Air H Orn; Float Bowl - Chevrolet 1973 Overhaul Manual

6 M - 1 6 CARBURETORS
Fig. V l-R o ch e s te r 2GV-2BBL. (1 1 /2 " ) C arburetor
diaphragm assembly by removing two retaining
screws.
4. Place carburetor on a proper holding fixture being
careful not to damage the throttle valve or
components. Then remove the fuel inlet filter nut,
filter, spring, and filter nut gasket.
1. Pum p Rod
2. Pump O uter Lever
3. A c c e le ra to r Pum p
4. W a sh e r
5. Pump In n er Lever
6. Pump In n er Lever
R etainer
7. Pow er Piston
8 A ir H o rn-to -B o w l
G asket
9. C hoke Valve
10. C hoke Rod
11. Choke S h a ft
12. Choke K ick Lever
Fig. V 2 -A ir Horn Disassembled
NOTE: The paper fuel inlet filter has its own
sealing gasket so there is no extra gasket
required between the filter element and fuel
inlet nut.
5. Remove pump rod retaining clip from throttle lever
end of rod, and remove rod from throttle lever,
depress pump and rotate the pump rod out of upper
pump lever.
6. Using a wide bladed screwdriver, remove the fast
idle cam attaching screw— rotate cam and remove
cam from rod.
7. Place choke valve in wide open position, rotate
choke rod towards pump lever and remove the
choke rod from upper choke lever on choke shaft.
8. Remove air horn to bowl attaching screws and
choke cable bracket on 2G models. Tap air horn
lightly to loosen from bowl and lift air horn from

float bowl.

9. Place air horn top-down on a flat surface and
remove float hinge pin, float, air horn gasket, splash
shield and float needle.
10. Using a wide bladed screwdriver, remove the float
needle seat and gasket.
11. Remove power piston by depressing shaft and
13. A ir Horn
14. V a cu u m D ia p h ra g m
15. C hoke Lever
16. D ia p h ra g m Link
17. Fuel In le t N ut
18. G asket
19. Fuel F ilte r
20 F ilte r S p rin g
.
21 F lo a t N eedle and
.
Seat
F lo a t H inge Pin
2 2
.
S p la sh S h ie ld
23.
24. F lo a t
OVERHAUL MANUAL