TM-9-2320-272-24-3
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 3 OF 4
JUNE 1998
TM-9-2320-272-24-3 - Page 8 of 799
TM 9-2320-272-24-3
4-39. ENGINE MOUNTING BRACKETS AND ISOLATORS REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP:
APLICABLE MODELS
M939A2
TOOLS
General mechanic’s tool kit (Appendix E, Item 1)
Torque wrench (Appendix E, Item 144)
MATERIALS/PARTS
Nine locknuts (Appendix D, Item 301)
Tiedown strap (Appendix D, Item 693)
Five locknuts (Appendix D, Item 302)
PERSONNEL REQUIRED
Two
REFERENCES (TM)
TM 9-2320-272-10
TM 9-2320-272-24P
EQUIPMENT CONDITION
Parking brake set (TM 9-2320-272-10).
Surge tank removed (para. 3-62).
Vibration damper removed (para. 4-42).
Air cleaner hose removed (para. 3-13).
NOTE
Assistant will help with this procedure.
a. Removal
1.
2.
3.
4.
5.
6.
Remove tiedown strap (3) from hose (5). Discard tiedown strap (3).
Loosen two clamps (1) and remove hose (5) from thermostat housing connector (4) and
radiator inlet tube (2).
Remove two locknuts (16), washers (15), and backing plate (17) from two screws (7) and cross-
member (18). Discard locknuts (16).
Install chain and lifting device on two engine lifting brackets (6). Place tension on chain.
Remove two screws (7), washers (8), isolators (9), washers (8), and isolators (9) from front
bracket (14).
Remove four screws (13), washers (12), and front bracket (14) from engine (10) and radiator
bracket (11).
4-272
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