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 540 of 1015
3-60. RADIATOR
TM 9-2320-272-24-1
THIS TASK COVERS:
a. Removal
c. Installation
b. Cleaning and Inspection
INITIAL SETUP:
APPLICABLE MODELS
REFERENCES (TM)
M939A2
TM 750-254
TOOLS
General mechanic’s tool kit (Appendix E, Item 1)
Torque wrench (Appendix E, Item 146)
MATERIALS/PARTS
Two lockwashers (Appendix D, Item 360)
Two locknuts (Appendix D, Item 294)
Locknut (Appendix D, Item 273)
Four locknuts (Appendix D, Item 319)
Antiseize tape (Appendix C, Item 72)
TM 9-2320-272-10
TM 9-2320-272-243?
EQUIPMENT CONDITION
• Parking brake set (TM 9-2320-272-10).
• Right and left splash shields removed
(TM 9-2320-272-10).
• Coolant drained (para. 3-53).
• Hood removed (para. 3-275).
• Oil cooler removed (para. 3-4).
1.
Straighten tabs on two lockwashers (29) and remove screws (30), lockwashers (29), and washers (28)
from bracket (27) and radiator (1). Discard lockwashers (29).
2.
Disconnect hose (5) from adapter (2).
3.
Remove adaptor (2), elbow (3), and elbow (4) from radiator (1).
4.
Loosen clamp (25) and disconnect hump hose (26) from inlet of radiator (1).
5.
Loosen clamp (7) and disconnect lower hump hose (6) from outlet of radiator (1).
6.
Remove screws (10) and (11) and washers (9) from radiator (1).
NOTE
Assistant will help with steps 7 and 8.
7.
Remove four screws (21) and washers (20) from mounting bracket (19).
8.
Remove radiator (1) from engine compartment (12).
NOTE
• Replace mounting bracket only if damaged.
• Retain attaching hardware, fan shroud, and fittings for
installation of new radiator.
9.
Remove two locknuts (22), screws (18), washers (16), and radiator mounting bracket (19) from
control assembly (23). Discard locknuts (22).
10.
Remove locknut (24), screw (15). and control assembly (23) from radiator support (13). Discard
locknut (24).
11.
Remove four locknuts (8), screws (17), washers (14), and radiator support (13) from engine
compartment (12). Discard locknuts (8).
3-176
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