Installation manual
ENGINE
TROUBLESHOOTING
The
following
troubleshooting table describes certain
problems
relating
to
engine service,
the
probable
causes
of
the
problems,
and
the recommendations to overcome these
problems.
Problem
Probable
Cause
START
BUTTON
depressed,
no
panel
1.
Battery
Switch
not
on.
indications.
2.
Circuit
breaker
tripped/off.
5.
Loose
battery
connections.
START
BUTTON
depressed,
no
starter
1.
Connection
to
solenoid
faulty.
engagement.
2.
Faulty
solenoid.
3.
Loose
battery
connections.
4.
Low
batte
ry.
5.
Kl
relay.
START
BUTTON
depressed;
panel
1.
Poor
connections
to
fuel
solenoid.
indications
OK;
starter
solenoid
OK
fuel
solenoid
not
functioning.
2.
Defective
fuel
solenoid.
Generator
engine
cranks,
but
does
not
1.
Faulty
fueling
system.
start,
fuel
solenoid
energized.
2.
Preheat
solenoid
faulty.
Battery
runs
down.
1.
High
resistance
leak
to
ground.
2.
Low
resistance
leak.
3.
Poor
battery
connections.
4.
DC
alternator
not
charging,
Battery
not
charging
1.
DC
charge
circuit
faulty.
2.
Alternator
drive.
Generator
engine
stops.
1.
Fuel
lift
pump
failure.
er
is
dirty.
2.
Switches
and/or
wiring
loose
or
disconnected,
3.
Fuel
starvation,
4.
20
Amp
circuit
breaker
tripping.
5,
Exhaust
system
is
restricted.
b.
Water
in-fuel.
7.
Air
intake
obstruction.
Engine
starts,
runs
and
shuts
down
1.
Oil
pressure
switch.
2.
Water
temperature
switch.
Engine
starts,
runs
at
idle
1.
Electronic
governor
system
faulty
Note:
The engine's electrical system is protected by a
20
amp
manual reset circuit breaker located
on
a bracket
at
the rear
of
the engine.
Verificalion/Remedy
1.
Check
switch
and/or
battery
connections.
2.
Reset
breaker;
if
breaker
trips
again,
check
preheat
solenoid
circuit
and
check
circuit
for
shorts
to
ground.
4.
Check
(+)
connection
to
starter
solenoid
and
(-)
connection
to
engine
ground
stud.
Check
battery
cable
connections.
1.
Check
connection.
2.
Check
that
12
volts
are
present
at
the
solenoid
connection.
3.
Check
battery
connections.
4.
Check
battery
charge
state.
5.
Check
Kl
relay.
1.
Check
connections.
2.
Check
that
12
volts
are
present
at
the
(+)
connection
on
the
fuel
run
solenoid.
1.
Check
that
fuel
valves
are
open.
1a.
Switch
to
combine
house
and
start
batteries.
lb.
Replace
battenes.
le.
Check
fuel
lift
pump.
ld.
Change
inlet
fuel
filter.
2.
Check
solenoid.
1.
Check
wiring.
Insert
sensitive
(0
-
.25
amp)
meter
in
battery
lines.
Do
not
start
engine.
Remove
connections
and
replace
after
short
is
located.
2.
Check
all
wires
for
temperature
rise
to
locate
the
fault.
3.
Check
cable
connections
at
battery
for
loose
connections,
corrosion.
4.
Check
connections,
check
belt
tension.
test
alternator.
See
DC
ELECTRICAL
SYSTEM/ALTERNATOR.
1.
Perform
D.C.
voltage
check
of
generator
charging
circuit.
See
DC
ELECTRICAL
SYSTEM/ALTERNATOR
in
this
manual.
2.
Check
drive
belt
tension.
Alternator
should
tum
freely.
Check
for
loose
connections.
Check
output
voltmeter.
Ensure
12
volts
are
present
at
the
Exc.
terminal.
1.
Fuel
lift
pump
should
make
a
distinct
ticking
sound.
Replace.
2.
Inspect
wiring
for
short
circuits
and
loose
connections,
Inspect
switches
for
proper
operation,
3.
Check
fuel
supply,
fuel
valves,
Fuel
filters)
fuel
lift
pump
..
4.
Check
for
high
DC
amperage
draw
during
operation.
Ensure
breaker
is
not
overly
sensitive
to
heat
which
would
cause
tripping.
5,
Check
for
blockage
or
collapsed
muftler.
6.
Pump
water
from
fuel
tank(s);
change
filters
and
bleed
fuel
system.
7.
Check
air
intake_
1.
Check
oil
pressure
switch.
2.
Check
water
temperature
switch.
1.
Check
governor
system
components.
I~/WESTERBEKE
(continued)
. I Engines & Generators
22