Kohler Comand Pro CH1000, Service Manual

Page: 42 / 142

5.12
Section 5
Fuel System and Governor
15. The correct fl oat height se tt ing is 17 mm
(0.669 in.) ± 1.5 mm (0.059 in.) , measured from
the fl oat bo tt om to the body of the carburetor.
See Figure 5-27. Replace the fl oat if the height is
di ff erent than speci fi ed. Do not a tt empt to adjust
by bending the fl oat tab.
NOTE: Be sure to measure from the casting surface,
not the rubber gasket, if still a tt ached.
Figure 5-27. Checking Float Height.
16. When the proper fl oat height is obtained,
carefully reinstall the fuel bowl, using new
O-rings onto the carburetor. Secure with the
four original screws. Torque the screws to
2.5 ± 0.3 N·m (22 ± 3 in. lb.) . See Figure 5-28.
Figure 5-28. Installing Fuel Bowl.
Choke Repair
1. Remove the carburetor from the engine. Discard
the old mounting gaskets for the air cleaner and
carburetor.
2. Clean the areas around the choke sha ft and the
self-relieving choke mechanism thoroughly.
12. A tt ach the inlet needle to the plastic tang of
the fl oat with the wire clip. The formed 90° lip
should point up, with the needle valve hanging
down. See Figure 5-25.
Inlet Needle
Float
Clip
Figure 5-25. Float and Inlet Needle Details.
13. Install the fl oat and inlet needle down into the
seat and carburetor body. Install the new pivot
pin through the
fl oat hinge and secure with the
new retaining screw. See Figure 5-26.
Figure 5-26. Installing Float Assembly.
14. Hold the carburetor body so the fl oat assembly
hangs vertically and rests lightly against the
fuel inlet needle. The inlet needle should be
fully seated but the center pin of the needle (on
retainer clip end) should not be depressed. Check
the
fl oat height adjustment.
NOTE: The inlet needle center pin is spring loaded.
Make sure the fl oat rests against the fuel inlet
needle without depressing the center pin.