Pontiac tempest 1968 Service Manual page 313

6 B - 6
1968 P O N T I A C SERVICE M A N U A L
Fig. 6B-8 Removing Float Hinge Pin
8. Remove power piston and power piston spring
from air horn,
NOTE: Do not remove idle pick-up tube from air
horn as it is pressed in place. The anti-bubble
screen located inside the main well should not be
removed. Clean and blow out dry with compressed
air only.
9. Remove air horn gasket.
DISASSEMBLY OF FLOAT BOWL
1. Using pair of long nosed pliers, remove pump
discharge guide (Fig. 6B-12). Pump discharge spring
and ball may now be removed by inverting bowl and
shaking into palm of hand.
MAIN METERING JET
Fig. 6B-10 Removing Main Metering Jet
3. Remove pump plunger from float bowl by pull­
ing straight upward (Fig. 6B-13).
4. Remove pump return spring from bottom of
pump well (Fig. 6B-14).
NOTE: Do not remove vacuum break suction tube
from throttle body.
5. Place carburetor bowl with suction tube pro­
jected over edge of flat surface and remove two
throttle body attaching screws. Throttle body and
gasket may now be removed.
2. Remove two hair pin clips from pump link and
then remove pump link from throttle lever and pump
plunger rod.
DISASSEMBLY OF THROTTLE BODY
l
e
Remove idle mixture adjusting needle and
spring.
P O W E R C H E C K
V A L V E B A L L
R E T A I N E R
Fig. 6 B - 9 Removing Float Needle Seat Fig. 6B-11 Removing Power Check V a l v e Ball Retainer