Pontiac FIREBIRD 1972 Service Manual page 676

6B-22 1972 PONTIAC SERVICE MANUAL
sembly down and slide upper end of curved power
piston actuator link into end of power piston actuator
rod.
18. Install actuator lever on end of throttle shaft by align-
ing flats on lever with flats on shaft. Install lever
retaining screw and tighten securely.
19. Install float needle valve into needle seat.
20. Install float hinge pin into float arm, then install float
and hinge pin into float bowl.
AIR HORN
ASSEMBLE AND INSTALL (Fig. 68-20)
I. Install choke shaft assembly and choke valve into air
horn, if removed. Align choke valve, tighten two re-
taining screws and stake securely or use thread lock
Part No. 7041970.
2. Install air horn to float bowl by lowering gently onto
float bowl until seated. Install three long and three
short air horn to float bowl attaching screws. Tiehten
.,
"
After adjustment, install metering rod and tension spring.
screws securely (Fig. 6B-25).
21. Install air horn gasket on float bowl by carefully
sliding slit portion of gasket over metering rod
NOTE: Instaff the choke vacuum break dia-
holder. Then align gasket with dowels provided on phragm assembly under the two short air horn
top of bowl casting and press gasket firmly in place. screws next to the thermostatic coif fever. Con-
FLOAT LEVEL ADJUSTMENT (Fig. 6B-23)
GAUGE FROM TOP OF
HOLD FLOAT RETAINING
PIN FIRMLY I N PLACE
-
PUSH DOWN ON END OF
FLOAT ARM, AGAINST
TOP OF FLOAT NEEDLE
BEND HERE TO
ADJUST FLOAT
UP OR DOWN
Fig. 68-23 Float Level Adjustment