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 133 of 938

TM 9-2320-279-20-2

Brake and Air System Maintenance Instructions (Cont)

(4)

Disconnect two control

lines (7) from double check

valve (8).

NOTE

Some vehicles have two nuts,

lockwashers, and screws. Others

have two flanged nuts and screws.

(5)

Remove two nuts (9),

lockwashers (10), screws (11),

and brake relay valve (2) from

bracket (12).

(6)

Remove four elbows (13)

from bottom of brake relay

valve (2).

(7)

Remove elbow (6), protection

valve (14), nipple (15), and

bushing (16) from tee tee (17).

(8)

Remove elbow (4) from

tee (17).

(9)

Remove tee (17) from brake

relay valve (2).

Change 2

11-49