TM-9-2320-272-24-1
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 1 OF 4
JUNE 1998
TM-9-2320-272-24-1 - Page 858 of 1015
TM 9-2320-272-24-1
3-177. PARKING BRAKEDRUM DUSTCOVER 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
Torque wrench (Appendix E, Item 145)
Wheels chocked (TM 9-2320-272-10).
MATERlALS/PARTS
Parking brakeshoes removed (para. 3-176).
Locknut (Appendix D, Item 287)
1.
Remove locknut (1), washer (2), brake lever (8), and brake lever cam (7) from parking brakedrum
dustcover (4). Discard locknut (1).
2.
Remove four screws (6), backing plate (5), and parking brakedrum dustcover (4) from backing plate
companion flange (3).
1.
Install parking brakedrum dustcover (4) and backing plate (5) on backing plate companion flange (3)
with four screws (6). Tighten screws (6) 180-230 lb-ft (244-312 N-m).
2.
Install brake lever (8) on parking brakedrum dustcover (4) with brake lever cam (7), washer (2), and
new locknut (1).
3-494
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