Specifications
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
PREHEAT
switch
depressed:
1.
Battery
Switch
not
on.
no
panel
indications;
fuel
solenoid
or
electrical
fuel
pump
2.
Emergency
stop
switch
off.
3.
20-Amp
circuit
breaker
tripped.
4.
K2
relay
5.
loose
battery
connections.
START
SWITCH
DEPRESSED,
no
starter
1.
Connection
to
solenoid
faulty.
engagement.
2.
Faulty
switch.
3.
Faulty
solenoid.
4.
loose
battery
connections.
5.
low
battery.
6.
Kl
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.
Verlflcation/Remedy
1.
Check
switch
and/or
battery
connections.
2.
Check
emergency
stop
switch
position.
2.
Reset
breaker;
if
breaker
trips
again,
check
preheat
solenoid
circuit
and
check
circuit
for
shorts
to
ground.
3.
Check
K2
relay.
4.
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
the
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.
la.
Switch
to
combine
house
and
start
batteries.
1
b.
Replace
batteries.
le.
Check
fuel
lift
pump.
1
d.
Change
inlet
fuel
filter.
2.
Preheat
solenoid
faulty.
2.
Check
solenoid.
Engine
can't
be
stopped.
1.
Faulty
DC
alternator.
1.
Remove
"R"
connection
at
alternator,
repair
alternator.
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,
corrosion.
5.
DC
alternator
not
charging.
5.
Check
connections,
check
belt
tension.
test
alternator.
See
DC
ELECTRICAL
SYSTEM/ALTERNATOR.
Battery
not
charging
1.
DC
charge
circuit
faulty.
1.
Perform
D.C.
voltage
check
of
generator
charging
circuit.
See
DC
ELECTRICAL
SYSTEM/ALTERNATOR
in
this
manual.
2.
Alternator
drive.
2.
Check
drive
belt
tension.
Alternator
should
turn
freely.
Check
for
loose
connections.
Check
output
voltmeter.
Ensure
12
volts
are
present
at
the
Exc.
terminal.
Engines & Generators
20