Kohler HD Series Service Manual page 51

Crankcase Components
A Crankcase Oil Seal
E Piston Pin Retainer
I Connecting Rod
M Governor Shaft
Q Oil Pan
Remove Oil Pan
1. Remove screws securing oil pan.
2. Using a fl at blade screwdriver as a wedge, carefully separate oil pan from crankcase.
Inspection
Inspect oil seal in oil pan and remove it if it is worn or damaged.
Remove Camshaft
Remove camshaft from crankcase.
Inspection and Service
Inspect gear teeth of camshaft. If teeth are badly worn or chipped, or if some are missing, replacement of camshaft
will be necessary. If unusual wear or damage is evident on either camshaft lobes or mating tappets camshaft and both
tappets must be replaced. Check condition and operation of Automatic Compression Release (ACR) mechanism.
14 690 10 Rev. --
E
I
H
B Crankcase
F Piston Pin
Connecting Rod
J
End Cap
N Governor Gear
R Oil Pan Oil Seal
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Disassembly/Inspection and Service
A
C
D
F
G
K
J
N
L
S
M
R
Governor Cross
C
Shaft
G Piston
K Crankshaft
O Governor Washer
Dipstick Assembly
S
(if equipped)
B
P
O
Q
D Camshaft
H Piston Ring Set
L Retainer
P Governor Cup
51