Kohler K91 Service Manual page 34

Install Choke S haft Bushings
1 . Install screws in the tapped holes that enter
the choke shaft bores u ntil the screws bottom
lightly. Refer to Figure 6- 1 0 .
2 . Coat the outside surface of the kit-supplied
choke shaft bushings with Loctite from the kit .
Carefully press the bushings into the carbure­
tor body using a smooth-jawed vise . Stop
pressing when bushings bottom against
screws .
Models K9 1 - K1 8 1 ( 1 /2 " Carb . ) ; Make sure the
bushing is pressed below the surface of the large
choke shaft boss u ntil the bushing bottoms against
screw.
3 . Allow Loctite to " set " for 5 to 1 0 minutes ,
then remove screws .
Figure Installing Choke Shaft Bushings.
6-1 0.
4 . Install new choke shaft in bushings . Rotate
shaft and check that it does not bind .
NOTE : If binding occurs , locate and correct the
cause before proceeding . Use choke shaft to align
bushings if necessary .
5 . Remove choke shaft and allow Loctite to " set "
for an additional 30 minutes before proceed­
ing .
6 . Wipe away any excess Loctite from bushings
and choke shaft .
Install Throttle S h aft Bushing
1 . Make sure the dust seal counterbore in the
carburetor body is thoroughly clean and free of
chips and burrs .
6 . 8
2 .
Install a throttle shaft (without throttle lever) in
carburetor body to use as a pilot :
Models K9 1 - K 1 8 1 ( 1 /2 " Carb . ) ; Use the old
throttle shaft removed previously .
Models K14 1 - K34 1 (1 " Carb . ) ; Use one of the
remaining new throttle shafts from the kit .
3 . Coat the outside surface of the throttle shaft
bushing with Loctite from the kit . Slip the
bushing over the shaft . Using a vise and the
installation tool from the kit , press the bushing
into the counterbore until it bottoms in the car­
buretor body. Refer to Figure 6- 1 1 .
Fig ure Installing Throttle Shaft Bushing.
6 - 1 1 .
4 . Allow the Loctite to " set " for 5 to 1 0 minutes ,
then remove the throttle shaft .
I nstall the new throttle shaft and lever i n carbu­
5 .
retor body . Rotate the shaft and check that it
does not bind.
NOTE : If binding occurs , locate the cause and correct
before proceeding . Use throttle shaft to align bushing
if necessary.
6 . Remove the shaft and allow the Loctite to
" set " for an additional 30 minutes before pro-
ceeding .
Wipe away all excess Loctite from bushing and
7 .
throttle shaft .
I nstall Detent S pring and Ball, Choke
S haft and Choke Plate
1 . Install new detent spring and ball in carburetor
body in the side opposite the choke lever.
2 . Compress detent ball and spring and insert
choke shaft through bushings . Make sure the
choke lever is on the correct side of the car­
bu retor body. Refer to Figure 6-1 2 .
.