SERVICE MANUAL
Rockwell "P" Series Brake Group (Fig. 8)
Remove brake shoes as follows:
1.
Remove brake dust shields.
2.
With a bar, pry each shoe one at a time
away from the can and lift roller assemblies from
end of shoes.
3.
After the rollers are removed, the shoe
return spring will be loose and can be slipped off
the links between the shoe webs.
4.
Remove anchor pin retainers (lock rings),
seal retainers and felt seals.
5.
Cut lock wire and remove anchor pin lock bolt
(Fig. 9). The anchor pin can then be removed.
As the pins are forced out, the shoes will be free.
Fig. 9 Brake Spider with Removable Anchor Pins
1
Anchor Pin
4
Lock Bolt
2
Felt Seal
5
Bushing
3
Retainer
Vehicles with automatic slack adjusters, refer to the
brake section which applies to automatic slack adjusters.
6.
Mark position of slack adjuster in relation to
camshaft, also noting position of adjusting
screw. Adjuster screw may either be facing
toward or away from brake chamber
mounting surface.
7.
Remove
clevis
pin
connecting
brake
chamber push rod to slack adjuster.
8.
Remove lock ring retaining slack adjuster to
end of camshaft. Note location of spacer
washers for reassembly purposes.
9.
Remove slack adjuster assembly from
camshaft.
10.
Push or tap camshaft from spider and
camshaft bracket.
Rockwell "G" Series Brake Group (Fig. 10)
Remove brake shoes as follows:
1.
Disconnect lower and upper Cam roller
retainers (Fig. 11).
Fig. 10 Disconnecting Roller Retainer
2.
Press down on the lower brake shoe and
remove the lower cam roller (Fig. 12).
Fig. 11 Removing Lower Cam Roller
CTS-4080W - Page 9
