TM-9-2320-361-20
2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)
TECHNICAL MANUAL; UNIT MAINTENANCE
OCTOBER 1991
TM-9-2320-361-20 - Page 991 of 1207
TM 9-2320-361-20
13-15. SECOND REDUCTION DRIVECHAIN MAINTENANCE (M764)
This task covers:
a. Removal
c. Adjustment
b. Installation
INITIAL SETUP:
APPLICABLE MODELS
M764
MATERIALS/PARTS
REFERENCES (TM)
TM 9-2320-361-10
TM 9-2320-361-20P
Clip
EQUIPMENT CONDITION
Two lockwashers
Parking brake set (TM 9-2320-361-10).
1. Remove two screws (9), lockwashers (8), washer (7), and drivechain cover (10) from speed reducer (1)
and cross chain cover (6). Discard lockwashers (8).
2. Remove clip (16), keeper (15), master link (14), and drivechain (11) from output shaft sprocket (2),
carriage drive sprocket (12), and idler sprocket (5). Discard clip (16).
1. Install drivechain (11) on carriage drive sprocket (12), output shaft sprocket (2), and under idler
sprocket (5).
2. Install master link (14) and keeper (15) on drivechain (11) with new clip (16).
1.
2.
3.
4.
NOTE
Perform step 1 if reduction drivechain cover has not been removed.
Remove two screws (9), lockwashers (8), washer (7), and drivechain cover (10) from speed reducer (1)
and cross chain cover (6). Discard lockwashers (8).
Loosen jamnut (4) and adjust adjusting nut (3) to obtain 0.5 in. (1.3 cm) freeplay at midpoint (13) of
drivechain (11) when pushing up on drivechain (11).
Tighten jamnut (4) and ensure adjusting nut (3) does not move.
Install drivechain cover (10) to speed reducer (1) and cross chain cover (6) with washer (7) two new
lockwashers (8), and screws (9).
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13-26
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