ANOMALIES
67
Table of likely anomalies and their symptoms
Important
THE ENGINE MUST BE STOPPED IMMEDIATELY WHEN:
1) - The engine rpms suddenly increase and decrease
2) - A sudden and unusual noise is heard
3) - The colour of the exhaust fumes suddenly darkens
4) - The oil pressure indicator light turns on while running
TROUBLES
PROBABLE CAUSE
Clogged air filter
Excessive idle operation
Incomplete run-in
Overloaded
Incorrect injection timing
Governor linkage wrongly set
Governor spring broken
Low idle speed
Rings worn or sticking
Worn cylinder
Valves sticking
Worn main con. rods bearings
Loose cylinder locknuts
Obstructed fuel line
Fuel filter clogged
Air leaks in fuel system
Clogged tank vent hole
Injector sticking
EN