Kohler RH255 Service Manual page 45

Crankcase Components
A
S
R
A
B
A Closure Plate Oil Seal
E End Cap
I Piston Pin
M Governor Washer
Q Crankcase Oil Seal
NOTE: Make sure engine is assembled using all
specifi ed torque values, tightening sequences,
and clearances. Failure to observe specifi cations
could cause severe engine wear or damage.
Always use new gaskets.
Install Crankcase and Closure Plate Oil Seals
NOTE: In steps 2 and 3, position oil seals with
manufacturer's identifi cation marks visible and
facing you.
1. Make sure there are no nicks, burrs, or damage in
bores for oil seals. Crankcase and closure plate
must be clean.
18 690 06 Rev. --
T
D
C
B Closure Plate
F Connecting Rod
J Piston Ring Set
N Governor Shaft
R Dowel Pin
KohlerEngines.com
P
O
N
M
L
K
I
H
E
G
F
C Camshaft
G Piston Pin Retainer
K Tappet
O Governor Gear
S Oil Seal Depth
2. Using an appropriate seal driver, install oil seal into
closure plate to a depth of 3.52 mm (0.139 in.) from
outer surface.
3. Using an appropriate seal driver, install oil seal into
crankcase to a depth of 1.5-2.0 mm (0.59-0.079 in.)
from outer surface.
4. Apply a light coating of lithium grease to seal lips
after installing.
Reassembly
Q
J
D Crankshaft
H Piston
L Governor Cup
P Governor Cross Shaft
T Outer Surface
45