Troubleshojting - Westerbeke 4KW-7.7KW-11KW-12 5KW Operator's Manual

Diesel generator sets
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TROUBLESHOOTING
1.
ENGINE DOES NOT START
a.
b.
c.
d.
e.
f.
g.
h.
PROBLEM
Starting switch is defective
Deficient drive torque of
the starter motor
Improper viscosity of engine
oil
Engine too cold
Seizure of moving parts
Air present in fuel system
No fuel in fuel tank
Fuel filter clogged
REMEDY
Correct connections and contacts
The battery is exhausted, trouble
with the starter motor, or dirty or
loose wiring
Check the viscosity and renew oil
if necessary
Use glowplug starting aid
Rectify
Purge thoroughly with electric fuel
pump
Ref ill
Clean or renew
2.
ENGINE STALLS WHILE IN OPERATION
PROBLEM
a.
Fuel tank is empty
b.
Fuel filter clogged
c.
Air present in fuel system
3.
IMPROPER OIL PRESSURE
PROBLEM
REMEDY
Refill
Clean or renew
Retighten fuel line connections to
allow electric fuel pump to run long
enough to purge air thorou9hly
REMEDY
a.
Oil shortage
Refill
b.
Oil leak through connections
Repair
c.
Oil pressure switch
Replace
defective
25

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4 kw7.7kw12.5 kw11kw

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