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 960 of 1015

3-209. EMERGENCY

TM

9-2320-272-24-l

THIS TASK COVERS:

a. Removal

b. Installation

APPLICABLE MODELS

REFERENCES (TM)

M931/A1/A2, M932/A1/A2

TM 9-2320-272-10

Tools

TM 9-2320-272-24P

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

EQUIPMENT CONDITION

MATERIALS/PARTS

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

Air reservoirs drained (TM 9-2320-272-10).

Lockwasher (Appendix D, Item 366)

Antiseize tape (Appendix C, Item 72)

GENERAL SAFETY INSTRUCTIONS

Do not disconnect air lines before draining air

reservoirs.

Do not disconnect air lines before draining air reservoirs. Small

parts under pressure may shoot out with high velocity, causing

injury to personnel.

1.

Remove coupling (1) from adapter (2).

2.

Remove adapter (2) from coupling hose (3).

3.

Remove coupling hose (3) from adapter (12).

4.

Remove adapter (12) from cutoff valve (4).

6.

Remove cutoff valve (4) from adapter (11).

6.

Remove air line (9) from elbow (8).

7.

Remove elbow (8) from adapter (11).

8.

Remove nut (7), lockwasher (6), adapter (11), and identification plate (5) from frame hole (10).

Discard lockwasher (6).

NOTE

Wrap all male pipe threads with antiseize tape before installation.

1.

Insert adapter (11) through identification plate (5) and frame hole (10) and install with new

lockwasher (6) and nut (7).

2.

Install elbow (8) on adapter (11).

3.

Install air line (9) on elbow (8).

4.

Install cutoff valve (4) on adapter (11).

5.

Install adapter (12) on cutoff valve (4).

6.

Install coupling hose (3) on adapter (12).

7.

Install adapter (2) on coupling hose (3).

8.

Install coupling (1) on adapter (2).

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