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 912 of 1015

TM 9-2320-272-24-1

3-200. WET AIR RESERVOIR (SUPPLY TANK) AND BRACKET REPLACEMENT

THIS TASK COVERS:

a. Removal

b. Installation

INITIAL SETUP:

APPLICABLE MODELS

All except M936/A1/A2

TOOLS

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

MATERIALS/PARTS

Eight locknuts (Appendix D, Item 291)

Antiseize tape (Appendix C, Item 72)

REFERENCES (TM)

TM 9-2320-272-10

TM 9-2320-272-24P

EQUIPMENT CONDITION

l

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

l

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

GENERAL SAFETY INSTRUCTIONS

Do not disconnect air lines before draining air

reservoirs.

WARNING

Do not disconnect air lines before draining air reservoirs. Small

parts under pressure may shoot out with high velocity, causing

injury to personnel.

a. Removal

NOTE

Tag air liner for installation.

1.

Disconnect drain line (12) from adapter (11).

2.

Disconnect primary tank air line (14) from elbow (13).

3.

Disconnect auxiliary air line (1) from elbow (2).

4.

Disconnect trailer emergency air line (6) from elbow (3).

5.

Disconnect secondary tank air line (4) from adapter (5).

6.

Disconnect supply tank input air line (15) from elbow (16).

7.

Remove four locknuts (8), two U-bolts (7), and supply tank (9) from two support brackets (10).

Discard locknuts (8).

8.

Remove four locknuts (18), screws (17), and two support brackets (10) from frame brace (19).

Discard locknuts (18).

3-548