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KX080-3S Operator Manual

1. Hour meter indicator Ref No Check points Measures Interval 500 550 600 650 700 750 800 1000 page check Daily check 54 1 Coolant change every 2 years 75 2 Fuel check Daily check 54 check Daily check 55 3 Engine oil change O O every 250 hrs 67 check Daily check 56 4 Hydraulic oil change O every 1000 hrs 72 q Bucket and bucket link pin Dozer 5 Daily check 68 angle pin and 5 Grease front angle cylinder boss attachments Boom swing fulctu n O O O O O every 100 hrs 61 Others O O O every 250 hrs 68 6 Radiator and oil cooler Engine oil check Daily check 57 cooler 7 Washer liquid check Daily check 58 8 Engine and electrical wiring check Daily check every year 58 9 Fuel tank Water separator drain O O O O O O O O every 50 hrs 59 59 10 Battery condition check O O O O O O O O every 50 hrs 60 11 Greasing swing bearing teeth O O O O O O O O every 50 hrs 61 check Daily check 56 12 V belt tension adjust O O O every 200 hrs 62 check every 200 hrs 63 13 Radiator hoses and clamps O O O E replace every 2 years 74 clean every 200 hrs 63 2 Air filter Outer element O O O 2 4 element replace every 1000 hrs 73 2 Inner element replace O every 1000 hrs 73 2 15 Greasing swing ball bearing O O O every 200 hrs
2. 1BAAABSAP052A 1BAAABSAP048B 1 Oil filling plug 2 Hydraulic tank cover 3 Suction filter 4 Drain plug 7 Fill oil through the oil filling opening on the top side of the tank 8 Let the engine run and operate the boom arm bucket and boom swing device Then bring the boom to the highest position pull the arm bucket inward and boom swing left end 1BAAABSAP053A REGULAR CHECKS AND MAINTENANCE WORK 73 9 Fill oil again up to the center of the gauge Hydraulic 75L Hydraulic tank oil volumes i Whole oil 146 L volumes 10 Install the hydraulic tank cover and tighten the oil filling plug WHydraulic Oil Check with Hydraulic Hammers The hydraulic oil change after 1000 operating hours in the operator s manual is based on normal excavator work Following inspection measures are valid when hydraulic hammers are used 1 Changing and filling up of hydraulic oil 1 The hydraulic oil must be changed more often when hammers are used because the machine is subject to harder conditions than normal excavating work 2 Use only the recommended oils mentioned in the operator s manual when changing or filling with oil 3 When filling up oil do not mix oils of different makes 2 Changing the return filter cartridge and oil 1 The filter cart
3. First operation The message appears The message shows up as follows 1500 HR TBAAAAQAP0590 The message reappears on the hour meter designated next NOTE e The maintenance message disappears automatically in about 10 seconds When the key is turned from OFF to RUN the maintenance message reappears and disappears again automatically in about 10 seconds When the display selector switch of the panel is pushed for more than 3 seconds the message disappears In case the service hour meter replaced due to any trouble with it the meter is set to 0 Contact your KUBOTA dealer for details 86 OPERATION UNDER COLD WEATHER CONDITIONS OPERATION UNDER COLD WEATHER CONDITIONS PREPARATION FOR OPERATION IN COLD WEATHER 1 Replace engine oil and hydraulic oil with those of viscosities suitable for cold weather 2 In cold weather battery power drops and the battery fluid may freeze if the battery is not sufficiently charged To prevent the battery fluid from freezing be sure to keep the battery charged at least 75 or more of its capacity after operation To ease next starting it is recommended to keep the battery stored in closed or heated rooms If the battery fluid level is too low do not add after operation but add with the engine running before the next operation 3 Add anti freeze to coolant in the radiator and recovery tank if the ambient temperature is expected to drop
4. 6 7 Keep all safety equipment and covers in place Replace damaged or missing safety devices Do not operate the excavator while putting out the hands and the body from the windows Do not touch the control levers and the pedals from outside the cab during the engine running 8 SAFE OPERATION amp 3 Precautions against tipping over Keep away from steep slopes and embankments Do not swing the bucket downhill Lower the dozer during digging Keep the bucket as low as possible while driving uphill Turn slowly on slopes at reduced speed Do not place the excavator near the edges of trenches and banks as the earth can give away due to the weight of the excavator ALLOWABLE CLIMBING ANGLE 36 20 deg ALLOWABLE ANGLE IN CASE OF CROSSING SIDEWAY 27 15 deg Watch out at all times for the area to which the excavator is being moved Pay attention to any hindrances 10 Keep enough distance from trench and bank edges 4 Safety for children Tragedy can occur if the operator is not alert to the presence of children Children generally are attracted to machines and the work they do 1 2 Never assume that children will remain where you last saw them Keep children out of the work area and under the watchful eye of another responsible adult Be alert and shut your machine down if children enter the work area Never carry children on your machine There is not a safe place for them to ride Th
5. Inspection Interval Check points Daily Checks Oil leak at fuel and hydraulic hose connections and points Every month Oil leak at fuel and hydraulic hose connections and points Damages at fuel and hydraulic hose cracks chafing Every year hoses Oil leak at fuel and hydraulic hose connections and points Interference deformation degradation twist and other damages cracks chafing of fuel and hydraulic List of important component parts No Component parts Used place Q ty Period Fuel hose Fuel tank Water separator Water separator Fuel Pump Fuel filter Fuel pump Fuel pump Fuel nozzle Fuel nozzle Fuel tank Hydraulic hose suction Tank Pipe Suction Pipe Suction Main Pump Hydraulic hose delivery Main pump Control valve Main pump Pilot filter Pilot filter Unload valve Hydraulic hose Boom cylinder Control valve Boom cylinder Shut off valve Hydraulic hose Arm cylinder Control valve Pipe Boom Pipe Boom Arm cylinder Hydraulic hose Bucket cylinder Control valve Pipe Boom Pipe Boom Bucket cylinder Hydraulic hose Swing cylinder Control valve Swing cylinder Hydraulic hose Dozer cylinder Control valve Rotary joint Rotary joint Pipe Pipe Dozer cylinder Hydraulic hose Service port Control valve Pipe Boom Pipe
6. 1 Dozer control lever A Raise B Lower 1BAAABSAP026A A Raise B Lower EXCAVATOR OPERATION 25 Drive Levers Right Left A WARNING To avoid personal injury or death e Ifthe swing frame has been turn 180 deg i e the dozer in relation to the operator s seat is behind then the travel direction is opposite to the drive direction of the levers when activating the drive lever forward the machine in relation to the operator s seat will move backward Pushing the drive lever forwards moves the excavator forwards and vice versa The front of the excavator is the side where the dozer is located the drive sprocket is in the rear of the excavator at to or y E 1AAABANAP001A 1 Drive lever left A Forward 2 Drive lever right B Backward C Straight 26 EXCAVATOR OPERATION Travel Speed Switch Travel speed will increase when this switch is pushed down Switching the dual travel speed 1 Press the travel speed switch The buzzer beeps twice and the travel speed changes from first speed to second The ed symbol lights up 2 Press the travel speed switch again and the buzzer beeps once and the travel speed changes from second speed to first The symbol light goes out 1 Travel speed switch 2 Speed indicator light NOTE e When activating the travel speed switch
7. 4 x H or more 1BAAABSAP131B TRANSPORTING THE EXCAVATORONAVEHICLE 45 3 For additional safety use blocks or supports under the ramps and the bed 1BAAABSAP131A 4 Completely align the ramps and the tracks and then drive the excavator slowly up the ramps After ensuring that the tracks are completely on the bed swing the upper body around to the back of the vehicle 5 Lower the dozer onto the bed 6 Pull in the bucket and arm completely Then lower the boom 7 Stop the engine release pressure trapped in the hydraulic system and remove the key Raise the lock lever 9 Block the tracks with blocks and tie down the excavator 00 1BAAABBAPO96A A Tie down point 1BAAABSAP006A 1 Cable or strap 2 Block E Towing the machine A CAUTION To avoid personal injury Use a shackle and slings or wires that are strong enough to tow the machine Before using them make sure they are not cracked or damaged e A towing is only allowed over a short distance and at walking speed 1 Attach the tow bar or towing rope to the hook on the excavator and to the pulling vehicle The tow bar should be mounted at a right angle to the vehicles 2 The operator must be seated during the recovery procedure 3 Drive slowly with the tractive vehicle to avoid abrupt loads 1BAAABSAPO07A 1 Hook 46 a 1 2
8. NOTE e When pulling in the arm the movement may stop for a short moment when the arm is in its vertical position This is caused by the combined load of the arm and bucket moving the cylinder piston away from the hydraulic flow causing a delay in the cylinder action until the flow catches up with cylinder piston This is a characteristic of the hydraulic system and is no sign of a malfunction Pattern B Pattern A 1BAAABSAP029C 32 EXCAVATOR OPERATION OPERATION OF THE BUCKET To dig using the bucket move the right attachment control lever from the neutral position left Moving the control lever right moves the bucket outwards and empties its contents 1BAAABSAP029D UNIT SWING AND BOOM SWING OPERATION A CAUTION To avoid personal injury e When working in groups always let the others know what you are going to do before you do it Keep others away from the machine working area e Be sure to lock the boom swing pedal when the boom swing function is not used MUnit Swing Operation 1 Move the control lever to the left and the upper structure will turn to the left 2 Move the control lever to the right and the upper structure will turn to the right 1BAAABFAP001Q 1BAAGAAAP044A Boom Swing Operation 1 Flip the pedal lock up to unlock the pedal 2 Step on the left side of the pedal to swing the boom t
9. 13 14 15 16 17 4 INSTRUMENT PANEL AND CONTROL ELEMENTS INSTRUMENT PANEL AND CONTROL ELEMENTS E Instrument Panel Switch N IL YO AAA ND 9 1BAAABFAP029A 1BAAABFAP008E DEPICTED CONTENTS 1BAAABBAP076A 1 Second service port switch 10 Switch for Auto idle control 2 First service port switch 11 Wiper Washer switch 3 Horn switch 12 Cab light switch 4 One way hold lock switch 13 Overload warning switch 5 Travel speed switch 14 Warning lamp 6 Beacon light switch 15 LCD display 7 Starter switch 16 Working light switch 8 Speed indicator light 17 Service port activation switch 9 Flow volume setting switch 18 Display selector switch INSTRUMENT PANEL AND CONTROL ELEMENTS 5 E Control Pedals and Levers Edi 1BAAABFAP029B DEPICTED CONTENTS 1 Drive lever left 2 Lock lever 3 Control lever for front attachments left 4 Drive pedal 5 Drive lever right 6 Control lever for front attachments right 7 Dozer control lever 8 Throttle potentiometer 9 Boom swing pedal IMPORTANT x When the lock lever pulled up prevents inadvertent machine movement 6 CHECKS BEFORE START CHECKS BEFORE START DAILY CHECKS In order to avoid damage it is important to check the condition of the excavator before starting A CAUTION To avoid personal in
10. 1 Air filter O O O y replace O every 1000 hrs 2 2 Air conditioner condenser clean O O O every 200 hrs 66 check every 1 year 74 3 Air conditioner pipes and hoses replace every 2 years 74 4 Refrigerant gas check service as required 77 IMPORTANT First operation 4 When using a hydraulic hammer change hydraulic oil and return filter according to the table on Hydraulic Oil Change Including Exchange of the Suction Filter in the Hydraulic Tank under EVERY 1000 SERVICE HOURS in the chapter REGULAR CHECKS AND MAINTENANCE WORK 2 Clean and replace the air filter more frequently if used under dusty conditions When the filter is very dirty from dusty conditions replace the filter 3 Replace only if necessary 4 Consult your local KUBOTA Dealer for this service e The items listed above marked are registered as emission related critical parts by KUBOTA in the U S EPA non road emission regulation As the engine owner you are responsible for the performance of the required maintenance on the engine according to the above instruction Please see the Warranty Statement in detail OPENING AND CLOSING OF PARTS MOpening Closing of the Fuel Tank Cover Insert the key into the key slot and turn it clockwise to unlock it Then press the button to open the tank cover To close it lower the tank cover and push it tightly Turn the key counterclockwise to lock the tank cover n W O
11. 1 Wiper switch Minterior Lamp To turn on the interior lamp set the interior lamp switch to the ON positions 1BAAABDAP047A 1 Interior lamp A ON B OFF Beacon Light Switch 1BAAABFAP029C 1 Beacon light switch It is equipped only with the switch including the coupler for connecting in a rear left speaker Since it isn t equipped with the beacon main part please install when required CHECKS BEFORE START 7 Overload Warning Switch A WARNING To avoid personal injury or death Continuing to apply the load after the overload warning horn sounds could result in the machine tipping over If the buzzer sounds stop operating the machine and lighten the load When excavator is used in object handling operations set the overload warning switch to the ON position If a weight greater than the machine is designed to lift is lifted the overload warning device is activated and a buzzer is sounded 1BAAABFAP008C 1 Overload warning switch MW Cab Light Switch To turn on the cab light set the starter switch to the RUN and then the cab light switch to the ON positions respectively 1BAAABFAPO08B 1 Cab light switch 8 CHECKS BEFORE START Working Light Switch When the starter switch is in position RUN the light s will be switched on by pressing the switch 1BAAABFAPO29L i
12. 1BAAABBAP108A 1 Grease gun 2 Cover A OPEN Take note storage direction of greased gun in above illustration MWhere to keep Operator s Manual 1BAAABVAP138B 1 Operator s manual storage H Utility Box 1 Open the rear cover 1 Utility box 1BAAABFAP094A MAINTENANCE 53 WCup Holder 1BAAABFAP094B 1 Cup holder M Where to Store the Fire Extinguisher 1 Fire extinguisher 54 MAINTENANCE DAILY CHECKS A CAUTION To avoid personal injury e Do not operate the excavator while putting out the hands and the body from the windows e Do not touch the control levers and the pedals from outside the cab during the engine running For your own safety and to assure the long life of your machine a careful check should be made before each operation Checking Coolant Level A CAUTION To avoid personal injury e Move the excavator to even ground Make sure that the engine is turned off e Do not open the radiator cap right after the engine has been stopped Serious burns can occur from contact with escaping hot coolant fluid e Check the coolant level in the recovery tank only after the engine has cooled down Remove the radiator cap only if absolutely necessary The radiator has a recovery tank Should the coolant level in the radiator sink the water will be automatically be forwarded to the radiator Open the side cover See Openin
13. 49 6 66 5 Rated speed rpm 2000 Unit swing speed rom 9 5 Travel Fast km h 4 9 speed Slow km h 2 7 Ground kPa Performance pressure kgf cm 36 0 36 2 27 6 With operator 0 367 0 369 0 281 Climbing angle deg 36 20 Angle in case of j crossing slope deg 27 15 Dozer Width x Height mm 2200 x 500 Left rad deg 1 22 70 Boom swing angle Right rad deg 1 05 60 Max displacement Pressure Theoretical 100 connection L min for attachments Max pressure Mpa 20 6 kgf cm 210 Fuel tank capacity L 115 NOTE Above dimensions are based on the machine with KUBOTA original bucket and 2100 arm Specifications subject to change without notice With unloaded digging bucket Operators must exercise extra caution and follow instructions in the operator s manual Worse condition or heavier attachment to the above will decrease climbing angle o x Firm compacted soil x x DESCRIPTION OF MACHINE PARTS DESCRIPTION OF MACHINE PARTS O 2 Up a ce o NN Ci SERP CY Ss 8 1BAAABSAP002A 3 DEPICTED CONTENTS 1 Arm 2 Bucket cylinder Bucket link 2 and 3 Bucket link 1 Bucket Boom cylinder Dozer cylinder Dozer blade Arm cylinder Boom Working light Cabin Operator s seat Swing bracket Track Drive sprocket 3 4 5 6 7 8 9 1 1 1 1 1 1 1 17 Front idler 2 8 4 5 6 7 8 9 10 11 12
14. LIFTING OF THE EXCAVATOR LIFTING OF THE EXCAVATOR A DANGER To avoid serious injury or death The correct instructions for safe handling are described here Read these instructions carefully before moving the machine Make sure that the operating personnel read the operator s manual carefully Basics when Lifting with Cables or Straps The lifting and crane operation is to be undertaken according to the safe operation guidelines described The equipment used for lifting mentioned in these instructions are only given as reference the standards concerning strength control and other details are based on the respective applicable guidelines Safety Aspects when Lifting with Cables or Straps Abide by following steps when lifting 1 2 3 al Do not lift loads that exceed the maximum load capacity of the crane Choose correct equipment suitable to the weight size and form of the load First assess the center of gravity of the load position the hook directly over the load and lift the load so that the center of gravity of the load is as low as possible The steel cables or straps must be fixed in the middle of the hook The load must be lifted vertically from the ground Do not enter the working area under suspended loads and do not move the load over people The load must only be moved in an area where the balance can be easily maintained E Lifting Procedure for the Excavator 4h WARNING To a
15. When the fuel supply pump is used be sure to open the fuel tank cap Stop the engine and remove the key before fuelling Do not smoke while fuelling This device automatically supplies fuel to the fuel tank and stops automatically when the fuel tank is full 1 Open the tank cover See Opening Closing of the Fuel Tank Cover in MAINTENANCE section 2 Open the fuel tank cap 1 3 Insert the pump s nozzle 2 in the fuel supply tank 4 Push the switch black button 3 The pump stops automatically once the fuel tank is full To stop the pump on the way the switch red button 4 is pushed 1BAAABBAP020C 1 Fuel tank cap EZ 4 al j a DON P 3 0 lt lt MA SJ ee 1BAAABBAP023A Sets DS lt Q 3 Switch black button 4 Switch red button OPERATION OF THE ENGINE 19 Checkpoints after Starting the Engine After starting the engine but before starting operation check the following points 1 Put the throttle potentiometer in the middle between gg and gt symbols and let the engine idle for approx five minutes This allows the engine lubricant to warm up and penetrate every part of the engine NOTE e This idling is usually called Warm up 2 Once the engine has warmed up check e the warning lamp Engine oil pressure has gone out e the warning lamp Battery charge goes out when engine speed is increased e the color of the e
16. 1BAAABBAPO73E 1BAAEAJAPOG9A 3 Part No RC108 5714 1 4 Part No RD809 5737 1 A CAUTION ACAUTION TO AVOID PERSONAL INJURY 5 NEVER OPEN BEFORE O e STOPPING ENGINE A 1BAAGAAAP0260 STOP 2a Y TO AVOID PERSONAL INJURY Do not open engine hood before stopping engine Only when engine does not stop with the key open engine hood Pull back the stop button and hold it until the engine stops 1BAAABBAP123E QS 1BAAABSAP014A 1BAAABFAP0O900 1 Part No RD809 5765 1 Va S HAND RAIL A CAUTION TO AVOID PERSONAL INJURY MOUNT AND DISMOUNT SAFELY WHEN ENTERING OR LEAVING THE OPERATOR S COMPARTMENT Maintain a three point contact with the steps and handrails Face the machine Never jump on or off the machine Never attempt to mount or dismount a moving machine Never use control levers as handles 1BAAABBAP122E 3 Part No RD819 5757 3 A WARNING oad peopl TO AVOID PERSONAL INJURY OR DEATH Do not move se ad over people acity tables o d ol e ues in to the front bolt part of the arm Blade down ling and other lifting for the loads LIFTING CAPACITY LIFTING CAPACITY LIFTING CAPACITY LIFT OVER FRONT OVER FRI
17. Storage 1 Wipe off the grease from the hydraulic cylinder rods 2 Turn on the engine and operate the attachments and the drive mechanisms under no load in order to circulate the hydraulic oil If the machine is stored for longer than one month do steps 1 and 2 once every month 88 LONG STORAGE Periodic replacement of important component parts To ensure safety in operation you are strongly requested to inspect and service the machine at regular intervals For added safety ask your KUBOTA dealer to replace the following important component parts These parts are prone to degradation in material or subject to wear and tear with time It is difficult to judge how much they have been affected at regular inspection It is therefore necessary to replace them with new ones whether wear is visible or not after a specified time of use If any of them is found worn even before the specified use it must be repaired or replaced the same way as other parts If any of the hose clamps is found deformed or cracked the hose clamp must also be replaced For the hydraulic hoses other than the ones to be replaced periodically inspect them for the following points If found unusual tighten them up replace them When replacing the hydraulic hoses change their O rings and sealings with new ones For replacement of the important parts contact your KUBOTA dealer e At the following periodic inspections check the fuel hoses and hydraulic hoses as well
18. a piece of wood or cardboard It is strongly recommended to use a face mask or eye protection Should injuries occur with leaking hydraulic fluid contact a doctor immediately This fluid can cause gangrene or serious allergic reactions 1AAABANAP024A 10 To avoid environmental damage from acid and heavy metals do not throw the battery away 11 Observe all laws and regulations concerning the disposal of used oil coolants solvents hydraulic fluids battery acids and batteries 12 To avoid fire do not heat the hydraulic components tanks pipes hoses cylinders before they have been drained and washed 13 Use a face mask or eye protection to protect the eyes and respiratory system against dust and other foreign particles a T 1AAAAABAP002A 14 Securely support excavator with stands or suitable blocking before working underneath For your safety do not work under any hydraulically supported devices They can settle suddenly leak down or be accidentally lowered 4 6 SAFE OPERATION 15 Do not dismantle the spring of the track tensioner If dismantling is necessary contact your KUBOTA dealer where the machine was purchased or competent service shop The assembly must be done according to the work shop manual of KUBOTA W S M for the product involved 16 When lifting the machine itself with an attachment place a safety block or safety post to prevent the machine from turning over Keep the lock lever fo
19. a person could accidentally touch the levers and cause serious accidents 1 After slowing the engine to idle turn the key to STOP 2 Remove the key Engine Stop Button 4h CAUTION To avoid personal injury e Keep hands away from rotating parts IMPORTANT e Be sure to return the stop button to former position after the engine stops The engine stops when the key is turned off If the engine does not stop open the engine hood See Opening Closing of the Engine Hood in MAINTENANCE section and pull back the stop button and hold it until the engine stops Oo e a 9 a Bes A 1BAAABSAP023A 1 Stop button STARTING WITH AN AUXILIARY BATTERY A CAUTION To avoid personal injury e Battery gases can explode Do not smoke and keep sparks and flames away e Do not start the engine with an auxiliary battery if excavator battery is frozen e Do not connect the black jumper cable to the negative terminal of the excavator battery Observe Following Guidelines when Starting with an Auxiliary Battery 1 Bring the helping machine with the same battery voltage as near as possible to the machine THE MACHINES MUST NOT COME IN CONTACT WITH EACH OTHER 2 Bring the levers and pedal of both machines in the neutral position 3 Wear eye protection and rubber gloves 4 Ensure the vent caps are securely in place if equipped 5 Connect the terminal of th
20. aag E 0 lt q 1BAAABBAPO19A a 1 Key A LOCK 2 Tank cover B UNLOCK 3 Stay 1BAAABBAP020B 1 Fuel tank cap 2 Air vent MAINTENANCE 51 MOpening Closing of the Engine Hood A CAUTION To avoid personal injury e Do not open the engine hood with the engine running unless in an emergency Do not touch the exhaust muffler or the exhaust pipe serious burns can occur Insert the key into the key slot and turn it clockwise to unlock it And press the button to open the hood To close the hood push down it until it locks automatically Turn the key counterclockwise to lock the hood 1BAAABSAP014B _ 1 Key A LOCK B UNLOCK 52 MAINTENANCE MOpening Closing of the Side Cover 1 Open the engine hood 2 Raise the catch lever to unlock the side cover 3 Push the side cover all the way forward and it will be held by a link 4 To close it pull the side cover all the way back and pull down the catch lever to lock the side cover D OO Ra 1BAAABSAPO66A A 1 Catch lever 2 Side cover 3 Hood HWhere to store the Tool 1 Open the side cover 2 Store the tools in the storage box 1BAAABBAPO33A 1 Box for storage Mi Where to store the Grease Gun 1 Open the cover 2 Store grease gun
21. arm Hydraulic oil level too low Add oil bucket drive swing and dozer Leakages of hoses and Replace hose or joint System ai 7 wing motor an ae 7 front attachment eee HALOLI Bring lock lever into UNLOCK position does not work p Drive Deviation of Blocked through stones Remove System drive direction Track too loose or too tight Adjust accordingly Al System macaan Fuse in fuse box defective Replace the fuse light flashes 84 TROUBLESHOOTING KUBOTA I C S NAVIGATION LIST OF MESSAGES If an error occurs with the machine one of the following messages appears in the LCD display In case of a trouble immediately contact your local dealer for inspection and repair Warning Problem or failure Machine behavior Message oe Correction lamp Color what happened provisional measure Fuel yellow Fuel running out Add fuel The engine may be seized failing Freire oi She P ae EN oo Immediately stop the to restart the 5 SAPDESA re clogged or engine oi engine engine shortage Immediately contact your local dealer for repair Check the V belt When the belt is in medial ii E ee Charging line in trouble good condition keep flat aa nee TBAAAAQAPOS6A Charging failure running until the y a dealer for repair battery becomes dead If the message Do not start the Goss mol engine on 24V line iS High Voltage 24V line engine startup repair is needed
22. aun diosa te 75 Replacing Fuel Hoses and Clamps 0ocoooccoccccciconiccncnnccnnnnnnncnnnnnnn cnn nn nnnrnnnnnnnnnnnrnnnnmn renos 76 Replacing Intake Air IMG sd da 76 SERVICING AS REQUIRED on AA A waa Paleo 17 Checking Amount of Refrigerant JAS s cceccceceeeeeeeeeseenen eens eeeeeeeeseeeeeeeeeeeeeteneetenes 77 OTHER ADJUSTMENTS AND REPLACEMENTS 2 ccceceeeeeeeeeeeeeeeeeteneeeeeneees 78 PURGING OF THE FUEL SYSTEM viii a obio 78 ADJUSTMENT OF TRACKS naa naa 78 Special Information when Using Rubber TracKkS oooccccccononooccccccccconanonanccnnnnnnnnnnnnnnnnnnns 79 CHANGING THE BU GKE Tira s 80 FUESE dd 80 Replacing FUSES ua eater 80 Fuse Capacities and CCU S a aaa a nn cnn nr nr 80 Auxiliary ElECtriC ii at 81 Slow Blow RUSO ui A Ia 81 TROUBEESHOOTING art AN ARS AS 82 KUBOTA 1 C S NAVIGATION LIST OF MESSAGES ccccoccococcooonaononnnnnnnnnnnnnnnnnns 84 OPERATION UNDER COLD WEATHER CONDITIONS cooooocccnnncnnncncnnncnnnnnnnnnnnnnnnns 86 PREPARATION FOR OPERATION IN COLD WEATHER ccececeeeeeeeeeeeee 86 PROCEDURE AFTER DONE WORK 0 ccccccccececccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeesenaaeees 86 LONG STORAGE x25 int aloha a a A A ect 87 RECOMENDED OlL Sta ea 89 APRENDICES A A A A E EA 91 MAIN DIMENSION Scouse 91 LIFTING CAPACI icon 92 SAFE OPERATION amp 1 4h SAFE OPERATION The best insurance against accidents is to abide by the safety regulations Read and understand this section caref
23. below 0 C 32 F Mixing ratio of water and anti freeze depends on the expected ambient temperature When mixing stir it up well and then fill into the radiator Mixing ratio between water and anti freeze Ambient CG 5 10 15 20 25 30 35 Temperature F 23 14 5 4 13 22 31 Antifreeze 30 30 30 35 40 45 50 Water 70 70 70 65 60 55 50 IMPORTANT Use permanent anti freeze or long life coolant e Drain the coolant completely and clean the inside of the radiator then fill with the water and anti freeze mixture e The anti freeze acts as an anti corrosive it is not necessary to add an additive to the water and anti freeze mixture O See Coolant check under DAILY CHECKS in MAINTENANCE for radiator fill volumes PROCEDURE AFTER DONE WORK Clean the excavator thoroughly after work and wipe dry Otherwise mud and earth on the tracks could freeze if the temperature drops below the 0 C 32 F mark Operation of the excavator is then not possible Store the excavator in a dry place if not possible store on wooden planks or on mats If the excavator is kept on damp or muddy ground the tracks could freeze overnight Operation of the excavator is then not possible Furthermore the reduction gear may be damaged Additionally the piston rods of the hydraulic cylinders must be rubbed dry Otherwise severe damage could occur if dirty water seeps
24. bucket inward and boom swing left end Then lower the dozer on the ground and stop the engine 1BAAABDAP013B _ Nin 1 Gauge 2 Oil filling plug 1BAAABSAPOS3A MW Checking V belt 2 Check the oil level as to whether it lies on the center of 4h the gauge at normal temperature 10 to 30 C 50 to CAUTION 80 F To avoid personal injury e Stop the engine and remove the key before checking the V belt Check the V belt for cracks and proper tension See Adjusting V belt Tension in REGULAR CHECKS AND MAINTENANCE WORK section 3 Enough oil is present if the oil level lies near the center of the gauge 4 Should the oil level be too low loosen the oil filling plug gradually to release pressure in the tank then fill up with oil through the oil port Greasing Bucket Pin and Bucket Link Pin A CAUTION To avoid personal injury e First lower all attachments on the ground then stop the engine and remove the key e While greasing take care not to step on the bucket teeth IMPORTANT When doing excavation work in water generously grease the following points After ending work grease again Grease the marked grease nipples shown by arrows in the illustration below 1BAAABSAP036A 1 Bucket link pin 2 Fixing pin between arm and bucket MAINTENANCE 57 MW Checking Radiator and Oil Cooler A CAUTION To avoid personal injury e Always stop the engine and remove
25. check the electrical circuits for trouble and then replace with a new compatible slow blow fuse A 100A Alternator B C 30A Fuel Supply Pump D 60A Main Power Replacement procedure 100 Amp Slow blow fuse 1 Disconnect the negative cord of the battery 2 Remove the slow blow fuse case E E i eS 1BAAABSAP075B 1 Slow blow fuse case 3 Open the slow blow fuse case cap and cover then remove the bolts and draw out the slow blow fuse A 1BAAABSAP074A 1 Slow blow fuse case cap 2 Cover 3 Bolt 4 Slow blow fuse A 82 TROUBLESHOOTING TROUBLESHOOTING If the excavator does not show the desired performance or when trouble arises refer to the table below and undertake appropriate measures Engine Trouble Cause Countermeasure FOCK LEVETS M NEOGI iiy Bring lock lever into LOCK position position Check fuel tank and filter Fuel is too viscous Remove impurities and water If necessary replace filter Remove water from the fuel tank Starting At orwateiin thefu i Check fuel pipe joint bolts and nuts for looseness difficulties system Purging of the fuel system for fuel filter and injection pump see PURGING OF THE FUEL SYSTEM in the chapter OTHER ADJUSTMENTS AND REPLACEMENTS Oil viscosity is too high the engin
26. emergencies It will partially charge the battery at a high rate and in a short time When using a boost charged battery it is necessary to recharge the battery as early as possible Failure to do this will shorten the battery s service life 5 When the specific gravity of electrolyte falls between 1 27 and 1 29 charge has completed 6 When exchanging old battery for a new one use battery of equal specification MW Greasing Swing Bearing Teeth 1 Pump grease with the grease gun through the grease nipple 2 Grease at each 90 1 58 rad position of the swing frame 3 Fill with approx 50g of grease approx 20 to 30 pumps with the grease gun at each position Distribute the grease over the teeth A 1BAAABBAPO35A 1 Grease nipple for swing bearing teeth EVERY 100 SERVICE HOURS MGreasing Boom Swing Fulcrum Grease the marked grease nipples shown by arrows in the illustration below a 1BAAABBAPO90A 1 Boom swing fulcrum 62 REGULAR CHECKS AND MAINTENANCE WORK EVERY 200 SERVICE HOURS Do all 50 and 100 hour servicing at the same time H Adjusting V belt Tension A CAUTION To avoid personal injury e First stop the engine and remove the key e After servicing make sure to replace the belt cover in its original position 1BAAABSAPO65A 1BAAABSAP064A V belt 1 Alternator belt 2 Fan belt Checking and adjustment of the alternat
27. it must be pushed down completely e Each time the travel speed switch is pressed the travel speed is switched between first and second IMPORTANT e lt automatically changes into first speed low speed when the drive resistance grows while traveling second speed high speed Thereafter when the resistance lightens it returns to second speed e l the tracks are clogged with sand or gravel while working on soft ground lift up the track with the help of the boom arm and bucket and let the track rotate to remove the sand and gravel A Rotate to remove sand and gravel A DANGER To avoid serious injury or death e Do not work under the machine in this condition EXCAVATOR OPERATION 27 TU RNS 2 While travelling backward bring the left drive lever into the neutral position A the excavator will turn in the direction of the arrow of CAUTION the illustration below To avoid personal injury e Do not change direction on steep slopes or the excavator could tip over e Before changing direction beware of people in the work area Pivot Turn NOTE Movement as illustrated is done with the dozer blade in front of the operator Change of Direction while Travelling 1 While travelling forward bring the left drive lever into the neutral position 1AAABANAP0030 the excavator will turn in the direction of the arrow of the illustration below B Travelli
28. sound the horn to get the attention of Start the engine in the following manner Before starting the engine make sure that all control levers are in the neutral positions persons standing nearby 4 1 Horn switch 1BAAABFAPO001E 1 Drive lever left IMPORTANT 2 Drive lever right e Do not use starting fluid or ether 3 Attachment control lever left e in order not to overload the battery and starter avoid 4 Attachment control lever right engaging the starter more than 10 sec 5 Lock lever When engine does not start in 10 sec please wait 20 sec or more before attempting to restart NOTE e If you keep the attachment lock lever at UNLOCK and try to get the engine started Lift up unload lever appears on the meter panel and the engine cannot be started Before staring the engine make sure the attachment lock lever is set at the LOCK position 3 u unload lever 14 OPERATION OF THE ENGINE 2 Pull the lock lever all the way back lock position 3 Put the throttle potentiometer in the middle between el and 4 symbols The switch for Auto Idle control is in the OFF position See AUTO IDLE Al OPERATION in the Excavator operation 1BAAABFAP029F 1 Throttle potentiometer 2 Switch for Auto Idle control 4 Insert the key into the starter switch and turn it to the position RUN The
29. the key before checking the radiator Oo Wear eye protection when cleaning with compressed air 1 Check if the fins and ribs are clogged If so clean with compressed air or steam 2 Check the rubber hoses for damage and replace if cracked or old Check if the hose clamps are tight enough 1BAAABSAP013A 1 Radiator 2 Oil cooler 1BAAABSAP037A 1 Engine oil cooler 58 MAINTENANCE 1BAAABSAP017A O 1 Rubber hoses and clamps IMPORTANT O Radiator and oil cooler fins and ribs must be clean in order not to overheat the engine and allow free flow of air through the cooling elements e Pressure of compressed air must be under 205 kPa 2 1 kgf cm MH Checking Washer Liquid If the windows washer is switched on with the washer liquid tank empty the motor may be damaged Always keep the tank filled 1 AR 1 Washer liquid tank MW Cleaning Pre Cleaner To clean the pre cleaner remove the wing nut and remove the pre cleaner bowl 1 Wing nut 2 Pre cleaner bowl A DUST LEVEL MW Checking and Cleaning Engine and Electrical Wiring A CAUTION To avoid personal injury Always stop the engine and remove the key before cleaning the wiring cables and engine Before starting check whether flammable substances have gathered on the battery the cables and wiring the muffler or on the engine Remove thoroughly Chec
30. through the seals LONG STORAGE 87 LONG STORAGE A CAUTION z avoid personal injury Do not clean the excavator with the engine running e To avoid the danger of exhaust fume poisoning do not operate the engine in a closed building without proper ventilation When storing remove the key from the starter switch to avoid unauthorized persons from operating the excavator and getting injured e Bring the excavator on a firm flat and level surface Lower the attachments and dozer blade on the ground E Should the Excavator be Stored for a Longer Period of Time Observe Following Procedures 1 The whole excavator should be cleaned thoroughly and in all cases stored indoors If the excavator has to be kept outdoors lay out wooden planks on even ground place the excavator on the planks and cover completely 2 Do an oil change and grease the excavator 3 Heavily grease the visible section of the cylinder rods 4 Remove the battery and store indoors 5 If it is expected that the temperature will sink below the 0 C 32 F mark add anti freeze or drain coolant completely IMPORTANT Wash the excavator after stopping the engine If you wash the excavator while running the engine splashing water gets into the air cleaner through its intake and cause engine damage Carefully wash and do not splash water over the air cleaner while the engine is running E Observe Following Procedures when the Machine is to be Operated after Long
31. 00 rpm Maximum cooling position rightmost Engine speed Temperature control lever Highest blow 3 ON Fan switch Aijr conditioner switch Look into the sight glass to see if the refrigerant is 2 flowing through its circuit 1 NI gt J O RI AE ae NE la la 2 r a E A q a H ae el it y EN a A x LZ ES pad SA 1BAAABSAPO356 HA EJ WY 1 Sight glass 78 OTHER ADJUSTMENTS AND REPLACEMENTS OTHER ADJUSTMENTS AND REPLACEMENTS PURGING OF THE FUEL SYSTEM 1 Fill up the excavator with fuel 2 Turn the starter key to the position RUN 3 The air in the fuel system will automatically be purged within one minute ae 1BAAABFAP029G 1 Starter switch A STOP B RUN C START IMPORTANT e If the purging was insufficient the engine dies right after starting In this case repeat steps 2 to 3 again ADJUSTMENT OF TRACKS To loosen the tracks follow the following procedure A CAUTION To avoid personal injury e Do not loosen the grease nipple completely or too quickly Otherwise grease under high pressure in the tension cylinder could squirt out e Do not crawl under the excavator Loosen the bolts and remove the cover Using a socket wrench loosen the grease nipple a few turns 3 When grease oozes out from the thread rotate the track and loosen the track in the lifted position see illustration Na
32. 1 Working light switch Night operation A CAUTION To avoid personal injury e Visibility is reduced in darkness therefore the working light alone may not be enough In which case prepare additional stationary artificial lighting observe safety rules as well as special regulations for night work moa e of CAB Door Unlock the CAB door and pull the knob Open the CAB door fully until fixed into place 2 To close the CAB door push the release lever down and close the door 1BAAABFAP093A 1BAAABDAP008A 1 Release lever 1 Door knob inside 3 When leaving the excavator always lock the door A Push down MOpening Closing of Front CAB Window A CAUTION To avoid personal injury Keep hands and feet away from the area between front window and cabin frame Otherwise the operator risks serious injuries by pinching or crushing Other persons should stay away when opening the window To open and close the front window take the steps below 1 Push the lock levers beside grip 1BAAABDAPO09A N 1 Lock lever 2 Grip 2 Hold the grips tightly with both hands Pull the grip slightly upward and toward yourself to let the windshield slide inward 3 Pull the windshield all the way to the lock at the back of CAB 4 To close the window take the reverse steps 3 2 and 1 CHECKS BEFORE START 9 A of Side CAB Window Pul
33. 64 16 Fuel filter cartridge replace O O every 500 hrs 70 17 Engine oil filter replace O O every 250 hrs 68 18 Drive unit oil change O every 500 hrs 69 19 Hydraulic return filter cartridge replace O every 500 hrs 70 20 Hydraulic suction filter element replace O every 1000 hrs 72 21 Filter in the pilot hydraulic system replace O every 1000 hrs 71 22 Fuel injection nozzle injection check every 1500 hrs 74 4 pressure 23 Front idler and track roller oil change every 2000 hrs 74 24 Alternator and starter motor check every 2000 hrs 74 25 Injection pump check every 3000 hrs 74 4 26 Radiator system rinse every 2 years 75 check every 200 hrs 65 27 Fuel line and Intake air line O O O replace every 2 years 76 3 50 MAINTENANCE Air conditioner Hour meter indicator Ref No Check points Measures Interval 50 100 150 200 250 300 350 400 450 page clean every 200 hrs 65 2 1 Air filter O O ud replace every 1000 hrs 2 2 Air conditioner condenser clean O O every 200 hrs 66 check every 1 year 74 3 Air conditioner pipes and hoses replace every 2 years 74 4 Refrigerant gas check service as required 77 Hour meter indicator Ref No Check points Measures Interval 500 550 600 650 700 750 800 1000 page clean every 200 hrs 65 2
34. 8 temperatures Shell Alvania EP2 Mobillux EP2 Light oil No 2 D ASTM D975 Fuel under 5 C Light oil No 1 D ASTM D975 90 RECOMMENDED OILS NOTE Engine Oil e Oil used in the engine should have an American Petroleum Institute API service classification and Proper SAE Engine Oil according to the ambient temperatures Above 25 C SAE 30 or SAE 10W 30 SAE 15W 40 0 C to 25 C SAE 20 or SAE 10W 30 SAE 15W 40 Below 0 C SAE 10W or SAE 10W 30 SAE 15W 40 e Refer to the following table for the suitable API classification engine oil according to the engine type with internal EGR external EGR or non EGR and the fuel except external EGR with external EGR KX080 3 Model Engine oil classification API classification Fuel used Oil class of engines except external EGR Oil class of engines with external EGR CF or Cl 4 a fe CF CF 4 CG 4 CH 4 or Cl 4 Class CF 4 CG 4 and CH 4 engine oils E pp cannot be used on EGR type engines EGR Exhaust Gas Re circulation The CJ 4 engine oil is intended for DPF Diesel Particulate Filter type engines and cannot be used on this machine 4 Fuel e Cetane number of 45 is minimum Cetane number greater than 50 is preferred especially for temperatures below 20 C or elevations above 1500 m Diesel fuels specified to EN 590 or ASTM D975 are recommended No 2 D is a distillate fuel of lower volatili
35. AAABSAP040A 1 Inner element 2 Outer element 3 Dust cover 4 Clamps 64 REGULAR CHECKS AND MAINTENANCE WORK H Air Filter Maintenance A CAUTION To avoid personal injury Wear eye protection Y T 1AAAAABAP002A The quickest and safest method of maintenance is the exchange of the paper cartridge Furthermore there are different methods of cleaning the cartridge Cleaning with compressed air Pressure of compressed air must be under 205 kPa 2 1 kgf cm and the cartridge should be blown clean from the inside to the outside until the dust deposits are noticeably reduced SS 0 aoe 1AAAAADAP004A IMPORTANT e f the air suction is still inadequate or the color of the exhaust gases is abnormal even afterthe cleaning the air filter cartridge must be replaced MW Greasing Swing Ball Bearing 1 Grease through the respective grease nipple at the central nipple 2 Grease at each 90 1 58 rad position of the swing frame 3 Grease at each 90 1 58 rad position of the pitch bearing Using the grease gun apply 5 shots at every position Refer to the RECOMMENDED OILS section A 1BAAABBAP035B 1 Grease nipple MH Checking Fuel Line and Intake Air Line 1 Check to see that all lines and hose clamps are tightened and not damaged REGULAR CHECKS AND MAINTENANCE WORK 65 AIR CONDITIONER M Cleaning Air Filter Open th
36. AB steel tracks Steel wire 6X24 4 Lifting 1AAABANAPO34A 1 Lift slowly and safely 2 Do not enter the excavator area when lifting 3 Lift the excavator horizontally Modify cable or strap connections according to needs Maximum strength for example JIS G 35 25 6X24 Diameter zinc plated not zinc plated 14 mm kN 89 7 96 6 9 16 kgf 9147 9850 16 mm kN 117 126 5 8 kgf 11931 12848 18 mm kN 148 160 45 64 kgf 15092 16315 20 mm kN 183 197 3 4 kgf 18661 20088 22 4 mm kN 230 247 kgf 23453 25187 LIFTING OF THE EXCAVATOR 47 48 MAINTENANCE MAINTENANCE MAINTENANCE INTERVALS y Hour meter indicator Ref No Check points Measures Interval 50 100 150 200 250 300 350 400 450 page check Daily check 54 1 Coolant change every 2 years 75 2 Fuel check Daily check 54 i check Daily check 55 3 Engine oil change O every 250 hrs 67 4 check Daily check 56 4 Hydraulic oil change every 1000 hrs 72 iS Daily check 68 link pin 5 Grease front Boon swing attachments m fuler O O O O every 100 hrs 61 Others O every 250 hrs 68 6 Radiator and oil cooler Engine oil check Daily check 57 cooler Washe
37. ACEMENTS 79 A DANGER To avoid serious injury or death e Do not work under the machine in this condition For your safety do not rely on hydraulically supported devices they may leak down and suddenly drop or be accidentally lowered A WARNING To avoid personal injury or death e When lifting the machine itself with an attachment place a safety block or safety post to prevent the machine from turning over Keep the lock lever for attachment control in the LOCK position Rubber Tracks 1 1BAAABSAPO76A 1 Seam Mark 00 A 25 to 40 mm If there is not a seam mark the adjustment is possible at all positions Steel Tracks A yoo 1BAAABBAP080C 1 Drive sprocket 2 Idler A 40 to 55 mm IMPORTANT e Make sure that no obstacles such as stones are caught in the track Remove such obstacles before adjusting the track tension e Track seam The ends of the rubber track are joined with a seam When adjusting the tracks the seam must be positioned on the top midway between the idler and the sprocket If the seam is positioned incorrectly the tracks will be tensioned too loosely and a further readjustment will be necessary O Rotate the track after adjustment one to two times to check the tension e Additionally following points are to be observed when adjusting rubber tracks 1 If the track loosen more than 50 mm read
38. AP043A O Service Port Max Flow Volume Max Flow Volume Theoretical L min 100 Max pressure MPa kgf cm 20 6 210 38 EXCAVATOR OPERATION IMPORTANT When the service port is not used for a long period dirt particles can settle in the lower part of the service port lines When the plugs on the service port lines are removed to connect attachments drain approx 100 cc 3 4 oz of oil per side before making connections For hammer choices contact your dealer NOTE e Suppose that the same attachment is mounted on another machine Even if the same limit setting is made the same speed cannot be achieved Make an optimum setting on each machine The service port speed fluctuates by getting an attachment relieved at the limited flow volume Determine the limit level with combined operations of attachments in mind One Way Flow Operation First Service Port O No lighting No activation Gi Ni eS Continuous Max flow volume ode FE lighting Theoretical volume 100 L min AL Aly 0 gt O gt 3 Slow blinking Limited flow volume Iy UN a Theoretical volume can be limited 1BAAABFAP040C Push the one way hold lock switch JAY and oil flows into the port H continually Push the switch again to stop the operation 2 The one way flow operation stops when the first service port switch is pushed ONE WAY HOLD LOCK SW
39. After adjustment is completed Using the socket wrench tighten the grease nipple Tightening torque must be between 98 to 108 N m ENT If the tracks are too tight wear is increased e f the tracks are too loose the track pads may collide with the sprocket and wear is increased The track may dislocate or come off e Clean the track after every use e Should the track tension be high due to sticking mud lift the track with the help of the boom arm and bucket idle the engine and remove mud from the track by rotating it Tension the tracks as specified 1 Loosen the bolt and remove the cover 2 Apply grease to the grease nipple 1BAAABBAP014A 1 Cover 2 Bolt 3 Grease nipple 4 Grease gun 3 Rubber Tracks Tension the track in the lifted position so that the distance A clearance between the track roller and the inside surface of the track see illustration in this case if there is a seam mark oo on the inside surface of the track the seam mark 00 is positioned on the top center between the idler and the sprocket Steel Tracks To check the track tension the track must be lifted from the ground as shown The track tension is correct if the clearance between the outer end of the track roller and the track interior surface corresponds to the dimension specified in the table below OTHER ADJUSTMENTS AND REPL
40. BAAABBAP020C 1 Fuel tank cap Fuel tank capacity 115L MAINTENANCE 55 MW Checking Engine Oil Level A CAUTION To avoid personal injury e Stop the engine and remove the key before checking the oil level IMPORTANT Use engine oil with the correct viscosity according to the outside temperature After stopping the engine and remove the key wait five minutes then check oil level Excavator must be on level ground Insert the engine oil dipstick fully into the prepared opening remove again and check the oil level if necessary fill with oil The machine must be on level ground when checking the oil level 1BAAABSAP019A A Required oil level range 1 Engine oil dipstick TD ALTIRO AE 1BAAABSAP019B 1 Oil filing port 56 MAINTENANCE Checking Hydraulic Oil Level A CAUTION To avoid personal injury e Stop the engine and remove the key before checking the oil level IMPORTANT e Before filling oil wipe away all sand and dust from around the oil port Make sure to use an identical type of hydraulic fluid The excavator has been filled with hydraulic fluid before delivery See RECOMMENDED OILS Do not mix different oils 1 Park the excavator on a firm flat and level surface Bring the boom to the highest position pull the arm the
41. Boom Pipe Boom Pipe Boom Pipe Arm 10 Hydraulic hose Swivel motor Control valve Swivel motor N AJAJ RLM MT MI MIMI M MLM M gt A wo ma alms al al aj Every 2 years or 4000 hours To prevent serious damage to the hydraulic system use only a KUBOTA genuine hydraulic hose RECOMMENDED OILS 89 RECOMMENDED OILS IMPORTANT 1 Before delivery the hydraulic oil used was Shell Tellus S2M46 2 Use engine oil API service classification CF or Cl 4 3 Use SAE 90 API GL 4 GL 5 as drive unit oil for all seasons Application Viscosity Shell ExxonMobil MIL Standard SAE Shell Rotella T10W li winter or by 10W Shell Rimula 10W OW temperatures Shell Rotella T20W 2 Shell Rimula 20W 2 Shell Rotella T30 Shell Rimula 30 MIL L 2104C l n summer or Shell Rotella T40 MIL L 2104D by high ambient 2 temperatures Shell Rimula 40 Engine oil Shell Rimula 50 Alle Season Multi Shell Rotella T15W 40 engine oil purpose In winter or by Shell Oil S8643 low temperatures Shell Spirax HD80W abi Shell Spirax HD90 Mobilube HD Plus 80W 90 MIL L 2105C by high ambient temperatures Shell Spirax HD140 Shell Spirax HD80W Shell Spirax HD85W In winter or by Shell Tellus S2M32 Mobil DTE 10 Excel 32 low temperatures Shell Tellus S2M46 Mobil DTE 10 Excel 46 Hydraulic oil In summer or by high ambient Shell Tellus S2M68 Mobil DTE 10 Excel 6
42. E POINT BLADE DOWN BLADE UP HEIGHT Un i t kN kg Uni t kN kg Uni t kN kg m LIFT POINT RADIUS m LIFT POINT RADIUS m LIFT POINT RADIUS m MINT 3 4 5 max min 3 4 5 max min 3 4 5 Max 73 a 5 1458 121173 18 21 70 8 8 8 4 1496 100 1595 0708 808 2370 73 71 a8 2301218 18 21 10 8 7 8 3 2350 1200 1000 2350 22001 4554 17001 200 ELN 78 21 8 31 2881 221 132 19 3 8 9 2 eso 1350 eso 2600 2250 assal aoso 700 279 1271 8 8 2281281 132 9 8 69 1 iso 1500 800 2500 cosol 435611 10001 c Foo E 12 31 8 31 18 81 18 1 127 8 3 8 9 eL _ol 2808 12501 c sol 2000 gasol 40a 3551 lt Foo 8 SEE sey 18 81181 12 31 8 3 7 2 1 4300 1250 1000 1809 gasol 4269 sol 780 278 131 11 8 27s iat 123 8 3 88 2 so 1250 0200 2800 1950 1250 950 200 50 8 24 0 50 5 188 12 7 3 ssa s 8956 2605 4508 d rubb wler without bucket Machine with ROPS o N 1BAAABFAP0860 1BAAABFAP0450 SAFE OPERATION amp 11 2 Part No RD809 5734 1 A CAUTION TO AVOID PERSONAL INJURY 3 Engage leve lock to prevent lever pattern A and pattern B accidental Then choose the pattern change one which is 4 Familiarize most familiar yourself with the pattern selected by lever in either operating slowly pa
43. ENANCE WORK Battery A DANGER To avoid the possibility of a battery explosion For refillable type battery follow the instructions below e Do not use or charge the refillable type battery if the fluid level is below the LOWER lower limit level mark Otherwise the battery component parts may prematurely deteriorate which may shorten the battery s service life or cause an explosion Check the fluid level regularly and add distilled water as required so that the fluid level is between the UPPER and LOWER levels A CAUTION To avoid personal injury Never remove the vent caps while the engine is running e Keep electrolyte away from eyes hands and clothes If you are spattered with it wash it away completely with water immediately and get medical attention e Wear eye protection and rubber gloves when working around the battery e Before inspection or dismounting the battery be sure to turn off the engine and turn the starter switch to the OFF position e When removing the battery always disconnect the negative ground cable first When installing a battery always connect the ground cable last This prevents a possible explosion caused by sparks e Always wear eye protection when working with the battery 1 Open the side cover See Opening Closing of the Side Cover in MAINTENANCE section 2 Check the battery fluid level and add distilled water if necessary 3 Should battery fluid be spilt fill with
44. G SUPplY PUMP 2 ibi 18 Checkpoints after Starting the Engine ccommoioonnmonissmcccc crac 19 STARTING THE ENGINE UNDER COLD CONDITION So oooocccccccccccnncccnnnnccnncnonnno 20 STOPPING THE ENGINE conan ii 20 Engine Stop BMG ata a A nt 20 STARTING WITH AN AUXILIARY BATTERY cceeeeeeeeeeeeeeeeeeeaeeaeeeeeeeeees 21 Observe Following Guidelines when Starting with an Auxiliary Battery 21 EXCAVATOR OPERATION src pet 22 RUNNING IN OF THE NEW EXCAVATOR cooocccccccccccccccccccnnnnnnnnnnncnnnnnnnnnnnnnnnnoninnns 22 Do not Work with Full Engine Rpm s or Full Loads during the First 50 Working Hours 22 Oil Change in the Run in Stage toca seis tek Monee aerate ee need ec AG elaeae hoes 22 A O O 22 STARTS o a 22 Adjusting the Operator s 6 suso celia le cid ds hala noti lao 23 kock LOVOR merra bodes sch vestenan cates Sceasubesoverhasladesdeevd tun a aves cubeseuerehaanenedueed seraG anes 23 DRIVING uri iia A EAEE SAL ATA ATA AA 24 Drive Levers Rig LO iia da 25 Travel Speed Within be does 26 TURNS 2 SS a os 27 Pivot TU Ni AA A A A A E Ar 27 A PO 28 UP AND IDOWNHILL DRIVIN Ss 0d iio 28 PARKING ON A SEO PE cubana di RAS adel Si 29 OPERATION OF THE DOZER ad at di A ci 29 TWO PATTERN SELECTION SYSTEM TPSS cccceeeeeeeeeeeeeeeeeeeeeseneeeeeeees 30 Pater CANON crate et dada ee del ress T AS 30 OPERATION OF THE BOOM inete seis thet iaa 31 OPERATION OP THEARM sunno dieting eee eS 31 OPE
45. HOURS 1 Fuel lines 2 Clamp bands Replacing Intake Air line Replace the hoses and clamps if necessary See Checking Fuel and Intake Air Line in EVERY 200 SERVICE HOURS 1BAAABSAP042A 1 Hoses 2 Hose clamps SE REGULAR CHECKS AND MAINTENANCE WORK RVICING AS REQUIRED MH Checking Amount of Refrigerant gas A WARNING To avoid personal injury e Liquid contact with eyes or skin may cause frostbite Inthe event of a leakage wear safety goggles Escaping refrigerant can cause severe injuries to eyes e Incontact with a flame R134a refrigerant gives a toxic gas e Do not disconnect any part of the refrigeration circuit of the air conditioning Proper Overfull of no refrigerant 1BAAAAKAP012A IMPORTANT 17 Little or no air bubbles in the refrigerant flow Lots of air bubbles in the refrigerant flow air bubbles or foam passing continuously Colorless and transparent system Consult your local KUBOTA Dealer for e Charge only with R134a not R12 refrigerant gas assistance and service A shortage of refrigerant impairs the air conditioner performance Check the following points If it is indicated that the amount of refrigerant is extremely low ask your dealer to inspect and charge Checking procedure 1 Run the air conditioner in the following conditions About 15
46. INE 15 MW Charge Lamp This warning lamp lights up if the charging system fails the engine running When the starter switch is turned RUN with the engine off the lamp lights up and when the engine gets started the lamp goes out If the lamp stays on with the engine running stop the engine and check the fan belt NOTE e f there is disconnection or failure in the charging system when the key is turned to RUN the following O symbol will appear MOil Lamp The engine oil pressure warning lamp lights up due to failure of the lubricating system with the engine running When the starter switch is turned RUN with the engine off this lamp lights up and when the engine starts the lamp goes out If the lamp stays on with the engine running stop the engine and check the engine oil level NOTE O l there is disconnection failure or breakdown in the lubricating system when the key is turned to RUN the following O symbol will appear M Glow Lamp With the starter key at the RUN position the engine s preheat status is indicated NOTE When the starter switch is turned to the RUN position the engine will be preheated for a given period of time and the lamp will turn on The above indication appears momentarily when the engine is started but it does not mean any trouble This is because the oil charge sensor output becomes unstable when the engine is started e The O symbol appears momentarily as t
47. ITCH JH First service port switch 1BAAABFAP019A EXCAVATOR OPERATION 39 M Second Service Port Operation D Turn the starter key to the RUN position 2 Lower the lock lever Unlock GS E oe 4 Press the right switch A to send oil to the port A 5 Press the left switch B to send oil to the port B e Proportional control is not possible e It is possible to adjust the flow volume of the second service port Contact your local KUBOTA dealer when necessary 1BAAABFAP042A Service Port Max Flow Volume Max Flow Volume 67 Theoretical L min Max pressure 20 6 210 MPa kgf cm IMPORTANT When the service port is not used for a long period dirt particles can settle in the lower part of the service port lines When the plugs on the service port lines are removed to connect attachments drain approx 100 cc 3 4 oz of oil per side before making connections For hammer choices contact your dealer 40 EXCAVATOR OPERATION 1 way or 2 way CIRCUIT SELECTION Away circuit VALVE OPERATION i A selection valve which selects 1 way or 2 way circuit of service port has been installed on the hydraulic tank 1 When equipment which needs a 1 way circuit will be used position the arrow by using the selector lever on the axis of the selection va
48. LCD display shows the figure below The glow lamp will light up while the engine is preheated and will go out automatically after preheating is finished AC om A STOP B RUN C START 1BAAABFAP029G 1 Starter switch 1BAAAAQAP052C 1 Fuel gauge 2 Water temperature gauge 3 Oil lamp 4 Hour meter 5 Charge lamp 6 Glow lamp 5 Turn the key to the position START and release after the engine has started 6 Check if all warning lamps have gone out Should a warning lamp still be lit up stop the engine then remove the key and check for the cause NOTE e When the lock levers are in UNLOCK position the engine does not start M Display Selector Switch Press the display selector switch while the engine is running The LCD meter display will change from one indication mode to the other Change the two mode display according to your jobs 1BAAABFAP029H 1 Display selector switch 2 LCD display o E 41234 5 un 4 Feo Pam 1BAAAAQAP123A 1 Fuel gauge A INDICATION MODE 1 2 Water temperature gauge B INDICATION MODE 2 3 Hour meter 4 Engine tachometer NOTE With the starter key at the STOP position press the electronic meter s display selector switch or the working light switch and the LCD display shows the hour meter fuel gauge and water temperature gauge for 10 seconds OPERATION OF THE ENG
49. PRINTED IN JAPAN Kubota U S A KUBOTA TRACTOR CORPORATION 3401 Del Amo Blvd Torrance CA 90503 U S A Telephone 310 370 3370 Western Division 1175 S Guild Avc Lodi CA 95240 Telephone 209 334 9910 Central Division 14855 FAA Blvd Fort Worth TX 76155 Telephone 817 571 0900 Northern Division 6300 at One Kubota Way Groveport OH 43125 Telephone 614 835 1100 Southeast Division 1025 Northbrook Parkway Suwanee GA 30024 Telephone 770 995 8855 Canada KUBOTA CANADA LTD 5900 14th Avenue Markham Ontario L3S 4K4 Canada Telephone 905 294 7477 France KUBOTA EUROPE S A S 19 25 Rue Jules Vercruysse Z l BP88 95101 Argenteuil Cedex France Telephone 33 1 3426 3434 Italy KUBOTA EUROPE S A S Italy Branch Via Grandi 29 20068 Peschiera Borrome MI Italy Telephone 39 02 51650377 Germany KUBOTA BAUMASCHINEN GmbH Steinhauser str 100 66482 Zweibrucken Rheinlandpfalz Germany Telephone 49 6332 4870100 U K KUBOTA U K LTD Dormer Road Thame Oxfordshire OX9 3UN U K Telephone 44 1844 214500 Australia KUBOTA TRACTOR AUSTRALIA PTY LTD 25 29 Permas Way Truganina VIC 3029 Australia Telephone 61 3 9394 4400 Malaysia SIME KUBOTA SDN BHD No 3 Jalan Sepadu 25 123 Taman Perindustrian Axis Seksyen 25 40400 Shah Alam Selangor Darul Ehsan Malaysia Telephone 60 3 736 1388 Philippines KUBOTA PHILIPPINES INC 155 Panay Avenue South Triangle Homes 1103 Quezon City Philippines
50. R To avoid serious injury or death e No directional changes should be made when 4h WARNING the excavator is on the ramp Should a change To avoid personal injury or death of direction be necessary drive off the ramp e After loading the machine on the truck lower completely and make the turn the bucket and dozer onto the truck bed e When driving forwards or backwards onto the vehicle or when swinging the upper body Prepare a platform to load or unload the excavator Take make sure that neither the CAB or the gates of following steps when using ramps the vehicle will be damaged 1 Apply the parking brakes of the vehicle and block the drive wheels from both sides 1BAABAAAP3570 2 Use mounting brackets secure the ramp properly Connect the ramps directly to the bed 1BAAABSAP131A e When the excavator reaches the point between the ramps and the bed halt and then move very slowly until the excavator reaches the horizontal position e Move the excavator onto the vehicle only with the arm completely pulled in e Do not jack up the machine using its boom to load or unload the excavator from the vehicle Doing this is dangerous Otherwise the CAB of the vehicle could be damaged when swinging around the upper body Make sure the ramp are of sufficient capacity and securely connected to the vehicle to safety support the machine throughout the loading unloading operation 200 to 400 mm
51. RATION OFTHE BUCKED aca ains 32 UNIT SWING AND BOOM SWING OPERATION 0000eeeeeeeeeeeeeeeeeeeeeeeeees 32 Unit Swing Operations iia 32 BOOMS WING Operation ctra tl il olores 33 SERVICE POR TOPERA TION Sida iiss a A ii 34 First Service Port Operation sses enea aieea E EE RE AE 34 One Way Flow Operation First Service Port 0 0 ccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeaaaaes 38 Second Service Port Operation ccccccccccccceccceeeceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeseteneens 39 1 way or 2 way CIRCUIT SELECTION VALVE OPERATION ceeeeeeeees 40 EMERGENCY SHUT OFF VALVE 00002 it A AA AA td eens 41 BOOM LOWERING VALVE ai A AR 41 AUTO IDLE Al OPERATION encniccsokt sh ccnduccds hanna ssdaelcinlntnlucnlelseuns 42 IMPORTANT INFORMATION ON EXCAVATOR OPERATION eeeees 42 HOW TO RELEASE PRESSURE TRAPPED IN THE HYDRAULIC SYSTEM 43 TRANSPORTING THE EXCAVATOR ON A VEHICLE 0 cceeeccceeeee eee eeeeeeeeeeeeeees 44 LIFTING OF THE EXCAVATOR caida A A di 46 MAINTENANCE ctas oca 48 MAINTENANCE INTERVALS scuiiarsani a Re 48 OPENING AND CLOSING OF PARTS oooocccccccccccncnononnnonnnnnnnnnnnnnnnnnnonnnnnnnnnnnnnnannnnns 51 Opening Closing of the Fuel Tank Cover ccccccccccceeeeeeeeeseecenecceeeeseseeeneneeeeeeeeeeeeesnenee 51 Opening Closing of the Engine Hood 22 ccccccecccceeeeeeeeneeneeeeeeeeeeeeeeeeeeeneeeeneseeesseneceees 51 Opening Closing of the Side Cover ei
52. Telephone 63 2 9201071 Taiwan SHIN TAIWAN AGRICULTURAL MACHINERY CO LTD 16 Fengping 2nd Rd Taliao Shiang Kaohsiung 83107 Taiwan R O C Telephone 886 7 702 2333 Thailand SIAM KUBOTA CORPORATION CO LTD 101 19 24 Moo 20 Navanakorn Industrial Estate Tambon Khlongnueng Amphur Khlongluang Pathumthani 12120 THAILAND Telephone 66 2 909 0300 KUBOTA Corporation Farm amp Industrial Machinery International Operations Headquarters 2 47 Shikitsuhigashi 1 chome Naniwa ku Osaka Japan 556 8601 English Australia Code No RD819 8131 7 KUBOTA Corporation 2007 0 ODMDOXA OPERATOR S MANUAL KUBOTA EXCAVATOR _ K Xoso 3 1BAAABSAP0010 READ AND SAVE THIS MANUAL Kiubota LIST OF ABBREVIATION Abbreviations Description API ASTM CECE DIN EN FRONT Hi ISO JIS L L min Lo MIL OPG Top Guard Level rpm ROPS SAE TPSS Al American Petroleum Institute American Society for Testing and Materials USA Committee for European Construction Equipment German Institute for Standards Federal Republic of Germany European Standard Front means the front view towards the boom and dozer High speed International Standardization Organization Japanese Industrial Standard Volume Liter Liter per minute Low speed Military Standards Operator Protective Guards of Top Guard Level Revolutions Per Minute Roll Over Protective Structures Soci
53. arging Check fan belt tension regularly Should the fan belt break or jump off the indicator light for battery charge will light up Stop the engine and remove the key immediately Checking Radiator Hoses and Clamps A CAUTION To avoid personal injury Wait long enough for the radiator coolant to cool down Check the water hoses for proper connection This check should be carried out every 200 hours or every 6 months whichever comes first 1 Should the hose clamps become loose or water leaks tighten the hose clamps properly 2 Should the radiator hoses become swollen aged or cracked they must be replaced and the hose clamps tightened again properly 1BAAABSAP017B O 1 Radiator hoses 2 Hose clamps Minspection and Cleaning Air Filter Element Open the engine hood and remove the dust cover Take out only outer element clean the element case interior and reassemble During reassembly take care to install the dust cover so that its TOP mark arrow faces up wards Do not remove the inner element IMPORTANT e Should the machine be used in extremely dusty areas the air filter element must be inspected and cleaned more frequently than in the specified maintenance periods e The air filter has a dry element keep free from oil e Do not run the engine without the air filter LESS 1B
54. at level Objects may fall into the operator station of excavator from front 19 Make sure attachments particularly those utilizing quick attach systems are securely mounted 20 Install the protective guards on the excavator in work area that the objects may fall or come flying In that case contact your local KUBOTA dealer 2 1 1BAAABBAP129A Start and control STARTING OF THE EXCAVATOR Get into and out of the machine safely Always face the machine Always use handrails and available steps and keep yourself well balanced Do not hold any of the control levers and switches Do not jump on or off the machine whether stationary or in motion the excavator only from the operator s seat The driver should not lean out of his seat when the engine is running Before starting the engine make sure that lock levers are in position Lock and all control levers and pedals are in their neutral positions and the seat belt is fastened correctly Make sure that the dozer blade is in front of you The dozer must be raised If the levers are activated with the dozer blade at the rear the tracks will move in the opposite direction of the drive levers TRAVEL DIRECTION TRAVEL DIRECTION DRIVE LEVERS DRIVE LEVERS FRONT f FRONT qn H DOZER BLADE DOZER BLADE 5 1BAAABBAP1260 Do not operate or idle engine in a non ventilated area Carbon monoxide gas is colorless odorless and deadly
55. ator fatigue swings with the bucket Also avoid using side sweeps of the bucket to move earth piles Under all circumstances avoid the following operations Excavation using the gravitational impact of the machine e Compacting of gravel or soil using the dropping action of the bucket Excavation using the traveling power of the machine Do not try to drop or shake off soil adhering to the bucket in the manner given in the points below This can cause damage to the machine Adhering soil can be shaken off when the bucket is being emptied by moving the bucket out to the maximum stroke of the cylinder Should this not suffice swing out the arm as far as possible and operate the bucket back and forth Do not hit the dozer with the boom cylinder Make sure that the boom cylinder does not hit the dozer when doing deep excavation If necessary swing around so that the dozer is in the back of the machine Pay attention when pulling in the bucket When pulling in the bucket for driving or transportation avoid hitting the dozer Avoid collisions When moving the excavator pay attention that the dozer does not collide with obstructions such as boulders etc Such collisions shorten the life of the dozer and the cylinder substantially Support the machine correctly When stabilizing the machine with the dozer lower the dozer to engage the full width on the ground If the water or mud level reaches higher than t
56. cavator is not intended for these usages N SAFE OPERATION amp 7 ye amp WARNING Drive levers FRONT amp le de TRAVEL DIRECTION Ve AN 5 DOZER BLADE TO AVOID PERSONAL INJURY OR DEATH Before moving the excavator KNOW THE LOCATION OF THE DOZER BLADE The excavator will travel in the direction of the dozer blade when drive levers are moved away from the operator A DO NOT OPERATE WITHOUT ROPS YOU COULD BE CRUSHED USE SEAT BELT 1BAAABBAP119E 3 Part No RD809 5736 1 7 K MY w with electric wires TO AVOID SERIOUS INJURY OR DEATH Check overhead clearance XQ 1BAAABSAP078E 1BAAABFAP007B 1BAAABFAP0440 1BAAACDAP243A 4 Part No RD809 5738 2 ATTACHMENT IMPACT HAZARD KEEP ATTACHMENT AWAY FROM CAB AND MACHINE FAILURE TO DO SO MAY RESULT IN SEVERE INJURIES OR DEATH OR DAMAGE TO THE BOOMCYL INDER HYDRAULIC HOSES OR THE CAB 1BAAAARAP1000 1BAAABDAP007C 5 Part No RD829 5793 1 Y 1BAAABFAPO92A 4 8 SAFE OPERATION 1 Part No 68328 5735 1 Both sides 2 Part No RC108 5796 1 Both sides A AN BOOM PINCH POINTS Keep out of this area to avoid serious personal injury or death 1BAAAAQAP0930 1BAAAAQAP0940 3 Part No RD148 5736 1 Die
57. ce Hours A CAUTION To avoid personal injury e First stop the engine then remove the key and wait long enough for the oil to cool down 1 Remove the drain plug on the underside of the engine and drain all oil 2 Re tighten the drain plug TBAAABSAPOASA SNL DA MR 1 Drain plug 3 Fill up with new oil through the filling port to the specified level 1BAAABSAP019B 1 Oil filling port 67 1BAAABSAP019A 1 Engine oil dipstick A Required oil level range 4 Let the engine idle for approx 5 min Check the engine oil level To check the engine oil level insert the engine oil dipstick completely into the respective port opening and pull out again If the oil level lies between both markings no oil must be added IMPORTANT e Regardless of the service hours an engine oil change is due every 1 year Engine oil volumes with engine oil filter 10 8L 68 REGULAR CHECKS AND MAINTENANCE WORK Replacing Engine Oil Filter 1 Replace the oil filter cartridge at the same time as doing the engine oil change 2 Remove the cartridge with the supplied filter wrench Q 1BAAABSAP047A 1 Oil filter 3 Oil the O ring of the new oil filter cartridge lightly Then tighten
58. ditioner off in which case the indicator light will be off Temperature Control Lever Set this lever at the desired position to obtain the desired air temperature Move the lever to the right to obtain cooler air Move it to the left to obtain warmer air Blower Switch Air volume can be changed in three steps At the 3 position the largest air volume is obtained 12 CHECKS BEFORE START Operation Heating 1 Adjust the blower 1 2 3 switch and the temperature control lever to achieve the desired temperature level NOTE In summer when the heater is not used keep the temperature control lever at the COOL rightmost position Otherwise hot air will raise the temperature in the CAB Dehumidifying heating 1 Press and turn on the air conditioner switch 2 Turn on the blower 1 2 3 switch 3 Adjust the temperature control lever to the COOL or an intermediate position to achieve the desired temperature level NOTE Be sure to close the door while the air conditioner is ON Cooling 1 Press and turn on the air conditioner switch 2 Turn on the blower 1 2 3 switch 3 Adjust the temperature control lever to the COOL or an intermediate position to achieve the desired temperature level NOTE e Be sure to close the door while the air conditioner is ON 4 Defrosting or demisting To defrost or demist the windshield take the following steps 1 Open the front air outlet and dir
59. dle Al Control With this switch the Auto Idle control is turned on or off The Auto Idle control allows the engine speed to drop to idle speed when the control levers are left in neutral for longer than four seconds If the control is activated the engine speed rises immediately to the preset rom If the Auto Idle is not activated the throttle potentiometer can be utilized to control engine speed in a similar way to a conventional throttle control lever 1BAAABFAP029F 1 Throttle potentiometer 2 Switch for Auto Idle control IMPORTANT It is possible that the Auto Idle may not function until hydraulic oil warms up in the cold weather Therefore it is not recommended that the Auto Idle be activated until the machine is completely warmed up NOTE Before operating the control lever check the Auto Idle Indicator Lamp When operating in confined spaces or when loading onto a vehicle turn the Auto Idle switch off Light off This is to prevent unwanted engine speed increases when control levers are activated The Auto Idle control when selected by a switch provides the operator with a way to control engine speed without a Throttle Potentiometer simply by not activating any control levers for about four seconds after stopping work and then to simply restore a preset by potentiometer engine speed by activating any control lever to return to work The purpose of system is to reduce fuel consumption noise and oper
60. ds is poisonous to Stop the engine then remove the key and wait until it has cooled down completely 1 Open the drain plug on the bottom of the radiator and drain coolant completely Should a recovery tank be equipped disconnect the line from the tank floor and then open the drain cock To clean rinse the radiator with water Close the drain plug and fill the radiator and the recovery tank with coolant fluid Let the engine idle for about 5 min Stop the engine and remove the key Check the coolant level of recovery tank and add the coolant if necessary The shipped machine has been filled with 50 anti freeze solution 1 BAAABSAPO46C SS 1 Drain plug 1BAAABSAP054A 1 Radiator cap 76 REGULAR CHECKS AND MAINTENANCE WORK 1 Recovery tank Radiator 10 5L Recovery tank 1 3L IMPORTANT e Do not operate the engine without coolant e To fill the radiator system and the recovery tank use fresh water and anti freeze fluid When the anti freeze is mixed with water the anti freeze mixing ratio must be less than 50 e Tighten the radiator cap properly If the cap is loosely or not properly fitted overheating of the engine can result due to coolant fluid loss Replacing Fuel Hoses and Clamps Replace the hoses and clamps See Checking Fuel and Intake Air Line in EVERY 200 SERVICE
61. e cover and remove the filter cover remove the air 2 If hoses and clamps are found worn or damaged filter replace or repair them at once 1BAAABBAP049B 1 Cover 1 Fuel lines 2 Clamp bands 1BAAABBAPO52A 1BAAABSAP042A 1 Hoses 2 Hose clamps 2 Filter cover 3 Air filter 66 REGULAR CHECKS AND MAINTENANCE WORK A CAUTION Checking Air Conditioner Condenser To avoid personal injury Check air conditioner condenser to be sure it is clean from e Wear eye protection debris a T 1BAAABSAP013B SS 1AAAAABAP002A 1 Air conditioner condenser Cleaning the air filter e Normal use Blow air from the opposite direction to the filter s normal air flow IMPORTANT Donot hit the filter If the filter becomes deformed dust may enter into the air conditioner which may cause damage and malfunction O Pp lt ps Ss gt gt gt gt gt gt 1BAAAAKAP013C 1 Filter A AIR CONDITIONER AIRFLOW NOTE Pressure of compressed air must be under 205 kPa 2 1 kgf cm e If the filter is very dirty replace the air filter REGULAR CHECKS AND MAINTENANCE WORK EVERY 250 SERVICE HOURS Do all 50 hour servicing at the same time Engine Oil Change First Engine Oil Change after 50 Servi
62. e red jumper cable with the plus terminal of the low battery and connect the other end of the cable to the plus terminal of the auxiliary battery 6 Connect the black negative cable to the minus terminal of the auxiliary battery 7 Connect the other end of the black cable coming from the auxiliary battery to the machine frame as far away as possible from the low battery 8 Start the engine of the helping machine and let it run for a while Start the machine with the low battery 9 Disconnect the jumper cables in the reverse sequence OPERATION OF THE ENGINE 21 1AAABANAPO0O37A 1 Low battery 2 Auxiliary battery 3 Jumper cables IMPORTANT e This excavator has a negative ground 12 Volt starting system e Only use the same voltage when using an auxiliary battery e Using a higher voltage will cause serious damage to the electrical system When using an auxiliary battery only the compatible same voltage is permissible 22 EXCAVATOR OPERATION EXCAVATOR OPERATION RUNNING IN OF THE NEW EXCAVATOR The operation and care of the new excavator influences its life span Your new excavator has been carefully checked and tested before leaving the factory In spite of this all movable components must run in during the first 50 work hours Do not work with full rpm s and full loads during this period It is most important to run in your excavator properly in order to achieve its full performance a
63. e running direction and to avoid a tipping over do not try to swing the attachment crosswise to the loading ramps Lower the attachment on the loading bed and release the pressure from the hydraulic system After loading the excavator on the truck block the tracks with blocks and tie down the excavator 1 Wire rope 2 Block 5 6 1BAAABSAP007A Avoid abrupt braking of the vehicle with the excavator loaded Sudden braking cause the excavator to move and may cause a serious accident If the excavator is to tow another machine make sure the load is smaller than the strength of the hook tow chain or cable 1 Hook Max drawbar pull at coupling hook 116 9 KN 26280 Ibf 11920 kgf Max vertical load at Sibling nook 12 1 kN 2720 Ibf 1234 kgf 7 Do not use hooks on the roof of CAB for lifting the excavator 5 MAINTENANCE Before doing maintenance work on the excavator place the machine on even solid ground lower the attachments to the ground stop the engine release pressure trapped in the hydraulic system and remove the key When dismantling hydraulic parts make sure that the hydraulic oil has cooled down sufficiently to avoid burns Start maintenance work carefully e g loosen plug slowly so that oil will not squirt out 1 Before doing work on the engine the exhaust system the radiator and the hydraulics let the excavator cool down sufficient
64. e runs sluggishly in Pour hot water over the radiator winter Battery is almost dead Recharge battery insufficient compression Insufficient Low fuel level Check fuel and add if necessary engine power Clogged air cleaner Clean the air filter element Engine suddenly stops Low fuel level Check fuel and add if necessary Purge the fuel system head or crank case Abnormal Poor fuel Use high quality fuel exhaust gas color Too much engine oil Drain engine oil to prescribed oil level Defective seal of the water Replace pump Worn or torn V belt Adjust or replace Thermostat is defect Replace Coolant level too low Fill to prescribed level Water Radiator grill or fins are Clean clogged temperature in red zone Coolant is contaminated Overheating with rust from the cylinder Replace coolant fluid and add anti rust Defective radiator cap Evaporation Replace Corroded coolant pipes Clean Continuous operation under full load Reduce load TROUBLESHOOTING 83 Trouble Cause Countermeasure Cylinder head gasket is a damaged Coolant loss Replace Water temperature Engine oil level too low Fill to prescribed level Engine f in red zone Maladjustment of fuel A biped nate te UE Overheating injection Readjust ignition timing Use of poor fuel Use prescribed fuel Boom
65. ect it to the windshield 2 Set the blower switch and the temperature control lever to the 3 and WARM leftmost positions respectively HANDLING THE SAFETY DEVICES MW Control Lever Lock A CAUTION When the excavator is not used or left unattended be sure to place the lock lever in position Lock The attachment control lever lock is located on the left side x BR BAAABFAPO34A HE 1 Lock lever for attachment control A Lock B Unlock OPERATION OF THE ENGINE 13 OPERATION OF THE ENGINE e When the engine gets started the meter may rv momentarily turn off and a peep may sound This is not CAUTION diner a trouble The symbol L may also appear for a short To avoid personal injury ti This i ta trouble eith e Read SAFE OPERATION at the beginning of EM MEE this operator s manual e Obey the danger warning and caution labels STARTING THE ENGINE on the excavator e To avoid the danger of exhaust fume CAUTION poisoning do not operate the machine in a To avoid personal injury closed building without proper ventilation e The operator should not depend solely on the e Always start the engine from the operator s warning lamps but should always conduct the seat Do not start the engine while standing routine checks see MAINTENANCE next to the excavator Before starting the engine
66. eeceeeeeeeeeeeeeeeeeeseeeeecesereeeeeeeeeseaea 3 INSTRUMENT PANEL AND CONTROL ELEMENTS ceeeeeeeeeeeeeeeeeeeeenees 4 CHECKS BEFORE TAR Tara ia 6 DAYA EC SiS 6 Wiper Washer Switch ooooooooocococoocccconoconcnnnconnnnnnonononononcnnnonnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnss 6 Interior LAMP ects eters cevessitedentea Ra dadas 7 Beacon Light Ml ias 7 Overload Warning WIClrssacd o ii inte 7 Cals Light Wicca dad 7 o E 8 Opening Closing of CAB Dosis cad diia 8 Opening Closing of Front CAB WindOW 2 ccccceeeeeseeeeeneeeeeeeeeseeeeeneeeeeeeneesseeeeeseneeds 9 Opening Closing of Side CAB WindOW occoononoconcccnnncnccnononcnnncnnnnnnnnnnnnnncnnnnnnnnnnnnnnccnnnnnns 9 Emergency HAM A lt 9 AIR CONDIMMONERS Suman a Meena 10 PAI QW A acetate tik tae host phac A 10 A aadena dnd utr tt EE or tecanadl nd T ehoen ch taags 11 Control Panel aiii di 11 Op a iets rounds e e e 12 HANDLING THE SAFETY DEVICES vunci cinicorac nnnizanicnc coca dddesi wietetes ransnc dsc 12 Control Lever Lock tin aean aeeai aa EEEE el bhaast AAA A penne ume ai 12 OPERATION OF THE ENGINE cuidas 13 STARTING THE ENGINE ooo ei 13 Display Selector Swithin eniinn iieiaeie ee i aiae E E tena aant 15 CHAS ETAn EEE EELT E TEE AE 15 O ON 15 CA TN 15 LCD Display for Normal Operation cocccccccccnccnnccnncnninnnnnennnnnininnnnnnnnnnnnininineninnninininnn 16 UCD Dis play TOFWATTINO casal italia a ad 17 Warning La Divisa dra 18 FU
67. ers and the pedals from outside the cab during the engine running Adjusting the Operator s Seat A CAUTION To avoid personal injury e Make sure that the seat is completely secured after each adjustment 1BAAABFAP037A UNLOCK 1 Backrest tilt adjust lever A 2 Arm rest angle adjust knob B TO INCREASE TENSION 3 Weight adjust lever C TO DECREASE TENSION 4 Weight adjustment indicator D TO INCREASE ANGLE 5 Travel adjust lever E TO DECREASE ANGLE 6 Arm rest Travel adjustment Pull the travel adjust lever in the direction of A and slide the seat backward or forward as required The seat will lock in position when the lever is released Weight adjustment Turn the weight adjust lever to achieve the optimum suspension setting Tilt adjustment Pull the backrest tilt adjust lever in the direction of A and move the backrest to the desired angle Height adjustment Lift the seat to the desired height of the three available positions Adjust the seat to the desired position after lifting the seat to the highest position in the case of lowering the seat Arm rest Arm rest may be set at upright position if desired EXCAVATOR OPERATION 23 Arm rest angle adjustment Turn the arm rest angle adjust knob to the desired angle ELock Lever A CAUTION To avoid personal injury e To avoid injuries check safety aspects all around the excavator NOTE With the lever lock pul
68. essage like left will appear on the LCD display and Max flow volume right can be adjusted 3 The flow volume supplied from port right is adjusted properly with the working light switch or the service port activation switch while operating the hydraulic attachment o 5 When the working light switch is pushed the flow volume is decreased O When the service port activation switch is pushed the flow volume is increased 1BAAABFAP041A Max flow control 4 E 14 Blinking EXCAVATOR OPERATION 37 4 After Max flow volume right fis set push the display selector switch 5 The message like left will appear on the LCD display and Max flow volume left can be adjusted The flow volume supplied from port left is adjusted properly with the working light switch or the service port activation switch while operating the hydraulic attachment When the working light switch is pushed the flow volume is decreased When the service port activation switch is pushed the flow volume is increased NOTE When Max flow volume right Mis adjusted again the display selector switch is pushed and the operation of is repeated 7 After Max flow volume right jj and left PJ is set turn the starter key to the STOP position once Then turn the starter key to the RUN position again 1BAAABF
69. ety of Automotive Engineers USA Two Pattern Selection System Auto Idle KX080 3 AR K 6 6 1 AK GENERAL SYMBOLS The instruments and operation elements have been marked with a series of symbols in order to simplify the operation of excavator These symbols are listed below with the respective descriptions A Safety alert Symbol Re Boom swing left bY Warning lamp Fuel level too low op Boom swing Right System lamp A Dozer raise dye Warning lamp Engine Oil pressure y Dozer lower Warning lamp Battery charge Operation direction of control lever T Warning lamp Auto Idle Al Lamp lt gt Operation direction of control lever 63 Indicator lamp Glow AN Read operator s manual N Working light switch Engine stop control lamp bo Horn Na Wiper Washer switch E Diesel 5 Hydraulic fluid F 4 O Gear oil k 4 Grease Fast Slow Excavator Overhead movement toward the front Excavator Overhead movement toward the rear Boom up Boom down Arm up Arm crowd Bucket crowd Bucket dump Ad NAF ee de FOREWORD You are now the proud owner of a KUBOTA Excavator This excavator is a product of KUBOTA quality engineering and manufacturing It is made of fine materials and under a rigid quality control system It will give you long satisfactory service To obtain the best use of your excavator please read this manual carefully It will help you become familiar with the operation of the excavator and contains
70. ey may fall off and be run over or interfere with your control of the machine Never allow children to operate the machine even under adult supervision Never allow children to play on the machine or on the attachments Use extra caution when backing up Look behind and down to make sure the area clear before moving When parking your machine if at all possible park on afirm flat and level surface if not park across a slope Lower the bucket and dozer to the ground remove the key place the control lock levers in the locked position from the ignition and lock the cab door if equipped before you leave A 4 SAFE OPERATION 3 AFTER OPERATION Before leaving the machine e Park the excavator on a firm flat and level surface Lower the attachments and the dozer blade to the ground Stop the engine Release pressure trapped in the hydraulic system Lock all control levers Remove the key 1BAAABSAP004A REE o Ll IBAAABFAPO34C S82 y 1 Lock lever for control lever A Unlock B Lock 4 SAFE LOADING AND TRANSPORT OF THE EXCAVATOR Observe all regulations concerning the transport of excavators on public roads 2 Use adequately long and robust ramps when loading 1BAAABSAP006A on the machine for details see TRANSPORTING THE EXCAVATOR ON A VEHICLE Do not change th
71. f the 100 hours A CAUTION To avoid personal injury Lower all attachments to the ground stop the engine and remove the key before undertaking the oil change 1 Rotate the track so that the drain plug of the drive unit is in the bottom position 2 Remove the drain plug to let the oil run out Screw in and tighten the drain plug again and fill with gear oil through the oil check port 3 Fill oil until it overflows out of the oil check port Oil change first oil change after 100 hrs then every 500 hrs or at least once a year 4 Use prescribed gear oil SAE 90 1BAAABBAP013A 1 Oil check port 2 Drain plug 3 Oil filling port Gear oil volume approx 1 35 L 70 REGULAR CHECKS AND MAINTENANCE WORK Replacing Fuel Filter Cartridge A CAUTION To avoid personal injury e Keep fire away Remove the filter with the filter wrench Apply a light film of fuel to the seal of the new filter and turn in tightly by hand 3 Open the cock of the fuel filter again NO 1BAAABSAP019C 1 Fuel filter cartridge IMPORTANT After exchange of the filter the fuel system must be purged of air Replacing Hydraulic Return Filter Cartridge first replacement after 250 service hours A CAUTION To avoid personal injury Remove the oil filter car
72. fore having informed him on the exact operation and work instructions and be assured that the operator s manual has been read and completely understood 11 Do not wear baggy torn or oversized clothing when working with the excavator Clothing can get caught in rotating parts or control elements which can cause accidents or injuries Wear adequate safety clothing e g safety helmet safety shoes eye protection ear protection working gloves etc as necessary and as prescribed by law or statutes 1AAAAABAPO01A 1 Helmet 7 Straw hat 2 Clothing fit for work 8 Towel 3 Tight seams 9 Baggy trousers 4 Good grip footwear 10 Loose cuffs of the shirt 5 Well fitting cuffs 11 Baggy shirt 6 Working gloves 12 Rubber sandals 12 Do not allow passengers to ride on any part of the excavator at anytime The operator must remain in the excavator seat during operation 13 Check mechanical parts for correct adjustments and wear Replace worn or damaged parts immediately 14 Keep your excavator clean Heavy soiling grease dust and grass can cause fires accidents or injuries 15 Use only KUBOTA authorized attachments 16 Before starting the excavator be absolutely sure that the excavator has been filled with fuel lubricated greased and undergone all necessary maintenance 17 Do not modify the excavator otherwise it could lead to unforeseen safety problems 18 Do not hammer anything that is above the operator s se
73. g Closing of the Side Cover in OPENING AND CLOSING OF PARTS section Check the coolant level in the recovery tank and fill up if necessary The coolant level should be between the marks FULL and LOW 1 Recovery tank A FULL B LOW IMPORTANT e Do not fill the recovery tank over the FULL marking e Do not fill with dirty or salty water Checking Fuel Level A CAUTION To avoid personal injury Stop the engine and remove the key before fuelling e Do not smoke while fuelling IMPORTANT When temperatures are over 7 C 20 F use No 2 D diesel fuel when temperatures are under 7 C 20 F use No 1 D diesel fuel or a blend of No 2 and No 1 diesel Make sure that the fuel tank is not run empty Air will enter the fuel system and must be purged before restarting O See PURGING OF THE FUEL SYSTEM in OTHER ADJUSTMENTS AND REPLACEMENTS e To prevent condensation water accumulations in the fuel tank fill the fuel into the tank before parking overnight 1 Turn the starter key to the position RUN 2 Check the fuel level by the fuel level indicator 1BAAABFAP0291 1 Fuel gauge A EMPTY B FULL 3 If necessary open the tank cover with the starter key open the cap and fill in fuel See Opening and Closing of the Fuel Tank Cover and see Fuel supply in the LCD Display for Usual Operation section and Fuel Supply Pump section 1
74. he engine starts This is not an error 16 OPERATION OF THE ENGINE WLCD Display for Normal Operation 4 Fuel gauge A CAUTION To avoid personal injury e Before adding fuel be sure to stop the engine Be sure to keep open flame away from the machine Otherwise a fire may result With the starter key at the RUN position the fuel remaining in the fuel tank is indicated in the block 1BAAABFAPO291 1 Fuel gauge A Empty B Full NOTE e Ifthe fuel gauge indicator is near the E or the FUEL message appears add fuel as soon as possible If the indicator is near E and the machine runs on a slope the engine may run out of fuel and get interrupted Fuel supply CAUTION To avoid personal injury e Ifthe fuel is poured too fast the buzzer may not sound according to the fueling process The moment when the fuel tank is nearly full the buzzer starts beeping Look into the fuel tank when pouring the fuel Listen to the buzzer sound for a rough estimate of the fill up progress The following functions are helpful when adding the fuel The fueling process can be monitored by a buzzer sound Procedure 1 Press the work light switch or the display selector switch on the meter with the key OFF Keep the key at OFF 2 The message shown above appears 3 Add fuel 4 The buzzer sound interval changes according to the amount fuel added As the fuel amount becomes close to full
75. he top of the tracks the swivel bearing swivel motor gear and ring gear may be exposed to mud water and other foreign objects The excavator must be properly pressure washed after each use e Thoroughly clean the area around the swivel bearing swivel motor gear and ring gear to remove foreign objects Inspect the swivel motor oil sump if equipped for water contamination If water is present refer to operator s manual for lubricant replacement procedure Refer to operator s manual for proper swivel bearing swivel motor gear and ring gear lubrication procedures O Reinstall any protective covering if removed earlier Avoid applying excessive load with cylinders fully extended or the machine easily gets damaged HOW TO RELEASE PRESSURE TRAPPED IN THE HYDRAULIC SYSTEM Lower the attachments and the dozer blade to the ground Turn the key to STOP position and shut off the engine After stopping the engine turn the key to RUN position Release pressure in the hydraulic system by operating levers with lever lock pulled down When the pressure of the service port lines is released turn on the service port activation switch and move the service port switch to right and left When relieving the residual pressure do it immediately after the engine has stopped EXCAVATOR OPERATION 43 44 TRANSPORTING THE EXCAVATOR ON A VEHICLE TRANSPORTING THE EXCAVATOR ON A VEHICLE A E Transporting on a truck DANGE
76. ii oe hei tans ee eee eee 52 Where Torstore the Fobias dci laicidad idad 52 Where to store the Grease GUN iaiccnia ic a atte 52 Where to keep Operator s Manual ooooooooooocconcconcconcconnnonncnnnnnnnonnnnnnnnnnnnnnnnnnncnnnnnnnnos 53 Utility A O 53 Cup Holder aiii 53 Where to Store the Fire Extinguishe cccccccsseeeececceeeeseseeeseneeeeeeneeeseeeseeneeeeeeneeeees 53 DAILY CHECKS A AREA ATA TA 54 Checking Coolant Level vio ati 54 Checking Fuel Level detalle deslice risa 54 Checking Engine Qil Level orina os ia 55 Checking Hydraulic OiliLevel evocadora 56 Checking WSU ni a a ta A iei 56 Greasing Bucket Pin and Bucket Link Pin ooooo nococccnnnoninncocccconnonnnnnncncncccnnnnnnnnn anno 57 Checking Radiator and Oil Cool r ioocooo ncininnnsioidc cis donee 57 Checking Washer Elquid aid e a len do LA 58 Cleaning Pre Cleaner ecos idad 58 Checking and Cleaning Engine and Electrical WiriN9 ooooooooccccnnnnnniccncccccnnnnnananannnn non 58 Washing Whole Machine copia e aida 58 REGULAR CHECKS AND MAINTENANCE WORK inoocccccccccccccccncnonccnnnonononinnnnnnnnnnnns 59 EVERY 50 SERVICE HOURS ici a Ai 59 Draining the Water from the Fuel Tank ccc ccccccccesesseseecceeeeeeeeseeeneeceteeetenseceeeeceeeeenes 59 Draining Water Separator ici A AA 59 A A 60 Battery CVA GING ts AA AAA A E aE 61 Greasing Swing Bearing Tecla dad 61 EVERY 100 SERVICE HOURS corta aia 61 Greasing Boom Swing FUlCRUNY se
77. in the table are valid only on even hard grounds When lifting on soft ground the machine can tip over due to the load being concentrated only on one side of the machine e The table values are calculated at the end of the arm without the bucket In order to find the allowable loads for machines with bucket the bucket weight must be subtracted from the values in the table Never lift the machine with the angle blade placed at an angle Lift radius Lift point Lift point height Axis of rotation ARREA Ras KX080 3 2100 ARM RUBBER TRACKS STEEL TRACKS 450width A LIFT POINT RADIUS m kg LIFT POINT HEIGHT m OVER FRONT BLADE UP kN LIFT POINT RADIUS m kg LIFT POINT HEIGHT m OVER FRONT BLADE DOWN kN LIFT POINT RADIUS m kg LIFT POINT HEIGHT m OVER SIDE 1BAAABFAP0870 LIFTING CAPACITY 93 KX080 3 2100 ARM LIFT POINT HEIGHT m LIFT POINT HEIGHT m LIFT POINT HEIGHT m STEEL TRACKS 600width LIFT POINT RADIUS m kg OVER FRONT BLADE UP kN LIFT POINT RADIUS m kg OVER FRONT BLADE DOWN kN LIFT POINT RADIUS m kg OVER SIDE
78. jury Do maintenance work on the excavator only on level ground with the engine off and the lock lever in the Lock position Checks Go around the excavator and check for visual damage and wear Check coolant level See regular check points in the chapter on maintenance Check fuel level Check engine oil level Check hydraulic fluid level Check air filter for clogging Check all grease points Check all control lamps indicators tachometer and hour meter Check the light system Check the seat belt and the ROPS OPG Top Guard Level safety device Check the condition of the safety and warning labels See DANGER WARNING AND CAUTION LABELS in SAFE OPERATION MWiper Washer Switch To move the wiper turn on the switch for the wiper when the starter key in position RUN 8 A further push on the switch will activate the washer system Even when the wiper switch is in position OFF the washer switch functions if it is pressed Do not activate the washer switch if the tank for the cleaning fluid is empty the pump can be damaged e Do not activate the wiper switch if the window is dry In this case make sure that cleaning fluid is applied to the pane before activating the wiper e In frosty conditions make sure that the wiper blade is not frozen to the glass before switching on The motor can be damaged if the wiper system is used under such conditions 1BAAABFAPOO08A
79. just them 2 Check track tension 50 hours after initial use and readjust if necessary Check and adjust thereafter every 50 service hours MW Special Information when Using Rubber Tracks 1 When turning make a slow swing turn Avoid spin turns to reduce lug wear and entry of dirt 2 The relief valve may be activated if too much dirt and sand clog the tracks In this case move the machine for a short distance straight backwards to let the earth and sand fall off then a turn can be made 3 Avoid using rubber track on riverbeds stony underground ferro concrete and on iron plates The rubber can damage as well as increase wear on the tracks 80 OTHER ADJUSTMENTS AND REPLACEMENTS CHANGING THE BUCKET A CAUTION To avoid personal injury There are two people required to replace the bucket One person operates the excavator and the other one mounts the bucket The person who mounts the front must command guide the movements of the front end attachments The operator should move the front end attachments only according to the commands of the person who mounts the bucket A continuous intervisibility between both persons is indispensable If there is no intervisibility stop working immediately When replacing the bucket make sure to wear an eye protection a helmet and protective gloves e During attaching and detaching chippings and burns may occur at the bolts or bushings These may cause severe injuries Never
80. k the electrical circuitry for disconnections shorts or loose terminals Washing Whole Machine IMPORTANT e Do not wash the excavator with the engine running Water could enter the air filter and damage the engine Make sure that the air filter is kept dry Remove the mud before washing the machine REGULAR CHECKS AND MAINTENANCE WORK 59 REGULAR CHECKS AND MAINTENANCE WORK A CAUTION To avoid personal injury e Do not operate the excavator while putting out the hands and the body from the windows e Do not touch the control levers and the pedals from outside the cab during the engine running EVERY 50 SERVICE HOURS Draining the Water from the Fuel Tank A CAUTION To avoid personal injury e Before draining the water from the fuel tank be sure to stop the engine and remove the key e Do not smoke during inspection Open the side cover Open the drain cock N 1BAAABBAPO36A 1 Drain cock Draining Water Separator 1 Open the side cover 2 When the separated water is entering the sediment cup the red float moves upwards When the float reaches the line close the cock so that no fuel can run out Now loosen the ring nut and remove the cup and empty completely 3 Finally do not forget to open the cock and close the side cover after the cup has been reinstalled 1BAAABBAP022A 1 Ring nut 4 Float 2 Cup 5 Line 3 Cock 60 REGULAR CHECKS AND MAINT
81. ked or left unattended on a slope be sure to put the bucket on the ground and place all control levers in neutral position then brace the tracks with chocks 1BAAABSAP028A 1 Chock EXCAVATOR OPERATION 29 OPERATION OF THE DOZER 1 To raise the dozer pull back the control lever To lower the dozer push the control lever forward 1BAAABFAP029E 1 Dozer control lever A Raise B Lower 1BAAABFAP047A A Raise B Lower 2 While undertaking earth moving work control both drive levers with the left hand and the dozer control lever with the right hand 30 EXCAVATOR OPERATION TWO PATTERN SELECTION SYSTEM TPSS CAUTION To avoid personal injury e Study control lever pattern A and pattern B Then choose the one which is most familiar e Position the pattern selector lever located on the left side of operator s seat in either the rear position pattern A or the front position pattern B e Engage the lock lever to prevent accidental pattern change e Familiarize yourself with the pattern selected by operating slowly M Pattern Change 1 Loosen the lever lock knob 2 and slide it to the direction a and position the pattern selector lever 1 to the desired position 2 Slide the lever lock knob 2 to the direction b and tighten it 1BAAABBAP101B 1 Pattern selector leve
82. l the grip to release the lock and pull side window open to the rear or to the front 2 To close the side window slide it forward or backward until the lock snaps in at the window frame 1BAAABFAP022A 1 Grip Emergency Hammer A CAUTION To avoid personal injury e When breaking the window pane close your eyes and cover them with an arm Emergency hammer is for breaking window pane to escape urgently away from excavator as a result of window rail locking mechanism failure 1BAAABDAP010B 1 Emergency hammer 10 CHECKS BEFORE START AIR CONDITION ER Position the inlet selector lever to the desired position H Air Flow Air in the CAB and fresh air introduced into the CAB flow as shown in the figure Adjust the five air outlet ports to obtain the desired condition 1BAAABBAP049A 1 Inlet selector lever A FRESH AIR INLET position B INNER AIR RECIRCULATION position 1BAAABFAP007A A DOOR WINDOW B WIND SHIELD C CHEST AREA D FOOT AREA 1BAAABBAPO71A 1BAAABFAPO11A C CHEST AREA Z Oe re vs LOS a a E e 1BAAABSAP022A dr F FRESH AIR INLET IMPORTANT e Do not allow water to enter the fresh air port while washing the excavator MAir Control Vent Front air outlet The f
83. led down the engine fails to start If you try to start the engine with the key with the lock lever down the following message appears momentarily on the meter display 31 mw unload lever TBAAAAQAP0570 1 Lock lever Unload lever A Unlock 24 EXCAVATOR OPERATION DRIVING A WARNING To avoid personal injury or death e Before starting the engine make sure that no one is near the excavator e Before operating the excavator check the track direction Front idler and dozer blade to the front of the excavator he 1BAAABSAP026C A Front of the excavator Use extra caution when traveling across a slope or working sideways on a slope 1AAABANAPO31A Recommended technique for working on a slope 1BAAAAAAP0940 j 1 Adjust the engine speed from idling to an intermediate speed 2 Unlock the lock levers and pull in the bucket and hold the bucket about 20 to 40 cm above the ground 3 BRR 1BAAABFAPO34B ENS 1 Lock lever A Unlock ABAAABSAP025A A 20 to 40 cm 3 Activate the dozer control lever to raise the dozer 1BAAABFAP0290
84. lement downward Replace the O ring with a new one Apply a light coating of clean hydraulic oil to the O ring and fit it to the case firmly Be careful not to scratch the O ring 7 Attach the case to the head cover firmly 8 Let the engine run for approx 3 minutes 9 Check the oil level of hydraulic oil tank then tighten the oil filling plug Na oun Ww 1BAAABDAP030A 1 Rear left cover 1BAAABBAPO65A 1 Head cover 2 Element 3 O ring 4 Case 72 REGULAR CHECKS AND MAINTENANCE WORK Hydraulic Oil Change Including Replacing of the Suction Filter in the Hydraulic Tank A CAUTION To avoid personal injury Wait long enough for the hydraulic fluid to cool down Then begin with the change of the hydraulic fluid Use stepladder to work safely when the suction filter is extracted from the oil tank 1 Move the excavator to a level ground and stop the engine Extend the piston rods of the cylinders halfway out and lower the bucket on the ground Vi 1BAAABSAPO004A 2 Gradually loosen oil filling plug on the tank to release pressure in the tank 3 Remove the drain plug on the underside of the hydraulic tank and drain the oil 4 Remove the hydraulic tank cover 5 Remove and exchange the suction filter 6 Retighten the drain plug
85. lve to the 1 way circuit position to reduce the back pressure 2 When equipment which needs a 2 way circuit will be used position the arrow on the axis of the selection valve to the 2 way circuit position NOTE e 1 way circuit HAMMER etc e 2 way circuit THUMB TILT BUCKET AUGER GRAPPLE etc 1BAAABDAP093A 1BAAABDAP092B A Hydraulic flow 1 Selection valve A CAUTION To avoid personal injury Stop the engine before removing changing the equipment O Release pressure in the hydraulic system before removing changing the equipment See HOW TO RELEASE PRESSURE TRAPPED IN THE HYDRAULIC SYSTEM e Position the selection valve to the correct position either 1 way or 2 way circuit selection before mounting the equipment e Always select the correct valve position before mounting the equipment 1 way or 2 way circuit selection to avoid sudden movement of the equipment NOTE e Leaving the selection valve to 1 way circuit selection and attaching 2 way circuit equipment may cause the equipment to move drop suddenly due to its own weight as the tank line remains open even with the engine off EMERGENCY SHUT OFF VALVE A WARNING To avoid personal injury or death If the boom drops and the emergency shut off valves are activated immediately move away from the suspended object When the hose of the boom cylinders are ruptured and the boom falls the emerge
86. ly 2 Turn off the engine at all times when filling with fuel Avoid spilling and over filling of fuel 3 Smoking is prohibited while refueling or handling the battery Keep sparks and fire away from the fuel tank and battery Flammable gases escape from the battery especially during charging 4 Do not use or charge the refillable type battery if the fluid level is below the LOWER lower limit level mark Otherwise the battery component parts may be prematurely deteriorated which may shorten the battery s service life or cause an explosion Check the fluid level regularly and add distilled water as required so that the fluid level is between the UPPER and LOWER levels 5 Read and follow the directions STARTING WITH AN AUXILIARY BATTERY in OPERATION OF THE ENGINE when starting with an auxiliary battery 6 Keep a first aid box and a fire extinguisher at hand at all times 7 Do not open the radiator cap before the radiator has cooled down sufficiently First loosen the cap to the first stop and allow the system enough time to release the remaining pressure Then loosen the cap completely 8 To avoid short circuiting the battery always remove the ground cable first and attach the positive cable first SAFE OPERATION amp 5 9 Leaking hydraulic fluid has enough pressure to penetrate the skin and cause serious injuries Leakages from pin holes can be totally invisible Do not use hands for checking for leaks Always use
87. many helpful hints about excavator maintenance It is KUBOTA s policy to utilize as quickly as possible every advance in our research The immediate use of new techniques in the manufacture of products may cause some small parts of this manual to be outdated KUBOTA distributors and dealers will have the most up to date information Please do not hesitate to consult with them Please note that there may be some differences between your actual machine and the illustration in the instructions AX SAFETY FIRST This symbol the industry s Safety Alert Symbol is used throughout this manual and on labels on the machine itself to warn of the possibility of personal injury Read these instructions carefully It is essential that you read the instructions and safety regulations before you attempt to assemble or use this unit Indicates an imminently hazardous situation which if not avoided will result in death or serious injury Indicates a potentially hazardous situation which if not avoided could result in death or serious injury Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury IMPORTANT Indicates that equipment or property damage could result if instructions are not followed NOTE Gives helpful information CONTENTS ASAFE OPERATION ass OIR O eects A 1 DEALER SERVICE etnien as 1 TECHNICAL DATA nia AA A ALAN A T 2 DESCRIPTION OF MACHINE PARTG ccceeeeeee
88. ncy shut off valve is activated and stops the boom part way through the fall If the emergency shut off valves 1 are activated immediately set the operating lever to the neutral position Do not move the operating lever to the boom lowering side Contact a KUBOTA dealer for maintenance 1BAAABBAPO30A 1 Emergency shut off valves EXCAVATOR OPERATION 41 BOOM LOWERING VALVE Use this valve if the engine fails to get started and the accumulator fails to operate and there is an urgent need to lower the boom A WARNING To avoid personal injury or death When the engine functions move the control lever to lower the boom Never use the boom lowering valve e Before starting this job make sure there is nobody below the boom e Loosen the boom lowering valve plug slowly 45 degree turn at a time Be careful not to loosen it a full turn or more at once because otherwise oil may squirt out accidentally 1 Make sure that the engine has stopped 2 Open the fuel tank cover 3 Loosen the boom lowering valve plug NT NEN AAE IN S AE AN 1BAAABVAP135B 1 Boom lowering valve plug 42 EXCAVATOR OPERATION AUTO IDLE Al OPERATION 1 Throttle Potentiometer With this potentiometer the operator can adjust the IMPORTANT INFORMATION ON EXCAVATOR OPERATION Do not try to crush concrete or boulders using side engine speed when the Auto Idle control is activated Switch for Auto I
89. nd longevity During the running in the following points should be adhered to in all cases M Do not Work with Full Engine Rpm s or Full Loads during the First 50 Working Hours e Let the engine warm up sufficiently in the cold season e Do not let the engine rev up more than necessary MOil Change in the Run in Stage The lubrication oil plays a specific and important role during the run in phase of the excavator The numerous movable parts are not yet run in so many fine metal particles are generated and cause damage and shorten the life of many components Pay attention to the oil change intervals and complete them sooner than later See REGULAR CHECKS AND MAINTENANCE WORK section for more details on the oil change intervals M Seat Belt A WARNING To avoid personal injury or death Always use the seat belt with a ROPS OPG Top Guard Level I protection structure Adjust the seat to the optimal position and buckle up x 1BAAABFAPO30A 1 Seat belt STARTING A CAUTION To avoid personal injury e No persons other than those who have read and understand this manual and who are familiar with the excavator should be allowed to use the excavator Do not allow any person other than the operator to ride on the excavator Do not operate the excavator while putting out the hands and the body from the windows e Do not touch the control lev
90. nders scastacesan teenltshdatan Gag nlatatesheandneat cendiatstaneetaneaeen Wola ects 61 EVERY 200 SERVICE HOURS nus ia ea aiii 62 Adjusting V belt Tension i sritan liada dr tia 62 Checking Radiator Hoses and ClaMpS ccooccccccononcconcnococonananannnonnccnnnnannnnnnnnnnnnnnnnnnnnnnnnno 63 Inspection and Cleaning Air Filter Element ooooconnnnonccccnnnnnncnonananonononononnna nn nnncnnnnnnnnnnns 63 Air Filter Maintenance soso isacia nad dia da ce staneet 64 Greasing Swing Ball Bearing tit a di 64 Checking Fuel Line and Intake Air Line c ccceeeeeeeeeeeeeeeceeeeeeeeseeecenseeeeeeeeessseeneeees 65 AIRCONDITION ER 000 a atan 65 A ne chi eet at eco Gach t net casata ts Cals dats te dea TES 65 Checking Air Conditioner Condenser 2 cseseseceeceeeeeeenessecceeccaneeeeeseeegeeceeeeeeeeneeenneceee 66 EVERY 250 SERVICE HOURS nviiiosapi ai 67 Engine Oil Change First Engine Oil Change after 50 Service Hours 67 Replacing Engine Ol Filteren a eaaa a E AA E id 68 Greasing Front Attachments without Bucket Pin and Boom Swing Fulcrum 68 EVERY 500 SERVICE HOURS areare radar o ae E REEE ar Eea aei de 69 Drive Unit Oil Change First Oil Change of the 100 hours 69 Replacing Fuel Filter Cartridge cooiococccin ii ci lecueaecdeadieews 70 Replacing Hydraulic Return Filter Cartridge first replacement after 250 service hours 70 EVERY 1000 SERVICE HOUR Sii inca pad le E A EN EELEE EGEE 71 Replacing the Hydraulic Pilo
91. ng backward N Neutral position Change of Direction while Stationary 1 Push the left drive lever forward the excavator will turn in the direction of the arrow of the illustration below 1BAAABBAP1050 A Travelling forward N Neutral position 1AAABANAP0040 28 EXCAVATOR OPERATION 2 Pull the left drive lever backward the excavator will turn in the direction of the arrow of the illustration below 1AAABANAP0050 MSpin Turn When both drive levers are activated in the opposite directions both tracks will rotate with the same speed but in opposite directions The center of rotation is the center of the excavator 1BAAABBAP1060 1BAAABBAP1070 B Right spin turn UP AND DOWNHILL DRIVING A CAUTION To avoid personal injury When travelling up or down a slope use extra caution and follow the instructions below While traveling uphill keep the lower edge of the bucket approx 20 to 40 cm above the ground Although the KUBOTA excavator will not slip easily because of the tracks it is safer to let the bucket slide over the ground while traveling downhill Always choose slow speed for uphill and downhill traveling UPHILL TRAVELING 1BAAABSAP025B A 20 to 40 cm DOWNHILL TRAVELING 1BAAABSAP027A PARKING ON A SLOPE A WARNING To avoid personal injury or death eo When the excavator is par
92. o the left 3 Step on the right side of the pedal to swing the boom to the right ZA 1BAAABBAPO29A 1 Boom swing pedal 2 Pedal lock 1BAAGAAAP045A IMPORTANT Do not operate the left attachment control lever abruptly from right to left or vice versa Because the low of inertia cause high impact load on the swing gear and the swing motor shortening the life of the excavator EXCAVATOR OPERATION 33 34 EXCAVATOR OPERATION SERVICE PORT OPERATION NOTE When the lock lever is raised the service port activation switch is off Let the engine warm up after start up for approx 10 minutes under no load conditions Mi First Service Port Operation The service port switch is used to operate hydraulic attachment such as hammers y 1 0 Turn the starter key to the RUN position aN wn CN Lower the lock lever Unlock md Move the service port switch to the right m gt to send oil to the port 6 Move the service port switch to the left lt to send oil to the port PJ e Proportional control allows for slow to fast movement of attachement Example If you move the slider switch halfway the attachment will move at approximately one half speed 1BAAABFAPO39A EXCAVATOR OPERATION 35 Usual settings e Action mode of the first service port operation Itis possible to select fr
93. oid personal injury e Do not touch the water hoses or the heater with your hand You may get burned Replace air conditioner pipes and hoses every two years If the hoses or pipes are swollen hard or cracked they must be replaced earlier M Replacement of Radiator Hoses and Hose Clamps Replace radiator hoses and hose clamps every two years If the hoses are swollen hard or cracked they must be replaced earlier 1BAAABSAP017B O 1 Radiator hoses 2 Hose clamps REGULAR CHECKS AND MAINTENANCE WORK 75 MW Changing Radiator Coolant A CAUTION avoid personal injury When using anti freeze put on some protection such as rubber gloves Anti freeze contains poison e If you accidentally swallowed anti freeze seek medical attention at once When anti freeze comes in contact with the skin or clothing wash it off immediately e Do not mix different types of Anti freeze The mixture can produce chemical reaction causing harmful substances e Anti freeze is extremely flammable and explosive under certain conditions Keep fire and children away from anti freeze When draining fluids from the engine place some container underneath the engine body e Do not pour waste onto the grounds down a drain or into any water source Also observe the relevant environmental protection regulations when disposing of anti freeze e If swallowed anti freeze people animals and bir
94. om four action modes of the first service port operation by pushing the service port activation switch Each time the service port activation switch is pushed the action mode changes from 1 through 4 O No lighting No activation Gi Ni A AE Continuous Max flow volume fe lighting Theoretical volume a 100 L min NY MY 20 gt 0 gt 3 Slow blinking Limited flow volume mw SN Modes Theoretical volume can be limited Sever Seo o3 Fast blinking One way flow Send er oil to the port PB only 1BAAABFAP040A NOTE When turning the starter key to the RUN position the action mode will return to the last action mode used Initial setting of limited service port flow volume Make this setting first No lighting No activation Continuous Max flow volume lighting Theoretical volume 100 L min E ALOE Fast blinking One way flow Send Mode4 A ie fe oil to the port J only 1BAAABFAP040B 36 EXCAVATOR OPERATION e Setting of limited flow volume Max flow volume right and left can be adjusted in 15 stages independently flow control 4 a Blinking Mood TA E Y Max flow control N 4 B14 je Turn the starter key to the RUN position while pushing the flow volume setting switch Release the hand from the switch after the engine starts The m
95. or belt tension 1 Press the alternator belt down in the middle with a force of approx 10 kg The belt tension is correct if it deflects about 10 mm If otherwise loosen bolt 1 and 2 and shift the alternator 3 in the direction shown by the arrow 2 Replace the alternator belt if worn out cracked or torn 1BAAABSAP039A 1 Bolt A about 10 mm 2 Bolt B approx 10 kg 3 Alternator IMPORTANT e lf the engine is run with a loose alternator belt the belt could slip and cause insufficient battery charging Check alternator belt tension regularly e Should the alternator belt break or jump off the indicator light for battery charge will light up Stop the engine and remove the key immediately REGULAR CHECKS AND MAINTENANCE WORK 63 Checking and adjustment of the fan belt tension 1 Press the fan belt down in the middle with a force of approx 10 kg The belt tension is correct if it deflects about 20 mm If otherwise loosen bolt 1 and 2 and shift the air compressor 3 in the direction shown by the arrow 2 Replace the fan belt if worn out cracked or torn 1BAAABSAP043A 1 Bolt A about 20 mm 2 Bolt B approx 10 kg 3 Air compressor IMPORTANT e Ifthe engine is run with a loose fan belt the belt could slip and cause overheating of the engine Check fan belt tension regularly e Ifthe engine is run with a loose fan belt the belt could slip and cause insufficient battery ch
96. p so that your excavator offers the best performance After having carefully read these instructions you will realize that much of the routine maintenance can be done by yourself Your KUBOTA dealer is responsible for servicing and the delivery of spare parts When ordering spare parts from your KUBOTA dealer always mention the serial number of the excavator and the engine Note these numbers right away in the supplied lines Model Serial No Excavator Engine Dealer s name To be filled in through the owner DEALER SERVICE 1 oa 1BAAABBAPOS9A A 1 Serial No KUBOTA Corporation 2 47 Shikitsuhigashi 1 Chome Naniwa ku Osaka 556 8601 JAPAN MODEL ENGINE No MOS PRODUCT IDENTIFICATION NUMBER ll 1ABAHAAAP004M 1 Engine serial No 2 TECHNICAL DATA TECHNICAL DATA KUBOTA EXCAVATOR Model name KX080 3 Type Cabin Operating weight Rubber tracks Steel tracks Steel tracks including operator s weight 450 width 600 width kg Ibs 8280 18254 8330 18364 8460 18475 Type Water cooled 4 cycle diesel engine with 4 cylinder Model name KUBOTA V3307DI T Total displacement cc 3331 Engine SAE eN l 52 2 70 0 Engine Hp power SAE net kW Hp
97. r Two Pattern Selection System TPSS 2 Lever lock knob 3 Pattern A 4 Pattern B 1BAAABFAPO029 Lever Position Pattern A Pattern B Attachment A Boom down Arm up Control Lever B Boom up Arm crowd Left C Swing left Swing left D Swing right Swing right Attachment I Arm up Boom down Control Lever II Arm crowd Boom up Right II Bucket crowd Bucket crowd IV Bucket dump Bucket dump OPERATION OF THE BOOM To raise the boom pull the attachment control lever back The boom is equipped with a cushion cylinder which helps prevent excavated material in the bucket from falling out Low hydraulic oil temperature e g after starting the engine in cold weather the cushioning function will be effected for a short period of time approx 3 to 5 seconds This condition results from the viscosity of the hydraulic oil and is not a sign of malfunction The cushion cylinder will operate normally as the oil warms up To lower the boom push the attachment control lever forward Pattern A Pattern B 1BAAABSAP029B IMPORTANT When lowering the boom make sure that it does not hit the dozer and that the bucket teeth do not touch the dozer EXCAVATOR OPERATION 31 OPERATION OF THE ARM Pull back the attachment control lever and the arm will be pulled in To move the arm out push the control lever towards the front
98. r attachment control in the LOCK position 17 KUBOTA uses no parts which are lined with asbestos Do not use these kind of parts even if they are available and can be installed 18 Fire prevention Excavator and some attachments have components that are at high temperatures under normal operating conditions The primary source of high temperatures is the engine and exhaust system The electrical system if damaged or incorrectly maintained can be a source of arcing or sparks The following fire prevention guidelines will help to keep your equipment up and running efficiently and keep the risk of fire to a minimum e Blow off all accumulated debris near hot engine exhaust components such as turbocharger and exhaust manifold as well as exhaust pipes and muffler more frequently when working in severe conditions Clean out all accumulated flammable debris such as leaves straw pine needles branches bark small wood chips and any other combustible materials from inside the machine belly pans or lower unit structures as well as from area in proximity to the engine e Inspect all fuel lines and hydraulic hoses for wear or for deterioration Replace them immediately if they begin to leak Examine electrical wiring and connectors frequently for damage Repair any wires that are loose or frayed before operating the machine Clean all electrical connections and tighten all electrical connections as necessary Inspect the exha
99. r any reason make sure all parts are reinstalled correctly Tighten mounting bolts to proper torque 4 ROPS meets requirements of ISO 12117 2 OPG Top Guard Level I meets requirements of OSHA 1926 1003 1SO 10262 5 The seat belt must be inspected regularly and replaced if damaged x 1BAAABFAPO30A 1 Seat belt 6 Always sit in the operator s seat when starting engine or operating levers or controls 7 Study control lever pattern A and pattern B Then choose the one which is most familiar Familiarize yourself with the pattern selected by operation slowly at low engine speed e Engage the lever lock to prevent accidental pattern change 1BAAABBAP101A 1 Pattern selector lever Two Pattern Selection System TPSS 2 Lever lock knob 8 Do not operate the excavator while under the influence of alcohol medication controlled substances or while fatigued 2 SAFE OPERATION 9 Check the surroundings carefully before using the excavator or when attachments are being attached e Pay attention to the overhead clearance with electric wires 1BAAAAAAP 1820 e Check for pipes and buried cables before digging e Check for hidden holes hindrances soft underground and overhangs 1BAAAAAAP 1830 e During excavator use do not allow any persons within the working range 10 Do not allow other persons to use the machine be
100. r for details M Checking the Alternator and Starter Motor NOTE e Contact your KUBOTA dealer for details EVERY 3000 SERVICE HOURS MW Checking Injection Pump Consult your local KUBOTA Dealer for this service ANNUAL SERVICING MElectrical Wiring and Fuses Check the terminals periodically for proper connections Loose wiring or damaged cables can cause improper functioning or short circuiting of the electrical system Check wiring and replace damaged components immediately If a fuse blows out soon after having been replaced contact your nearest KUBOTA dealer Never use a fuse other than specified MH Checking the Electrical Circuit Check the electrical circuitry for disconnections shorts or loose terminals MH Checking Air Conditioner Pipes and Hoses A CAUTION To avoid personal injury e Do not touch the air conditioner hoses or the heater with your hand You may get burned 1 Check to see that all lines and hose clamps are tight and not damaged 2 If hoses and clamps are found worn or damaged replace or repair them at once Consult your local KUBOTA Dealer for this service BIENNIAL SERVICING A CAUTION To avoid personal injury e Do not loosen the radiator cap before the radiator has cooled down sufficiently Then only loosen the cap and allow enough time for the pressure in the system to be released Now remove the cap completely Replacing Air Conditioner Pipes and Hoses A CAUTION To av
101. r liquid check Daily check 58 Engine and electrical wiring check Daily check every year 58 Fuel tank Water separator drain O O O O O O O O O every 50 hrs 59 59 10 Battery condition check OIoOoOlIOoOoIOoOoIOIOIOIOIO every 50 hrs 60 11 Greasing swing bearing teeth OIoOoOlIOoOoIOoOoIOIOIOIOIO every 50 hrs 61 y check Daily check 56 12 V belt tension adjust O O every 200 hrs 62 check every 200 hrs 63 13 Radiator hoses and clamps O O Y replace every 2 years 74 clean every 200 hrs 63 2 Air filter Outer element O O y 14 element replace every 1000 hrs 73 2 Inner element replace every 1000 hrs 73 2 15 Greasing swing ball bearing O O every 200 hrs 64 16 Fuel filter cartridge replace every 500 hrs 70 17 Engine oil filter replace O every 250 hrs 68 18 Drive unit oil change every 500 hrs 69 19 Hydraulic return filter cartridge replace every 500 hrs 70 20 Hydraulic suction filter element replace every 1000 hrs 72 21 Filter in the pilot hydraulic system replace every 1000 hrs 71 22 Fuel injection nozzle injection check every 1500 hrs 74 4 pressure 23 Front idler and track roller oil change every 2000 hrs 74 24 Alternator and starter motor check every 2000 hrs 74 25 Injection pump check every 3000 hrs 74 4 26 Radiator system rinse every 2 years 75 check every 200 hrs 65 27 Fuel line and Intake air line O O 2 replace every 2 years 76 3 500 thru 1000 continued to the following table MAINTENANCE
102. red Get it restarted to see alternator defective i If the message if there is the message again stays on contact your local dealer for repair The engine has been F Pull up the lock Il tarted with the lock The engine failsto dstartth TBRARAOAPOSTE Yellow started wi e loc start ever and startthe lever down engine Carry out the specified The hour meter has maintenance job az Auf 1500 HR Siew reached the specified y and reset the TBARAACAPOS9A Y count up Carry out the warning by a long maintenance job push of the display selector switch No message Sensor powerline short The work light lights al red contact your local warning lamp flashing circuited up dealer for repair TROUBLESHOOTING 85 Service hour meter When the hour meter has counted up to the hours circled in the maintenance list below the message appears The message shows up as follows Hour meter indicator No Check points Measures Interval 50 100 250 300 550 600 750 800 1000 1 Engine oil OIO O every 250 hrs change 2 Hydraulic oil ado hrs Outer element Cj every 1000 Air filter hrs 3 replace element every 1000 Inner element O hrs 4 Drive unit oil change O O every 500 hrs 5 Engine oil filter OLO ic every 250 hrs Hydraulic return filter 6 cartridge replace O O every 500 hrs Hydraulic suction filter every 1000 7 O element hrs
103. ridge must be changed more often because of contamination resulting from the frequent assembly and disassembly of the hoses 2 Use the correct replacement filter cartridge 3 Oil change according to operating hours Hydraulic oil Return filter cartridge Normal every 500 Hrs excavator every 1090 250 Hrs after first work Pirs operation 20 every 800 Hrs Hammer 40 every 400 Hrs work every 200 Hrs portion 60 every 300 Hrs every 100 Hrs more every 200 Hrs EVERY 1000 SERVICE HOURS OR ONCE A YEAR Replacing Air Filter Element Open the engine hood and remove the dust cover Remove and replace the outer element and inner element with new elements When reassembling install the dust cover so that its TOP mark arrow faces up wards oN 1BAAABSAPO40A 1 Inner element 2 Outer element 3 Dust cover 4 Clamps IMPORTANT e Shorten the replacement period if the machine is used in dusty or sandy areas 74 REGULAR CHECKS AND MAINTENANCE WORK EVERY 1500 SERVICE HOURS Checking Fuel Injection Nozzle Injection Pressure Consult your local KUBOTA Dealer for this service EVERY 2000 SERVICE HOURS Do all 50 100 200 250 500 and 1000 hour servicing at the same time Changing Front Idler and Track Roller Oil NOTE e Contact your KUBOTA deale
104. ront air outlets can be independently adjusted as required To defrost the windshield rotate the outlets toward the windshield 1BAAAAKAPO04A 1 Front air outlet A WINDSHIELD B CLOSED C CHEST AREA A CAUTION To avoid personal injury Replace the water hoses every two years e Inspect daily Have the excavator repaired immediately if any of the following defects are discovered Such defects may cause burns or injury They may also cause engine failure by serious damage O Scratches cracks or swelling in water hoses o Water leaks at joints or connecting points e Missing or damaged water hose protective sleeve or grommet Loose mounting bolt damaged bracket e Do not touch the water hoses or the heater with your hand You may get burned e If the window fails to defrost in extreme conditions or becomes cloudy when dehumidifying the CAB remove moisture with soft cloth Do not block all the air outlets of the air conditioner A trouble may result CHECKS BEFORE START 11 MW Control Panel ODE EEEE Se 1BAAABBAP075B 1 Air conditioner switch with indicator light 2 Temperature control lever 3 Blower switch Air Conditioner Switch with Indicator Light Push this switch to activate the air conditioner An indicator light will light up when the switch is set to ON Push switch again to turn air con
105. sel fuel only No fire LOW SULFUR FUEL OR ULTRA LOW SULFUR FUEL ONLY 1BAAGAAAP 1000 1BAAABSAP011A 1BAAABBAPO20A 1BAAABSBP0020 1 Part No RD809 5795 1 Do not loosen the grease nipple completely or too quickly 1BAABAMAP0010 3 Part No RC108 5754 1 gt A CAUTION la TO AVOID SCALDING Stop engine and allow radiator to cool before opening cap 1BAAAAQAP0890 SAFE OPERATION amp 9 2 Part No 6C040 5559 1 DANGER EXPLOSIVE GASES Cigarettes flames or sparks could cause battery to explode Always shield eyes and face from battery Do not charge or use booster cables or adjust post connections without proper instruction and training KEEP VENT CAPS TIGHT AND LEVEL POISON CAUSES SEVERE BURNS Contains sulfuric acid Avoid contact with skin eyes or clothing In event of accident flush with water and call a physician immediately KEEP OUT OF REACH OF CHILDREN 1BAAAAQAPO0960 1BAAABBAP 113A or E SARA MORAS SRAM SE Ze RO QE ql E Y Ny D oe YZ lt Q AK 1BAAABBAP044C 1B BAP013C 4 10 SAFE OPERATION 1 Part No RC788 5727 1 2 Part No RD809 5745 1 Do not allow any persons within the Do not touch hot parts working range such as exhaust etc
106. starts flashing and the following message appears in the display Charge E TBAAAAQAP05 Engine oil pressure low warning When the engine oil pressure drops too low the 44 lamp red starts flashing and the following message appears in the display Immediately stop the engine and check the engine oil level Engine oil h TBAAAAQAP0550 18 OPERATION OF THE ENGINE MW Warning Lamp The warning lamp is used to indicate broken wire short circuit fuel shortage and other problems The warning lamp starts flashing in red if any trouble occurs lf the system gets in warning signal the warning lamp starts flashing in yellow IMPORTANT e Do not just look at the meter but also carry out the inspection and correction accordingly NOTE e The warning lamp starts flashing in red if a serious problem occurs If the system gets in warning signal the warning lamp starts flashing in yellow Warnings and errors are displayed and an alarm buzzer beeps Let your KUBOTA dealer inform you of details concerning care and maintenance gt MN EA 1BAAABFAP029K 1 Warning lamp red yellow 2 LCD display Fuel Supply Pump A DANGER To avoid serious injury or death e Do not use the fuel supply pump for gasoline or hydraulic oil Doing so could result in explosion or damage Only use the fuel supply pump for diesel fuel A CAUTION To avoid personal injury
107. sulphuric acid solution of the same concentration 4 Clean the battery caps ventilation holes A eo E Nas W e de UNS oe SO 1BAAABBAP044A 1 Battery 1BAABAAAP388A A Battery fluid level B Too low C Correct D Too high AAA REGULAR CHECKS AND MAINTENANCE WORK 61 Battery Charging A CAUTION To avoid personal injury When the battery is being activated hydrogen and oxygen gases in the battery are extremely explosive Keep open sparks and flames away from the battery at all times especially when charging the battery When charging battery remove battery vent plugs When disconnecting the cable from the battery start with the negative terminal first When connecting the cable to the battery start with the positive terminal first e Do not check battery charge by placing a metal object across the terminals Use a voltmeter or hydrometer 1 Make sure each electrolyte level is to the bottom of vent wells If necessary add distilled water in a well ventilated area 2 The water in the electrolyte evaporates during recharging Liquid shortage damages the battery Excessive liquid spill damages the excavator body 3 To slowly charge the battery connect the battery positive terminal to the charger s positive terminal and the negative to the negative one Then recharge in the standard fashion 4 A boost charge is only for
108. t Filter Element oooononnoncccnnnnnncccononccncnnonononnnanoncnnncnnnnnnnns 71 Hydraulic Oil Change Including Replacing of the Suction Filter in the Hydraulic Tank 72 Hydraulic Oil Check with Hydraulic Hammers oooooccccocccccccccnconanncnnnnnnnncnnnnnanonnnnncnnnnnnnns 73 EVERY 1000 SERVICE HOURS OR ONCE A YEAR coccccoccccnnnononnnnonnnnnnnnnnnnnnnnnn 73 Replacing Air Filter Elmer 73 EVERY 1500 SERVICE HOURS adi add 74 Checking Fuel Injection Nozzle Injection Pressure c ceeecceeeeeeeeeeeeeeeeeeeeeeeeeentaaeees 74 EVERY 2000 SERVICE HOURS ciao 74 Changing Front Idler and Track Roller Oil ccceeeceeeeeeeeeecneeeeeeeeeeeeeeeneeeeeeeeeeeeneeaaaees 74 Checking the Alternator and Starter Motor c ccccceeeeeeeeeeeeneeeeeeeeeeteeeneeeeeeeeeeeeeeenaaaees 74 EVERY 3000 SERVICE HOURS caca a tada dd 74 CHECKING IM SCHOR PUPP ea di a a in nae Whe cache statue tay 74 ANNUAL SERVICING 2d A a 74 Electrical Wiring and FUSES ustiaason tii tii tdt 74 Checking the Electrical CiU uc A ences thie dsd 74 Checking Air Conditioner Pipes and HOSesS oooocococccccccccccinoncoconcnnnccnnnnnnnncnnnnnnnnnanannnnnno 74 BIENNIAL SERVICIN O tudio 74 Replacing Air Conditioner Pipes and HoSs8S oooocccocccocccccccoconononnonnno nono cnn nono nono nono nnnnnnnnnnnns 74 Replacement of Radiator Hoses and Hose Clamps oooocccoccccconcccccoccooononn non nnnnnnnnnnnnnnnnnnns 74 Changing Radiator Coolants arcaicas par tin craneales hades
109. the buzzer sound changes to continuous beeping Water Temperature Gauge A CAUTION To avoid personal injury Donot open the radiator cap during or just after operation Hot coolant may gush out and scald you Wait for the coolant to cool down before opening the cap With the starter key at the RUN position the cooling water temperature is indicated If the water temperature indicator is near H take the steps below 1 Discontinue the job 2 Reduce engine rpm s to idle and keep it at idle for 5 minutes 3 Stop the engine and check the following points 1 3 1 Low coolant level or leak 2 Fan belt tension 3 Mud or dust deposits on radiator 1BAAABFAPO29J 1 Water temperature gauge A WATER TEMP LOW B WATER TEMP HIGH Hour meter Indicates the total operating hours of the machine How the indicator works e The meter advances one hour after an hour of operation regardless of the engine rpm Engine tachometer Indicates the current rpm of the engine NOTE The LCD display may be illegible when viewed from a certain angle This is not a display failure OPERATION OF THE ENGINE 17 WLCD Display for Warning Remaining fuel warning When the fuel level is very low the A lamp yellow starts flashing and the following message appears in the display Fuel 1 TBAAAAQAP0540 Battery charge warning If the charging system fails the A lamp red
110. the oil filter cartridge by hand Fill engine oil to the specified level Let the engine run for approx 5 min and make sure that the engine oil indicator lamp does not light up Then stop the engine and remove the key 6 The engine oil level is reduced by the amount of the filter capacity after the engine is started It is necessary to add oil ak IMPORTANT Always check the oil level after having exchanged the filter MGreasing Front Attachments without Bucket Pin and Boom Swing Fulcrum A CAUTION To avoid personal injury First lower all attachments on the ground then stop the engine and remove the key While greasing take care not to step on the bucket teeth IMPORTANT When doing excavation work in water generously grease the following points After ending work grease again Grease the marked grease nipples shown by arrows in the illustration below ian A ey J Es O e 2 id 1BAAABSAP012A 1 Boom bottom linkage 2 Arm bottom linkage 3 Boom cylinder boss 4 Boom cylinder pin 5 Arm cylinder pin 6 Bucket cylinder pin 1 Swing cylinder boss REGULAR CHECKS AND MAINTENANCE WORK 69 1BAAABSAP045C 1 Dozer cylinder boss 2 Dozer linkage boss EVERY 500 SERVICE HOURS Do all 50 100 and 250 hour servicing at the same time Drive Unit Oil Change First Oil Change o
111. tridge only after the oil in the hydraulic tank has cooled down The oil may spurt out if plugs or filters are removed before releasing the pressure in the hydraulic system Gradually loosen the oil filling plug on the tank to release the pressure in the tank 1 Gradually loosen the oil filling plug on the tank to release pressure in the tank 2 First loosen the air plug then remove the drain plug to let the oil in cartridge run out 3 Remove the cartridge with wrench 4 Apply a light film of oil to the seal of the new cartridge and turn in tightly by hand 5 Re tighten the air plug 1BAAABSAP048A 1 Oil filling plug 2 Air plug 1BAAABSAP049A 2 Air plug 3 Drain plug 4 Filter cartridge IMPORTANT O Always check the oil level when replacing the filter cartridge REGULAR CHECKS AND MAINTENANCE WORK 71 EVERY 1000 SERVICE HOURS Do all 50 100 200 250 and 500 hour servicing at the same time MReplacing the Hydraulic Pilot Filter Element 4h CAUTION To avoid personal injury e Before replacing the element wait long enough for the hydraulic fluid to cool down Remove the rear left cover Gradually loosen the oil filling plug on the tank to release the pressure in the hydraulic system Remove the pilot filter case from the head cover Wrench and pull out the e
112. ttern A or pattern B 1BAAABBAP121E 4 Part No RC418 5753 2 A CAUTION TO AVOID PERSONAL INJURY Lock control lever before leaving compartment 1 BAAAARAP0450 1BAAABBAP101C 4 12 SAFE OPERATION 1 Part No RD809 5745 1 Do not touch hot parts such as exhaust etc 1BAAABBAPO73E 2 Part No RB419 5796 2 Both sides 1BAABAUAP2720 1BAAABDAP029B 3 Part No RC418 5737 3 4 Part No RD809 5724 1 Keep away from fan Attention to the and fan belt danger of burning 1BAAABBAP1670 Se a ee cm 5X 1BAAABBAP032D 1BAAABFAP0910 7 RON al SAFE OPERATION amp 13 CARE OF DANGER WARNING AND CAUTION LABELS Keep danger warning and caution labels clean and free from obstructing material Clean danger warning and caution labels with soap and water dry with a soft cloth Replace damaged or missing danger warning and caution labels with new labels from your KUBOTA dealer Ifa component with danger warning and caution label s affixed is replaced with new part make sure new label s is are attached in the same location s as the replaced component Mount new danger warning and caution labels by applying on a clean dry surface and pressing any bubbles to outside edge DEALER SERVICE Your KUBOTA dealer is always ready to hel
113. ty for engines in industrial and heavy mobile service SAE J313 JUN87 APPENDICES 91 APPENDICES MAIN DIMENSIONS e Arm length 2100 Arm 1BAAABFAP048A IBAAABBAPOOSA A B C D E F G H 1 J KX080 3 590 770 2200 7240 5250 4600 3090 1460 4990 7330 K L M N 0 P Q R S KX080 3 500 500 2540 2200 7170 1460 6450 2150 2490 NOTE Above dimensions are based on the machine with KUBOTA original bucket Above dimensions are based on the machine with rubber track e Specifications subject to change without notice 92 LIFTING CAPACITY LIFTING CAPACITY 1 The lifting capacities are based on ISO 10567 and do not exceed 75 of the static tilt load of the machine or 87 of the hydraulic lifting capacity of the machine 2 The strokes are as follows 1 The load point corresponds to the front bolt part of the arm 2 The machine positions are i over front Blade down ii over front Blade up and iii over side 3 The operating cylinder is the boom cylinder 3 The bucket of the excavator the hook the sling and other lifting accessories are taken into consideration for the loads Machine conditions No bucket all others according to the standard regulations 4h WARNING Da avoid personal injury or death No loads greater than those values mentioned in the lifting capacity tables are to be lifted The values mentioned
114. ully before operating the excavator Every user however experienced should carefully read and understand this section and those of the attachments and accessories before taking the excavator into operation The owner is obliged to inform the operators of these instructions in detail Keep this manual in the storage place See Where to keep Operator s Manual in MAINTENANCE section 1 BEFORE OPERATION 1 Make yourself acquainted with the excavator and be aware of its limits Read the operating instructions carefully before starting the excavator 2 Obey the danger warning and caution labels on the machine 3 For your safety a ROPS OPG Top Guard Level 1 with a seat belt is installed by KUBOTA ROPS Roll Over Protective Structure e OPG Top Guard Level I Operator Protective Guards of Top Guard Level OPG Top Guard Level 1 in accordance with 15010262 is equivalent in definition to FOPS Falling Object Protective Structure Always use the seat belt when the machine is equipped with a ROPS OPG Top Guard Level I as this combination will reduce the risk of serious injury or death should the excavator be upset or falling objects occur Do not modify any structural members of the ROPS OPG Top Guard Level I by welding drilling bending grinding or cutting as this may weaken the structure If any component is damaged replace it Do not attempt repairs If the ROPS OPG Top Guard Level I is loosened or removed fo
115. use your fingers for the alignment of the components linkage bucket arm The components may sever your fingers by uncontrolled movements Read the manual of the attachment to do a correct operation safely when other attachments are installed instead of Kubota specified bucket FUSES A CAUTION To avoid personal injury When changing fuse stop the engine and turn the key in position STOP Keep the lock lever for attachment control in the LOCK position MReplacing Fuses 1 Remove the cover of the fuse box 2 Replace the burnt out fuse with a fuse having the same capacity MFuse Capacities and Circuits 1BAAABBAP049E 5A Anti theft Main 5A Travel Hi Low 10A Overload Warning use box 5A Room Light K 20A Blower Motor A C 20A Work Light L 15A Al Motor 5A Meter Sub M 10A Anti theft Sub 10A Compressor A C N 10A Alternator 15A Cigarette Lighter O 5A Lever Lock 15A Auxiliary P 10A Horn 15A Wiper Washer Q 10A Meter Main R S 5A Relay Source 10A Starter OTHER ADJUSTMENTS AND REPLACEMENTS 81 M Auxiliary Electric Max power is less than 110 W including the Beacon If you need another auxiliary electric contact your KUBOTA dealer for details 1BAAABBAP049D 1 Auxiliary electric Slow Blow Fuse Slow blow fuse is provided to protect the electrical circuits If the fusible link is blown
116. ust system daily for any signs of leakage Check for broken pipes and muffler and also for loose or missing bolts nuts and clamps If any exhaust leaks or fractured parts are found repairs must be completed prior to operation Always keep a multipurpose fire extinguisher on or near the machine Be familiar with the operation of the fire extinguisher 6 DANGER WARNING AND CAUTION LABELS 2 Part No RD809 5727 1 1 Part No RD819 5728 1 ACAUTION TO AVOID PERSONAL INJURY 1 Read and understand operator s manual before attempting to start or operate the excavator Read the manual of the attach ment to do a correct operation safely when other attachments are installed instead of Kubota specified bucket 2 Before starting engine make sure all control levers are in neutral and the operating area is clear of all bystanders 3 Never allow passengers on any part of the excavator while operating 4 Know your work area before starting operation eCheck underground lines and cables eStay off slopes too steep for safe operation eCheck for hidden holes obstacles or drop offs and overhangs 5 Make sure all shields are in place and securely fastened 6 Before dismounting from the machine lower all attachment to the ground stop the engine and remove the key 7 Damaged ROPS must be replaced not repaired or revised IMPORTANT Never use boom dipper or bucket to hammer or beat sideways Ex
117. void personal injury or death e Do not use the hooks on the roof of canopy and CAB for lifting the excavator O Never lift the machine with the angle blade placed at an angle 4 General guidelines for lifting 1 1BAAABSAP031A Lifting position see illustration below 1 Pullin the boom completely towards rear Pull in the arm completely Pull in the bucket completely Adjust the swing angle to the center to bring the boom in a position parallel to the machine frame 5 Swing frame so that dozer blade is to the rear and frame is parallel with tracks 6 Raise the dozer blade fully 2 3 4 gt Attaching the steel cables or straps 1 Always hook the excavator at three points one on the boom and left and right of the dozer 2 Always use a shackle on each lifting hole when attaching the cables or straps 3 Using protective material at all places where the cables or straps contact the machine 4 Keep the angle between the front and rear cables or straps within 55 0 96 rad 1 Cable or strap A 55 or less 2 Protective material 3 Tackle The weights of the excavators and the recommended tackle for lifting these loads are mentioned in the following table Choose components having enough strength Excavator Weight kg 8250 kN 30 7 Load Cable kgf 3131 Minimum Wire Diameter ae 22 4 or more Safety factor 6 Excavator Weight With C
118. xhaust is normal and no abnormal noises or vibrations are heard or felt e no fluid is leaking from pipes or hoses Should any following conditions occur stop the engine immediately The engine rpm s increases or decreases suddenly Sudden abnormal noises are heard Exhaust is black Warning lamp for engine oil lights up during operation IMPORTANT e In these cases the excavator must be checked and serviced by your local the KUBOTA dealer 20 OPERATION OF THE ENGINE STARTING THE ENGINE UNDER COLD CONDITIONS A CAUTION To avoid personal injury Make sure that the lock lever is in the lock position during warm up Start the engine in the following manner 1 Pull the lock levers all the way back lock position 2 Turn the starter switch to the position RUN glow position and keep until the indicator lamp has gone out 3 Move the starter switch to the position START to crank and start engine 4 Release the starter switch after the engine has started it will automatically return to the position RUN IMPORTANT Let the engine warm up after start up for approx 10 minutes under no load conditions If the hydraulic fluid temperature is too low the operation will be affected Do not operate the excavator under full load until the engine has sufficiently warmed up STOPPING THE ENGINE A WARNING To avoid personal injury or death Do not keep the bucket or dozer in the lifted position as

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