Pontiac FIREBIRD 1972 Service Manual page 702

-
- - -
--
. -
6B-48
1972 PONTIAC SERVICE MANUAL
4. Drop aluminum inlet ball check into hole in pump 2.
well. Install pump return spring, pressing with finger
to center it in pump well.
5. Replace pump inlet strainer, pressini carefully into
position.
AIR HORN
ASSEMBLE
3.
1 . Install upper choke lever onto choke shaft (link and
cam assembly are permanently attached to the upper
choke lever), with tang on upper lever facing outward
away from air horn and above trip lever. Install
choke shaft in air horn, then install choke valve on
choke shaft, using two attaching screws. Letters RP
4.
on choke valve should face towards top of air horn.
Center choke valve before tightening screws by main-
taining approximately .020" clearance between the
5.
upper choke lever and air horn casting. Then, tighten
choke valve screws and stake lightly in place. Choke
valve should move freely in air horn bore.
6.
7.
FLOAT LEVEL ADJUSTMENT (Fig. 6B-65)
Install pump lever and shaft assembly into air horn
casting. Then, install inner pump lever and tighten
retaining screw securely.
NOTE: Be sure that choke link and fast idle
cam assembly hangs straight down while in-
stalling pump lever and shaft (air horn right
side up). Otherwise, choke link will not clear
pump lever when final positioning of choke link
is desired.
Install pump plunger assembly into the hole on the
inner pump arm by rotating pump assembly verti-
cally until it passes theretaining tang. The end of the
pump plunger shaft should point inwards towards
center of air horn casting.
Install float needle seat and gasket, using wide blade
screwdriver.
Install power piston assembly, if removed, and stake
retaining washer lightly in place.
Install air horn gasket.
Install float needle pull clip and needle on float
MEASURE FROM LIP
VISUALLY CHECK
FOR FLOAT ALIGNMENT
BEND HERE
TO ADJUST
AT TOEOF FLOAT TO
-
-
-
AIR HORN GASKET
-
I
I
I
Fig. 68-65 Float Level Adjustment