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 TM 9-2520-270-34
CAUTION
Packing retainer must be installed toward
pad end of piston assembly. Damage to
equipment can occur.
20. INSTALL ROD (4) IN PISTON
A S S E M B L Y (3).
19. INSTALL NEW PACKING RETAINER (1)
AND NEW PREFORMED PACKING (2)
a. Install rod (4) in piston assembly (3).
ON NEW PISTON ASSEMBLY (3).
Press new retaining ring (5) into
groove (6).
a. Coat new packing (2) with
transmission oil.
21. REPEAT STEPS 18, 19, AND 20 FOR
b. Place new packing retainer (1) and
R E M AINING THREE RODS (4) AND
packing (2) on new piston.
PISTON ASSEMBLIES (3).
23. INSTALL AND SECURE SPRING (8).
a.
Place spring (8) and collar (9) on
rod (4). Install collar with cupped
side up.
22. INSTALL PISTON ASSEMBLY (3)
b.
Hold rod (4) in place, Using 9/16-inch
IN BRAKE HOUSING (7).
open end wrench, press collar (9)
a.
Coat piston assembly (3) with
until pin hole in rod is visible.
transmission oil.
c.
Insert pin (10) through hole in
b.
Press piston assembly (3) in brake
rod (4).
housing (7).
d.
Release pressure on spring (8).
4-266
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