TM 9-2330-383-14&P
4-18. SLACK ADJUSTER (CONT)
c. Loosen nut (2) on slack adjuster (3).
CAUTION
If the control arm is not rotated to the internal stop, tight brakes
will occur.
d. Lightly tap control arm (4) to rotate it toward brake chamber (there is an
arrow stamped on the control arm to show which direction to move it). The
control arm should be rotated until stopped by the internal stop of slack
adjuster.
e. Without moving control arm from stopped position, tighten nut (2) and torque
to 15 lb ft.
f. Using a 7/16-inch ratchet wrench, rotate adjustment hex (5) on underside of
slack adjuster clockwise until shoes are tight against drum and the hex will
no longer turn.
g. Back off adjuster hex (5) one half of a turn by turning counterclockwise.
The wrench will require approximately 15 lb ft to turn, and a ratcheting
sound will occur.
i. Apply brakes through at least 10 applications to complete self-adjustment.
END OF TASK
This task covers: a. Removal
b. Installation
INITIAL SETUP
Tools
Equipment Condition
General mechanics tool kit
Air tanks drained
Materials/Parts
Lockwasher
REMOVAL
NOTE
There are two air cleaners, the service air cleaner and the emergency
air cleaner. They are installed facing in opposite directions. (See air
4-38
Change 1