TM-9-2320-272-24-4

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 4 OF 4

JUNE 1998

TM-9-2320-272-24-4 - Page 569 of 836

5-88. AIR

TM 9-2320-272-24-4

THIS TASK COVERS:

a. Removal

b. Installation

APPLICATION MODELS

EQUIPMENT CONDITION

M934/A1/A2

l

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

l

Cab tarpaulin and bows removed

TOOLS

(TM 9-2320-272-10).

General

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

Chain

Lifting device

l

Windshield lowered (TM 9-2320-272-10).

l

Companion seat lowered (TM 9-2320-272-10).

l

External power source disconnected

MATERIALS/PARTS

(TM 9-2320-272-10).

Cotter pin (Appendix D, Item 57)

Two lockwashers (Appendix D, Item 418)

l

Battery ground cables disconnected (para. 3-126).

l

Air conditioner drain tube removed (para. 3-382).

l

Bonnet door removed (para. 5-87).

REFERENCES (TM)

TM 9-2320-272-10

GENERAL SAFETY INSTRUCTIONS

All personnel must stand clear during lifting

TM 9-2320-272-24P

operations.

NOTE

Screw quantity for steps 1, 2, and 4 may differ from vehicle to

vehicle. Record quantity removed for installation.

1.

Remove sixteen screws (6) and lower angle bracket (5) from lower panel mounting angle (7).

2.

Remove twelve screws (9) and lower panel mounting angle (7) from bonnet (11).

3.

Remove four screws (8) and two mounting angles (4) from bonnet (11).

4.

Remove fourteen screws (3), snap (2), and condenser guard (1) from air conditioner (10).

5-563