Spring brake chambers are very powerful.
Cage spring brakes before removing
chambers. Failure to comply may result
in injury to personnel.
(1) Disconnect and tag air lines to spring brake
chambers at wheel.
(2) Cage spring brakes on rear wheels (para 11-6).
(3) Unscrew brake chamber(s) from hub and
remove wedge assembly from wheel (para
(4) Inspect wedge spring for damage.
(5) Inspect rollers for flattening or damage.
(6) Manually check operation of wedge
assembly in plunger chamber.
(7) Install wedge assembly and brake chambers
(8) Install wheel brake components and adjust
brakes (para 11-3).
(1) Install wheels (TM 9-2320-366-10-1).
(2) Rotate affected wheel and listen for loose or
damaged wheel bearings. If wheel makes
grinding sound during rotation, adjust or replace
wheel bearings (para 10-2).
(3) Grasp wheel on opposite sides, top and bottom,
and pull in and out. If wheel has excessive play
on the axle, adjust or replace wheel bearings
(4) If wheel bearings are good, replace brake
chamber(s) (para 11-8).
(5) Check wheel hub oil level (Appendix H). If oil
level is low, replace wheel bearings (para 10-2).
(6) Set parking brake (TM 9-2320-366-10-1).
(7) Remove trestle stands and lower wheels to