EMISSION CONTROLS AND FUEL SYSTEM 151
1. Bowl cover
2. Metering rod arm
3. Vent arm
4. Pump operating arm
and link
5. Pump countershaft
assembly
6. Choke shaft lever
7. Vent arm screw
8. Metering rod discs
9. Metering rods
10. Dust cover gasket
11. Dust cover
12. Choke valve
WCFB bowl cover upper parts
13. Choke valve screw
14. Inlet fitting nut
15. Filter gaskets
16. Filter
17. Filter spring
18. Choke valve shaft
choke valve and position a 0.026 in. wire
gauge between the bottom of the slot in the
piston and the top of the slot in the choke
piston housing. Seat the choke piston on the
gauge. The measurement between the top of
the choke valve and the air horn divider
should be 0.096 in. Adjustment is made by
bending the intermediate choke rod.
FLOAT ADJUSTMENT
To make the float adjustment, remove the top
cover then disassemble and reassemble the
floats without the cover gasket. Make the lat-
eral adjustment by placing the % in. float
gauge (supplied in the carburetor overhaul kit)
under the center of the secondary float so that
16
f t M 1
/ I 13 '* "
1. Carburetor body
2. Float hinge pins
3. Secondary float
4. Bowl cover gasket
5. Secondary float needle
6. Secondary float needle seat
7. Needle seat gasket
8. Bowl cover
9. Vacuum piston link
10. Bowl cover attaching
screw
11. Needle seat gasket
12. Primary float needle seat
13. Primary float needle
WCFB lower bowl cover parts
