JLG Skytrak 6036 Service Manual page 262

Section 10. Electrical System
Trouble
Starter doesn't run
or doesn't run
correctly.
No voltage at
starter solenoid
when ignition key
switch is in the
START position.
Starter operates
continuously
without ignition
key in the START
position.
10-68
Probable Cause
Starting System—STARTER
1. Discharged batteries.
2. Bad connections, wires,
cables or other parts in the
starting circuit.
3. Using the wrong engine oil
for cold weather operation.
4. Worn teeth on the starter
drive pinion or the flywheel
ring gear.
5. Hex nuts that fasten the
starter to the flywheel
housing are loose.
6. Worn or damaged parts
inside the starter.
7. Damaged coils or contacts
in the starter solenoid.
Starting System—STARTING MOTOR RELAY
Starter relay (36, Fig 10.5) is
not energized due to broken
wiring or a defective circuit
breaker (10).
Starter relay (36, Fig 10.5) is
"frozen" in the closed position.
Remedy
See corrections for problem of
discharged batteries.
See troubleshooting the
"Starting system—General".
Refer to paragraph 8.1,
Engine Lubrication
instructions.
Remove the starter to check
the teeth. Repair as
necessary.
Tighten the hex nuts.
Refer to paragraph 10.5.3.e
DO NO LOAD TEST.
Perform starter solenoid tests.
Replace wiring or circuit
breaker.
Temporarily disconnect wiring
to starter relay and replace
starter relay.
Model 6036 S/N 9B0499 and Before
Reference
See para. 10.6.2
See para. 8.1
See para. 10.5.3.h
See para. 10.5.3.h
See para. 10.5.3.e
See para. 10.5.3.e
See para. 10.5.4
See para. 10.5.4