Chevrolet 30 Series 1967 Service Manual page 249

5. Insert main cylinder push rod through rubber boot
and into piston. Install retaining bolt, lockwasher
and nut. Refer to torque specifications at rear of
manual for correct torque valve.
. Adjust push rod until 1/8 to 1/4 inch free movement
6
is obtained at pedal pad.
7. Lubricate pivot shaft at fitting.
BRAKE PEDAL-CHEVY VAN (Fig. -57)
Removal
1. Disconnect brake pedal return spring.
2. Remove upper to lower brake pedal arm nut and
remove upper arm.
3. Remove nut and eccentric bolt holding main cylin­
der push rod to lower pedal assembly.
4. Remove pivot shaft retainer and screw from bracket
assembly. Remove pivot shaft using a small brass
drift if needed.
5. Remove grease fitting from arm assembly.
Inspection
1. Inspect pivot shaft and pedal bushings for wear or
other damage.
2. If necessary to remove bushings from pedal use a
cape chisel for removal, then deburr.
3. Install new bushings in each side of pedal bore
using a vise as a press.
Installation
1. Reverse r e m o v a l
assembly.
NOTE: (A) Assemble eccentric push rod to
pedal attachment bolt with projection in up
position before adjustment. (B) Mark on upper
and lower pedal assemblies must be assembled
in line.
2. Adjust push rod to main cylinder clearance as de­
scribed in this section.
3. Check stop light operation and adjust switch if re ­
quired as described in Section 12.
4. Grease fitting until grease passes thru bushing and
comes out both sides of pivot bore.
Adjustment
1. Loosen check nut on the eccentric bolt attachment
procedure to install p e d a l
F ig . 58 —Parking Brake Levers—C , K , P10— 20— 30 Models
®gpween the brake pedal and main cylinder push rod
#T ttrn eccentric bolt as required to provide correct
2
adjustment. Movement of pedal pad before push rod
contacts main cylinder piston must be 1/16" to 1/4".
NOTE: Eccentric Adjustment bolt should be
installed with projection in down position before
adjustment.
3. Tighten check nut on eccentric bolt to 22 lb. ft.
torque, and recheck movement.
PARKING BRAKE-REAR WHEEL TYPE
Refer to hand brake levers and cable routing as shown
by Figures 58 through 63.
PARKING BRAKE-CHEVY VAN
Handle Assembly (Fig. 63)
Removal
1. Place parking brake handle in released position.
2. Remove front cable to equalizer by removing check
nut at rear of cable.
3. Engage parking brake handle until ball on front end
of cable can be slipped out of handle assembly.
4. Remove two handle attaching screws, washers and
nuts from front of engine compartment housing and
also nut from underside of floor, attaching base of
handle assembly to floor.
Installation
1. Reverse removal procedure.
2. Adjust parking brake as outlined previously in this
section.
Front Cable (Fig. 63)
Replacement
1. Refer to first three steps under Parking Brake
Handle Assembly Removal for cable replacement.
2. Adjust parking brakes as described in this section.
Rear Cables (Fig. 63)
Removal
1. Place parking brake handle in released position.
BRAKES 5-33
CHEVROLET TRUCK SERVICE M ANUAL