Kohler K91 Service Manual page 44

CAUTION : If the detent ball does not drop through the
tapped air cleaner base screw hole by its
own weight , do not force it. Forcing the
ball could permanently lodge it in the hole .
Install the ball through the choke shaft
bore instead .
2 . Compress the detent ball and spring . I nsert
the choke lever/shaft assembly i nto carburetor
body with the cutout portion of shaft facing the
air cleaner m ounting surface (refer to Figure
6-28) . Make sure the choke l ever is on the
correct side of carburetor body .
Figure 6-28. Installing Choke Lever/Shaft.
3 . Install the choke plate t o choke shaft . Make
sure the plate is positioned properly in bore as
marked and n oted during d isassembly. (The
numbers stamp e d on plate should face the air
cleaner mounting surface and be upright . ) Ap­
ply Loctite® #609 to threads of 2 plate retain­
ing screws . Install the screws so they are
slightly loose .
4 . Operate the choke lever; check for binding
between the choke plate and carburetor bore .
Adjust plate as necessary; then torque screws
8 / 1 2 in. lb.
to
Carburetor Reassembly
1 . If the welch plugs have been removed for
cleaning , new welch p l ugs m ust be installed .
Use tool No. K01 0 1 7 and the following proce­
dure to i nstall the welch plugs .
A . Position t h e carburetor body securely with the
welch plug cavities to the top .
B .
Place a new welch plug into the cavity with the
raised portion up. Use the end of the tool that
is about the same size as plug and
plu g . Do not force the plug below the top sur­
face . Refer to Figure 6-29 .
6 . 1 8
Compress B a l l C. After welch plugs are installed , seal the ex­
A n d Spring
NOTE : If a commercial sealant is not available .
fingernail polish can be used .
2 .
3 .
4 .
Bend the f loat tab with a small screw driver to ad­
just .
5 .
flatten
the 6.
Carburetor Body
Figure 6-29. Installing Welch Plugs.
posed surface with glyptal (or an equivalent
sealant) . Allow the sealant to dry.
I nstall the main fuel jet .
Install fuel i nlet needle into i nlet seat . Install
float and slide f loat pin through float hinge and
float h inge towers on carburetor body.
Set Float Level:
I nvert the carburetor s o the
float tab rests on the fuel inlet needle. The
exposed surface of float should be
with the bowl gasket surface of the carburetor
body (exposed , free end of float . 690 " /
from bowl gasket surface) . Refer to Figure
6-30.
Bend Tab
To Adjust
I
I
)
)I
Parallel
Figure 6-30 . Setting Float Level.
Install a new bowl gasket and the fuel bowl .
Make sure the bowl gasket and bowl are cen­
tered and positioned properly to ensure a
good seal .
I nstall a new bowl retai ning screw gasket and
the bowl retaining screw. Torque screw to
45/55 in. lb.
Plug
para llel
.
720"