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Piper ARROW III Service Manual

Piper ARROW III
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7-59. DISASSEMBLY OF BRAKE MASTER CYLINDER. (Refer to Figure 7-22.)
a. Remove the cylinder from its mounting bracket as per paragraph 7-58.
b. To disassemble the cylinder, first remove the piston rod assembly by removing the snap ring (11) from
the annular slot at the rod end of the cylinder. Draw the piston rod assembly from the cylinder.
c. The piston rod assembly may be disassembled by first removing the small snap ring (2) securing the
retainer bushing (3), spring (4), piston (6), seal (7), gland (9) and if desired, the large return spring.
d. Remove the O-rings from the piston and gland.
7-60. CLEANING, INSPECTION AND REPAIR OF BRAKE MASTER CYLINDER.
a. Clean the cylinder parts with a suitable solvent and dry thoroughly.
b. Inspect the interior walls of the cylinder for scratches, burrs, corrosion, etc.
c. Inspect the general condition of the fitting threads of the cylinder.
d. Check the piston and valve for scratches, bum, corrosion, etc.
e. Repairs to the cylinder are limited to polishing out small scratches, bum, etc and replacing valve
washer seal and O-rings.
7-61. ASSEMBLY OF BRAKE MASTER CYLINDER. (Refer to Figure 7-22.)
NOTE
Use a small amount of hydraulic fluid (MIL-H-5606) on the O-ring and
component parts to prevent damage and ease of handling during
reassembly.
a. Install new O-rings on the inside and outside of the packing gland (9) and on the outside of the piston
(6). (When installing teflon O-ring (5) on piston, it is recommended that it be installed with the use of
a cone placed against the piston. The cone may be constructed of plastic or metal with dimensions
shown in Figure 17-22.)
b. To assemble the piston rod assembly, install on the rod (12), in order, the roll pin (14), return spring
retainer washer (15), return spring (13), packing gland (9) with O-rings, seal (10), piston (6) with O-
ring, spring (4) and retainer bushing (3). Secure these pieces with the small ring (2) on the end of the
rod.
c. Insert the piston rod assembly in the cylinder (1) and secure packing gland with snap ring (11).
d. Install the cylinder per paragraph 7-68.
7-62. INSTALLATION OF BRAKE MASTER CYLINDER. (Refer to Figure 7-21.)
a. Install the brake handle assembly between its mounting bracket and secure with bolt, washers, nut and
cotter pin. Washers should be placed on each side of the handle, between the bracket, and under the
nut.
b. Place the cylinder (8) between the mounting bracket and secure the base end with bolt, washers, nut
and cotter pin. This too should have washers placed on each side of the cylinder and under the nut.
c. Connect the rod end of the cylinder to the brake handle with a clevis pin and thin washers. Safety the
clevis with a cotter pin.
d. Connect the pressure line to the fitting at the bottom of the cylinder.
e. Connect the inlet supply line (13) to the fitting at the top of the cylinder and secure with spring clamp.
f. Bleed the brake system per paragraph 7-69.
Revised: 2/13/89
1K17
* CHEROKEE ARROW III SERVICE MANUAL
LANDING GEAR AND BRAKE SYSTEM

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Piper ARROW III Specifications

General IconGeneral
BrandPiper
ModelARROW III
CategoryAircrafts
LanguageEnglish

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