LAMBERT 6D10D200A - Page 18

LAMBERT POWER Diesel Engine Operation and Maintenance Manual
18
2. The fuel system has air inside.
Check fuel pipe and joint sealing, and check
whether screws are fastened tight, expel air.
3. Lift pump doesn’t work.
Check lift pump piston, valve. Clear and repair.
4. The fuel quality is bad and with more water
content.
Clean up fuel filter and replace fuel.
5. Low idle speed regulation
Readjust.
6.3 Insufficient power
Failure causes
Trouble shooting
1. Intake blockage. (air cleaner is blocked.)
Check air cleaner, intake pipe. Clear and
replace filter element.
2. Exhaust back pressure is over high.
Check valve timing and check whether exhaust
pipe is blocked. Adjust or repair.
3. Turbocharger pressure is insufficient.
Check and remove leakage.
4. Turbocharger doesn’t work properly.
Replace.
4.1 The flow passage of compressor and turbine
is blocked.
Clean up or replace.
4.2 Floating bearings is invalid.
Replace
4.3 There are deposited carbon, oil dirt in back
gap of turbine and compressor
Clean up.
5. Air inter cooler is in fault, and has leak
Check and repair.
6. Fuel pipes leaks or block.
Check fuel pipe and joint sealing, filter
dustiness and fuel pipe. Repair or remove
blockage. Replace filter element.
7. Fuel is bad in quality.
Clean up fuel tank, filtering spares and fuel
pipe. Replace fuel.
8. FIP or regulator wears heavily.
Repair or replace
9. Nozzle doesn’t atomize properly.
Check injecting pressure, nozzle deposited
carbon. Adjust and repair.
10. Valve timing or fuel supply timing is not
correct.
Check and adjust
11. Regulator high speed regulation is too low.
Check regulation and adjust.
12. Oil level is over high in oil sump
Check oil dipstick, the drain out the excessive
oil.
13. The cylinder head gasket has leaks
When engine is heated, check compressed