Kohler K91 Service Manual page 102

Center Compression Ring
Top Compression Ring
Figu re 1 0-7. Removin g Piston Rings.
REMOVE CRANKSHAFT AND BEARING
PLATE
1 .
Remove the hex cap sems screws securing
the bearing plate to crankcase .
2 . Remove the bearing plate from the crankshaft
using a pulle r . Refer to Figure 1 0-8 .
NOTE : The front bearing may remain either in the
bearing plate or on the crankshaft when the bear­
i ng plate is removed .
3 . Press the crankshaft out of the crankcase from
the PTO side . It may be necessary to press
crankshaft out of cylinder block. Bearing plate
should be removed first if this is done .
OU Control Ring
Figure 1 0-8. Removal Of Bearing Plate With P u ller.
NOT E : If the repair does not require separating the
bearing plate from crankshaft . the crankshaft and
bearing plate can be pressed out as a n assembly.
REMOVE CAMS HAFT AND TAPPETS
1 . Drive the camshaft pin (and cup plug on bear­
ing side plate) out of the crankcase from the
PTO side .
2 . Remove the camshaft pin . camshaft. and
shim (s) on bearing plate side of camshaft .
Refer to Figure 1 0-9.
Figure 1 0-9. Removin g Camshaft.
3 . Mark the tappets a s being either intake o r ex­
haust . Remove the tappets from the crank­
case . Refer to Figure 1 0- 1 0 .
1 0. 5