TM-9-2320-283-20-2

TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1

TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE PART 2 OF 3

DECEMBER 1983

TM-9-2320-283-20-2 - Page 632 of 852

TM 9-2320-283-20-2

BRAKE SYSTEM.

3-172. PARK BRAKE VALVE REPAIR (Continued).

LOCATION/ITEM

ACTION

REMARKS

CAUTION

The valve body and/or cover cannot be clamped

in

a vise.

Failure to

heed caution will result in damage

to park brake valve.

A.

DISASSEMBLY.

WARNING

Cover is under spring force.

Wear eye protection when removing cover and spring.

Failure to

heed

warning can result in personnel injury.

NOTE

Nut

(2) is

used to

secure

valve to instrument panel.

1

Two screws (15)

Hold item (14) and remove

Item (14) is under

two items (15)

spring force.

2

Cover (14), cover

Remove

Discard item (13).

seal (13), and

spring (12).

3

Knob (1)

Install on item (4) and

Prevents rotation of

insert rod through pinhole

item (4) when removing

item (11).

4

Nut (11)

Unscrew and remove from

item (4).

5

Spring plate (10),

Remove from item (4)

Discard item (9), item

seal cup (9), seal

(8), and item (7).

(8), and washer

(7)

3-1004