SHAN DONG HUA YUAN LAI DONG ENGNE CO..LTD KM385BT Series User Manual

CHAPTER V ENGINE TROUBLES AND REMEDY
A: ENGINE CAN NOT BE STARTED
Trouble Cause
Remedy
1. Fuel System
1) No fuel in fuel
tank or fuel cock not opens.
2) Air in fuel system
3) Fuel pipes or fuel filter blocked.
4) Poor atomization
5) Lever not return to max.fuel supply position.
1) Fill in fuel or open fuel cock.
2) Discharge air by manual delivery pump.
Check each connect
ion for leakage.
3) Clean pipes and filter cartridge or replace cartridge.
4) Clean nozzle; Adjust injection pressure.
5) Pull the speed adjustor lever with force when starting
to force the lever to max. fuel supply position.
2. Electrical System
l) Impro
per circuit contact
2) Lower voltage of accumulator
1) Tighten the circuit connecting screw.
2) Charge the accumulator.
3. High oil viscosity to lower the engine starting
speed.
3. Cranking the crankshaft for several turns with cranking
handle, or fill in preheated oil.
4. Ambient temperature too low.
4. Fill in hot water to pre- heat starting
5. Lower Compression Pressure in cylinder.
1) Cylinder liner, piston and piston rings worn out.
2) Valve and valve seat fitting not good.
3) No valve clearance.
4) Valve stem blocked in valve guide.
5) Air leakage from cylinder head gasket.
6) Air leakage from injector seat.
7) Valve timing incorrect.
1) Replace new parts.
2) Lap valves.
3) Adjust clearance according to technical requirement.
4) Clean it in kero
sene or diesel.
5) Check cylinder head nuts torque. check whether the
gasket is broken .
6) Check nuts and packing for tightness and damage
7) Check and adjust.
6. Fuel supply advance angle not correct.
6. Check and adjust it.
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B: ENGINE POWER DECLINE
Trouble Cause,
Remedy
1. Air filter or intake pipe blocked
1. Clean it.
2. Exhaust pipe blocked
2. Clean it.

SHAN DONG HUA YUAN LAI DONG ENGNE CO..LTD KM385BT Series Specifications

General

Brand	SHAN DONG HUA YUAN LAI DONG ENGNE CO..LTD
Model	KM385BT Series
Category	Engine
Language	English