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 261 of 938

TM 9-2320-279-20-20

Brake and Air System Maintenance Instructions (Cont)

a.

Removal.

(1)

Disconnect two air lines (1) from elbows (2) on protection valve (3).

(2)

Disconnect two air lines (4) from elbows (5).

(3)

Remove two trailer connection air lines (6) from fittings (7).

(4)

(5)

NOTE

Tag and mark air lines before removal.

NOTE

Some vehicles have two nuts, lockwashers, and screws. Others have two flanged nuts and

screws.

Remove two screws (8), nuts (9), lockwashers (10), and protection valve (3).

Remove two elbows (5), fittings (7), reducers (11), nipples (12), tees (13), nipples (14)

reducers (15), and two elbows (2) from protection valve.

Change 2

11-175