Piper Dakota - Assembly of Brake Cylinder; Brake Bleeding Procedure; Cleaning, Inspection and Repair of Brake Cylinder; Installation of Brake Cylinder

CLEANING, INSPECTION, AND REPAIR OF BRAKE CYLINDER
1. Clean cylinder parts with a suitable solvent and dry thoroughly.
2. Inspect interior walls of cylinder for scratches, burrs, corrosion, etc.
3. Inspect general condition of cylinder fitting threads.
4. Check piston and valve for scratches, bum, corrosion, etc.
5. Repairs to cylinder are limited to polishing out small scratches, burrs, etc., and replacing valve,
washer, seal, and O-rings.
ASSEMBLY OF BRAKE CYLINDER (TOE BRAKE)
—CAUTION—
Use a small amount of hydraulic fluid (MIL-H-5606) on the O-
ring and component parts to prevent damage and ease handling
during reassembly.
1. Cleveland cylinder number 10-30: (Refer to figure 32-16.)
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 and O-ring, spring and roll pin.
c. Insert piston rod assembly in cylinder and secure with retaining ring.
d. Install cylinder. (Refer to Installation of Brake Cylinder.)
2. Gar-Kenyon cylinder number 17000: (Refer to figure 32-17.)
a. Install new O-rings on inside and outside of fitting and on outside of piston.
b. To assemble piston rod assembly, install on rod, in order, roll pin, return spring retainer washer,
return spring, fitting with O-rings, seal, piston with O-ring, spring and sleeve. Secure pieces with
retaining ring on end of rod.
c. Insert piston rod assembly in cylinder and secure fitting.
d. Install cylinder. (Refer to Installation of Brake Cylinder.)
INSTALLATION OF BRAKE CYLINDER (TOE BRAKE) (figure 32-14)
1. Position cylinder at mounting points and attach with clevis pins. Safety pins with cotter pins.
2. Connect brake lines to cylinder fittings.
3. Bleed brakes.
BLEEDING BRAKES
BRAKE BLEEDING PROCEDURE (GRAVITY)
1. Attach a clean, clear plastic tube to brake bleeder of right landing gear. Extend free end of tube to a
container partially filled with hydraulic fluid (MIL-H-5606). Ensure that end of tube is submerged in
fluid. Open bleeder 1/2 to 1 turn.
2. Fill brake fluid reservoir located on firewall with hydraulic fluid.
32 - 46 - 00
Page - 32-29
Reissued: August 1, 1986
2C17
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL