14
14 INFORMATION ABOUT FAILURES
14.1 Possible causes and trouble shooting
IMMEDIATELY STOP THE ENGINE WHEN:
1. Engine rpm increases and decreases suddenly without being able to control them;
2. A sudden and unusual noise is heard;
3. The colour of the exhaust fumes suddenly darkens or turns white;
4. The oil pressure warning light or a Warning Lamp turns on during operation;
5. The coolant temperature warning light turns on during operation.
Tab. 14.1 contains the possible causes of some failures, which may occur during operation.
Always perform these simple checks before removing or replacing any part.
Warning
•
Search for a topic and the operations to carry out from the analytical index or chapter index found
at the beginning of the manual.
•
Do not carry out any checks or operations on the engine when it is running.
Tab. 14.1
EN
174
INFORMATION ABOUT FAILURES