TM-9-2320-272-24-2
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 2 OF 4
JUNE 1998
TM-9-2320-272-24-2 - Page 194 of 991
TM 9-2320-272-24-2
3-305. REAR CAB MOUNT REPLACEMENT
THIS TASK COVERS
a. Removal
b. Installation
INITIAL SETUP:
APPLICABLE MODELS
REFERENCES (TM)
All
TM 9-2320-272-10
TOOLS
TM 9-2320-272-24P
General mechanic’s tool kit (Appendix E, Item 1)
EQUIPMENT CONDITION
MATERIALS/PARTS
l
Parking brake set (TM 9-2320-272-10).
Two locknuts (Appendix D, Item 294)
l
Dump body raised (M929/A1/A2, M930/A1/A2)
(TM 9-2320-272-10).
Two insulators (Appendix D, Item 261)
l
Cab top removed (TM 9-2320-272-10).
l
Spare tire removed (TM 9-2320-272-10).
a. Removal
1.
Pull back insulation and remove two locknuts (7) and washers (6) from cab (9) and frame (8).
Discard locknuts (7).
CAUTION
Raise rear of cab enough to remove insulators. Damage to cab will
result if raised too high.
2.
Using overhead lifting device, raise cab (9) until clear of insulators (5).
3.
Remove two screws (4), washers (3), and springs (2) from inside cab (9).
4.
Remove two insulators (5). Discard insulators (5).
b. Installation
1.
Position two new insulators (5) between cab (9) and frame (8).
2.
Install two washers (3), springs (2), and screws (4) through insulators (5).
3.
Lower cab (9) to frame (8) and remove lifting device
4.
Install two washers (6) and new locknuts (7) on screws (4) and tighten until washers (3) are even
with cab (9) floor.
3-802
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