TM-9-2320-361-24-1
2-1/2 TON, 6X6, M44A2 SERIES TRUCKS
TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE PART 1 OF 2
AUGUST 2006
TM-9-2320-361-24-1 - Page 116 of 1176
TM 9-2320-361-24-1
0006 00
0006 00-20
MECHANICAL SYSTEMS TROUBLESHOOTING - UNIT (Contd)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. WINCH INOPERATIVE
1. Check transmission PTO linkage
for bends, breaks, or improper
adjustment.
2. Check front winch drive shaft for
broken or missing shearpin.
3. Check front winch propeller shaft
for breaks.
4. Check front winch cable for
bends and kinks.
If PTO linkage is bent, broken, or
out of adjustment, replace or adjust
(WP 0347 00).
If shearpin is broken or missing,
refer to TM 9-2320-361-10.
If propeller shaft is broken, replace
(WP 0346 00).
If winch cable is broken or kinked,
replace (WP 0343 00).
2. WINCH OPERATES IN
ONE DIRECTION ONLY
Check transmission PTO linkage
for bends or improper adjustment
(WP 0347 00).
If PTO linkage is bent or out of
adjustment, replace or adjust
(WP 0347 00).
3. WINCH OPERATES AT
ONE SPEED ONLY
Check throttle control linkage for
damage.
If throttle control linkage is
damaged, replace (WP 0072 00).
4. DRAG BRAKE DOES NOT
OPERATE
Check drag brake adjustment.
1. Adjust drag brake as necessary
(WP 0342 00).
2. If adjustment will not correct
drag brake operation, replace
winch (WP 0345 00).
5. WINCH DOES NOT
HOLD LOAD WHEN
POWER RELEASED
Check automatic brake adjustment.
Adjust automatic brake as
necessary (WP 0344 00).
6. AUTOMATIC BRAKE
OVERHEATS
1. Check weight limits for winch.
2. Check automatic brake
adjustment.
Adjust size of load if overloaded, or
use a snatch block.
Adjust if necessary (WP 0344 00).
7. VEHICLE ROLLS WHILE
OPERATING WINCH
Check parking brake for proper
adjustment.
Adjust parking brake (WP 0164 00).
Table 16. Winch Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. PTO NOISY
1. Inspect PTO propeller shaft for
proper lubrication.
2. Inspect PTO propeller shaft for
bends.
Lubricate propeller shaft if
necessary (WP 0020 00).
If propeller shaft is bent, replace
(WP 0346 00).
2. PTO DIFFICULT TO SHIFT
1. Inspect PTO shift linkage for
proper lubrication.
2. Inspect PTO shift linkage for
bends and cracks.
Lubricate PTO shift linkage if
necessary (WP 0020 00).
If PTO shift linkage is bent or
cracked, replace (WP 0347 00).
Table 17. Power Takeoff (PTO) Troubleshooting Procedures.
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