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 923 of 1207
12-87.
TM 9-2320-361-20
This task covers:
a. Horizontal Drivechain Cover Removal
d. Vertical Drivechain Cover Removal
b. Horizontal Drivechain Adjustment
e. Vertical Drivechain Adjustment
c. Horizontal Drivechain Cover Installation
f. Vertical Drivechain Cover Installation
INITIAL SETUP:
APPLICABLE MODELS
M764
MATERIALS/PARTS
Four lockwashers
Safety wire (Appendix C, Item 22)
REFERENCES (TM)
TM 9-2320-361-10
TM 9-2320-361-20P
EQUIPMENT CONDITION
Parking brake set (TM 9-2320-361-10).
a. Horizontal Drivechain Cover Removal
1. Remove
safety wire (11) from retaining collar (10), loosen setscrew (9), and remove retaining
collar (10) from
shaft (14). Discard safety wire (11).
2. Remove
nut (3), lockwasher (2), and screw (13) from
cover (12) and shifting handle bracket (1).
Discard lockwasher (2).
3. Remove
screw (8), lockwasher (7), washer (6), bushing (5), and cover (12) from gear (4). Discard
lockwasher (7).
1. Check freeplay by pushing up at midpoint of drivechain. Acceptable freeplay is 0.5 in. (1.27 cm).
NOTE
If
freeplay is acceptable, proceed to subtask c. If freeplay is
unacceptable, perform steps 2 through 4.
2. To adjust freeplay, loosen nut (16) and screw (15).
3. Hold shaft (17) and turn eccentric bushing (18) until freeplay is 0.5 in. (1.27 cm).
4. Tighten nut (16) and screw (15).
1. Install cover (12) on gear (4) with bushing (5), washer (6), new lockwasher (7), and screw (8).
2. Install screw (13) through cover (12) and shifting handle bracket (1) with new lockwasher (2) and
nut (3).
3. Install retaining collar (10) on shaft (14) alined with slot and tighten setscrew (9).
4. Wrap new safety wire (11) around retaining collar (10) and setscrew (9).
12-140
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