TM-9-2320-279-20-2

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; ORGANIZATIONAL MAINTENANCE, VOLUME 2 OF 3

TM-9-2320-279-20-2 - Page 128 of 938

TM 9-2320-279-20-2

Brake and Air System Maintenance Instructions (Cont)

11-12. BRAKE RELAY VALVES REMOVAL/INSTALLATION (CONT).

d.

Right Rear Brake Relay Valve Installation.

WARNING

Adhesives, solvents, and sealing

compounds can burn easily, can give off

harmful vapors, and are harmful to skin

and clothing. To avoid injury or death,

keep away from open fire and use in

well-ventilated area. If adhesive, solvent,

or sealing compound gets on skin or

clothing, wash immediately with soap and

water.

(1)

Coat threads with pipe thread sealing

compound and install four elbows (1) in

bottom of brake relay valve (2).

(2)

Coat threads of elbow (3) with pipe

thread sealing compound and install

elbow in side of brake relay valve (2).

(3)

Coat threads of tee (4) with pipe thread

sealing compound and install tee in top

of brake relay valve (2).

NOTE

Some vehicles have two nuts, lockwashers,

and screws. Others have two flanged nuts

and screws.

(4)

Install bracket (5) on bracket (6) with

two screws (7), lockwashers (8), and

nuts (9).

NOTE

Some vehicles have two nuts, lockwashers,

and screws. Others have two flanged nuts

and screws.

(5)

Install brake relay valve (2) on

crossmember (10) with two screws (11).

lockwashers (12), and nuts (13).

11-44

Change 2