THE NEW PIPER AIRCRAFT, INC.
PA-32-301FT / 301XTC
MAINTENANCE MANUAL
PAGE 10
Jun 1/03
3G4
32-40-00
(5) Installation
(a) Install brake handle assembly between its mounting bracket and secure with bolt,
washers, nut and cotter pin. Place washers on each side of handle, between bracket and
under nut.
(b) Place the cylinder between the mounting bracket and secure the base end with bolt,
washers,nut and cotter pin. Place washers on each side of the cylinder and under the nut.
(c) Connect rod end of cylinder to brake handle with a clevis pin and thin washers Safety
clevis with a cotter pin.
(d) Connect pressure line to fitting at bottom of cylinder.
(e) Connect inlet supply line to fitting at top of cylinder and secure with spring clamp.
(f) Bleed brake system per Bleeding Brakes, below.
D. Toe Brake Cylinder(s) (10-30) (See Figures 7 and 8.)
(1) Removal
(a) Disconnect upper and lower lines from cylinder to be removed and cap lines to prevent
fluid leakage or drain fluid from brake reservoir and master cylinder.
(b) Remove cylinder from its attachment fittings by first removing cotter pins that safety
cylinder attaching pins and then removing pins.
(2) Disassembly
(a) Remove cylinder from its mounting bracket per Removal, above.
(b) To disassemble cylinder, first remove piston rod assembly by removing retaining ring from
annular slot in cylinder housing. Draw piston rod assembly from cylinder.
(c) Piston rod assembly may be disassembled by first removing retaining ring, sleeve, spring,
and then piston assembly, O-ring, and gland, washer wiper, and if desired, return spring.
(d) Remove O-ring from piston and packing gland.
(3) Cleaning, Inspection and Repair
(a) Clean cylinder components with a suitable solvent and dry thoroughly.
(b) Inspect interior walls of cylinder for scratches, burrs, corrosion, etc.
(c) Inspect general condition of fitting threads.
(d) Inspect piston for scratches, burrs, corrosion, etc.
(e) Repairs to cylinder are limited to polishing out small scratches and burrs, and replacing
seal and O-rings.
(4) Assembly
NOTE: Rub a small amount of hydraulic fluid (MIL-H-5606A) on all O-rings and component
parts for ease of handling during reassembly and to prevent damage.
(a) Install new O-rings on inside and outside of packing gland and on outside of piston.
(b) To assemble piston rod assembly, install on rod, in order, roll pin, washer, spring, washer,
packing gland with O-rings, seal, piston assembly with O-ring, sleeve and retaining ring.
(c) Insert piston rod assembly in cylinder and secure with retaining ring.
(d) Install cylinder per Installation, below.
(5) Installation
(a) Position cylinder at its mounting points and attach with clevis pins. Safety pins with cotter
pins.
(b) Connect brake lines to cylinder fittings.
(c) Bleed brakes per Bleeding Brakes, below.
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