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 TM 55-1905-223-24-15
d. Separate the power plate (23) from the piston (13) and other components as follows:
(1) Secure the assembly body in a shop vise.
WARNING
High pressure compressed air apparatus possess potential for serious injury to the eyes and
exposed areas of the skin from escaping pressurized air.
Be sure the piston is pointed away from the operator during disassembly and assembly or
personal injury could occur.
CAUTION
Do not apply more than 15 psi static air pressure to the brake or damage to the brake could
occur.
(2) Apply 15 psi air pressure to the power plate air fitting (18) to release brake pressure.
(3) Pull power plate away from the assembly until the piston is clear. Release air pressure.
e. Remove the following components from the power plate: Tag for location during assembly.
(1) Housing plug (22).
(2) Safety relief valve (21).
(3) Bleeder valve (18).
f. Remove the following components from the piston assembly (24):
(1) Preformed packings (16 and 17). Discard the packings.
(2) Preformed packings (14 and 15). Discard the packings.
(3) Primary disc (10).
(4) Five friction linings (11).
(5) Six stationary discs (12).
(6) Piston (13).
g. Remove the retaining ring (2) on the body end of the assembly.
4-26
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