Kohler K91 Service Manual page 127

INSTALL FUEL LIN E AND WIRING
HARNESS
1 . Position the fuel line and wiring harness (if so
equipped) to crankcase .
2 .
Adjust the fuel line and wiring harness to their
final positions just before securing the bearing
plate to the crankcase .
INSTALL B EARING PLATE
1 . The installation of bearing plate and gaskets
can be made considerably easier with the use
of two simple , easy to make alignment guides .
Using 2-1 /2 " long bolts with the hexagon
heads removed and screwdriver slots cut in
the stem , screw the two headless bolts into
the cylinder block diagonally from each other.
Bolt thread sizes are 1 /4-20 U . N . C . for
K9 1 -K1 8 1 ; 3/8- 1 6 U . N . C . for K24 1 -K36 1 .
2 . Lubricate the bearing surface of crankshaft
and bearing . Install the gasket , two or three
. 005 " shims (as required) * , and bearing plate
over studs .
* NOTE : Crankshaft end play is determined by the
thickness of the gasket and shims between crank-
ENGINE
MAGNETO
MODEL
ROTOR
K9 1 1 /3 2 "
K1 4 1 - -
- -
K1 6 1 1 /3 2 "
K 1 8 1 1 /3 2 "
K241 - - - -
---
K241 A -
K301 - - - -
K30 1 A - -
- -
K32 1 -- -
-
K341 - - -
-
* With sleeve bearing-drive seal in until it bottoms against shoulder.
REAR O I L SEAL DEPTH: 1 /3 2 "
from crankcase face at PTO end .
Fig u re 1 2-3 2 . Measuring Crankshaft End Play.
1 2 . 1 0
FRONT OIL SEAL LOCATION
FLYWH E E L
3 A M P
MAGNETO ALTERNATOR
--
1 /32 " - -
1 /32 " * Full In
1 /32 " -
-- -
*
1 /32 " 1 /32 "
1 /2 " 1 /2 "
---
. 52 " -
1 /2 " 1 /2 "
. 52 " . 52 "
1 /2 " 1 /2 "
-- -- -
---
for K9 1 through K1 8 1 ,
case and bearing plate . Check the end play after
the bearing plate is installed .
3 . Install two hex cap sems screws and hand
tighten . Remove the locating studs , and install
the remaining two hex cap sems screws and
hand tighte n .
Tighten t h e screws evenly, d rawing bearing plate
4 .
to crankcase . Torque
Torque K241 -K341
5 . Check crankshaft end play between the inner
bearing race and shoulder of crankshaft using
a flat feeler gauge . Refer to Figure 1 2-32 .
Recommended total end play is:
K9 1
K1 6 1 , K1 8 1
K�41 , K30 1 , K32 1 , K34 1
If measured end play is not within limits , remove
the bearing plate and , remove or install shims as
necessary.
NOTE : Crankshaft end play is especially critical on
gear reduction engines .
1 0 A M P BREAKERLESS
ALTERNATOR
- -- -
1 /32 "
1 /32 "
1 /32 "
1 /2 "
1 /2 "
1 /2 "
1 /2 "
1 /2 "
----
1 /8" for K24 1 through K34 1 . Depth measured in
Figure 1 2-33 . I n stalling Oil Seals Using Sleeves.
K 9 1 -K1 8 1 to 1 1 5 i n . lb.
to 3 5 ft. lb.
. 004" / . 023"
. 002" / . 023"
. 003" / . 0 20"
BATTERY
- --
- 1 /3 2 "
---
- Fuil in
- - - - 1 /32 "
. 486 " 1 /32 "
. 73 " 1 /2 "
. 52 " . 1 2 "
. 73 " 1 / 2 "
. 5 2 " . 1 2 "
. 73 " 1 /2 "
- - - - 1 /2 "