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5.15
Section 5
Fuel System and Governor
5
Figure 5-19. Main Jet and Slow Jet Removed.
4. Remove the two screws securing the top cover,
gasket, and ground lead (fuel solenoid-equipped
models). Discard the gasket and screws only.
5. Remove the idle speed and idle fuel adjusting
screws and springs from the carburetor. Discard
the parts.
2. Remove the float pin screw and lift out the old
float, pin, and inlet needle. See Figure 5-18.
Discard all of the parts. The seat for the inlet
needle is not serviceable, and should not be
removed.
Figure 5-18. Removing Float and Inlet Needle.
3. Remove and discard the round plug from the
bottom of the slow jet tower of the carburetor
body. Use an appropriate size flat screwdriver,
and carefully remove the slow and main jets from
the carburetor. After the main jet has been
removed, the main nozzle can be taken out
through the bottom of the main tower. Save the
parts for cleaning and reuse. See Figure 5-19.
NOTE: The carburetor is now disassembled for
appropriate cleaning and installation of
the parts in the overhaul kit. Further
disassembly is not necessary. The
throttle shaft assembly, fuel inlet seat,
and bowl chamber baffle, are non-
serviceable items and should not be
removed. The choke shaft assembly is
serviceable, however it should not be
removed unless a Choke Repair Kit
24 757 36-S will be installed.
6. Clean the carburetor body, jets, vent ports, seats,
etc., using a good commercially available
carburetor solvent. Use clean, dry compressed air
to blow out the internal channels and ports.
Inspect and thoroughly check the carburetor for
cracks, wear, or damage. Inspect the fuel inlet seat
for wear or damage. Check the spring loaded
choke plate to make sure it moves freely on the
shaft.
7. Clean the carburetor float bowl as required. If it
has an accelerator pump that is not being serviced
at this time, prevent the cleaning solvent from
contacting the check valve and accelerator pump
components.
8. Install the main nozzle and the main jet into the
tower of the carburetor body. See Figure 5-20.
Figure 5-20. Installing Main Nozzle and Main Jet.
9. Install the slow jet and new plug into end of slow
jet tube. See Figures 5-21 and 5-22.