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1. The engine performance reliability and life are influenced by many factors some external and some strictly associated with the quality of the products used and with the scheduled mainte nance The following information allow a better under standing and use of your engine ENVIRONMENTAL CONDITIONS The operation of a four stroke endothermic engine is affected by a Temperature Working in low temperatures could lead to a difficult cold starting Working in very high temperatures could lead to a difficult hot starting due to the evapora tion of the fuel either in the carburetor float chamber or in the pump In any case the right kind of oil must be used according to the operating temperatures b Altitude The higher the altitude above sea level the lower the max power developed by an endothermic engine When there is a considerable increase in alti tude the load on the machine should be reduced and particularly heavy work avoided 4 2 FUEL A good quality fuel is the major issue for the engine reliability of operation a Use unleaded gasoline with a minimum of 90 octane b Use clean fresh fuel purchase fuel in quanti ty that can be used within 30 days to prevent gum from forming inside the container or the tank c Do not use fuel which contains Methanol d Do not add neither oil nor any kind of fuel additive 4 3 OIL Use always high quality2. a Use only spark plugs of the recommended type with the right heat range b Check the length of the thread because if too long it will damage the engine beyond repair c Make sure that the electrodes are clean and their gap is correct 4 EN gt 5 STANDARDS OF USE 5 1 BEFORE EVERY USE Before every use perform the following checking procedures in order to assure a regular opera tion Check oil level See the specific chapter 8 1 for the oil to be used a Place engine level b Clean around oil fill c Unscrew the cap clean the end of the dipstick and insert it as illustrated without screwing lit down d Remove the cap with the dipstick and check the oil level that must be between the MIN and MAX marks e If oil is required add oil of the same kind up to the MAX mark being careful not to spill any outside the oil fill f Fully tighten the fillercap and wipe off any spilled oil Check air cleaner The efficiency of the air filter is fundamental for the engine to work properly Do not start the engine if the filtering element is missing or bro ken a Clean around the filter cover b Remove the cover by unscrewing the two knobs c Check the condition of the filtering element It must be intact clean and in perfect working order if not either carry out mainte nance or replace it d Put the cover back Adding fuel IMPORTANT Do not drip pet
3. fs LONCIN IZE Gasoline Engine LC2P77 LC2P80F LC2P82F Owner s Manual www loncinengine com Loncin motor co ltd ENT TABLE OF CONTENTS 1 General information occcconccccccnononononononos 1 2 Safety regulations ccccccccnnnnnnnnccnnnaanannnnnss 1 3 Components and controls oo 2 4 What you need to KNOW ooccccccnncccccnnnconnnns 3 5 Standards Of USO cocccoocccconcnccoonnccnonoconanononos 4 6 Maintenance c coccccncnccccccncnccnncnonncnanonaninnanens 6 Tx Troubleshooting sissicccscsewsscstavenseccseseersenenss 8 8 Technical data acia dadas 8 1 GENERAL INFORMATION 1 1 READING AND UNDERSTANDING THE MANUAL Some paragraphs in the manual containing infor mation of particular importance for safety and operation are highlighted at various levels of emphasis and signify the following NOTE or IMPORTANT These give details or further information on what has already been said and aim to prevent damage either to the engine or other damages A WARNING Non observance will re sult in the risk of injury to oneself or others A DANGER Non observance will re sult in the risk of serious injury or death to oneself or others NOTE All indications front rear right and left C E are to be taken as referring to the engine positioned with the spark plug facing forwards with respect to the observer 2 GENERAL SAFETY STANDARDS
4. to be strictly applied A TRAINING 1 Carefully read the instructions contained in this manual and the instructions of the machine on which this engine is installed Learn how to stop the engine quickly 2 Never allow people unfamiliar with these instructions to use the engine 3 Never use the engine while people espe cially children or pets are nearby 4 Remember that the operator or user is The number before the paragraph title refers to the text references and their related figures shown inside front and back covers 1 2 SAFETY SYMBOLS Your engine should be used with due care and attention Symbols have therefore been placed on the engine to remind you of the main precau tions to be taken Their full meaning is explained later on You are also asked to carefully read the safety regulations in the applicable chapter of this handbook aa Warning Read and follow Operating Instructions before running engine H Warning Gasoline is flammable 4 Allow engine to cool at least 2 minutes before refuelling Warning Engines emit carbon monoxide DO NOT run in enclosed area responsible for accidents or hazards occur ring to other people or their property B PREPARATION 1 Do not wear loose fitting clothing dangling drawstrings jewels or items that could become caught tie up long hair and keep at safe distance while starting the lawnmower 2 Turn engine OFF
5. and let it cool before removing gas cap 3 WARNING DANGER Fuel is highly flam mable store the fuel in special containers refuel only outdoors by using a funnel never smoke while refueling and or han dling fuel 2 EN add fuel before starting the engine Never remove the cap of the fuel tank or add fuel while the engine is running or when the engine is hot if you have split some fuel do not attempt to start the engine but move the machine away from the area of spillage and avoid creating any source of ignition until the fuel has evaporated and fuel vapours have dis sipated always put the tank and fuel container caps back on and tighten well 4 Replace faulty silencers and the guard if damaged C OPERATION 1 Do not operate the engine in a confined space where dangerous carbon monoxide fumes can collect 2 Do not use starting fluids or similar prod ucts 3 Do not change the engine governor set tings or overspeed the engine 4 Do not tilt the machine onto its side to pre vent fuel leaks from the fuel tank cap 5 Do not touch the cylinder fins and or the silencer guard until the engine has cooled down 6 Stop the engine and disconnect the spark plug cable before checking cleaning or serv icing the machine or the engine 7 Do not crank the engine with spark plug removed 8 Transport the machine with empty tank D MAINTENANCE AND STORAGE 1 A routine maintenance is essentia
6. oils choosing their vis cosity grade according to the operating temper ature a Use only detergent oil classified SF SG b Choose the SAE viscosity grade of oil from this chart SAE 30 5W 30 or 10W 30 Multi viscosity from 25 to 35 C Synthetic oils 5W 30 or 10W 30 Multi viscosity from 5 to 35 C from 15 to 5 C Cc eet The use of multi viscosity oils in hot temper atures will result in higher than normal oil con sumption therefore check oil level more fre quently d Do not mix oils of different brands and fea tures SAE 30 oil if used below 5 C could result in possible engine damage due to inadequate lubrication f Oil should be at MAX mark do not overfill Overfilling with oil may cause Smoking Spark plug or air filter fouling which will cause hard starting e uz AIR FILTER The air filter must always be in perfect working order to prevent debris and dust from getting sucked into the engine reducing the efficiency and life of the machine a Always keep the filtering element free of debris and in perfect working order b If necessary replace the filtering element with an original spare part Incompatible filtering elements can impair the efficiency and life of the engine c Never start the engine without mounting the filtering element properly SPARK PLUG Not all the spark plugs for endothermic engines are the same
7. O 107 gt r iL ZP ps o cb 0 0 gt E gt gt Ww lt ju Check oil level Change oil Clean silencer and engine Air filter cleaning and check Air filter replacement Check spark plug Replace spark plug IY Fuel filter check Y Change oil every 25 hours if the engine is oper ating under heavy load or in hot weather 2 Clean air cleaner more frequently if the machine is operating in dusty areas 2 To be carried out by a specialized Centre 6 3 CHANGE OIL See the specific chapter 8 1 for the oil to be used A WARNING Drain oil while the engine is warm being careful not to touch the hot engine nor the drained oil a Place the machine on a flat surface b Clean the area around the filler cap and unscrew the cap with dipstick c Provide a suitable container for collecting the oil and unscrew the drain plug d Refit the drain plug and fully tighten it having imade sure that the gasket is in the right position e Fill up with fresh oil f Check that the oil level has reached the MAX notch on the dipstick g Close the cap again and clean up any traces of oil that was possibly spilt NOTE The oil capacity is about 2 0 liter CLEAN SILENCER AND ENGINE Silencer must be cleaned when the engine is cold a Use a jet of compressed air to remove any debris and dirt that could cause a fire from the silencer and i
8. d LONG STORAGE over 30 days In case the engine has to be stored for a long time for example at the end of the season a few precautions are needed to help the future start up a To prevent the formation of deposits inside the tank empty it of fuel by unscrewing the carburettor float chamber plug and collect b ing all the fuel in a suitable container At the end of the operation remember to screw the plug back on and fully tighten it Remove the spark plug and pour about 3 cl of clean engine oil into the spark plug hole then having blocked the hole with a rag run the starter motor briefly to turn the engine for a few revs and distribute the oil over the inner surface of the cylinder Finally replace the spark plug without connecting the cable cap ON 6 MAINTENANCE SAFETY RECOMMENDATIONS A WARNING Remove the spark plug cap and read instructions before carrying out any cleaning repair or maintenance operation Wear proper clothing and work ing gloves whenever your hands are at risk Do not perform maintenance or repair oper ations without the necessary tools and technical knowledge IMPORTANT Never get rid of used oil fuel or other pollutants in unauthorised places MAINTENANCE SCHEDULE Follow the hourly or calendar whichever occur first maintenance schedule shown in the fol lowing table S l 6 7 o lo l s 5 lt 5 59 2 Operation oO Oyo 8 w Cra lt 0U O O a o
9. igger to FAST A WARNING Keep your hands away from the silencer and surrounding areas that can become extremely hot With the engine running do not get loose fitting clothing ties scarves etc or hair closer to the top part of the engine ENS IMPORTANT Do not operate on over 20 inclines to prevent malfunctioning of the engine 15 5 STOPPING THE ENGINE DURING MOWING a Move the throttle to SLOW b Allow the engine to run at minimum speed for at least 15 20 seconds c Stop the engine following the instructions contained in the machine s Instructions Manual STOPPING THE ENGINE AFTER MOW ING a Move the throttle to SLOW b Allow the engine to run at minimum speed for at least 15 20 seconds c Stop the engine following the instructions contained in the machine s Instructions Manual d When the engine is cold disconnect the spark plug and remove the starter key if pr esent e Close the fuel stopcock f Remove any debris from the engine and especially around the exhaust silencer to reduce the risk of fire 5 7 CLEANING AND STORAGE a Do not spray with water or use hydraulic lances to clean the exterior of the engine b Use a compressed air gun max 6 bars for preference thus preventing debris and dust from penetrating inside c Store the lawnmower and the engine in a dry place sheltered from severe weather condi tions and sufficiently ventilate
10. ignition Contact a Licensed Service Centre c Loss of power Air filter clogged Check and clean whilst operating Fault in carburation Contact a Licensed Service Centre Governor out of phase with respect to Adjust the cable the accelerator 8 TECHNICAL SPECIFICATIONS REFILLING AND OPERATION MATERIALS o eee eles we gees a ee esp teantn ees E esa eaeueae Unleaded gasoline minimum 90 octane Engine ONS TrOM 5 10 35 Curtis SAE 30 a A A REEE 5W 30 or 10W 30 TOM 2 TOOD O erectus nancies prat anactos Synthetic 5W 30 or 10W 30 Si z E E EE 2 0 liter o A A E F7TRC NHSP or equivalent pal PIO donna 0 6 0 8 mm Engine wiring diagram l d Black g i Black Carburetor Fuel Solenoid Valve E i i Y 7 Z Black Oil Pressure Switch Wire Red SI Je i ii Wire Red Yellow Stopping Engine Isolators Wire Black S S ba AS a W AS bd veg Connector Regulator Stopping Engine A pressure Carburetor Charge Coil rectifier Spark Plug Ignition Coil Ignition Coil Spark Plug Isolators Wire Red Switch Normally Ta ba Open Electrical parts Main cable harness fe LOMCIN NZ Loncin motor co Ltd Add No 99Hualong Road Jiulongpo District Chongging China Tel 86 23 8980 5678 86 23 8980 8505 Fax 86 23 8906 7566 Email marketing loncinengine com Website www loncinengine com PRINTED IN CHINA
11. l for safe ty and for keeping a high performance level 2 Do not store the machine with fuel in the tank in an area where the fuel vapours could reach an open flame a spark or a strong heat source 3 Allow the engine to cool before storing in any enclosure 4 To reduce the fire hazard keep the engine the silencer and the fuel storage area free of grass leaves or excessive grease 5 If the fuel tank has to be drained this should be done outdoors once the engine has cooled down 6 On safety ground never use the engine with either worn or damaged parts Parts are to be replaced and not repaired Use genuine spare parts Parts that are not of the same quality can damage the engine and impair your safety 3 COMPONENTS AND CONTROLS 3 1 ENGINE COMPONENTS Oil fillercap with dipstick Oil drain plug Air cleaner cover Fuel stopcock Spark plug cap Engine code OOP Oh gt ce Ltt 7 Note your engine serial number here 3 2 ACCELERATOR CONTROL The throttle trigger generally a lever fitted to the machine is connected to the engine by a cable Consult the machine s Instructions Manual to identify the throttle trigger and its positions usu ally marked by symbols corresponding to a CHOKE to be used for starting from cold FAST corresponds to maximum revs to be used when working SLOW corresponds to minimum revs ENS 4 WHAT YOU NEED TO KNOW
12. ld the engine not reach maximum revs with the throttle trigger set to FAST it could be due to the throttle trigger and speed control lever being out of phase or to a carburetion problem Go to a specialised Centre or contact your Dealer to restore normal operation SEN 7 TROUBLESHOOTING PROBLEM LIKELY CAUSE SOLUTION a Hard starting No fuel Check and top up Stale fuel or build ups in tank Empty fuel tank and refill with fresh fuel Incorrect starting procedure Perform the starting procedure correct ly Spark plug disconnected Check that the spark plug cap fits well over the plug terminals The spark plug is wet or the spark plug Check electrodes are dirty or placed inade quately Air filter clogged Check and clean Incorrect oil for the season Replace with proper oil Fuel evaporation in the carburetor Wait for a few minutes then start again vapor lock due to high temperatures Fault in carburation Contact a Licensed Service Centre Hard starting Contact a Licensed Service Centre b Inconsistent Dirty electrodes or incorrect gap Check working The spark plug cap is inserted incor Check that the cap is fitted correctly rectly Air filter clogged Check and clean Throttle trigger in CHOKE position Move the lever to the FAST position Fault in carburation Contact a Licensed Service Centre Fault in
13. rol onto the plastic parts of the motor or the machine to prevent damaging them and remove all traces of spilt petrol immediately The warranty does not cover damage to plastic parts caused by petrol See Technical Data chapter 8 1 for the fuel characteristics Refuelling must be made when the engine is cold following the instructions contained in the machine s Instructions Manual Spark plug cap Firmly connect the cable cap to the spark plug making sure that there are no traces of dirt inside the cap and on the spark plug termi nal 5 2 STARTING THE ENGINE cold The engine must be started in the way described in the machine s Instruction Manual always making sure that any device if present that could cause the machine to advance or the engine to stop is disengaged a Open the fuel stopcock b Move the throttle to CHOKE c Turn the starter key as described in the machine s instruction manual After a few seconds slowly move the throttle from CHOKE to either FAST or SLOW NOTE If the engine starts but does not keep running repeat the above steps with the throttle on FAST 5 3 STARTING THE ENGINE hot starting e Follow the whole cold starting procedure with throttle control in FAST position USE OF THE ENGINE IN OPERATION Maximum revs must be used to optimise the engine s yield and performance by setting the throttle tr
14. ts protective cover b Make sure that the cooling air intakes are not blocked c Clean the plastic components with a sponge soaked in water and detergent AIR FILTER MAINTENANCE a Clean the area around the filter cover b Remove the cover by unscrewing the two Knobs c Remove the filtering element d Tap the cartridge on a solid surface and blow it from the inside with compressed air to remove dust and debris EN IMPORTANT Do not use water petrol detergents or any other products to clean the cartridge IMPORTANT The sponge pre filter must NEVER be oiled e Clean the inside of the filter housing from dust and debris making sure to block the inlet duct with a rag to prevent them from entering the engine f Remove the rag install the filtering element in its housing and refit the cover SPARK PLUG SERVICE a Remove the spark plug using a spark plug socket wrench b Clean the electrodes with a metal brush and remove any carbonaceous build up c Using a thickness gauge check for the right gap 0 6 0 8mm between the elec trodes d Install the spark plug and tighten with a socket wrench Replace the spark plug if the electrodes are burnt or if the porcelain is broken or damaged A WARNING Fire hazard Do not check the ignition system with spark plug remov ed IMPORTANT Use only spark plugs of the recommended type 6 7 TUNING THE THROTTLE CABLE AND THE CARBURETTOR Shou
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