Chevrolet 30 Series 1967 Service Manual page 236

BRAKES 5-20
35—
Fig. C hecking A ctuating Lever O peration
1. Inspect new linings and make certain there are no
nicks or burrs or bonding material on shoe edge
where contact is made with brake flange plate or on
any of the contact surfaces.
NOTE: Keep hands clean while handling brake
shoes. Do not permit oil or grease to come in
contact with linings.
2. If working on rear brakes, lubricate parking brake
cable.
3. On rear brakes only, lubricate fulcrum end of park­
ing brake lever and the bolt with brake lube, then
attach lever to secondary shoe with bolt, spring
Fig . 36—Inspecting for Proper Lubrication
Fig. 37— Installing Pull Back Springs Using Tool J-22348
washer, lock washer and nut. Make sure that lever
moves freely (fig. 35).
4. Before installation, make certain the adjusting screw
is clean and lubricated properly (fig. 36).
NOTE:
Loose adjustment may occur from an
adjusting screw that is not properly operating.
If the lubrication in the adjusting screw of as­
sembly is contaminated or destroyed, the ad­
justing screw should be thoroughly cleaned and
lubricated.
5. Connect brake shoes together with adjusting screw
spring, then place adjusting screw, socket and nut
in position.
CAUTION: Make sure the proper adjusting
screw is used (left hand or right hand). The star
wheel should only be installed with the star
wheel nearest to the secondary shoe and the
adjusting screw spring inserted to prevent inter­
ference with the star wheel.
. Install parking brake cable (rear only).
6
7. Secure the primary brake shoe (short lining faces
forward) first with the hold down pin and spring using
a pair of needle nose pliers. Engage shoes with the
wheel cylinder connecting links.
. Install and secure the actuator assembly and second­
8
ary brake shoe with the hold down pin and spring
using a pair of needle nose pliers (on rear position
parking brake strut and strut spring).
9. Install guide plate over anchor pin.
10. Install the wire link.
NOTE: Do not hook the wire link over the
anchor pin stud with the regular spring hook
tool. This may damage the cylinder boot seals.
Fasten'the wire link to the actuator assembly
CHEVROLET TRUCK SERVICE M ANUAL