TROUBLE SHOOTING (continued)
SYMPTOMS POSSIBLE CAUSE
4. Dark Blue Smoke a. Piston rings worn
b. Cylinder bore worn
5. Faint Blue Smoke a. Light load
6. Black Smoke a. Overload
b. Choked air filter
c. Inlet air temperature too high
d. Defective injector spraying
e. Unsuitable Diesel or water in fuel
7. Engine Stops a. Lack of fuel
b. Air or water in the fuel system
c. Choked fuel filter
d. Blocked injector nozzle
e. Excessive overload
f. Overheating of engine or hydraulic oil
g. Loss of compression
h. Loss of oil
i. Loss of electrical supply to the fuel control solenoid
8. Loss of Power a. Loss of compression
b. Choked air filter
c. Choked exhaust system
d. Defective fuel pump or injector
e. Choked fuel filter
9. Failure to a. Attempting to start the engine on a full load
attain normal b. The fuel system is not primed if not self-priming
engine speed c. Insufficient fuel
d. Injection retarded
e. Governor out of adjustment
f. The wrong type of governor weights for the speed expected
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