DISC BRAKE CALIPER REPAIR
This task covers:
General mechanics tool kit:
automotive (Appendix B, Item 1)
Disc brake caliper removed (para. 7-41.
Service brake caliper kit
(Appendix G, Item 439)
Abrasive crocus cloth (Appendix C, Item 22)
Brake fluid, silicone (Appendix C, Item 18)
General Safety Instructions
l Hold caliper so piston is facing away from your
body. Keep fingers out of space between piston
and wood block.
l Compressed air will not exceed 30 psi (207 kPa).
Eyeshield must be worn.
Hold caliper so piston is facing away from your body. Keep
fingers out of space between piston and wood block. Failure to
do this may cause injury to personnel.
Compressed air used for cleaning purposes will not exceed
30 psi (207 kPa). Use only with effective chip guarding and
personal protective equipment (goggles/shield, gloves, etc.).
Insert wood block between jaw of caliper (31 and piston (1).
Remove piston (1) from caliper (3) by applying air pressure to hose inlet (2) of caliper (31.
Do not use metal tools to remove dust boot and seal from caliper.
Damage to caliper bore may result.
Remove piston dust boot (4) and seal (5) from caliper bore (61. Discard dust boot (41 and seal (5).
Remove bleeder screw (71 from caliper (3).
Clean disc brake caliper components in accordance with para. 2-14.