Kohler K91 Service Manual page 103

Fig u r e 1 0- 1 0. Removing Tappets.
NOTE : The intake valve tappet is closest to the
bearing plate side of crankcase . The exhaust valve
tappet is closest to the PTa side of crankcase .
REMOVE BALANCE G EARS
1 . Remove the retaining rings , shims , balance
gears with needle bearings , shims , and spac­
ers . Refer to Figure 1 0- 1 1 .
NOTE : Extreme care m ust be taken when handling
the new needle bearings or when removing bal­
ance gears containing the new bearings . The
needles are no longer caged and will drop out . If
this should occur, the bearing case should be
greased and the need les reset . There are 27 indi­
vidual needles in each bearing .
Figure 1 0-1 1 . Removing Balance Gears.
REMOVE GOVERNOR G EAR AND CROSS
SHAFT
1 . Remove the stop pin , copper washer, gover­
nor gear, and thrust washer. Refer to Figures
1 0- 1 2 and 1 0- 1 3 .
1 0. 6
Co.pper Washer
Figure 1 0-1 2. Removing Cross Shaft And
Stop Pin.
Figure 1 0-1 3 . Removi n g Governor Gear.
2 . Remove bushing nut and sleeve . Remove
cross shaft from inside crankcase .
REMOVE OIL S EALS
1 . Remove the oil seals from the crankcase and
bearing plate .
REMOVE BEARINGS
1 . Press the bearings out of the bearing plate
and crankcase .
NOTE: If the bearings have remained on the crank­
shaft , remove bearing by using a puller.