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Fault finding table
Troubleshooting
Possible fault
A Air in fuel system.
B Fuel filter clogged with water
and/or contamination.
C Leaking fuel supply line or fuel
injection line.
D Faulty injector/injection pump.
E Setting of stop valve incorrect.
F Oil level too high.
G Incorrect valve clearance.
H Exhaust restricted.
I Insufficient intake air.
J Wrong fuel quality or contami-
nated fuel.
K Engine overloaded.
Possible fault
A Faulty injector/injection pump.
B Oil level too high.
C Oil level too low.
D Faulty oil filter.
E Coolant pump defective.
F Heat exchanger dirty or clogged
as a result of rubber particles
from a worn impeller.
G Coolant level too low.
H Sea cock closed.
I Raw water strainer clogged.
J Leaking raw water intake
system.
K Faulty thermostat.
L Faulty impeller raw water pump.
M Insufficient intake air.
N Motor becomes apparantly
overheated as a result of faulty
temperature switch, sensor or
meter.
5 Engine does not reach maximum rpm under load 6 Engine overheats
Remedy
A Check and bleed.
B Check or replace.
C Check / replace.
D Check, replace if requi-
red.
E Check / adjust.
F Lower level.
G Adjust.
H Check / clean.
I Check.
J Check fuel. Drain and
flush fuel tank. Replace
with new fuel.
K Check size of propeller.
Remedy
A Check, replace if requi-
red.
B Lower level.
C Increase level.
D Replace.
E Check / clean.
F Check / clean.
G Check / top up.
H Open.
I Check / clean.
J Check / replace.
K Check / replace.
L Check / replace.
M Check / replace air inta-
ke filter.
N Check / replace.
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