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 452 of 799
TM 9-2320-272-24-3
4-142. CARGO BODY ASSEMBLY MAINTENANCE
THIS TASK COVERS:
a.
Removal
c.
Repair
b.
Cleaning and Inspection
d.
Installation
INITIAL SETUP:
APPLICABLE MODELS
M923/A1/A2, M925/A1/A2, M927/A1/A2,
M928/A1/A2
TOOLS
General mechanic’s tool kit (Appendix E, Item 1)
Two utility chains
Lifting device
Four shop stands
MATERIALS/PARTS
Eight locknuts (Appendix D. Item 321)
Ten locknuts (M923/A1/A2, M925/A1/A2)
(Appendix D, Item 284)
Twenty locknuts (M927/A1/A2, M928/A1/A2)
(Appendix D, Item 284)
Four locknuts (M923/A1/A2, M925/A1/A2)
(Appendix D, Item 321)
Sixteen locknuts (M927/A1/A2, M928/A1/A2)
(Appendix D, Item 321)
Two wood sills (M923/A1/A2, M925/A1/A2)
(Appendix D, Item 725)
Four locknuts (M923/A1/A2, M925/A1/A2)
(Appendix D, Item 273)
Wood sill (M927/A1/A2, M928/A1/A2)
(Appendix D, Item 721)
Wood sill (M927/A1/A2, M928/A1/A2)
(Appendix D, Item 722)
Wood sill (M927/A1/A2, M928/A1/A2)
(Appendix D, Item 723)
Wood sill (M927/A1/A2, M928/A1/A2)
(Appendix D, Item 724)
PERSONNEL REQUIRED
Three
MANUAL REFERENCES (TM)
TM 9-2320-272-10
TM 9-2320-272-24P
TM 9-237
TM 9-247
TM 43-0139
EQUIPMENT CONDITION
l
Parking brake set (TM 9-2320-272-10).
l
Wheels chocked (TM 9-2320-272-10).
l
Front and side racks removed (TM 9-2320-272-10).
l
Cargo body cover bows removed (para. 3-341).
l
Wheel splash guards and brackets removed
(para. 3-342).
GENERAL SAFETY INSTRUCTIONS
l
Drycleaning solvent is flammable and toxic. Do
not use near an open flame.
l
Keep fire extinguisher nearby when using
drycleaning solvent.
l
Lifting device must have a capacity greater than
the weight of the truck bed.
l
All personnel must stand clear during lifting
operations.
1.
Remove four locknuts (5), washer (6), outer support springs (7), inner support springs (4), and
screws (1) from two front upper holddown brackets (2) and lower holddown brackets (3). Discard
locknuts (5).
NOTE
Extra-long wheelbase models (M927/A1/A2, M928/A1/A2) utilize
six intermediate holddown brackets, twelve screws, and twelve
locknuts.
2.
Remove four locknuts (11) and screws (8) from four intermediate holddown brackets (9) and lower
holddown brackets (10). Discard locknuts (11).
4-716
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