Lombardini Engine Troubleshooting LTC Repair
wc_tx000364gb.fm 76
Battery voltage too low •
Battery/battery cable
connections corroded
•
Key switch defective •
Air filter clogged • • •• •••
Excessive idle/light load
operation
•• ••
Incomplete engine run-in •••
Engine overloaded • • •••
Excessive secondary load • • •
Valve lash insufficient/
excessive
• •• •
Injection timing out of spec -
advanced
• ••••
Injection timing out of spec -
retarded
• ••
Governor linkage adjustment
incorrect
••••
Governor spring fatigued or
defective
• ••
Idle rpm too low • •
Piston rings worn or stuck • •• ••
Piston worn or damaged • •• ••••
Cylinders worn or damaged • •• ••••
Valve/valve guides worn • •• ••
Possible Cause Symptom
Engine will not crank
Engine does not start
Engine starts, but stops
Poor acceleration
Unsteady rpm
Black smoke
White smoke
Blue smoke
Low oil pressure
Oil level rising
Excessive oil consumption
Wet exhaust
Overheating
Engine knocks
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