TRUCK SERVICE MANUAL
BRAKES-AIR
certain that it is in fully released position. To do this,
disconnect the push rod at the slack adjuster.
If push
rod moves toward (release) the brake chamber, turn
the worm shaft and rotate the slack adjuster toward
the push rod until the clevis pin can be reinstalled.
2.
Disengage locking sleeve on worm shaft or adjusting
screw by depressing the spring loaded sleeve with
open or box end wrench (Fig. 6).