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

3. Exhaust black smoke (bad combustion)
1) Engine overloaded
2) Nozzle with bad atomization or leak fuel
3) Fuel delivery too late
4) Air filter blocked
5) Too muc
h fuel delivery
1) Reduce the load.
2) Adjust or replace the nozzle.
3) Adjust the fuel delivery advance angle.
4) Clean air filters and air intake pipe or
replace filter cartridge.
5) Adjust the fuel delivery.
H: FUEL INJECTION PUMP OUT OF ORDER
Trouble Cause Remedy
1. No fuel delivery
1) Delivery valve burn out or with dirt
2) Delivery valve spring or plunger spring deformed or broken.
3) Adjusting arm broken down.
4) Adjusting arm and fork jammed
5) Delivery pump stem jammed
I) Replace or clean deli
very valve.
2) Replace it.
3) Tighten the adjusting arm.
4) Inspect and repair it.
5) Inspect and repair it.
2. Fuel injection pump supply fuel all the time ,causes running away of
the engine.
1) Adjusting arm and fork jammed
2) Adjusting arm come down.
3) Governor sleeve burn out because of bad lubrication.
4) Pulling bar stroke not enough.
5) Flyweight loosen
6) Pulling bar spring come down
1) Inspect and repair it.
2) Replace or tighten it.
3) Inspect and repair it.
4) Adjust its stroke.
5) Tighten it
.
6) Adjust it.
3. Speed governing rate too high
1) Governing spring deformed or worn out.
2) Calibrator works too early.
1) Replace the spring
2) Adjust it.
4. Unsteady fuel delivery.
1) Air or water in fuel.
2) Delivery pump damaged.
3) Plunger spring
broken.
1) Discharge air or water.
2) Repair or replace it.
3) Replace plunger spring.
5. Unsteady operating of the engine
1) Governor internal friction too high.
2) Camshaft axial clearance too big
3) Governing spring deformed or rigidity too small
4)
Fly weight loose
5) Too much lub.oil
1) Inspect and solve it.
2) Adjust the clearance.
3) Replace it.
4) Tighten it.
5) Add lub.oil as requirement
6. Insufficient fuel supply,
1) Pump element or delivery valve worn out.
2) Calibrator out of order.
3) Hig
h speed limit abnormal
1) Replace it.
2) Adjust it.
3) Adjust it.
7. Uneven fuel delivery of each cylinder
1) Adjusting arm loosen.
2) Plunger spring broken,
3) Delivery valve or nozzle with dirt.
l) Tighten it.
2) Replace it,
3) 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