Kohler K91 Service Manual page 35

3 . Attach c hoke plate t o choke shaft. Make sure
marks are aligned and plate is positioned prop­
erly in the bore . Apply Loctite to threads of 2
#3-48 x 7/3 2 " brass screws . Install screws so
that they are slightly loose.
4 . Operate the choke lever. Check that there is
no binding between choke plate and carburetor
bore. Loosen screws and adjust plate as nec­
essary: then tighten screws .
Figure 6-1 2 . Installing Choke Shaft.
I nstall Throttle S haft a nd Throttle Plate
1 . Install t hrottle shaft i n carburetor with cutout
portion of the shaft facing out .
2 . Attach t hrottle plate t o throttle shaft. Make
sure marks are aligned and plate is positioned
properly in the bore. Apply Loctite to threads
of 2 #3-48 x 7/32 " brass screws . Install
screws so that they are slightly loose.
3 . Apply finger pressure to throttle shaft to keep
it firmly seated against pivot in carburetor
body. Rotate the throttle shaft until the throttle
plate fully closes the bore around its perime­
ter: then tighten screws.
4 . Operate t h e throttle lever and check that the
throttle plate does not bind i n the bore .
Loosen screws and adjust plate if necessary;
then tighten screws securely.
Reassemble Carburetor
Refer to the following " Reassembly " portion of this
section .
R eassembly
1 . Install the fuel inlet seat gasket and fuel inlet
seat into carburetor body. Torque seat to
35/45 in. l b .
2 . Install the fuel inlet needle into i nlet seat . In­
stall float and slide float pin through float hinge
and float hinge towers on carburetor body.
Set float level:
3 . Invert carburetor so the float
tab rests on the fuel inlet needle . There should
1 1 /64" (+- 1 /3 2 " )
be
machined surface of body and the free end of
float . Bend the float tab with a small screw­
driver to adjust . Refer to Figure 6-1 3 .
Bend Tab
To Adjust
I nverted Carburetor
Figure 6-1 3 . Setting Float Level.
Set float drop:
4 . Turn the carburetor over t o its
normal operating position a nd allow float to
drop to its lowest leve l . The float drop should
1 -1 /32"
be limited to
surface of body and the bottom of the free
end of float . Bend the float tab with a small
screwdriver to adj ust . Refer to Figure 6-1 4 .
Figure 6-1 4. Setting Float Drop.
clearance between the
between the machined
Bend Tab
6.9