Kohler K91 Service Manual page 117

Installation
1 . Wrap piece of tape or roll paper around crank­
shaft gear to protect the oil seal , slide housing
over the shaft and attach to the block. Two
lock washers are used on the outside of hous­
ing and copper washers inside.
2. Tape or paper should be wrapped around the
shaft to prevent the keyway from damaging
1 1 . 1 4
the cover oil seal . Install the gasket(s) and
reduction gear cover and tighten cap screws .
Adjust shaft end clearance t o . 00 1 / . 006 inches
3 .
by varying the total gasket thickness, adding
or removing gaskets as required .
4 .
Remove oil fill plug and o i l level plug . fill unit
to the oil level hole . Use the same grade of oil
as used in the engine.