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TM 9-2320-364-20-4
12-43
(13)
Remove nut (1), washer (2) from caging
bolt (3).
(14)
Turn caging bolt (3) 1/4 turn
counterclockwise and remove from air
chamber (4).
(15)
Install caging bolt (3), in storage slot using
washer (2) and nut (1).
(16)
Install preformed packing (6) and plug (5).
(17)
Position plug (5) in air chamber (4).
(18)
Tighten plug (5) to 120 lb-in (14 N.m).
(19)
Start engine and build air pressure to 125
psi (861 kPa).
(20)
Shut OFF engine.
(21)
Release parking brake.
(22)
With the aid of an assistant, apply service
brake pedal and using spanner wrench,
tighten collet nut (14) to 250 to 280 lb-ft
(339 to 380 N.m).
(23)
Release brake pedal.
(24)
Apply parking brake.
(25)
Push in on brake drum (17) approximately
two inches (5 cm) to reinstall brake drum.
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