e. Position back plate (7) between wheel and brake disc. Install bolts and dry torque as shown in
Figure 7-14.
f. Connect brake line to cylinder housing and bleed brake system as described in Paragraph 7-66 or 7-67.
7-54. BRAKE MASTER CYLINDER (HAND PARKING BRAKE).
7-55. REMOVAL. (Refer to Figure 7-17.)
a. To remove brake master cylinder (8), first disconnect inlet supply line (13) from fitting at top of
cylinder and allow fluid to drain from the reservoir and line into a suitable clean container.
b. Disconnect pressure line from fitting at bottom of cylinder and allow fluid to drain from the
pressure line.
c. Disconnect end of cylinder rod from the brake handle (6) by removing the cotter pin that safeties
the connecting clevis pin (12). Remove clevis pin and spacer washers.
d. Disconnect the base of the cylinder from its mounting bracket by removing bolt assembly (11).
e. The handle assembly (6) may be removed by removing attachment bolt assembly securing handle to
its mounting bracket.
7-56. DISASSEMBLY. (Refer to Figure 7-16.)
a. Remove snap ring (11) from annular slot in rod end of cylinder and withdraw piston rod assembly.
b. Disassemble piston rod assembly by removing snap ring (2) securing retainer bushing (3), spring
(4), piston (6), seal (7), gland (9) and large retaining spring (13).
c. Remove O-ring from piston and gland.
PIPER SENECA II SERVICE MANUAL
Figure 7-16. Brake Master Cylinder (Hand, Parking Brake)
01/01/09 VII - LANDING GEAR AND BRAKE SYSTEM
1L11
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3.
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6.
7.
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