25-21. NO. 3 AND 4 AXLE BRAKE ASSEMBLY REPLACEMENT (CONT).
Wrap cleaning cloth around spindle of pivot and spindle assembly (2) to protect spindle races.
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.
Coat end threads of 15 screws (4) with sealing compound.
Brake assembly weighs 80 lbs (36 kg). Attach suitable lifting device prior to installation to
prevent possible injury to personnel.
Attach lifting device, to brake assembly (1).
Position brake assembly (1) on pivot and spindle assembly (2).
Align matchmarks on brake assembly (1) and pivot and spindle assembly (2).
With the aid of an assistant, install 15 screws (4) and locknuts (3) to brake assembly (1) and pivot and
spindle assembly (2). Tighten screws to 185 to 235 lb-ft (251 to 319 N.m).
Remove lifting device from brake assembly (1).
Remove cleaning cloth from pivot and spindle assembly (2).
Install wheel hub assembly, (Para 25-20).
END OF TASK