PRODUCT REFERENCE MEMO
PRM36
Page 2 of 2
Initial Release December 10, 1984
Rev B July 1, 1995
11. Following cleaning and inspection of the cylinders and pistons, install the new o-ring supplied in the kit.
12. Lubricate the piston bores, o-rings and pistons with hydraulic fluid compatible with the aircraft system.
13. Lay the cylinder on a firm surface and insert piston into bore until o-rings prohibit further insertion. While
applying pressure with your thumbs, rotate the piston in a clockwise direction. After o-ring squeeze is
overcome, the piston will slide freely into the bore. Push piston flush to cylinder face. (Repeat 8 places.)
14. Install cylinders on aircraft.
15. Install washers and cylinder tie bolts into cylinders. (Typically 24 places.)
16. Install (1) one insulator shim onto brake cylinder.
CAUTION: The brake may have had two (2) shims per cylinder installed at disassembly, re-assembly,
however, with the new retract mechanisms, require that only one shim be used. The
additional shims may be saved and used as future replacements should one become
damaged.
17. Install back plates and tighten (24 each) cylinder tie bolts. FINAL TORQUE 85-90 IN-LB.
18. Reattach hydraulic feed line and bleed brakes.
19. With parking brake off, install new retract mechanism into the back of each piston. Screw in by hand,
making sure that the stud bottoms on the piston tail surface. FINAL TORQUE 30-40 IN-LB.
REFER TO DRAWING IN KIT FOR CORRECT PARTS SEQUENCING.
20. Safety wire studs.
21. Apply decals supplied in kit (one per brake assembly) for re-identification.
