Brake and Air System Maintenance Instructions (Cont)
REAR BRAKE CHAMBER AND REAR ARCTIC BRAKE CHAMBER
Tag and mark air lines before
When replacing Model A with
Model B, both brake chambers on
same axle must be same model.
Model B has one air line reversed
from Model A. Refer to FO-2 of
TM 9-2320-279-20-3. Left air line
No. 081 must now go to right
chamber, while right air line No.
082 must go to left chamber. Left
air line No. 022 now goes to right
chamber. Right air line No. 023
now goes to left chamber.
M984E1 has 90° elbows on No. 4
Brake chamber will have to be
uncaged slightly to remove pin.
Disconnect two air lines (8) from elbows (9).
Remove two elbows (9).
Remove cotter pin (10) and clevis pin (11) from slack adjuster (12).
Model B has no lockwashers.
Remove two nuts (13),
lockwashers (14), and washers (15).
Remove brake chamber (16) from
mounting bracket (17).