Ford COUGAR 1968 Shop Manual page 521

PART 104
-
Autolite Model
21 00 2-V
Carburetor
10-61
tighten the retaining screws.
9. Insert the accelerating pump
operating rod into the inboard hole of
the accelerating pump actuating lever.
Position the accelerating pump opera-
ting rod retainer over the specified
hole (Part 10-10) in the overtravel lev-
er to suit the operating and climatic
conditions under which the car is to
be operated. Press the ends of the re-
tainer together: then, at the same time,
insert the operating rod through the
retainer and the hole in the over-travel
lever. Release the ends of the retainer
to secure the rod.
10.
Invert the main body. lnstall
the power valve (economizer valve)
and new gasket with a wrench (Fig.
18). Tighten the valve securely.
11. Install the idle mixture adjust-
ing screws (needles) and springs (Fig.
18). Turn the needles in gently with
the fingers until they just touch the
seat, then back them off the specified
(Part 10-10) turns for a preliminary
idle fuel mixture adjustment. lnstall
the power valve cover and new gasket.
12. Install the main jets and the
fuel inlet seat, filter screen, and new
gasket, using a jet wrench (Figs. 14
and 15). Be sure the correct jets are
installed.
13. lnstall the fuel inlet needle as-
sembly in the fuel inlet seat. The fuel
inlet needle and seat are matched as-
semblies. Be sure the correct needle
and seat are assembled together.
14. Slide the float shaft into the float
lever (Fig. 12). Position the float shaft
retainer on the float shaft.
15. Insert the float assembly into
the fuel bowl and hook the float lever
tab under the fuel inlet needle assem-
bly. Insert the float shaft into its guides
a t the sides of the fuel bowl.
16. With the use of a screwdriver,
position the float shaft retainer in the
groove on the fuel inlet needle seat
(Fig. 13). Refer to Part 10-1, Section
2 and check the float setting.
17. Drop the accelerating pump
discharge ball into its passage in the
main body. Seat the ball with a brass
drift and a light hammer. Make sure
the ball is free in the bore. Drop the
accelerating pump discharge weight
on top of the ball. Position the new
booster venture gasket and the boos-
ter venturi in the main body. Install the
air distribution plate (if so equipped)
and the accelerator pump discharge
screw (Fig. 16). Tighten the screw.
VACUUM PISTON CHOKE
1.
I f the choke piston and link was
disassembled install the choke piston
on the choke thermostatic spring lever
link and install the retaining pin (Fig.
21).
2. Position the fast idle cam lever
on t h e thermostatic choke shaft and
lever assembly (Fig. 21). The bottom
of the fast idle cam lever adjusting
screw must rest against the tang on
the choke lever. insert the choke lever
into the rear of the choke housing.
Position the choke lever so that the
hole in the lever is to the left side of
the choke housing.
3. Insert the choke piston into
the choke housing, and install the
choke piston lever on the flange of
the choke lever. lnstall the choke pis-
ton lever to choke lever retaining
screw and washer (Fig. I I).
4. lnstall the fast idle cam rod on
the fast idle cam lever. Place the fast
idle cam on the fast idle cam rod and
install the retainer. Place the choke
housing vacuum pick-up port to main
body gasket on the choke housing
flange. Position the choke housing on
the main body and at the same time,
install the fast idle cam on the hub on
the main body. Position the gasket.
and install the choke housing retain-
ing screws. lnstall the fast idle cam
retainer. The thermostaticspring hous-
ing is installed after the choke plate
clearance (pull-down) has been adjust-
ed to specification.
AIR H O R N
Refer to Fig. 9 for the correct loca-
tion of the parts.
1. I f the choke plate shaft was re-
moved, position the choke plate shaft
in the air horn. Place the choke plate
rod seal between the two brass wash-
ers and slide them into position on the
choke plate rod seal retainer.
Insert the choke plate rod through
the rod seal and the air horn. Insert
the choke plate rod into the choke
shaft lever clevis nut, and turn the nut
clockwise to thread the rod onto the
nut.
2. I f the choke plate was removed,
insert the choke plate into the choke
plate shaft. Install the choke plate
screws snug, but not tight. Check for
proper plate fit. binding in the air horn
and free rotation of the shaft by mov-
ing the plate from the closed position
to the open position. If necessary, re-
move the choke plate and grind or
file the plate edge where it is binding
or scraping on the air horn wall. I f
the choke plate and shaft moves free-
ly, tighten the choke plate screws
while holding the choke in the fully
closed position. Stake the screws.
When staking the screws, support
shaft and plate on a block of wood or
a metal bar to prevent bending of the
shaft.
ADJUSTING SCREW
FAST IDLE CAM L E V E R
FAST IDLE CAM ROD
CHOKE HOUSING
PISTON PIN AND LINK
THERMOSTATIC SPRING HOUSING COVER
82608-A
FIG. 27
-Choke Housing Assembly