Engine Troubleshooting - Westerbeke BCG4.0KW Operator's Manual

ENGINE TROUBLESHOOTING
Introduction
The tables which follow indicate troubleshooting procedures based upon certain problem indicators, the
probable causes of the problems, and the recommendations to overcome these problems.
Note that the engine's control system (electrical system) is protected by a 20-Ampere manual reset circuit
breaker located next to the starter motor and the (-) ground terminal. Refer to the model photographs at the
beginning of this manual for a photograph showing the exact position of this reset circuit breaker.
Trouble
Engine cranks but fails
to start.
Engine does not crank.
Westerbeke Generators 66
Possible Cause
1 . Out of fuel.
2. Engine is flooded.
3. Filters are clogged by contaminated fuel.
4. Voltage drop at (
+ )
at overspeed switch.
5. Worn or faulty spark plugs.
6. Bad ignition coil.
7. High-tension leads grounding (wet system).
8. Automatic Shutdown switch is faulty.
9. Fuel pump inoperative because filter is
clogged.
10. Filter in carburetor is clogged.
11. Tripped overspeed switch (reset and start).
1. Battery is low or dead.
2. Engine's DC 20-Amp breaker has tripped.
3. Sea water filled cylinders.
4. Loose battery connections.
5. Voltage drop at starter solenoid terminal.
6. Bad starter solenoid.
7. Faulty START switch.