TRAILER BRAKE HAND CONTROL VALVE

TM 9-2320-270-20-2

TRAILER BRAKE HAND CONTROL VALVE

This task covers:

d. Inspection/Replacement (page 4-870)

a. Removal (page 4-868)

e. Assembly (page 4-870)

b. Disassembly (page 4-869)

f. Installation (page 4-870)

c. Cleaning (page 4-870)

INITIAL SETUP

Materials/Parts

Tools

Lockwasher, clamp screw (two required)

Extension, 5-inch, 3/8-inch drive

Soap, liquid (item 14, appendix C)

Hammer, plastic

Tag, marking (item 18, appendix C)

Handle, ratchet, 3/8-inch drive

Tape, teflon (item 22, appendix C)

Pliers, long-nose, round

Socket, 12-point, 3/8-inch, 3/8-inch

Personnel Required

drive

Wrench, open-end, 5/8-inch

One

Wrench, open-end, 9/16-inch

ACTION

REMARKS

ITEM

LOCATION

REMOVAL

WARNING

Make sure all pressure is drained from air system before disconnecting air lines. Parts

under pressure can, when removed, fly off with great force causing injury to personnel.

NOTE

Tag air lines according to general maintenance instructions (page 4-1).

Drain (TM 9-2320-270-10).

Air system

Using 5/8-inch wrench, unscrew and pull

Nut (3)

2. Air line 027 (1)

back.

to adapter (2)

Pull out.

Air line 027 (1)

3. Adapter (2)

Using long-nose pliers, pull out.

Insert (4)

4. Air line 027 (1)

or adapter (2)

Using 5/8-inch wrench, unscrew and pull

Nut (7)

5. Air line 663 (5)

back.

to adapter (6)

Pull out.

Air line 663 (5)

6. Adapter (6)

4-866