touch the electric cables Wear rubber shoes and rubber gloves Lay a leather cushion over th
78. er bottom of the axle shell Start engine Rotate the parking brake switch gently until it rebounds Move the machine slowly with gentle acceleration to let the oil drain plug on the front axle move into the horizontal position and then shut the engine Put the transmission lever in the neutral position Pull the parking brake lever Add new gear oil from the oil drain port on the two wheels on the end sides of the front axle and the oil inlet port at the middle of the axle shell And then check the oil level again Tighten the oil drain plugs on the two wheels on the end sides of the front axle and the oil inlet plug at the middle of the axle shell Replace the rear axle gear oil according to the procedures above 3 6 5 Adding Oil to Hydraulic Oil Box 1 Oil Level Check Park the machine on level ground and lower the bucket to the ground Check whether there 1s an angle between front and rear frame Check the oil level indicator of the hydraulic oil box on the left side of the machine The oil level is normal if the level indicator scale is at a range of 8 2 If the oil level indicator is lower than scale 6 of the middle scale please add hydraulic oil Refer to CHAPTER IV 2 2 Selection of Oil Fuel and Coolant 82 Operation amp Maintenance Manual LG918 Wheel Loader 2 Oil Replacement While replacing oil if other maintenance needs to be done do so following the relevant rules and pay attention to safety Pay attention
79. erature Loosen the oil drain plug on the bottom right of the gearbox to drain the oil and contain it with container Notice Not only the oil in the gear box but also the oil in the radiator of the torque convertor should be drained out Adding Port of the Transmission Oil Transmission Oil If the temperature of the gearbox oil is relatively high please wear protective clothes and operate carefully to prevent injury 80 Operation amp Maintenance Manual LG918 Wheel Loader Drain all the oil out and clean the oil on the draining plug the sealing surface of the shell and the gearbox Fit it well Loosen the oil inlet cover on the right side of the gear box which is on the right joint Inject the new hydraulic transmission oil Start the engine and run in the idle status The oil level should be higher than the oil checking plug Move the gears through each position one time Check the oil level again and add oil if needed Ifthe old oil is dirty do not add new oil directly Disassemble the raw oil filter which is in profile and clean all the parts If there are any metal powders or fragments please contact the maintenance man Assemble the parts and add a little new hydraulic transmission oil Start engine and hold in the idle status for 3 5 minutes Release the oil in the oil pan and add new oil The filter must be changed each time the oil 1s changed Make sure that the pl
80. erature should be N NOTICE ever get on or off the machine during driving Sitting allowed only in cab Buckles or other working equipments should hold the material in balance never lean to one side too much ever run at high speed after loading Decrease the speed before steering Never turn or brake suddenly ever drive at high speed when it snows or above 45 C and air pressure should be above 0 45 otherwise the machine will not be able to run at speed or full load However the temperature of engine water should not be above 95 1 and oil temperature should not be above 120 C rains Never steer on slope attention to the gauges never drive close to fire Pull the parking brake handle and block the wheels with wedges Hever inspect or maintain while in operation 12 Notice for fuel oil tank Located on the fuel oil tank 11 Notice for high temperature Located on vent pipe of engine hood Warning High temperature Precaution FUEL TANK Recommanded Seale AMBIENT T DIESEL OIL AT St 20s 147 20 4 2901 35 When the oil plane is under the 0 line please refill fuel m tune or it can result in flameout when the machine is running on a rampway Operation amp Maintenance Manual LG918 Wheel Loader 13 Warning to touch the machine 14 Warning of safety distance Touch the machine only after all parts stop Located on the bot
81. ff if the low beam is used in the front head light or the front head light is off Computer working Indicator Lamp The ZF or 4WG180 gearbox is selected to install the indicator lamp will come on if the starting switch is on otherwise please stop to exclude the error Fuel Prefiltration Indicator Lamp The lamp will come on when the fuel preliminary filter 1s blocked Please clean it or replace Turn Indicator Lamp The lamp will come on if the steering switch is connected meanwhile the steering lamp will come on The left indicator lamp will come on if turn to left and the right indicator lamp will come on if turn to right 1 2 2 Switch Starting Switch 54 Operation amp Maintenance Manual LG918 Wheel Loader This switch locating on the steering column on the right low side of M steering wheel is used for starting or shutting down the electric system and the engine HEAT Position This position is used for the engine pre heating position of cold start system The domestic basic type is not mounted with pre heat system the user can select to install OFF Position Insert or remove the key in this position Turn the key to this position to cut off the electric power ON Position This position 1s used to turn on the electric system Keep the key in this position when the engine Is running START Position This is the engine start position Keep the key at this position during starting After the engine h
82. for oil grease snow or dirt and clean Check the level of coolant fuel and make sure the level of engine oil in the pan 1s normal Please refer to CHAPTER 3 6 Supply of Oils to check whether the air filter is blocked Adjust the operator s seat to the proper position for operation Please refer to CHAPTER III 1 2 10 Seat Adjustment to check whether the safety belt and the fixed equipment if assembled are broken The safety belt must be replaced with a new one every three years Check the gauges for damage and make sure the control lever or control handle is in the braking position Clean the dirt on the cab window and all the lamps to ensure better visibility Adjust the rear view mirror and keep the surface clean to ensure the best view from the operator s seat Replace with a new one if the mirror has been damaged Don t leave any tool or part around the operator s seat They may fall because of the vibration during moving and working which could break the control lever or control handle or switch or move the control lever or control handle which could start the working equipment and cause an accident 18 Operation amp Maintenance Manual LG918 Wheel Loader Check whether the floodlight and signal light is normal and repair if not Check whether the front and rear frames is unlocked Clean oil from the handrail and the pedal and the silt and sand from the shoes to avoid slippage which may affect the operat
83. fore using Any operation and actions which are in conflict with the description in this manual are prohibited Operation amp Maintenance Manual LG918 Wheel Loader SAFETY INFORMATION Operators should know and obey the safety criteria described in national and local laws If there is no such national or local criteria please follow the rules described in this manual Most accidents are caused by the failure to follow fundamental safety regulations for the operation and maintenance of machines To avoid accidents please read understand and follow all precautions and warnings in this manual about the machine before performing any operation or maintenance Safety precautions are specified in SAFETY of Chapter I Safety information described in this manual cannot include safety precautions for every circumstance that might involve a potential hazard in operation and maintenance Therefore if procedures or actions which are not recommended in this manual are used the safety of the operator and machine must be confirmed Otherwise consult us or the dealers The safety precautions for operation and maintenance in this manual only apply to those conditions specified by the machine If the uses of the machine are not specified in the manual users should assume full responsibility for their actions We will not bear any safety responsibility for the operators or machine In any case you should not engage in prohibited operations a
84. ged by flying hard particles such as pin and bearing when hit by a hammer Usetools and heavy materials carefully Prevent them falling down 8 10 Welding Repair Electric welding requires a special technique proper equipment and place No person is allowed to weld without a license Escaped gas and damaged electric wires are potential problems during welding Obey the following Switch off the electricity in the terminals for storage to prevent explosion 34 Operation amp Maintenance Manual LG918 Wheel Loader Clean the paint at the welding site to prevent the production of harmful gas Avoid welding on the hydraulic equipment or pipe or places nearby Flammable steam and sparks may be generated Cover the rubber wire or pressure pipe and use anti fire plate during welding because a spark may cause a sudden crack or shatter the insulating tape Be careful when welding near tires which may cause a thermal explosion Wear protective clothes during welding Keep the welding area ventilated Clean up the flammable materials and check the fire extinguisher Never do any modifications which may affect the performance safety and strength capability of the vehicle and the working equipment 8 11 Maintenance of Coolant System Severe burn may be caused if the cover of the oil tank and the radiator are opened after welding so pour water or oil on the cover of the oil tank immediately after finishing welding T
85. h sides of engine hood Located on both sides of engine UN 15 Notice of hot water Pay attention to the steam or hot water ejection Located on the cover of engine water tank Operation amp Maintenance Manual LG918 Wheel Loader C 17 18 19 2021 23 11 23 Ir r l M Tar fe pum S a i It Figure 1 2 Figure of safety label position Export Type Operation amp Maintenance Manual LG918 Wheel Loader 1 3 The Contents of Safety Label Export Type 1 Warning for starting 2 Start for lift Located above the start button Located on the lifting position of the front and rear frames After the vehicle stops the key should be in the mid 3 Limit position of lift arm 4 Danger of Lock the lift arm cylinder before it enter dangerous zone Located on both sides of actuating arm 5 Danger of serious actuating arm injury during steering Located on both sides of Located on the steering actuating arm position of front and rear frames DANGER CRUSH RISK KEEP CLEAR Do not stand under unsupported load Frame or Bucket i 6 Notice for the door of operator cab Located on right and left operator cab doors JAN WARNING Crush Zone 3 The door must be locked
86. he temperature and pressure of hydraulic oil fuel and water in the engine the oil and water in the radiator may be still very high after just finishing the work Wait for the temperature falling down and follow the procedures to do the operations above To avoid hot water ejecting from the radiator stop the engine let the hot water cool and open the cover slowly to release the pressure Never touch the radiator Check the air temperature in front of the radiator to gauge the temperature To avoid hot oil ejecting from the radiator stop the engine let the hot water cool and open the cover slowly to release the pressure Never touch the radiator Check the air temperature in front of the radiator to gauge the temperature While the machine is warming up do not touch engine silencer tail pipe or relay to prevent burn 35 Operation amp Maintenance Manual LG918 Wheel Loader 8 12 Examination and Repair of Hydraulic While the machine is warming up do not disassemble the water heat sensor of the engine oil heat sensor of the torque converter or the water pipe of air condition to prevent burn Never let the harmful alkaline materials in the coolant system touch your skin or eyes Choose a proper container to hold the liquid when replacing the coolant mobile oil of the engine oil of the transmission box and cleaning the parts Please refer to 8 20 Waste Materials in this chapter for the methods to deal with the waste l
87. ide the working procedures who determine the person in charge and repair the machine have been trained to assemble and disassemble the parts step by step Please wear a uniform with a tight wristband and trousers Always wear safety glasses Please use the repair tools correctly do not use broken or low quality tools Lower the working equipment completely to the ground stop the engine push the parking brake switch and wedge the tire during repairs to prevent bodily injury Obey the rules of warning labels Pay attention to the important notices on the label on the 31 Operation amp Maintenance Manual LG918 Wheel Loader machine and obey the rules Add a new one or clean the label if it 1s lost or dirty Attach the label of No Operation or other warning label to the switches or control board during repairs Never let other people operate or start the engine to prevent injury or death Fuel mobile oil grease and an oily cloth are dangerous materials which should be kept away from fire or flame Do not pile oily cloths anywhere because it may self ignite Never smoke when adding fuel or examining the storage battery Put the accessories in a safe place to prevent lost Put the handrail around and put the No Enter warning label to prevent people from entering without permission No people are allowed to get close to the machine or accessories without permission Keep the working area clean and
88. ient traction power and braking power Another towing machine should be used to pull at the back side to prevent the towed machine from losing control or turning over Start to tow and brake gently at the low speed and turn on the warning flash lamp The speed for towing the loader should be within 10 km h Try to tow the machine to the nearest repairing garage If the distance 1s longer than 10 km or the towing speed faster than 10 km h the front and rear transmission axle must be disassembled or put the loader on towing truck for 76 Operation amp Maintenance Manual LG918 Wheel Loader transportation 3 5 3 Operation in Cold Weather Attention for cold weather If the temperature is very low the engine will be difficult to start And the radiator may be frozen so please do as follows Use fuel with low viscosity and add antifreeze into the hydraulic oil and lubricant and coolant Refer to CHAPTER IV 2 2 1 Selection Table of Fuel Coolant and Lubricant for the details of using oil Attentions for using antifreeze l 2 3 4 Do not use antifreeze containing formaldehyde ethanol or propanol Never use any waterproofing agent independently or together with antifreeze Never use antifreeze with different trademarks together Replace antifreeze with the proper ratio according to the requirements Please refer to CHAPTER IV 2 1 2 Coolant Keep away from fire when adding antifreeze Att
89. il ice and loose materials Clean the dirt off the tires 41 Operation amp Maintenance Manual LG918 Wheel Loader Never turn around on the slope board If it 1s necessary turn outside the board and then drive back Lock the direction mechanism after assembly wedge the tires and tie the machine tightly with cords 9 2 Transportation on the Ground Obey the rules about weight height width and length prescribed by national and local laws for transporting the machine using a tow truck Obey the traffic rules Know the weight height width and length of machine regulation before deciding the transport routine Know the allowed limit of weight bearing when passing bridges or private buildings Obey the relative rules when driving on the public roads The machine may be unloaded when using other transportation Please contact Shandong Lingong Construction Machinery Co Ltd or their accredited representative 9 3 Lifting Use the hook of the front and rear frame to transport the A direction machine to ship or train select proper lifting equipment according to the weight of the loader otherwise it 1s dangerous to surpass the weight limit Notices for lifting Never bind like this Make sure the loader is in the transporting state The front and rear frame should be in the middle position Lock the machine using the lock bar to prevent rotation of the front and rear frame during lifting
90. il tank inside Disassemble the flange cover of the oil box top and clean the oil inlet port the oil recycle port and the oil recycle elements If the elements are broken please replace with a new one Tighten the flange cover and oil releasing spherical valve again Add oil to the oil inlet port at the top of the left bench until the oil level reaches the middle value of the indicator Tighten the oil inlet port cover Never add oil directly to the oil tank without oil filter elements Start engine and raise and lower lift arm Tilt the bucket forward and backward the bucket to the extreme position 2 3 times to let the hydraulic oil fill the cylinders and pipes sufficiently And run the engine in the idle status for 5 minutes to release the air in the system shut the engine Check the oil level Add oil when it 1s not enough 3 7 Long Time Storage 3 7 1 Before Storage When putting the machine in storage for a long time be sure to do as follows After every part 1s washed and dried house the machine in a dry building Never leave it outdoors If the machine must be outdoors park it on well drained concrete and cover it with canvas Add lubricant grease and change hydraulic oil before storage Apply a thin coat of grease to hydraulic piston rods which appear outside Disassemble the negative electrode of the battery and cover it or remove it from the machine and store it separately If the ambient temperature is expected to drop
91. imit to prevent the working device from injury by hydraulic impact Set level automatically function When dumping in the highest position move the control handle left to the rear tilt position and the control handle is locked During drawing the bucket the control handle returns to the neutral position and place it in the lowering position when in the set level automatically position Then the working device is placed on the ground and the bucket is in the bucketing position in order to realize the set level automatically function and increase the efficient of the whole vehicle Lock automatically function When leveling the ground place the control handle in the floating position and the control handle is locked by the electromagnetic force to realize the lock automatically Take the control handle from the floating position it returns to the neutral position automatically to increase the efficient of the whole vehicle Parking Brake Control Lever This switch 1s on the left side of the seat in the cab and it 1s used Parking Brake Control Level for the parking brake Pull this lever to engage the parking brake ON NS Press the button on the end of the lever and push the lever down to NS release the parking brake Brake Pedal The Brake Pedal controls the brake of the vehicle Refer to 1 1 General View of Controls and Gauges Figure3 1 and 3 2 in this chapter Accelerator Pedal 60 Opera
92. ing 1 10 Oil Changing Change oil in relationship dust free places to keep impurities out of the oil 90 Operation amp Maintenance Manual LG918 Wheel Loader 11 Welding Guide Turn off the starting switch of the engine and remove the battery cables Keep the distance between the grounding cable line and welding area more than 1m Avoid welding near the seal rings and bearings Never weld any pipe or tube while has fuel as or oil in them 1 12 Fire Prevention Clean the parts with inflammable cleaner or light oil Keep spark or cigarette light away from them 1 13 Sealing Part When replacing O ring or gaskets clean the clamp faces first and make sure the O ring and gaskets are in the correct assembly position 1 14 Checking the Frame After a long time of operation in rocky conditions check for damage of the undercarriage and loose or damaged between bolts and nuts 1 15 Attention to Washing Machine Wash machine after complete cooling of the engine Do not allow water to spray on any electric components 1 16 Checking in Raining and Snowing Circumstances Clean the machine immediately after working in rain and snow Lubricate and coat anti rust oil to other parts 1 17 Dusty Circumstances Do the following when the machine works in dusty circumstances Inspect and clean air filter frequently to avoid blocking Clean the radiator frequently to avoid blocking
93. ing driving the brake principle 1s the same as left brake pedal but the power of transmission box is not cut off Release the brake pedal and the compressed air of the booster pump drains from the brake valve to the atmosphere and the brake is released 3 3 Parking Brake System This system employs the manual pliers disc braking system Pull the control lever when you want to brake Pull the brake by the soft past of the shaft to achieve braking At the same time send an electric signal to turn on the parking brake indicator by which to alarm the operator that the vehicle 1s in the braking condition 4 ELECTRIC SYSTEM The electric system is composed of a storage battery starting motor charge generator appliance switch lamps air conditioning circuit and other electric instruments The system of this machine employs D C 24V voltage negative electrode and single wire lines The relation of each electric instrument and their working theories refer to the diagram sketch of the electric system as 1s shown in figure 5 6 5 7 and 5 8 104 Operation amp Maintenance Manual LG918 Wheel Loader Rear Headlight high low Rear Lighting Front Rain Wiper Switch Sprayer Rocker Switch Resettable Varning Lamp Switch
94. intenance Manual LG918 Wheel Loader 3 8 3 Brake System Insufficient brake force Failure to release the brake normally Pressure in air storage tank drops quickly after shutting down pressure drop is over 0 1 MPa in 30 min Slow rise of pressure reading in the brake gauge Oil leakage of pliers pump Air in brake hydraulic lines Low brake air pressure Over worn leather cup of booster pump Oil leakage from hub to brake plates Worn brake plates Wrong position of brake valve spool locked piston rod damaged or faulty reset spring Improper operation of booster Pliers piston can t reset Inlet valve of foot brake valve is clogged by dirt as damaged Loose pipe fitting or broken pipes Poor sealing performance of check valve in combination valve of oil water Separator Loose pipe fitting Abnormal work of air compressor Inlet valve or diaphragm of brake valve is not sealed The bleed hole of pressure controlled valve is clogged or the diaphragm of check valve leaks air 87 Change rectangular sealing ring of pump Bleed the air out Check the sealing performance of air compressor control valve storage tank and lines Change the leather cup Check or replace the seal of hub Change brake plates Refer to problem 2 Check the booster pump Check or replace the rectangular seal ring Brake continuously several times to blow the dirt off or change valve Tighten the pipe fitting or change brake
95. ion of the important parts are listed in the table below Abide by this table except in special conditions Material Or Position Thread size horde Torque N m class NN bolts of transmission base 16 1 5 70 70 100 MIBI E 265 355 nS bolts between driving axle and 3 iae M20x1 5x70 380 460 Connection of the transmission shaft 12 1 25 45 75 105 5 Assembling bolts between engine oil tank mdame M16x35 185 265 Assembling bolts between fuel tank and M20x2x60 24 2 120 M16x40 Assembling bolts between teeth and bucket 193 257 M16x70 3 CONTENT OF MAINTENANCE Maintenance content includes the run in period of a new machine and the periodic maintenance of every 10 50 100 250 500 1000 and 2000 hours 3 1 Every 10 Hours Days Service Check the sealing performance of work equipment systems such as hydraulic steering and brake system Check the flexibility and reliability of the brakes Check whether the electric circuit is correct and the electric components are normal Check the oil level in the oil tank and the water level in the water tank Add grease to the fan shaft jointed point between front and rear frames driving axles jointed points of oscillating frame and joint points of work equipment Check if there are other abnormalities Open the water draining valve in the air tank to drain the water out 97 Operation amp Maintenance Manual LG918 Wheel Loader Refer t
96. ions Check whether the tires are worn or broken the bolts and nuts are loose Especially pay attention to the loose hub nut and repair or replace for any abnormal situations 4 1 3 When Starting the Engine Before boarding on the machine check the machine again to see whether there are people or blockages on or under or near the machine If there are unrelated people in the working area ask them to leave Do not begin work until they leave Don t start the machine if there is the tag of NO OPERATION on the control handle of the working equipment or shift control handle Sit with the safety belt locked into place Know the meanings for all the warnings on the equipment meters and control equipment on the panel Be sure the parking brake switch 1s at the braking position and all the control equipment are in the neutral position Sound the horn for warning Start the engine Please refer to CHAPTER III 3 2 2 Starting of Engine Only start the engine in the cab Do not start the engine by short circuit It may destroy the machine if it 1s started from side short circuit This 1s very dangerous 4 1 4 Check after Starting the Engine Check after the engine is started to make sure there 15 no potential danger When examining the machine park the machine in a spacious place and do not let unauthorized people to get close Check whether the engine runs with an abnormal sound or shaking If so there may be so
97. ions When Operating at High Temperature Just after turning off the engine the coolant engine oil and hydraulic oil are at high temperature and still under high pressure The attempt to remove the cap drain the oil or water or replace filters may lead to serious burns Always wait for the temperature to go down and follow the specified procedures when performing these operations Stop the engine wait for the water to become cool and then loosen the cap slowly to relieve the inner pressure before removing the cap of radiator 15 Operation amp Maintenance Manual LG918 Wheel Loader 3 6 Visibility Requirements Pay attention to the stability of the front and rear of the machine during operation since work equipment may block vision at the front while the load is concentrated on the back wheels Be sure there is no fog soot sand or dust cloud that may block vision Examine the working area and the road condition Check whether there are holes blockages slosh or ice Understand the objective of the operation be sure to understand the meaning of the flags signals and labels before the operation begins Set 5675 3 7 Prevent Crushing or Cutting Body Parts Do not put your hand arm or other parts of your body into movable parts of equipment If the working equipment is in operation the clearance will change and this may lead to serious damage or personal injury when standing too close The engine must be
98. iquid Keep fire off when disassembling the connection pipe of the air condition compressor System Lock the oil tank and other hydraulic equipment safely release the pressure of all hydraulic systems before examining the hydraulic system Never bend or beat the high pressure hydraulic pipe Never assemble the hard pipe and soft pipe if they are bent abnormally or broken Routinely repair any loose or broken fuel oil circuits lubricating oil circuits the hard and soft pipe of the hydraulic system Leakage can cause fire so routine maintenance is critical Examine the pipe system carefully hard pipe and soft pipe screw down the connectors according to the proper torque Do not examine a leak using your hand rather use a board or paper board The leaking hydraulic liquid may penetrate your skin and cause death If the liquid splash onto your skin the case of a physician trained for this kind of burn will be immediately required N NOTICE Please replace these parts in the following conditions Connectors are broken or leaking Outside of soft pipe is abrasive or cracked and the steel wire of the strengthening layer 1s bare Local of soft pip 1s upheaval Soft pipe 1s obviously torqued or staved Steel wire of strengthening layer penetrates the outside layer The end connectors are misplaced Operation amp Maintenance Manual LG918 Wheel Loader Make sure all the pipe clamps protective board a
99. k other than what the machine is designed for It may damage the parts or cause an accident when using the head of the working equipment for other fuctions such as hook grasp 27 Operation amp Maintenance Manual LG918 Wheel Loader draw push or tow 6 2 Pay Attention to Surroundings No unauthorized person is allowed to enter the working area because the working equipment will work up and down turn left and right and move forward and backward all the time Keep people away from all sides of the working equipment To ensure safety when working at the side of a road or hear a cliff where the land may shift designate a person to watch and direct at all times Take care with the dumping position when unloading sand or rocks from the high position When pushing material off a cliff or when the highest point is reached the load may desrease suddenly Subsequently the moving speed will increase so slow down in advance When constructing a dam or unloading soil from a cliff form one pile first and use the second pile to push the first one 6 3 Ensure Ventilation in Close Environment Open the window to ensure enough air when operating dealing with fuel cleaning parts or painting in close or badly ventilated environments to prevent bodily injury If this can not satisfy the need 28 Operation amp Maintenance Manual LG918 Wheel Loader please assemble aerator Pr
100. llow unauthorized people to use Electric welding and flame cutting is not allowed for the tubes containing flammable fluid Clean the tubes with nonflammable fluid before electric welding and flame cutting 14 Operation amp Maintenance Manual LG918 Wheel Loader Clean thoroughly the flammable materials such as sawdust leaves and paper which collect in the engine and brake clip and clean the flammable oil lubricating oil and other substances on the machine While operating pay attention when the outlet of the muffler is close to flammable materials such as withered grass and old papers When parking the loader carefully select the environment especially select the places where there are no flammable materials near the parts with a high temperature such as the muffler Check whether there is the leakage of fuel lubricating oil or hydraulic oil If so repair or replace the broken items Clean the repaired items before use If there is explosive air generated near the storage battery be sure there is no flame or fire nearby Repair maintain and use the storage battery as referenced in users manual Do not use flame or fire match or lighter to check in a dark place The fire extinguisher should be ready for use at all times and the user must be knowledgeable about its use and function Check and maintain it as referenced in users manual Never operate machine near flame or fire Do not short circuit 3 5 Precaut
101. loted valve No concentric steering column and valve spool Steering shaft axially locks the valve plug Large axial resistance of steering column Broken spring plate Phenomena medium pressure drop increases or the relief of steering unit fails when steering wheel stops wheel loader deflects from straight traveling line Check oil pump Discharge air from system and check the suction lines Check the valve Clean if it is blocked by dirt Replace piloted valve Readjust the pressure to specified value Fill oil to specified level Change seals of oil circuits Change seals of hydraulic tanks Replace steering unit Change by the specified oil Change the damaged spring plate Change the center pin or drive shaft Check and repair the bi directional overload valve Disassemble check clean and assemble strictly or change parts Change the damaged parts Remove the problems according to the respective reasons Refer to Operation and Maintenance Manual of diesel engine for troubleshooting 89 Operation amp Maintenance Manual LG918 Wheel Loader CHAPTER IV MAINTENANCE 1 MAINTENANCE GUIDE Read following information carefully before carrying out maintenance and inspection 1 1 Attention to Maintenance and Inspection Perform the maintenance on hard and level ground Lower the work equipment near the ground and level the bucket Set all control levers or handles to the Neutral position o o Draw up th
102. lt Otherwise serious hurt may occur Do not make adjustments unless fully trained to do so 8 7 Do not let anything fall into the inner part of the machine When opening the examination window and the oil filling port of the oil tank make sure that nothing such as nuts bolts cotton yarn or tools falls into the inside of the machine If it happens the machine may be disabled Pick out the fallen pieces safely Do not carry any unnecessary tools or parts in your pockets during examination of the machine 8 8 Cleaning Wear the anti slide shoes to prevent sliding when cleaning the machine Wear protective clothes when using high pressure water to clean the machine Clean routinely to prevent dirt or mud splashing into the eyes or slippage caused by oil on the machine Do not use a flammable scour when cleaning the machine e Shut the engine to clean the inner part of the machine put all the levers or handles in the neutral position push the parking brake switch and keep it in the braked position Do not let water enter an electric part such as sensor wire connector or operator cab If so the operation may be disabled and the electric circuit may be damaged Wear protect clothes and glasses when using compressed air to clean the filter mesh 8 9 Heavy Materials Wear protect clothes safety glasses and safety helmet and put a copper bar between the hammer and the part being hit Eyes may be dama
103. mbled Left button controls piston rod of double beam hydraulically cylinder extend to link attachments Right button controls piston rod of double beam hydraulically cylinder draw back to shift off attachments Notice Never come away the attachment in operation Lift Arm Control Handle Put the control handle from front to back to control the lower float neutral and lift of the lift arm Lift 1s used for lifting Neutral 1s used for maintaining the lift arm in the desired position Lower is used for lowering Float 1s used for moving freely under applied force 59 Operation amp Maintenance Manual LG918 Wheel Loader Notice Never put the lift arm down when it is in the floating position Bucket Control Handle Move the control handle from left to right to control the front tilt neutral and rear tilt of the bucket Rear Tilt is used for drawing in the bucket Neutral is used for keeping the bucket in the desired position Forward Tilt is used for dumping Lifting limit location function When place the control handle in the lifting position the electromagnetic force from lifting limit location locked magnet coil of pilot valve can lock the control level in the lifting position When the lift arm lifts to the highest position the lifting limit proximity switch fixed on the lift arm controls the locked magnet coil of pilot valve to power off so the control handle turn to neutral position to realize the lifting l
104. me 19 Operation amp Maintenance Manual LG918 Wheel Loader malfunctions report to the manager immediately Operate the machine after the malfunctions are eliminated Test the control of the engine speed in the neutral gear Examine the gauges meters and warning light be sure they are in the normal working range Operate the control mechanism for the gears Make sure the front middle and rear gears are in the correct positions Make sure all the control levers or control handles are easy to use Examine the foot brake valve and oil operation valve according to the user manual to make sure that they are normal Check whether the left turning and right turning 1s smooth at low speed Be sure the control lever of the manual brake valve 15 at rescission of braking state before moving forward 5 SAFETY DRIVING 5 Warning The warning light should be turned on to warn the other drivers on the road when the machine is broken down or operating at a low speed 5 2 Safety of self and others Develop good driving habits to ensure everyone s safety Sound the horn to ensure safety before moving Be sure there are no people or blockage on the left and right side Check the brakes on dry and firm level ground Do not put an arm or foot on the working equipment or extend outside the machine When driving on the level ground adjust the lower hinge of the arm working equip
105. ment to 400 500mm 16 201n above the ground E 400 500 Always warn people near the machine in all 16 20 in 20 Operation amp Maintenance Manual LG918 Wheel Loader direction by sounding the horn The door of the cab should be locked when driving Do not open the door while driving It is dangerous to pick up other people No one should sit on the machine body Never use the bucket as a people carrier Follow the traffic rules on the common roads Pass the crossing road quickly and do not block the road Drive on the side of the road and let the other vehicles go first Keep a proper distance from others Brake immediately and stop when the engine flameouts Steering unit does not work when engine stops Emergency brake could hurt people e It is dangerous to shift from forward to backward gear at high speed 21 Operation amp Maintenance Manual LG918 Wheel Loader Never do this 5 3 Full Load Transportation 5 4 Drive at Proper Speeds Do not keep a full bucket in the high position when moving Select the proper speed with a full load during transport Lower the bucket to contact the tilt block and run with proper height 400 500mm above the ground so that the center of gravity can be lowered to insure driving smoothly Check the limit lifting weight of the loader Never overload which may hurt the machine or people Shandong Lingong Construction Machi
106. nd anti heat cover are installed properly to prevent vibration and overheating due to friction with other parts Choose proper container to hold liquid when replacing the hydraulic oil of the hydraulic system and when cleaning the parts Please refer to 8 20 Waste Materials in this chapter for the methods to deal with waste liquid 8 13 Preventing Fire Stop the engine before adding fuel Do not smoke and keep fire away while adding fuel Keep fire away from the storage place of fuel grease or other flammable materials Clean the flammable substances on the machine such as fuel grease oily cloth or other flammable materials Keep fire away from the storage battery because explosive gas may be generated Strictly follow the program in this user manual to maintain the storage battery Make sure there are no flammable materials such as dry grass and old paper near the high temperature parts such as the silencer when parking the machine Check whether there is leakage of fuel mobile oil or hydraulic oil Replace the broken soft pipes Clean before operation and after repair Check the wire to see whether it is breakage and voltage leakage if so replace it or repair it Use inflammable liquid to clean the parts do not use gasoline or other flammable materials Never weld or flame cut the pipe or tank containing flammable liquid Clean them using inflammable liquid before welding and flame cutting
107. nd brake the machine to shift gears while running Release the accelerator and operate the transmission lever at the same time when changing the speed from low to high and when changing the speed from high to low release the accelerator first and then change the transmission slowly 3 3 3 Turning Turn the steering wheel to the desired direction The machine will turn The machine takes the articulated pin at the center And the front and rear frames turn by rotating its waist Never turn suddenly or turn on a slope at high speed When driving straight the machine can not turn if the engine stops 3 3 4 Braking Never put your foot on the brake pedal unless necessary 70 Operation amp Maintenance Manual LG918 Wheel Loader Never press the brake pedal again and again unless necessary Never try to stop the engine and put the high low speed control lever and the fore and aft control level in the neutral position while driving down sloping ground Never use the control lever of the manual brake switch to brake or slow the speed of the machine while running unless in an emergency 3 4 Stopping 4 1 Steps to Stop Release the accelerator and press the brake pedal to stop the machine Put the gear control lever in the neutral position After safely stopping push the parking brake switch to lock the machine in place Level the bucket and other work equipment to th
108. nection of the storage battery 9 Check the pressure of the tire to see whether it is normal Please refer to CHAPTER II 8 1 Performance 10 Check the control levers or handles to see whether they are sensitive and in the neutral position 11 Adjust the seat position to sit comfortably Please refer to 1 2 10 Adjustment of Cab s Seat in this chapter 12 Check the safety belt 1f assembled and other safety equipment for good working order 13 Start the full checking list the engine only after completing 3 2 2 Engine Starting Points for attention of starting engine Make sure all the control levers are in the neutral position before starting make sure the gear control lever is in neutral position and put the switch in its original position Step on the accelerator slowly when starting to prevent breaking parts Follow the correct starting steps to start the engine Refer to Diesel Engine Usage and Maintenance User Manual for other operations of diesel engines Steps of starting engine Put the shifting control lever to the neutral position Turn the start key clockwise to the ON position Connect the power switch and ring the horn Turn the starting key to the ON position Connect the power switch and press the accelerator slowly Then turn to the START position After releasing the starting key it will go back to the ON position automatically The starting time is not more than 5 10 seconds the engine starting effort
109. nery Co Ltd assumes no responsibility for overload injury or damage to equipment Do not drive turn or brake suddenly and do not detour Never suddenly stop or lower the working equipment which may throw out the materials from the bucket or cause the loader to turn over Know the characteristics of the loader and follow the actual conditions in the working area Drive at the proper speed Select path of drive and method of machining to let the others know Keep a low speed so as to maintain control easily at all times Never drive fast turn to brake suddenly on rugged slippery or oblique ground Slow down when passing over rough or rugged ground with blocks around which may cause some problems in controlling the steering wheel Loader may turn over if operated in the wrong way Let the engine run smoothly never drive at high speed 5 5 Ensure Good Visibility Slow the speed and sound the horn if necessary to let others know and determine the proper direction when the visibility is bad or at a narrow crossing Sand dust fog or storm may affect the visibility Slow down when visibility is poor When 22 Operation amp Maintenance Manual LG918 Wheel Loader visibility is not good stop working until the weather cleans The loader is a special vehicle Drive carefully when taking long parts which may block the visibility Carefully lift go forward and backward and shift gears Never let unauthorized people go in
110. ng charging because the generation of oxygen and hydrogen may cause an explosion Prevent circuit from shorting Keep fire away from the crust on the battery because it 1s flammable store the battery under dry clean and well ventilated circumstances with temperatures between 5 25 Prevent sun light irradiation Keep the battery 2m away from a heat source The battery will be affected by high temperature Never reverse and put horizontally Prevent damage by too much pressure The storage life of a battery is 6 months under room temperature without charging If over 6 months please charge before use Pay attention to the labels on equipment before installation to prevent accidents Spread vaseline on the poles to prevent erosion The wire connections should be firm and credible Never hammer the wire pole which may cause the leak of vitriol Connect the positive pole of the storage battery with the negative pole of the machine first and then connect the negative pole of the storage battery with the positive pole of the machine Put the battery on the shaft using the upside fixing method or downside fixing method to prevent destruction caused by loosening 38 Operation amp Maintenance Manual LG918 Wheel Loader There is an indicator on the cover of the battery The green light means it can be used the black light means it should be charged and the white light means it should be replaced Replace with a new battery after the whi
111. not be more than 15 seconds Try again if the machine does not start the first time But the alternation time should be more than 68 Operation amp Maintenance Manual LG918 Wheel Loader 1 minute If the engine does not start after these tries please check the machine and solve the problem 3 2 3 After Starting of Engine Lower the speed of the engine and examine the reason if engine oil pressure gauge is not in the normal position in more than 10 seconds After that start again otherwise there may be some problem When the engine oil pressure does not reach the designated value the high running speed of the engine will induce a high temperature and the turbo charger may be broken Use the working equipment control levers to let the preheated hydraulic oil circle in hydraulic tank and pipes so that way the hydraulic parts can warm quickly Keep the engine at an idle speed for several minutes after starting Increase the speed to 1000 1200r min gradually and then enter the partial load running status Pay attention to the value of the gauge Do not let the engine run at high speed or low speed more than 20 minutes in the idle status If the engine has to run at idle status the machine should be loaded from time to time or the engine should run at the middle speed 3 3 Running 3 3 1 Driving Make sure there is no other person in on or around the machine or around to prevent accident And k
112. o allow the bucket to tilt forward or backward to shake down the material After dumping use the bucket to level equipment if assembled Rear tilt bucket to level position and operate the working equipment control handle to allow the lift arm to lower to prepare for next operation 5 Pushing Operation Level the bucket to the ground and push the accelerator to move forward If there is blockage during moving raise the lift arm a little and move forward continuously When operating the lift arm to lift or lower operate the control lever between lifting and lowering operation Never use the lever at the raising or lowering position to ensure pushing the bucket smoothly Watch the torque converter oil temperature gauge all the time during a pushing operation If the temperature is too high stop the machine to let it cool down and th 6 Striking Operation Tilt the bucket to let the blade touch the ground For hard ground put the lift arm control lever in the 75 Operation amp Maintenance Manual LG918 Wheel Loader float position for soft ground put the lift arm control lever in the neutral position Use reverse gear to strike the ground with blade 7 Towing Operation Before towing the tires must be blocked by the parking brake to prevent the machine from rolling During towing be careful to prevent severe and fatal injury If possible the engine of the towed machin
113. o Operation and Maintenance Manual of diesel engine for maintenance 3 2 Every 50 Hours Week Service Carry out the periodic maintenance of every 10 hours with this maintenance operation at the same time Check oil level of the gearbox hydraulic oil tank and brake booster pump Tighten all connection bolts of transmission axles Check whether all connection bolts of hubs and the brake caliper are loose Check all connection bolts of teeth for tightening Check and lubricate the accelerator control parking brake and gearshift control system In addition do the extra maintenance in the first 50 hours as follows Check and clean the air vent of the gearbox Check and clean the filter cartridge of the oil line system of the torque converter gearbox Check if there 1s leakage in the hydraulic system Check and clean the air vent of the hydraulic reservoir Check the oil return filter cartridge of the hydraulic reservoir Check if there 1s leakage in the brake system Clean the filter mesh of the oil bowl in the booster pump Clean the air vent and check the brake fluid Add them if deficient 3 3 Every100 Hours Month Service Carry out the periodic maintenance of every 10 and 50 hours with this maintenance operation at the same time Cleaning radiator set Cleaning gasoline filter of fuel tank In addition do the extra maintenance in the first 100 hours as follows Change the gear oil in
114. o eto OFF o o OFF o o Pos Plug Bil B 3 Tura Off o o I LIEB d Nau x 0 OFF o o 9 I H eto oto H H obo Left Turn HN 2 7 Floating Magnetic Valve OFF i Lot I e e e yr yr I H ere gh gh ON o Lo Right Turn OTS 63 2 Back Light Bucket Magnetic Valve a M uu pu mu 2 E uA 0 pu EA L START IBS NES atte m A as aes n 62 sasia as soda 7 asain ss se 5 a zs m 5 0 Lift Arm Magnetic Valve wr mE 3 aiaa Ss as FS 5 93 Overtaking Light o4 93 2 H 4 4 4 L 4 4 4 Engine Oit 0 Steering Wel Pre heat 414 Charging how Brake 4 Conpiter Box Front Headlight low Front Headlight high Middle Relay Start Chain eo 4 Left Turning High Beam Pressure t t i Indicstof Air Pressure Power Cut Forking RightTurning slg a amp o Indicator LampIndicator Lamp Warning Lamp Lanp Indicator Lanp Lanp Indicator lamp Lanp Alarm Lamp Indicator Lamp Indicator Lamp Indicator Lang e e e e e e M c m Ld e e eo e lt w e e oo r pm 80 i 1 8 4949 4 444 ddd d o 600006006 3L 82 4 123456789 Low Pressure Alarm Emergency Steering Alarm 20 123456189 000000 15 80 36 M m95 Saag ages 3 Bs 32 5 Emergency Steering Switch Ressetable 0 APODO 3 1 13 19 SIE F
115. orting LM grease Fon Energrease L XHP222 Beacon EP 2 5 Alvania lubricant grease Purpose GB7324 2 3 The Sketch of Lubricating Points 1000h 500h 30h L00h Unde 3 h Tn T 7 m mM 10h ma Kx G j y SN A Ed 7 m WE EE LUBRICATION POINTS INDICATION 19360951 EE o __ EHE EH XEM eo AARAA o RMD CHARGE OIL i DIL POSITION CHANGE OIL AFTER MN ADD GREASE eet GEAR QIL HYDRAULIC DIESEL INSPECTION N TIME OIL TRAXSMISSTON OTL ENGINE QIL 2 4 Detailed Rules of Electric System Maintenance If the wire stays in the wet environment or the insulation of it is damaged the electric system may leakage which will cause hazardous accident Maintenance of components related to the electric system 1 Check the tension and distress of the fan belt 2 Check the fluid level of electrolyte in the storage battery Never remove or disassemble any electric components installed in the machine Never install any electric components other than those specified by the company Be sure to keep the electric system dry when washing the machine or working in rain and snow 96 Operation amp Maintenance Manual LG918 Wheel Loader Avoid the electric system corroding by seawater when working on the seashore 2 5 Maintenance Tools Refer to the production containerization list for details of maintenance tools 2 6 Tightening Torque of Screw The tightening torques of screw connect
116. ounted with standard lift arms 45 Operation amp Maintenance Manual LG918 Wheel Loader 3 PRODUCT TYPE AND ITS MEANING LG 9 18 Load limit is 1 8 ton Wheel loader Shandong Lingong 4 NAMEPLATE The nameplate is fixed on the left rear side of the front frame describing the model serial No production date and manufacturer of the machine The type of nameplate is shown in Fig 2 3 The other configurations of nameplate refer to CHAPTER II 8 TECHNICAL PERFORMANCE amp PARAMETERS ERT RX HX RI a HJ BE Figure 2 3 Nameplate of LG918 46 Operation amp Maintenance Manual LG918 Wheel Loader 5 USE CONDITIONS This loader is a multi purpose large construction machine mainly used for bulk materials It is widely used in mineral yards construction roads freight yards and ports It can be used for dragging to flatten the ground piling and stacking of bulk soil sand sand stone coal and garbage It can chuck wood fork grass clean snow and chuck box liked material with proper work equipment Please refer to CHAPTER III 3 5 Operations for details N WARNING The following operations are forbidden for the loader 1 Over loading Unbalanced Digging hard material Lifting heavy material using a rope hung directly on the bucket Dig with the bucket above the machine level 6 CIRCUMSTANCES REQUIREMENT Requirements for this machine as follows 1 Altitude lt 500m 2 Temperatu
117. quor Please act according to the circumstance and the illustration when reinfusing atherviae the effect will he reduced Selection rengt 15 advised as below 15 is used Wiha temeracure of 2 150 J54ig used Wiha temeratura nf 2 250 Sig wed witha Laer apy a i E S 13 No fire warning Located on fuel tank If coolant 45 has been added Coolant 45 has been added in the machine Notice the coolant is glycol engine cooling liquor e Please do according to the circumstance and the illustration when reinfusing otherwise the effect will be reduced e Selecting range is advised as below 25 is used in the temperature of 2 15 C 35 is used in the temperature of 2 25C 45 is used in the temperature of 2 35C N Ad DANGER Risk of Battery Explosion NO Smoking sparks or Flames NS 14 Warning of machine reversing Located on both sides of engine hood DANGER VEHICLE FREQUENTLY REVERS ING Operation amp Maintenance Manual LG918 Wheel Loader 15 Personal safety range Located on both sides of engine hood AX DANGER e Hazardous moving amp rotating parts e an cause severe personal injury e 00 NOT enter working range with machine in operation X 16 Warning of high voltage Located on the left back upright column in inner operator cab DANGER
118. re 10 40 C 3 Water depth lt 500 The loader is a general construction machine and can be used under the conditions listed in this manual Please follow the rules and utilize relative specific purpose equipment If it 1s used under other conditions or potentially dangerous circumstances such as areas with flammable materials explosives and asbestos dust the manufacturer assumes no responsibility for the potentially resulting damage and injury 7 FEATURES Both the wheel base and operating weight are large so the vertical stability 1s high The working equipment has automatic leveling ability which results in high efficiency and 47 Operation amp Maintenance Manual LG918 Wheel Loader requires less operating strength of the driving person Employs the connecting structure of the new 24 cone elastic seal pipe seal and is reliable Make sure there 1s no leakage Employs new damping system The machine operation is smooth and comfortable The type of power shifting transmission is fixed axle so the structure 1s compact and the transmission efficiency is high The driving axle uses mature technology and has good performance big loading power long use life and high reliability The single stage three element torque convertors can utilize the power of the engine fully to increase the get torque and bigger traction force Adapts to the change of external resistance and realizes automatic continuous variable spee
119. s switches power insert or sensor and the covers of these parts Otherwise the water in these parts may be frozen and an unpredictable accident may 30 Operation amp Maintenance Manual LG918 Wheel Loader be caused Before operation preheat sufficiently The machine won t start if do not preheat before operating the conrol handle of the working equipment and an unpredictable accident may be caused Operate the working equipment control handle to let the hydraulic oil cycle in the hydraulic system Do this by letting the pressure of the system rise up to the system setting and then release to let the oil flow back to the hydraulic oil tank to preheat the hydraulic oil so as to guarantee better reaction and prevent malfunction Do not charge the storage battery with frozen electrolytes and do not use other power to start the engine It is dangerous and can cause fire Please refer to CHAPTER III 3 5 3 Operation in Cold Weather 8 SAFETY EXAMINATION AND REPAIR 8 1 General Knowledge Operation and maintenance people should be trained to become the licensed Do not allow anyone to enter 5 m the working area except the maintenance people If necessary please assign people to guard The repair of the machine should follow the procedures Ask the Shandong Lingong Construction Machinery Co Ltd for help if you don t know how to do the repair Assure that the people who are responsible for repairs who dec
120. s user should purchase the machine with falling object protective structures 11 Operation amp Maintenance Manual LG918 Wheel Loader 2 3 Protective Items Wear protective items such as helmet made of hard materials safety glasses shoes mask reflector protective vest earplugs heavy gloves when the machine is in operation or being maintained Make sure to wear a helmet made of hard materials safety glasses and heavy gloves if there are scattered metal chips or other minute particles in the operation particularly when cleaning the filter elements of the air cleaner with compressed air and be sure that there 1s no one near the machine Never wear loose clothing jewelry and loose long hair They can be caught by control levers or control handles or moving parts which may cause serious injury and even death Avoid wearing oily clothes because they are flammable Compressed air may hurt the body When using compressed air be sure to wear a mask safety cloth and shoes The pressure of compressed air should be lower than 0 3MPa All the protective items should be routinely examined for proper function before use 2 4 Unauthorized Modification Any modification without the companies authorization may result in serious personal danger Please consult Shandong Lingong Construction Machinery Co Ltd or the sellers before making modifications The company assumes no responsibility for any injury or damage
121. s described in this manual The following signs are used for identification of safety information in this manual DANGER This word is used in safety messages and on safety labels where there is a high possibility of serious injury or death if the hazard is not avoided These safety messages or labels usually describe precautions that must be taken to avoid the hazard Failure to avoid this hazard may also result in serious damage to the machine WARNING This word is used in safety messages and on safety labels where there is a potentially dangerous situation Failure to avoid this hazard may also result in serious injury or death Failure to avoid this hazard may also result in serious damage to the machine NNOTICE This word is used in safety messages and on safety labels for the hazards that could result in minor or moderate injury if the hazard is not avoided This word is used for precautions that must be taken in order to avoid actions which could shorten the life of the machine IH Operation amp Maintenance Manual LG918 Wheel Loader CHAPTER I SAFETY Read and follow all safety precautions Failure to do so may result in serious injury or death 1 SAFETY LABEL POSITIONS AND THE CONTENTS 6 15 D 1n
122. s no antifreeze in coolant water please open the water drain valves located at the bottom of the water tank and the engine Then drain all the coolant water in the evaporators of the cooling system and the air condition system if assembled to prevent cold cracks If antifreeze 1s added please follow the rules on the nameplate of the antifreeze After cold weather After the weather is warm the relative parts should use the proper engine oil fuel and hydraulic oil that are appropriate for the temperature 3 6 Oil and Fuel Supply 3 6 1 Fuel Supply of Engine 1 Fuel Level Checking N NOTICE An oil level check must be executed 15 minutes before engaging the engine or after stopping the engine Park the machine on level ground and put the transmission lever in the neutral N position Pull the parking brake switch and put blocks in front and back of tires Open the side door on the left side of the engine cover Pull the dipstick out and wipe it clean with gt a cloth Insert the dipstick back and pull it Checking 011 Dipstick Of the Engine Oil out again to check the oil level at least twice If the oil level is lower than the lower limit oil should be added by the oil adding port N 4 011 Adding lt Upper Limit 011 Adding If it 1s higher than the upper limit sign Lower Limit check the problem and solve it It is a suitable oil level if it is between the lower limit
123. t Working Light Light 3 xy w Q 5 2 J O i szszEzz2285 ERA i aeaa a BB usnm a EG a add dad 0 nb Ober WEE Low Pressure 2 i 1234 5 6 9 Alarm i X 23456789 4 00000 15 e ixmze22 80 14 2x25 9 09 S 32 11 49 30 3 1 1 73 0 ex Flashing Amber es 21 o Oo 10A 10 1104 7 5 104 25A 10 10A SA Cab Wiring Assembly C e an e lt si L 2 x J sla al m a CN6 s Norn Air Blower Rocker an 0 Blower Switch i dM m M ssa a0 ASF 5 2 6 9 Y OFF o Headlight OO X 6 6 E SLE i ue Hi ss nA Du 33 dd asics 0 0 0 ji in oe Top Warning Light Ilas O3 30 30 30 Can Be Instal loo L 37 43 E m 80 80 i 21 21 49 49 Top Light 93 Quick Changing Installation Rocket Switch amp o 4 I 0 50 50 CAPR lo 5 Pos ja 65 65 65 aiu 1 A 64 64 64 Tih Radio o 4 PA 4 60 60 z 23 o Sprayer wai V N 7 5 n 2 EEEE 42 42 42 85 85 85 85 co 9 4 86 86 86 86 to 90 81 H 831 e Button Switches 18102 10 10 10 Lia 11 11 11 1N4007 13 Rear Light Brake Switches 40 i 8 1 57 4 0 Horn Button ual 41 105 s ee 1 1 10 11 12 13 14 1 Rear Lamp Rear Lamp License Lig i ight Taillig z DM Horn Assembly J SESA A PRU 00 3 000 63 0000 5 aa Engine Water Temperature Sensor
124. te light indicator Routinely recharge the battery if the battery lacks electric power during use to prevent the capability of battery sulfate going down If the battery is installed disassemble it and put it in a dry and well ventilated place if it is not used for long time generally more than 15 days Recharge the battery every 3 6 months based on whether the indicator 1s black or not 8 17 Charging of Storage Battery Explosion may occur if the storage batteries are charged in the wrong way So follow the storage battery instructions in this user manual Do as follows Charge with constant voltage is recommended gt Complementary charge charge 16 hours at 16 0 Voltage max current is less than 25A gt Normal charge charge 24 hours at 16 0 Voltage max current is less than 25A Connect the positive pole of the charging machine with the negative pole of the storage battery and then connect the negative pole of the charging machine with the positive pole of the storage battery Never reverse Examine the vent of the battery to prevent blockage otherwise it may explode Lower the charging voltage or current 1f the electrolytes are over 45 C to prevent spurt out of electrolytes due to high temperatures Never overcharge during use or charging to prevent early invalidation due to water loss grid increasing and diachylon dropping 8 18 Starting to Use Voltage Raising Method The wrong connection of voltage raising cable ma
125. the ramp rather than drive through alleyway or footpath Choose proper gears before going down the slope and never change the speed during going down the slopes Do not suddenly brake on the ramp because the center of gravity is on the front tire or rear tire Use gear I when driving on the ramp with a full load Go forward when driving up the ramp go backward when driving down the ramp Never turn around Brake slowly when driving down the ramp do not set the gearshift control lever in the position of the neutral gear Go down the ramp slowly never stop the engine 24 Operation amp Maintenance Manual LG918 Wheel Loader If the engine stops on the ramp slope is less than 15 step on the brake padel immediately and lower the bucket to the ground to help brake use the parking brake put the gear control lever in the neutral position and then restart engine When driving with a load the bucket should face the high direction of the ramp at all times which means go up forward and go down backward 5 9 Towing 6 SAFETY OPERATION WARNING Injury even death may occur if the disabled machine is towed incorrectly Follow the direction in CHAPTER III 3 5 2 7 Towing a dangerous contion may be caused by using the wrong method Wear gloves to deal with a tightwire Before preparation for the towing confirm the signals with other people Please contact Shandong Lingong Construction Machinery Co Ltd or their
126. tion amp Maintenance Manual LG918 Wheel Loader This pedal controls the acceleration of the engine Refer to 1 1 General View of Controls and Gauges Figure3 1 and 3 2 in this chapter The engine speed can be freely regulated between idle and full Flameout Control Tw wSoft Knob speed Flameout Control Soft Knot This soft knot is on the cover of the heater which on the right side of the seat Pull this knot and keep for several seconds will put out an engine flame 1 2 5 Cab Door Locking Bar Inside Cab Locking Bar When the lock of the cab is in the locked positions the door will be locked automatically after closing the door Insert key outside the cab Turn 180 clockwise and pull out key Pull the handle outside the cab and the cab door will open Turn the lock bar upward and it will open Outside Cab Locking Bar Open the left and right door to 180 and the orientation lock on the door will touch the outside lock of the cab and the door will be locked outside the cab Turn the control bar downward and it will unlock Be sure to use the front and rear frame locking bar during maintenance or transporting the machine Be sure to release the frame locking bar during routine travel The frame locking bar is used to lock the front and rear frames during maintenance or transporting vehicles in order to prevent the frames from moving 61 Operation amp Maintenance Manual LG918 Wheel
127. to the clarity of the oil while replacing it never let other materials enter the hydraulic system directly Clean out the in bucket Park the machine on level 0 Return amp 0il Obsarbing ground and put the transmission lever in the neutral piso Lover fee Lange Cover position Pull the braking control lever Start the engine and keep in the idle status for 10 minutes Raise and lower the lift arm several times and tilt the bucket forward and backward several times Raise the lift arm to the highest position tilt the Oil Adding Air ChangingFilter Port Cover bucket backwards to the extreme position and shut the engine Push the bucket control lever forward to let the bucket tilt forward freely by its weight Drain out the oil in the bucket cylinder After the bucket has tilted to the desired position push the lift arm control lever forward to let the lift arm fall down by its weight freely Drain out the oil in the lift arm cylinder The temperature of hydraulic oil may be high so wear protective clothes and operate carefully to prevent injury Loosen the oil releasing spherical valve on the oil tank bottom to drain the oil to the container Open the oil inlet cover at the same time to fasten the draining process Flange 83 Cover Operation amp Maintenance Manual LG918 Wheel Loader Disassemble the flange cover of the oil box bottom Clean the o
128. to the working area or give specific directions There may be some illusion about the height of the ground and the distance at night so keep the light on and drive at proper speed Keep the front and rear head light and working light on when working in dark areas 5 6 Pay Attention to Blockages 5 7 Driving in Dangerous Conditions If there are blockages roof of buildings or the door frame keep the loader away from the blockages when turning or passing Notice the environment Slow down and check whether there are some blockages when turning or going through a narrow passageway Operate carefully to prevent unstable loads when the ground is uneven and the load is not stable Do not operate when you are unsure about the environment Investigate the condition of the road the strength of the bridge landform of the working area and all geologic features before working Pay attention to the depth that the tires sink and the braking effect on muddy or soft ground When working in water or swampland prevent the bottom of the axle housing from being soaked Slow down after passing through water or during rain Step on the brake pedal gently and alternately to let the skid device dry after working in water or in rain The clay piled on the ground or near the canal is usually soft Never allow a turn over caused by the weight or vibration of the loader Never drive the machine near hanging things or close to a deep ravine
129. turned off and the working equipment must be locked if people have to work between the moving components Make sure the supporter and the accessories are correctly set when some one works under the machine Do not use the hydraulic tank as support The accessories may go down and result in an accident when the control system moves or the hydraulic tubes leaks Never do any adjustments when the machine is operating or the engine 1s working unless there 1s an outstanding reason such as an emergency Stay far away from any rotating and moving parts Make sure there 15 no sundry on the vane of engine Vane could shoot off or cut off the sundry tools inside Do not try to check or maintain a working engine because it is dangerous 16 Operation amp Maintenance Manual LG918 Wheel Loader 3 8 Notice of Attachment Please read the user manual for all of the attachments and the contents in the manual that refers to an attachment when the attachment 1s being assembled and used Do not use attachments that are not sold by Shandong Lingong Construction Machinery Co Ltd or the sellers specified by Shandong Lingong Construction Machinery Co Ltd Using unauthorized attachments may cause safety problems and go against the normal operation of the machine which can influence the service life of the machine Shandong Lingong Construction Machinery Co Ltd assumes no responsibility for any injury accident or destr
130. ual Engine is shut up when the machine is working Pull the operation handle to neutral positio turn the starting switch to ON to restart the engine If the engine is normal it is allowed to continue to work If the engine fails push the operation handle to floating position to lower the working devices on the ground slowly For the residual pressure in the system pull the boom and bucket handles back and forth 10 times until the pressure remained in the system is released radically then repair the machine 3 2 Starting 3 2 1 Check before Starting Check the bottom and surrounding of the machine to see whether there are lost of bolts dirt oil coolant leak or broken parts Check the status of accessories and hydraulic parts Check before Starting 1 Check the fuel in the fuel tank Refer to 3 6 2 Adding Fuel to Fuel Tank in this 67 Operation amp Maintenance Manual LG918 Wheel Loader chapter 2 Check the hydraulic oil in hydraulic oil tank Refer to 3 6 5 Adding Oil to Hydraulic Oil Box in this chapter 3 Check the engine oil in the engine oil pan Refer to 3 6 1 Fuel Supplying of Engine in this chapter 4 Open the water tank cover to check the water level 1n the water tank 5 Check the brake oil in the oil bowl of the brake booster pump 6 Check the seal ability of the oil pipe water pipe air pipe and other parts 7 Check the seal ability of the hydraulic pipes and the surrounding pipes 8 Check the wire con
131. ual LG918 Wheel Loader CE 100 ZONES 0 120 Yag Oe 9 C Se HET 1 Working Chronometer 2 Engine Water Temperature Gauge 3 Gearbox Oil Pressure Gauge 4 Torque Converter Oil Temperature Gauge 5 Brake Air Pressure Gauge 6 Right Turn Indicator Lamp 7 Preheating Indicator Lamp 8 Parking Brake Indicator Lamp 9 Charge Indicator Lamp 10 High Beam Indicator Lamp 11 Engine Oil Pressure Warning Lamp 12 Brake Air Pressure Warning Lamp 13 Left Turn Indicator Lamp Figure 3 3 General view of gauges 12 18 17 16 15 13 1 Gearbox Pressure Gauge 2 Air Pressure Gauge 3 Working Chronometer 4 Left Turn Indicator Lamp 5 Indicator Lamp 6 Revolution Indicator 7 Right Turn Indicator Lamp 8 Fuel Level Gauge 9 Engine Water Temperature Gauge 10 Torque Converter Oil Temperature Gauge 11 Starting Switch 12 Switch Group 13 Water Spraying Switch 14 Rain wiper Switch 15 Cover Board 16 Rear Headlight Switch 17 Front Headlight Switch 18 Rear Light Lamp Switch 19 Warning Lamp Switch Figure 3 4 General view of gauges with revolution indicator and fuel level gauge 5 Operation amp Maintenance Manual LG918 Wheel Loader 1 2 Introduction of Gauges amp Controls The introduction of gauges amp controls needed for operating the machine 1s below Be sure to understand their functions and methods for use 1 2 1 Vehicle Gauges and Lights Engine Water Temperature Gauge This gauge
132. uction of the machine induced by using unauthorized attachments 3 9 Notes when using FOPS amp ROPS cab Falling Object Protective Structuresabd and Roll Over Protection Structure Optioal Installing FOPS amp ROPS is to protect the workmen in order to prevent the falling objects and the roll over of the machine ROPS can not only bear the load when the machine rolls over but also aborb the impact energy Notice when using it If something is falling or the machine is damaged by the roll over its strength will be impaired which will not meet the requirement of abnormal protective functions In case that this circumstance happens contact with the dealers authorized by SDLG for the repair method Even though ROPS is installed the effective protection can be ensured only if the operators wear the seat belts Wear the safety belt when operating the machine Even though there is no abnormity replace the seat belt every 3 years It is prohibited to drill weld in ROPS in order to avoid damaging or lowing the strength of ROPS 4 STARTING SAFELY 4 1 Before Starting Engine 4 1 1 Safety Operation at Working Area Before starting operations thoroughly inspect the area for any unusual conditions that could be dangerous Examine the condition of the ground and the quality of the soil in the work area and determine the proper method of operation Before starting work the ground should be planed and pressed firmly If there 1s a lot of sand and
133. ug is closed after checking the oil level every time 3 6 4 Adding Oil to Axle D Oil Level Check Park the machine on level ground and put the transmission lever in the neutral position Pull the parking brake switch and wedge the front tire Loosen the oil inlet plug on the shells of the front and rear axles It 1s proper if the oil level is at the bottom side of the oil inlet otherwise please add axle oil Please watch for 5 minutes after adding oil If the oil level keeps stable please assemble the plug For selections of axle oil please refer to Bg CHAPTER IV 2 2 Selection of Oil Fuel and Coolant 8l Operation amp Maintenance Manual LG918 Wheel Loader 2 Oil Replacement Park the machine on level ground and run in idle status for about 10 minutes Trample the accelerator gently to move the machine slowly to let the oil drain plug on the wheel side of the front axle go to the lowest position Shut engine Push transmission lever in the neutral position Pull the parking brake lever and wedge the front and rear wheels Loosen the oil drain plugs on the two wheels on the end sides of the front axle and the oil drain plugs at the center bottom of the axle shell to drain oil to the container The temperature of gear oil may be high so wear protective clothes and operate it carefully to prevent injury Drain out all the old oil and screw tight the oil drain plugs at the cent
134. use Box 13 0 4 ze I leis ele Flashing Amber a 150 o o o o 0 o o o o o o o o o 6 1 TER 33 Y 10A 104 20A 104 SA 20 104 20A 10A 20A 20 20A 20A 10 20 30A 20 10A 104 204 0 e p Reserve Socket zm sj Cab Wiring Group le le oh il SuSE S S 9 s e 5 2 8 Security Locking Switch Locked e t e x elg g al el m s sl sl 000000000000 Gro 10 20 40 O cO OQ 10 01070 y ng ib x Sei ie lies Se IP 5 Moses er se lias eset a eee Locking Unit Heater Fin 0 Magnetic 11517 Replaceable Unit Heater Switch ighti 1 123 45 67 8 9 10 1112 123 4 5 67 8 9 10 ll 12 Ze eo Valve I ere Qp 5 2 6 Front Lighting Lamp o P pe T ESISA S Sm ex 6 2 5 a e i E 7 4 MNT 5 6 H m _ 1 m esL ir Conditidn eile aa aan a 4 0 0 EE a 5 asa 7 41 74 e Top Warning Lamp 3 30 If Asseabled 1 y 1 c 36 80 0 m 1 19 Defrosting Switch Locked 3 19 ing L Ni n o3 1 21 49 4 49 Defroster 11517 Lamp 4 01 ot 148 35 35 77 I eto Quick Changing Switch c n 07 T 50 50 I eie 15 7 2 2 65 65 65 i EIKI Replaceable 3 96 6 3 64 64 64 2 Ze I olo Radio or CD 0 4 4 4 60
135. xing of front and rear frame and sealing conditions And check whether there are overheating conditions Check whether the rim bolts transmission axis bolts and other pins are loose Add antifreeze if the temperature is below 0 drain the water out if there is no antifreeze Refer to 3 5 3 Operation in Cold Weather in this chapter Check whether the work equipment is in good working order Check whether the wheel pressure and outside surface are normal Add liquid oil to the adding points of work equipment Check the quantity of the brake oil by opening the oil bowl cover of the brake booster pump Drain the water in the air tank from the water outlet valve Clean the outside surface of machine and the inside of the bucket 3 5 Operations 3 5 1 Prepare to Work Clean the working area and fill up any hollow spaces Clear away the sharp stones and roadblocks that may break the wheels and operation 3 5 2 Modes of Work 1 Loading Operation Work together with a truck which can help improve working efficiency especially for long distance transportation When working together the loader digs the material and the truck transports and unloads the material There are generally two loading and unloading ways Cross Load The loader faces the material then it moves 72 Operation amp Maintenance Manual LG918 Wheel Loader backward after digging a full load and lets the auto unload truck move into th
136. y lead to fire so please do as follows Two operators are needed to start voltage raising start one sits on the operator seat Two machines are not allowed to touch when one is starting Turn off all the starting switches of the normal machine and the broken machine when connecting the voltage raising cable Connect the positive cable first when the voltage raising cable is connected Cut off the negative or ground cable first when the voltage raising cable 1s removed Connect the ground cable to the frame of the broken machine Connection should be as far as 39 Operation amp Maintenance Manual LG918 Wheel Loader possible away from the storage battery Do not let the voltage raising cables touch each other or let the clamp touch the machine when the voltage raising cable 1s removed 8 19 Maintenance and Storage of Tires 8 19 1 Maintenance of Tires The Explosion of a tire can push the parts such as tire rim and driving axle as far as 500m or more The explosion and the particles can lead to severe injury even death so please keep the pressure of the tire at the normal level Inflation pressure should not surpass the standing value The inflation pressure is shown in CHAPTER II 8 TECHNICAL PERFORMANCE amp PARAMETERS Driving at high speeds increases the temperature and therefore the pressure Never try to reduce the pressure but reduce the speed to cool the tire Continuous high speed driving can l

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