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 776 of 799

TM 9-2320-272-24-3

4-228. DEEPWATER FORDING REGULATOR VALVE REPLACEMENT

THIS TASK COVERS:

a. Removal

b. Installation

INITIAL SETUP:

APPLICABLE/MODELS

All

TOOLS

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

MATERIALS/PARTS

Antiseize tape (Appendix C, Item 72)

REFERENCES (TM)

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).

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

GENERAL SAFETY INSTRUCTIONS

Do not disconnect air lines before draining air

reservoir.

WARNING

Do not disconnect air lines before draining air reservoirs. Small

parts under pressure may shoot out with high velocity causing

injury to personnel.

1.

Disconnect supply hose (7) from regulator valve (6).

2.

Remove air line (4) and adapter (3) from tee (2).

3.

Remove regulator valve (6), nipple (5), tee (2), elbow (l), and reducer (9) from air horn solenoid (8).

NOTE

All male threads must be wrapped with antiseize tape before

installation.

1.

Install reducer (9), elbow (1), tee (2). nipple (5), and regulator valve (6) on air horn solenoid (8).

2.

Install air line (4) and adapter (3) on tee (2).

3.

Connect supply hose (7) to regulator valve (6).

4-1040