Cleaning And Inspection Of Brake Assembly; Rivet Head Grinding Limits - Piper Navajo Chieftain PA-31-350 Service Manual

NAVAJO CHIEFTAIN SERVICE MANUAL
SHADED PORTION INDICATES
AREA GROUND FROM RIVET HEAD
TOTAL RIVET HEAD AREA
Figure 7-29. Rivet Head Grinding Limits
7-78. CLEANING AND INSPECTION OF BRAKE ASSEMBLY. (Refer to Figure 7-27.)
a. Clean all metal parts of the brake assembly, except the rotating discs (6), in dry cleaning solution.
Federal Specification P-D-680 (Stoddard Solvent), and dry with filtered compressed air. A soft bristle brush
may be used when necessary.
CAUTION
Dry cleaning solvents are toxic and volatile. Use in a
well-ventilated area. Do not inhale the vapors and avoid contact
with skin or clothing.
b.
Clean the rotating disc (6) with compressed air and a soft wire or stiff bristle brush.
c. Clean piston insulators (9) with denatured alcohol. Dry with compressed air or a clean cloth.
NOTE
New O-ring packings should be installed at each overhaul. If the
packings must be reused, they should be cleaned with denatured
alcohol and dried with a clean, soft cloth. Reinstall packings in the
same location from which they were removed.
d. Inspect all parts for cracks, nicks, scratches, damaged threads, or other damage called out in
Table VII-I. Inspection Limits.
NOTE
Replace all parts which are cracked or have damaged threads.
Reissued: 9/23/80
LANDING GEAR AND BRAKE SYSTEM
2F24