Brake and Air System Maintenance Instructions (Cont)
REAR BRAKE CHAMBER AND REAR ARCTIC BRAKE CHAMBER
( 2 )
Install clevis pin (6) through
slack adjuster (7) and brake
chamber yoke (8).
Install cotter pin (9).
Adhesives, solvents, and sealing
compounds can burn easily, can
give off harmful vapors, and are
harmful to skin and clothing. To
avoid injury or death, keep away
from open fire and use in
well-ventilated area. If adhesive,
solvent, or sealing compound gets
on skin or clothing, wash
immediately with soap and water.
M984E1 has 90° elbows on No. 4 axle.
Model B has one air line reversed from Model A. When replacing Model A with
Model B, both left air line No. 081 must now go to right chamber, while right air line
No. 082 must now go to left chamber. Left air line No. 022 now goes to right
chamber. Right air line No. 023 now goes to left chamber.
Coat threads of two elbows (10) with pipe thread sealing compound and install.
Connect two air lines (11).
There are two models of rear brake
chambers. Model A has a release bolt that
mounts at top of chamber. Model B release
bolt remains installed. Perform steps (6
through 9) for Model A. Perform steps (8.1
and 9) for Model B.
Remove nut (12) and washer (13) from
release bolt (14).
Remove release bolt (14) from brake