Service Manual

GAS POWER SHOVEL
9 - 12 Single Stage Snowthrower Service Manual
4. Remove the high speed needle. lnspect the tip of
the needle and replace it if it is blunt or damaged
(Figure 207).
Figure 207 0406-024
5. Remove the metering lever pin screw and the inlet
needle valve, metering spring, metering lever, and
metering lever pin (Figure 208).
Figure 208 0406-025
6. Remove the fuel inlet screen (Figure 209).
Figure 209 0406-026
7. Scrape all excess diaphragm and gasket material
away from the pump cover, the metering
diaphragm cover, and the carburetor body with a
putty knife or wooden dowel. Be careful not to
scratch the metal surfaces while cleaning them.
8. Blow through all the holes in the carburetor
casting to ensure that no obstructions exist.
9. Soak all metal carburetor parts in a high quality
carburetor solvent. Note: Do not soak rubber
components or gaskets in the carburetor solvent.
CARBURETOR ASSEMBLY
After old carburetor diaphragms and gaskets are
removed from the carburetor, they should be replaced
with new diaphragms and gaskets. Check the parts
catalog for part numbers.