Operating instructions

ENGINE TROUBLESHOOTING
PROBLEM PROBABLE CAUSE PROBLEM
PROBABLE CAUSE
Low oil pressure,
1. Low oil level. Black exhaust smoke 1.
Dirty flame arrester.
2. Wrong SAE type oil in the engine,
discharge from the
2.
Faulty carburetor.
3. Faulty or wrong type oil filter,
engine.
3.
Idle mixture jet too rich.
4.
Relief valve is stuck,
4. Faulty choke/solenoid,
5. Faulty oil pump.
6. Faulty engine bearings.
5. Valves are worn or incorrectly
adjusted.
7.
Faulty oil filter,
6.
Piston rings are worn or unseated,
High oil pressure.
1. Dirty oil or wrong SAE type oil in the
engine.
2.
Relief valve is stuck,
Poor performance
1.
Contaminates in carburetor.
at generator speed,
2. Faulty fuel pump/contaminated.
3. Electronic governor controller needs
No DC charge to the 1. Faulty connections to
adjustment.
starting battery.
battery charging control.
2.
30 amp fuse blown/faulty,
3. Faulty battery charging control.
4. Faulty bridge rectifier,
5. Faulty generator charger
windings,
Blue exhaust smoke 1. Lube oil is diluted.
discharge from the
2. High lube oil level.
engine,
3. Crankcase breather hose is clogged,
4. Valves are worn or adjusted
incorrectly,
5. Piston rings are worn
or unseated.
. Engines & Generators
36