TM 9-2320-302-20
0139 00-3
SLACK ADJUSTER ADJUSTMENT - CONTINUED
0139 00
ADJUSTMENT - CONTINUED
7.
There must be at least 1/2 in (12.7 mm) of thread engagement between clevis and push rod. Push rod must not extend
through clevis more than 1/8 in (3.18 mm).
8.
If adjustment cannot be obtained, install new air brake chamber.
9.
Remove screw (11), spring (12), and pawl (13).
10.
Rotate wheel and tighten screw (14) until wheel does not rotate.
NOTE
A slight amount of drag will be felt during wheel rotation.
11.
Loosen screw (14) 1/4 turn and rotate wheel.
12.
Install pawl (13), spring (12), and screw (11). Tighten screw to 180-240 lb-in (20-27 Nm).
13.
Using flat tip screwdriver, pull slack adjuster (15) in direction away from brake chamber (16) while measuring total dis-
tance of travel between slack adjuster and brake chamber.
14.
If total distance of travel exceeds 1-3/4 in (44.45 mm), or if total distance is not minimum of 1/2 in (12.7 mm), repeat
steps 9 through 13.
15.
Remove trestle from axle.
END OF WORK PACKAGE
FRONT
REAR
0.500-1.750 IN
0.500-1.750 IN
15
14
11,12,13
16
16
15
16
14
11,12,13
16
