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 524 of 1015

3-55. AIR

TM 9-2320-272-24-1

THIS TASK COVERS:

a. Supply Tube Removal

b. Return Tube Removal

c. Inspection

d. Supply Tube Installation

e. Return Tube Installation

INITIAL SETUP:

APPLICABLE MODELS

M939/A1

TOOLS

General mechanic’s tool kit (Appendix E, Item 1)

MATERIALS/PARTS

Lockwasher (Appendix D, Item 349)

Four bushings (Appendix D, Item 21)

Antiseize tape (Appendix C, Item 72)

REFERENCES (TM)

TM 9-243

TM 9-2320-272-10

TM 9-2320-272-24P

EQUIPMENT CONDITION

• Parking brake set (TM 9-2320-272-10).

• Hood raised and secured (TM 9-2320-272-10).

• Cooling system drained (para. 3-63).

1.

Loosen two flare nuts (4) and remove coolant supply tube (6) from water pump adapter (7) and air

compressor elbow (2), and slide nuts (4) to center of tube (6).

2.

Remove and discard two bushings (3) from tube (6).

3.

Remove water pump adapter (7) and air compressor elbow (2) from engine oil cooler (1) and air

compressor (5).

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