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 TM 10-3930-644-14&P
H. POWER SHIFT TRANSMISSION (CONT)
TROUBLE
PROBABLE CAUSE
POSSIBLE SOLUTION
Inching pedal
Improperly adjusted.
Adjust inching pedal stop bolt.
does not slow
or stop truck.
Transmission
Improperly adjusted or discon-
Adjust or reconnect shifting linkage.
won't shift into
nected linkage.
LOW or HIGH
gear speed. (If
Fluid level low.
Check fluid level; refill to recommended ca-
so equipped.
pacity If necessary.
Transmission
Improperly adjusted linkage.
Adjust linkage.
"Jumps" out of
"ear.
Mechanical obstruction.
Inspect linkage for any improper routing or
possible obstruction that forces linkage out of
desired position; remove obstruction.
I. ELECTRICAL SYSTEM
TROUBLE
PROBABLE CAUSE
POSSIBLE SOLUTION
Ammeter read-
Defective ignition switch.
Replace switch.
ing "Zero" with
ignition switch
Defective ammeter.
Replace.
"On" and engine
being rotated.
Broken or loose wiring at igni-
Repair or replace wiring.
tion switch.
Ammeter does
Defective regulator.
Adjust or replace regulator.
not show charge.
Defective stator.
Repair or replace windings.
Worn-alternator brushes.
Replace brushes.
Shorted alternator armature.
Repair or replace armature.
Defective rectifying diodes in
Replace.
alternator.
Shorted alternator fields.
Repair or replace alternator.
Slip rings dirty or worn.
Clean slip rings or repair or replace alter-
nator .
Defective wiring.
Check for loose, broken, or disconnected
wires.
Ammeter shows
Defective current control in
Repair or replace regulator.
excessive
regulator.
charge
Battery run down.
Recharge or replace battery.
Defective alternator.
Repair or replace.
Defective ammeter.
Replace.
2-114
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