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 989 of 1207
TM 9-2320-361-20
13-14. FIRST REDUCTION DRIVECHAIN MAINTENANCE (M764)
This task covers:
a. Removal
c.
Adjustment
b. Installation
INITIAL SETUP:
APPLICABLE MODELS
REFERENCES (TM)
M764
TM 9-2320-361-10
MATERIALS/PARTS
TM 9-2320-361-20P
Clip
EQUIPMENT CONDITION
Parking brake set (TM 9-2320-361-10).
1. Remove two screws (4), washers (3), and drivechain cover (2) from speed reducer (1) and worm gear
housing (10).
2. Remove clip (13), keeper (14), master link (15), and drivechain (6) from drum sprocket (7), idler
sprocket (8), and input shaft sprocket (9). Discard clip (13).
1. Install drivechain (6) around idler sprocket (8), input shaft sprocket (9), and drum sprocket (7). If
drivechain (6) ends do not meet, adjust drivechain (6).
2. Install master link (15) and keeper (14) on drivechain (6) with new clip (13).
3. Push down on drivechain (6) to measure freeplay at midpoint (5) of drivechain (6). Freeplay should
measure 0.5 in. (1.3 cm). If not, adjust drivechain (6).
1.
2.
3.
4.
NOTE
Perform step 1 if reduction drivechain cover has not been removed.
Remove two screws (4), washers (3), and drivechain cover (2) from speed reducer (1) and worm gear
housing (10).
Loosen jamnut (12) and adjust setscrew (11) until 0.5
in. (1.3 cm) freeplay is obtained at midpoint
(5) of drivechain (6) while pushing down on drivechain (6).
Tighten jamnut (12) and ensure setscrew (11) does not move.
Install drivechain cover (2) to speed reducer (1) and worm gear housing (10) with two washers (3)
and screws (4).
13-24
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