Kohler COMMAND PRO CS10, Service Manual

Page: 40 / 154

5.6
Section 5
Fuel System and Governor
Carburetor Service
If symptoms described in the carburetor
troubleshooting guide indicate a problem within the
carburetor, the following steps can be used to remove
the carburetor from the engine and provide the
necessary service.
1. Remove the air cleaner cover, wing nut, filter
element with precleaner, the air cleaner base
mounting screws and hex. flange nuts from the
mounting bracket(s) and main mounting studs.
2. Disconnect the breather hose from the valve
cover or air cleaner base, and remove the base
from the engine.
3. Disconnect the fuel line from the carburetor inlet.
4. Disconnect the choke link and spring at the
carburetor end (CS8.5-12 only).
5. Slide the carburetor off of the mounting studs
while disconnecting the throttle link and
dampening spring.
6. Clean all dirt and debris from exterior of
carburetor.
7. Remove the screw from the bottom center of
carburetor bowl. Carefully separate the bowl from
the main body and remove the bowl gasket from
the body.
8. Place the carburetor in an inverted position. Lift
up the float so that the tip of the float valve lightly
contacts the float arm. See Figure 5-4. Measure
the float height from the casting surface as
illustrated in Figure 5-5. Float height for the CS4
and CS6 is 16 mm (0.63 in.). Float height for the
CS8.5, CS10, and CS12 is 14.9 mm (0.59 in.).
Install a float kit if the float height is incorrect.
Float Kit Contains:
Figure 5-4. Float Height Position.
Figure 5-5. Measuring Float Height.
CAUTION
Do not bend the float in an attempt to reset the height.
The correct float height is determined by the design of
the inlet needle and float. There is no provision for
physical adjustment.
9. Check to see if the fuel inlet needle or seat is
dirty, obstructed or worn.
a. Remove the main jet from the side of the
tower.
b. Grab the exposed end of the float pin with a
needle nose pliers and pull it out.
c. Lift out the float and inlet needle. Slide the
inlet needle and clip off of the float tab.
Float
Gasket, bowl
Gasket, bowl screw
Pin, float
Gasket, intake
Gasket, air cleaner base
Qty
Description
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