TM 9-2320-260-20
MECHANICAL SYSTEMS TROUBLESHOOTING
SYMPTOM INDEX (Contd)
1
I
I
TROUBLESHOOTING
MALFUNCTION
MALFUNCTION
PROCEDURE
NO.
PAGE
WINCH
Winch inoperative (front, midship, and rear) . . . . . . . . . . . . . . . . . . .
Winch operates inonedirection only. . . . . . . . . . . . . . . . . . . . . . . . .
Drag brake doesnotoperate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Winch will not hold load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Automatic brake overheats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vehicle rolls while operating rear winch . . . . . . . . . . . . . . . . . . . . . .
MEDIUM WRECKER (M816), TRACTOR WRECKER (M819)
Hydraulic system does not operate. . . . . . . . . . . . . . . . . . . . . . . . . .
DUMP BODY (M817)
Dump body will not raise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dump body does not hold in raised position . . . . . . . . . . . . . . . . . . . .
Dump body will not lower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tailgate does not open . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TRACTOR BODY (M818)
Trailer will not hitch to fifth wheel.. . . . . . . . . . . . . . . . . . . . . . . . .
EXPANSIBLE VAN BODY (M820, M820A1, M820A2)
Side panels hard to retract or expand . . . . . . . . . . . . . . . . . . . . . . . .
Side panel cannot be locked in retracted position . . . . . . . . . . . . . . . .
Hinged roof and floor panels cannot be locked in folded position. . . . . .
Van bodynotwaterproof orlighttight . . . . . . . . . . . . . . . . . . . . . . . .
Door lock will not operate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heater will not ignite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
POWER UFTGATE (M820A2)
Lift gate will not operate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-86
Platform stops before reaching stowed position or stops above
body floor whenraised fromtheground. . . . . . . . . . . . . . . . . . . . .
Platform closes at angle other than straight up . . . . . . . . . . . . . . . . .
Liftgate operates sloworjerky . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PERSONNEL HOT WATER HEATER KIT
Personnel hot water heater does not heat cab . . . . . . . . . . . . . . . . . .
2-87
PERSONNEL FUEL BURNING HEATER/POWER PLANT HEATER KIT
Heater will not operate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-87
2-69
