TM 5-3805-254-34
10-1.
FRONT BRAKE SPIDER AND DUST SHIELD MAINTENANCE (Con’t).
7.
Apply a thin coat of grease to surface of adjusting plunger (22) and adjusting spacer (21).
8.
Install adjusting plunger (22) into brake spider (2) with slot of adjusting plunger facing threaded hole In brake
spider.
9.
Install adjusting spacer (21) into adjusting plunger (22).
NOTE
Ensure that guide Is Installed teeth first, with chamfer of guide facing location of closest
brakeshoe.
10.
Apply thin coat of grease to surface of guide (34) and install guide, spring (33), new gasket (32), and plunger (31)
on brake spider (2). Do not fully tighten plunger.
NOTE
Perform steps 11 through 13 to check for proper meshing of adjusting plunger and guide teeth.
11.
Apply a thin coat of grease to threads of ring screw (19) and install ring screw into adjusting spacer (21) until
seated.
12.
Continue rotating ring screw (19). There should be a clicking sound.
13.
Rotate ring screw (19) in opposite direction about three turns. If there Is no clicking sound, meshing of teeth Is
correct. Remove ring screw. If there is a clinking sound, meshing of teeth is incorrect. Repeat steps 12 and 13
until meshing is correct.
14.
Torque plunger (31) to 15-20 lb.-ft. (20-27 N.m).
15.
Apply thin coat of grease to lips of new seal (20).
16.
Install seal (20) to adjusting plunger (22). Ensure that seal lip is fully seated in groove of adjusting spacer (21).
NOTE
13/4 in. socket may be used as tool when pressing seal Into brake spider.
17.
Press seal (20) into brake spider (2).
18.
Install ring screw (19) through seal (20) into adjusting spacer (21i). Rotate ring screw until ring screw almost
touches seal.
19.
Install two clips (26) to brake spider (2) with two bolts (25), new lockwashers (24), and nuts (23). Perform steps
20 through 23 to assemble wedge assembly.
NOTE
Perform steps 20 through 23 to
assemble wedge assembly.
20.
Apply thin coat of grease to wedge (10)
assemble and wedge rollers (11 and 18).
21.
Install two wedge rollers (11 and 18) on cage
(17)
22.
Install cage (17), return washer (16), new seal
(15) spring (14), and retainer washer (13) to
wedge (10 assembly.
23.
While compressing spring (14) and retainer
washer (13), install new cotter pin (12).
10-5
