DISC BRAKE ASSEMBLY REPLACEMENT/REPAIR - continued

TM 10-3930-673-34

WARNING

Do not put hands in front of the pistons when forcing out the pistons. Failure to follow

this precaution could result in severe personal injury.

DO NOT exceed 30 psi (206.85 kPa) nozzle pressure when drying parts with

compressed air. Always wear safety glasses. Do not direct compressed air against

human skin. Failure to follow these instructions may result in SERIOUS INJURY or

DEATH.

(b)

Use compressed air at inlet

fitting (9) to force pistons (7) out of

brake housing (2). Place a piece of

wood in front of the piston that

comes out first so other piston will

be forced out.

(c)

Remove two pistons (7) from brake

housing (2) piston bores opposite

from mounting plate.

(2)

Remove two bleeder screws (10)

from brake housing (2).

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(3)

Remove two cylinder heads (11) from

brake housing (2).

(a)

Remove plug (12) and fitting (9)

from two cylinder heads (11).

(b)

Use an open-end wrench on the two

flat areas on top of cylinder

head (11). Remove two cylinder

heads from brake housing (2).

(c)

Remove preformed packings (13)

from each cylinder head (11).

Discard preformed packings.

(4)

Use wood block or dowel and push

on two pistons (8) to force pistons

out from mounting side of brake

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housing (2) towards disc side.

(5)

Remove four dust seals (14) from

brake housing (2).

(6)

Remove and discard four preformed packings (15) and back-up rings (16).

c. Cleaning. See Cleaning Instructions (Para 2-12).

10-5