Remove adjustment rod (34), two capscrews (21), and trunnion fitting (42) from spindle (20).
Person supporting parking/service brake chamber on axle must not at any time
use caging bolt as a holding device. The caging bolt is held in place by pressure
from spring in brake chamber. If caging bolt becomes unseated inside brake
chamber, serious injury to personnel may result.
Install brake chamber (10) and, using a 15/16-inch deep-well socket, secure with two washers (18) and two nuts
Bend ends of mounting plates up slightly before installation. Otherwise, they will
be very difficult to bend.
Install trunnion cap (16) and two mounting plates (14). Secure with four bolts (15). Using a torque wrench, torque
bolts (15) to 180 lb-ft (244 Nm) and bend one corner of each end of mounting plate (14) up against flats of bolt