SERVICE MANUAL
Fig. 12 Typical Brake Group with Removable Anchor Pins
1
Lining (Blocks)
5
Roller Retainer
9
Shoe
2
Link
6
Roller Assembly
10
Anchor Pins
3
Return Spring
7
Camshaft Assembly
11
Shoe Retaining Spring
4
Camshaft Bracket
8
Spider
Fig. 13 Removing Upper Cam Roller
3.
Lift top shoe and remove the remaining
cam roller assembly (Fig. 13).
4.
After removing roller assemblies, the shoe
return spring will be loose and can be
slipped from the links between shoe webs
(Fig. 14).
5.
Swing lower shoe back about 180° to
relieve the tension on the retainer springs
(Fig. 15). Then remove the inboard and
outboard retainer springs (Fig. 16).
6.
Remove lower shoe (Fig. 17). Then
remove upper shoe.
7.
Mark position manual of slack adjuster to
camshaft also noting position of adjusting
screw. The adjuster screw may be facing
toward or away from brake chamber
mounting surface.
8.
Remove clevis pin connecting the brake
chamber push rod to slack adjuster.
CTS-4080W - Page 10
