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 146 of 1176
TM 9-2320-361-24-1
0008 00
0008 00-18
MECHANICAL SYSTEMS TROUBLESHOOTING - DIRECT SUPPORT (Contd)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. VEHICLE WILL NOT
MOVE OR ENGINE
STALLS WITH CLUTCH
ENGAGED (Contd)
2. Check flywheel condition
(WP 0029 00).
3. If transmission to transfer case
propeller shaft will not spin,
remove transmission
(WP 0131 00). Remove pressure
plate and clutch disc for defects.
Verify flywheel condition
(WP 0029 00).
4. If pressure plate and clutch disc
are defective, replace (WP 0050 00).
5. If flywheel is burned or damaged,
repair and replace flywheel
(WP 0441 00 or WP 0029 00).
2. BURNING ODOR
EVIDENT WITH
CLUTCH ENGAGED
CAUTION
• Clutch engagement followed by a
burning odor indicates clutch
improperly engaged and slipping.
When this condition is evident,
inspection of vehicle clutch
operation is required immediately.
Prolonged operation of vehicle
under these conditions may result
in damaged clutch disc, pressure
plate and flywheel.
• Clutch slippage due to improper
clutch disc operation may result in
damage to pressure plate, clutch
disc, and flywheel contact at
surface.
NOTE
Light surface discoloration of
pressure plate and flywheel contact
surfaces may be removed with crocus
cloth. Deeper discoloration and hard
spots on flywheel may require
replacement of part.
1. Check clutch assembly condition.
Remove transmission (WP 0131 00).
2. Remove pressure plate and clutch
disc for inspection
(WP 0050 00).
3. Remove release bearing for
inspection (WP 0049 00).
1. If flywheel or pressure plate
surface is only slightly discolored
or damaged, clean with crocus
cloth. If damage is greater, replace
(WP 0050 00 and WP 0029 00).
Table 4. Clutch System Troubleshooting Procedures (Contd).
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