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 147 of 938

TM 9-2320-279-20-2

Brake and Air System Maintenance Instructions (Cont)

a.

Removal.

(M978)

(M977, M983, M984, & M985)

NOTE

.

Double check valve is mounted differently on M978. Double check valve removal is

the same on all other vehicles.

.

Tag and mark air lines before removal.

(1)

Disconnect two air lines (1).

(2)

Remove two screws (2) and lockwashers (3) from brake relay valve (4).

(3)

Remove double check valve (5) from brake relay valve (4).

(4)

Remove two connectors (6).

11-63