LONCIN LC2V78 Page 9 Owner'S Manual Download | Manualshive

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Check before Operation

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C Check air cleaner

Remove the air cleaner case to check the element

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clean or replace, if necessary.

Foam element

Paper element

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Summary of Contents for LC2V78

Page 1: ......

Page 2: ...with the manual Loncin abides by the continuous development strategy therefore Loncin reserves the right of modification of product and revision of the manual without any notice Copy right C Chongqing Loncin Industrial Co Ltd All rights reserve It is prohibited from reproducing transferring distributing and memorizing any content in the manual without obtaining a written approval from Loncin Gener...

Page 3: ...system 5 4 Check before operation 6 Routine inspection 6 Check engine oil 6 Check air cleaner 7 5 Start engine 8 6 Stop engine 10 7 Maintenance Maintenance schedule 11 Replace crank case oil 12 Maintain air cleaner 13 Spark plug 14 Regulate idle speed 14 8 Engine storage 15 9 Troubleshoot 16 10 Battery 19 11 Engine parameters 20 12 Wiring diagram 21 ...

Page 4: ...dition the engine is stopped z Prohibit smoking keep flame away from naked flame and spark while filling fuel z Do not start engine while the splashed petrol drips remain Hot exhaust z When the engine works the muffler is heated to high temperature even the engine stopped after a while Be careful to keep your hand beyond the touch with the muffler Do not store the engine in room till it is cool z ...

Page 5: ...Part and Component Names 3 2 Part and component names ...

Page 6: ...ke button The function of the choke button is to open or close the choke valve in the carbureter When pull out the button the choke valve is closed in such case it is prone to start the coldengine When the engine works normally it is required to push the choke button in that is to say the choke valve is in opening position 3 Regulation lever Regulate the position of the regulation lever to get the...

Page 7: ...esigned to protect engine from damage because of lack of oil in the crank case When the engine oil is lower than the safe level line the engine protecting system will work to stop the engine automatically the engine switch is still in on position If the engine stops automatically but can not start again first of all check the oil level if fault remains do other inspection ...

Page 8: ... recommended oil till it goes up to the top limit 4 After filling keep in mind to reinstall the ruler and tighten the cap When the engine oil level is lower than the safe line the engine protecting system will stops the engine automatically To avoid engine stalling accidentally check the oil level before starting the engine each time When filling fuel the fuel level does not exceed shoulder of fue...

Page 9: ...Check before Operation 7 C Check air cleaner Remove the air cleaner case to check the element clean or replace if necessary Foam element Paper element ...

Page 10: ...rt is performed the choke button must be off position When hotstart is done the choke button must be on position 2 Regulate the position of the regulation lever from low to high and stop it at 1 3 from the high speed Off On Choke button Low High ...

Page 11: ...on 4 If the engine starts in the condition that the choke button is pulled to off position when the engine warming up push the choke button gently to on position If hotstart is done the choke button is kept in on position Engine switch On On Choke button ...

Page 12: ...gine 10 6 Stop engine In emergency it is an easy way to stop the engine just turn the engine switch to off But as a rule stop engine as follows 1 Turn the regulation lever to low position 2 Stop the engine Low ...

Page 13: ... oil filter Replace 2 or 200 hours Check Clean 1 Air cleaner Replace 3 Fuel depositing cup Clean Electrolyte level of battery Check Spark plug Clean Replace Valve gap Regulate 2 Fuel pipe Replace Every 2 years 2 Maintenance caution 1 Maintain the engine more frequently in use of dusty area 2 The maintenance should be performed by your after service facilitator unless you have proper tools and spec...

Page 14: ...service station or recycle center Never throw waste oil barrel to refuse tip dump the waste oil on ground or in ditches 3 Place the engine in level position refill recommended oil to the top line The filling capacity of the engine Not replace fine oil filter 1 3L Replace fine oil filter 1 5L 4 Reinstall the oil ruler and tighten filler cap Recommended engine oil Engine oil for 4 stroke engine API ...

Page 15: ...reaching the period specified in maintenance schedule replace the paper element Clean paper element Strike the element several times to remove dust deposited on it or blow out with high pressure draft less than2 1kg cm2 from inside to outside of the element Never remove the dust with brush or the dust will enter the fiber to block the vent holes Clean foam element Clean the foam element with soap ...

Page 16: ...d be 0 70 0 80mm Adjust the side electrode if necessary 4 Screw the spark plug with hand carefully to avoid damaging the thread on the head 5 When the spark plug is in position tighten the spark plug with the special socket wrench and depress the washer If install the used spark plug after depressing the washer retighten it 1 8 1 4 turn 6 Reinstall the spark plug cap Regulate idle speed 1 Start th...

Page 17: ... a container under the carburetor under overflow pipe 2 Unscrew the draining screw of the carburetor drain the fuel in the carburetor from the overflow pipe to the container After finishing that tighten the draining screw 3 When using the engine again replace oil 4 Remove two spark plugs 5 Fill 5lm 10lm oil in the head 6 Rotate the engine in several turns to 7 scatter the oil in the head 8 Reinsta...

Page 18: ...ect Fill specified fuel carbonized electrode dirt Clean carbonized dirt Isolator damaged Replace spark plug Electrode burnt out Replace spark plug Spark normal Spark Plug poor Improper spark plug clearance Regulate clearance High tension wire damaged Replace high tension wire Ignition coil damaged Replace high tension coil Cylinder Pressure normal Fuel system normal Spark plug normal No spark Magn...

Page 19: ...f cylinder bore or valve dropped off Repair or replace damaged part Phenomena Causes Elimination Ignition system Improper timing Replace ignition coil Air mixed in fuel line Exhaust air Orifice regulated improperly Regulate Needle valve or orifice blocked Clean blow off Fuel cock blocked Clean or replace Fuel system Carbonized in combustion chamber Clean carbonized dirt Air cleaner block Clean or ...

Page 20: ...ting gear 5 Abnormal noise Phenomena Causes Elimination Piston piston ring worn out Replace worn part Connection rod piston pin pin hole worn out Replace worn part Crank worn Replace or repair Slap Piston ring broken Replace piston ring Exceeded carbonized dirt in combustion chamber Clean carbonized dirt Spark plug electrode clearance too small Regulate electrode clearance Severely enriched fuel C...

Page 21: ...y may explode thus hurt may occur to the persons around therefore keep the smoke and flame and inflammable things away from the battery the battery will release explosion gas keep the fire away from it When charge the battery or use the battery keep ventilating Connect start motor Be careful not to connect the terminals in reverse or short circuit occurs As usual connect the positive electrode bef...

Page 22: ... 5 2500 Fuel rate g kW h 360 Idle speed rpm 1500 150 Speed fluctuation ratio 10 Compression ratio 8 5 1 Start mode Powered start Rotation direction CCW face to output side Inlet 0 10 0 15 Valve gap mm outlet 0 15 0 20 Spark plug F7TC Plug clearance mm 0 7 0 8 Ignition mode Thyristor no contact ignition Type of air cleaner Double elements Dimension mm L W H 455X400X450 Net weight kg 45 ...

Page 23: ...WIRING DIAGRAM 21 12 Wiring diagram Powered starting engine with oil protection system ...

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