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 916 of 1015

TM 9-2320-272-24-1

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

b. Installation

CAUTION

Open-end wrench must be used to anchor tank boss fittings when

connecting or disconnecting associated fittings. Damage to tank

bosses may result if open-end wrench is not used.

NOTE

l

If new reservoir is being installed, fittings from old reservoir

may be used. Fittings must be cleaned and inspected for cracks

and stripped threads.

l

Wrap male pipe threads with antiseize tape before installation.

1.

Install adapters (18) and (19) on supply tank (17).

2.

Install nipple (20), tee (7), reducer (8), nipple (9), relief valve (11), elbow (10), shutoff valve (6), and

elbow (5) on supply tank (17).

3.

Install elbow (16), nipple (15), shutoff valve (14), and adapter (13) on supply tank (17).

4.

Install elbow (12) on supply tank (17).

5.

Install tee (26), reducer (24), safety valve (23), and elbow (25) on supply tank (17).

6.

Install two support brackets (4) on frame braces (1) with four screws (2) and new locknuts (3).

7.

Install supply tank (17) on two support brackets (4) with two U-bolts (22) and four new locknuts (21).

NOTE

Perform steps 8 through 11 for M934/A1/A2 vehicles.

8.

Install elbow (30) on supply tank (17).

9.

Install elbow (29), shutoff valve (28), and adapter (27) on supply tank (17).

10.

Install support plate (31) on frame (35) with four screws (34).

11.

Install supply tank (17) on support plate (31) with two U-bolts (33) and four new locknuts (32).

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