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DISASSEMBLY, REASSEMBLY, INSPECTION, AND MAINTENANCE 3-3
Carburetor
An optimal fuel level is prescribed at the time the carburetor is
designed. Along with the fluctuations in the fuel level, the float moves
up and down in order to open and close the float valve. The flow of fuel
into the float chamber is enabled or stopped in this manner in order to
maintain the fuel level at the prescribed level.
CAUTION
The fuel level of the carburetor of the FE series engines cannot
be adjusted. Replace the float if it is defective.
The air pressure in the float chamber is constantly maintained at
atmospheric pressure via the air vent.
A: Float
B: Float Valve
C: Air Vent
D: Float Chamber
Disassembly, Cleaning, and Reassembly Precautions
•
Here are the instructions for removing and reinstalling the link rod
and the linkage spring that connect the carburetor to the governor
arm: With the carburetor mounted on the engine, insert a flat-blade
screwdriver between the throttle lever at the carburetor and the link
rod, and gently twist the screwdriver to pry up on the link rod, thus
removing the link rod from the hole in the throttle lever. To reinstall
the link rod, use your fingers to press the link rod into the hole. Use
a pair of pliers or a flat-blade screwdriver to remove and reinstall the
linkage spring.
•
During disassembly, carefully note the orientation (top, bottom, right,
left, etc.) of the gaskets so that they can be replaced correctly during
reassembly. All gaskets must be replaced with new ones.
•
Use a solvent with a high flash point to wash the carburetor and make
sure to prevent contamination by foreign matter.
CAUTION
Gasoline is extremely dangerous due to its high volatility. Han-
dle it away from sparks or fire and ensure proper ventilation.
NOTE
Do not use a solvent with rubber or plastic parts.
•
Spray carburetor cleaner into the internal holes in the carburetor to
ensure their opening. Then, wash the carburetor in hot water, allow
it to dry naturally, and blow clean compressed air through the holes
if necessary.