THE NEW PIPER AIRCRAFT, INC.
PA-32-301FT / 301XTC
MAINTENANCE MANUAL
PAGE 9
Jun 1/03
3G3
32-40-00
(d) Check piston for scratches, burrs, corrosion, etc.
(e) Repairs to cylinder are limited to polishing out small scratches, burrs, etc., and replace O-
rings.
(4) Assembly
NOTE: Use a small amount of hydraulic fluid (MIL-H-5606A) on O-ring and component parts
to prevent damage and ease of handling during assembly.
(a) Install new O-rings on outside of packing gland and on outside of piston. (Install teflon
O-ring on piston, with use of a cone placed against piston. Cone may be constructed of
plastic or metal with dimensions shown in Figure 6.)
(b) To assemble piston rod assembly, install on rod, in order:
1
Roll pins.
2
Return spring retainer washer.
3
Return spring, packing gland with O-rings.
4
Seal.
5 Piston with O-ring.
6 Spring and retainer bushing.
7 Secure with small snap ring on end of rod.
(c) Insert piston rod assembly in cylinder and secure packing gland with snap ring.
(d) Install cylinder per Installation, below.
Hand / Parking Brake Master Cylinder
Figure 6
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