TM-9-2330-227-14-P

SEMITRAILER, VAN: SHOP, 6-TON, SINGLE AXLE, M146

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)

JUNE 1985

TM-9-2330-227-14-P - Page 218 of 576

TM 9-2330-227-14&P

RELAY VALVE

This task covers:

a. Removal (page 4-140)

b. Installation (page 4-141)

INITIAL SETUP

Tools

Materials/Parts

Handle, ratchet, 3/8-inch drive

Tape, teflon (item 20, appendix E)

Socket, 3/8-inch drive, 9/16-inch

Wrench, box-end, 9/16-inch

Personnel Required

Wrench, box-end, 11/16-inch

Wrench, box-end, 7/8-inch

One

Wrench, open-end, 1/2-inch

Wrench, open-end, 9/16-inch

Equipment Condition

Wrench, open-end, 11/16-inch

Wrench, open-end box, 5/8-inch

Air reservoir drained (page 2-13).

Wrench, open-end box, 7/8-inch

ACTION

LOCATION

ITEM

REMARKS

REMOVAL

1.

Two air lines (1)

Two nuts (3)

Using 5/8-inch open-end box wrench and

and two

9/16-inch open-end wrench, unscrew

adapters (2)

and take off.

2.

Air line(4)

Nut (6)

Using 5/8-inch open-end box wrench and

and elbow (5)

1/2-inch open-end wrench, unscrew and

take off.

3.

Air line (7)

Nut (9)

Using 7/8-inch open-end box wrench and

and adapter (8)

11/16-inch open-end wrench, unscrew and

take off.

4.

Relay valve (10)

Two adapters (2)

Using 9/16-inch box-end wrench, unscrew

and take off.

5.

Elbow (5)

Using 1/2-inch open-end wrench, unscrew

and take off.

6.

Adapter (11)

Adapter (8)

Using 11/16-inch box-end wrench,

unscrew and take off.

7.

Relay valve (10)

Adapter (11)

Using 7/8-inch box-end wrench, unscrew

and take off.

4-140