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