Table 5-3. Direct and General Support Maintenance Troubleshooting (Continued)
TEST OR INSPECTION
ENGINE OPERATES ERRATICALLY (Continued)
DO NOT use hard metal objects or tools to clean the inlet port. Use
something soft like a toothpick and flush the port with alcohol or acetone.
Unplug the inlet port if necessary.
If the choke is worn or damaged, replace the whole carburetor and go to Step 8b.
Unplug the inlet port if necessary and go to Step 8e.
Assemble the carburetor.
Figure 5-164. Carburetor Float Adjustment
Install the seat needle float and pin.
Set the float level. Turn the carburetor upside down and let the float rest on the needle. The
clearance between the machined surface of the carburetor and the free end of the float should
be 0.17 inches 0.03 inches (4.37 mm 0.76 mm).
Adjust the clearance by bending the float tab with a screwdriver if necessary.
Install a new baffle gasket, a new bowl gasket, the fuel bowl and a bowl screw. Make sure the
bowl gasket seats well.