Chevrolet 30 Series 1967 Service Manual page 59

the upper pivot pin and insert into the upper pivot
hole.
3. Install the valve return spring and mount the actuator
bracket to the kick panel.
PLENUM AIR VALVE
Removal
1. Remove cowl grille panel.
L-6 ENGINE
283-327 V-8 ENGINE
Fig. 44 - Compressor Mountings
Refer to Section 11.
F ig . 45 - Vacuum Diagram
HEATER AND AIR CONDITIONING 1A-31
V-6 ENGINE
2. Disconnect the diaphragm link from the connecting
shaft arm.
3. Remove the screw attaching the connecting shaft to
the tube extending forward from the valve.
4. Remove the screws attaching the nylon bearing plate
to the firewall and slide it forward. Remove valve
return spring.
5. Pull the rear valve pivot pin forward against spring
CHEVROLET TRUCK SERVICE M ANUAL