Westerbeke 9.0 BCG Technical Manual page 185

Trouble possible Cause
Remedy
Engine stops.
1. Low oil pressure or 2. Check oil, fresh water
overheated.
and sea water cooling.
2. Low oil pressure 2. Check for satisfactory
switch fails to operation with switch
close. bypassed.
3. High water or 3. Same as above.
exhaust temperature
switches open at too
Iowa temperature.
4. Overspeed module.
4. Check engine speed.
Check module for pro-
per operation.
5. Switch ancl wiring. 5. I nspect all wiring for
loose connections and
short circuits.
Not charging battery 1. Alternator drive. 1. Check drivebelt and
or battery runs down. (9.0 BTG) its tension. Be sure
alternator turns freely.
Check for loose
connections.
2. Oil pressure switch. 2. Observe if gauges and
light are on when
engine is not running.
Test the normally open
oil pressure switch by
disconnecting one
lead. If lights go out,
replace oil pressure
switch.
3. High resistance
3. Check wiring. Insert
leak to ground. sensitive (0-.25 amp)
meter in battery
lines. (Do not start
engine.) Remove con-
nections and replace
until short is located
4. Low resistance leak 4. Check all wires for
to ground. temperature rise to
locate fault.
179
Westerbeke Generators