Piper Navajo Chieftain PA-31-350 Service Manual page 418

NAVAJO CHIEFTAIN SERVICE MANUAL
TABLE VII-I. INSPECTION LIMITS (cont)
Part
(Refer to Figure 7-27.)
Defect
Remedy
Piston (10).
Diameter of pistons
is 1.362 inches or less
measured at three places
around circumference.
Replace.
Burrs, scratches, or
nicks greater than
003 inch deep on
seal surfaces.
NOTE
Replace.
Pistons with damage less than 0.003
accordance with paragraph 7-79.
inch can be repaired in
Stationary Disc (7).
Cracked relief slot
terminal holes and
key-slot corners.
Replace.
Disc worn to 0.130
inch or less.
Disc dished in excess
of 0.030 inch.
Inside diameter of disc
interferes with torque
tube.
Key-slots worn and
battered to less than
0.590 inch or greater
than 0.640 inch in width.
Inside diameter of disc
to 7.10 inches or less,
measured between ends
of keyway tangs.
Replace.
Replace.
Replace.
Replace.
Replace.
Reissued: 9/23/80 LANDING GEAR AND BRAKE SYSTEM
2G3