Westerbeke 10.0 EGTD Operator's Manual page 32

ENGINE TROUBLESHOOTING
PROBLEM PROBABLE CAUSE
VERIFICATION/REMEDY
Generator engine cranks
but does not start. 1. Faulty preheat circuit.
1. Testlcheck circuit components.
2. Faulty fuel pump. 2. Test fuel pump operation.
3. Fuel supply. 3. Check fuel ON.
4. Fuel filter(s) contaminated.
4. Inspect all filters.
Starting battery
looses charge. 1. Faulty battery. 1. Load test battery.
2. Oil pressure switch stuck, closed contacts. 2. Panel/fuel pump activated after shutdown.
3. DC alternator faults.
3. Check alternator charge rate.
Engine shuts down.
Low oil pressure. 1. Loss of oil.
1. Locate leak and correct.
2. Oil pressure switch. 2. Test/replace.
3. Contaminated oil.
3. Change oil, locate source of contaminates.
Smokey exhaust. 1. Blue smoke. 1. Crankcase overfilled.
2. Incorrect grade of oil.
2. White smoke.
1. Engine running cold, thermostat stuck open.
2. Faulty injector.
3. Black smoke.
1. Lack of air, check intakeiair filter.
2. Incorrect fuel grade.
3. Valves need adjustment.
4. Low compression.
Engine starts, runs
then shutsdown.
1. Safety shutdown switch faulty.
1.
Check safety shutdown switch (oil, coolant,
(stays running with exhaust)
Preheat depresed).
Engine has loss of
horsepower.
1. MAP sensor (manifold absolute pressure). 1. Test/replace.
J?ngines
&
Generators
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