Table of Contents
Advertisement
Trouble
Engine stops
possible Cause
Remedy
1. Low oil pressure or 2. Check oil, fresh water
overheated
and sea water cooling.
2. Low oil pressure
switch fails to
close
2. Check for satisfactory
operation with switch
bypassed.
3. High water or
3. Same as above.
exhaust temperature
switches open at too
low a temperature
4. Overspeed module
5. Switch and wiring
4. Check engine speed.
Check module for pro-
per operation.
5. Inspect all wiring for
loose connections and
short circuits.
Not charging battery
1. Alternator drive
or battery runs down
1. Check drivebelt and
its tension. Be sure
alternator turns free-
ly. 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
leak to ground
3. Check wiring. Insert
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.
86
Hide quick links:
Advertisement
Table of Contents
