Installation manual
ENGINE
TROUBLESHOOTING
The following troubleshooting table describes certain problems
relating to engine service, the probable causes
of
these
problems and the recommendationns to overcome these
problems.
Problem
Probable
Cause
PREHEAT
switch
depressed:
1.
Battery
switch
not
on.
depressed:
no
panel
indications;
fuel
solenoid
or
electrical
fuel
pump
2.
Emergency
stop
switch
off.
3.
20-Amp
breaker
tripped.
4.
K2
relay.
5.
Loose
battery
connections.
START
SWITCH
DEPRESSED,
1.
Connection
to
solenoid
faulty.
no
starter
engagement.
2.
Faulty
switch.
3.
Faulty
solenoid.
4.
Loose
battery
connection.
5.
Low
battery.
6.
K1
relay.
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.
Verification/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.
3.
Check
voltage
at
and
after
breaker.
4.
Check
K2
relay.
5.
Check
(+)
connection
to
starter
solenoid
and
(-)
connection
to
engine
ground
stud.
Check
battery
cable
connections.
1.
Check
connection.
2.
Check
switch
with
ohmmeter.
3.
Check
that
12
volts
are
present
at
solenoid
connection.
4.
Check
battery
connections.
5.
Check
battery
charge
state.
6.
Check
K1
relay.
START
SWITCH
is
depressed;
panel
1.
Poor
connections
to
fuel
solenoid.
1.
Check
connections.
indications
OK;
starter
solenoid
OK
fuel
solenoid
not
functioning.
2.
Defective
fuel
solenoid.
2.
Check
that
12
volts
are
present
at
the
(+)
connection
on
the
fuel
run
solenoid.
Generator
engine
cranks,
but
does
not
1.
Faulty
fueling
system.
1.
Check
that
fuel
valves
are
open.
start,
fuel
solenoid
energized.
1a.
Switch
to
combine
vehicle
and
start
batteries.
1
b.
Replace
batteries.
1
c.
Check
fuel
lift
pump.
1
d.
Check
inlet
fuel
filter.
2.
Preheat
solenoid
faulty.
2.
Check
solenoid.
Battery
runs
down.
1.
Oil
Pressure
switch.
1.
Observe
if
gauges
and
panel
lights
are
activated
when
engine
is
not
running.
Test
the
oil
pressure
switch.
2.
High
resistance
leak
to
ground.
2.
Check
wiring.
Insert
sensitive
(0
-
.25
amp)
meter
in
battery
lines.
(Do
not
start
engine.)
Remove
connections
and
replace
after
short
is
located.
3.
Low
resistance
leak.
3.
Check
all
wires
for
temperature
rise
to
locate
the
fault.
4.
Poor
battery
connections.
4.
Check
cable
connections
at
battery
for
loose
connections
or
corrosion.
Battery
not
charging
1.
DC
charge
circuit
faulty.
1.
Perform
DC
voltage
check
of
generator
charging
circuit.
2.
30
Amp
fuse
blown.
2.
Check/replace
'fuse.
Generator
engine
stops.
1.
Fuel
feed
pump
strainer
is
dirty.
1.
Clean
strainer
(32
KW
only).
2.
Switches
and/or
wiring
loose
2.
Inspect
wiring
for
short
circuits
and
loose
connections.
or
disconnected.
Inspect
switches
for
proper
operation.
3.
Fuel
starvation.
3.
Check
fuel
supply,
fuel
valves,
fuel
feed
strainer.
4.
20
Amp
circuit
breaker
tripping.
4.
Check
for
high
DC
amperage
draw
during
operation.
Ensure
breaker
is
not
overly
sensitive
to
heat
which
would
cause
tripping.
5.
Exhaust
system
is
restricted.
5.
Check
for
blockage,
collapsed
hose,
carbon
buildup
at
exhaust
elbow.
6.
Water
in
fuel.
6.
Pump
water
from
fuel
tank(s);
change
filters
and
bleed
fuel
system
7.
Air
intake
obstruction.
7.
Check
air
intake.
Engines & Generators
29