AXLE ASSEMBLY (CONT)
All fittings and openings must be capped or plugged immediately after opening to
prevent dirt, moisture, or foreign material from entering the pneumatic system or
damage to equipment may result.
Tag and disconnect two air lines (9) from service/parking brake chamber (10). Install caps/plugs onto fittings and
Remove nut (11), lockwasher (12), and loop clamp (13) from axle. Move two air brake lines (9) toward center of
semitrailer platform, inward away from axle.
Straighten corners of two mounting plates (14) which lock four bolts (15). Remove four bolts (15), two mounting
plates (14), and trunnion cap (16). Discard bolts and mounting plates.
Personnel used to remove/maneuver axle or parking brake chamber must not, at
any time, use the caging bolt as a holding/lifting device. The caging bolt is held in
place by pressure from a spring in the brake chamber. If caging bolt becomes
unseated inside brake chamber, serious injury to personnel may result.
Using 15/16-inch deep-well socket, remove two self-locking nuts (17), two washers (18), and brake chamber (10)
from axle. Discard self-locking nuts.