REBUILDING
THE
CARBURETOR
7. Shake the float.
If
you
hear any sand like particles
moving inside, replace the float.
8. Use a lOmm wrench and remove the needle valve seat.
Make certain the seats aluminum gasket is also removed
9.
Screw in a new seat and gasket.
10. Replace the main body gasket.
Do
not use any gasket
sealer on the main body gasket.
11.
Gently place the needle valve in the needle valve seat.
Re-install the float and the float retaining pin so that the
needle valves wire retaining loop hooks onto the floats
retaining hook.
12. Check the float level distance from the housing mating
surface with the housing held vertically.
DISTANCE
FROM
THE
MAmNG
SURFACE
3/16
in
(4.76mm)
NEEDLE
VALVE
SEAT
FLOAT
RETAINING
HOOK
WIRE
,RETAINING
LOOP
FLOAT
.3/16
IN
[(4.76mm]
13. On the carburetor base, remove the retaining screw to the
accelerator pump nozzle, the
~ozzle,
and the two copper
washers that fit above and below the nozzle.
14. Replace the two copper washers and reinstall the
acceler-
ator pump nozzle. Snug down the nozzles retaining
screw.
Do not overtighten the screw.
NOTE:
With
the
carburetor
disassembly,
clean
and inspect
all
the
components,
replace
any damaged or worn
parts.
15. Place the carburetor top cover straight down on the car-
buretor base. Replace the four washers with new ones
and hand tighten the four cover screws in the order
shown.
Do
not
overtighten.
16. Re-assemble the electric choke to the carburetor and
replace the two choke assembly retaining screws and
their washers. Re-attach the electric choke control lever
and insert the cotter pin.
COPPER
WA:iHtll~
§i"'i""C~IVI'R
SCREW
REPLACE
THE
FOUR
Vl'Jt.)ncn.)-_..u~
CARBURETOR
TOP
COVER
CARBURETOR
""'
.......
,..,
BASE
18. Replace the idle mixture screw's O-ring, the rotary
throttle shaft valve and the shaft valve spring.
19. Remove the fuel filter plug and replace the fuel filter
FUEL
PLUG
element.
IDLE
MIXTURE
SCREW
#.1'_-
FUEL
SHUT-OFF
SOLENOID
20. Make certain all the carburetor screws are properly
tightened. Fasten the assembled carburetor on the intake
manifold using new gaskets (use sealant). Replace the
two nuts and washers and tighten the carburetor to the
manifold.
CARBURETOR
TO
MANIFOLD
TORQUE
12
-14
ft-Ibs
(16
-
23
Nm)
Engines & Generators
40
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