63
Disassembly/Inspection and Service
32 690 03 Rev. E KohlerEngines.com
Remove Debris Screen, Fan, and Flywheel
NOTE: Always use a ywheel strap wrench or ywheel
holding tool (see Tools and Aids) to hold ywheel
when loosening or tightening ywheel and fan
retaining fasteners. Do not use any type of bar
or wedge between ns of cooling fan, as ns
could become cracked or damaged.
NOTE: Always use a puller to remove ywheel from
crankshaft. Do not strike crankshaft or ywheel,
as these parts could become cracked or
damaged. Striking puller or crankshaft can
cause crank gear to move, affecting crankshaft
endplay.
1. Unsnap debris screen from cooling fan.
2. Remove retaining screw, washer, and fan mounting
plate, securing fan and ywheel to crankshaft.
3. Lift cooling fan to disengage 2 drive pins and remove
it from ywheel. Two plastic retainers may remain in
fan.
4. Remove ywheel from crankshaft by pulling from
under ring gear with large gear puller.
5. Remove ywheel key from crankshaft.
Flywheel Inspection
Inspect ywheel for cracks, and ywheel keyway for
damage. Replace ywheel if it is cracked. Replace
ywheel, crankshaft, and key if ywheel key is sheared
or keyway is damaged.
Inspect ring gear for cracks or damage. Kohler does
not provide ring gears as a serviceable part. Replace
ywheel if ring gear is damaged.
Remove Backing Plate and Stator
1. Remove mounting screws and backing plate from
crankcase.
2. Remove screws and stator. Note routing of stator
leads.
Remove Breather Reed Assembly
1. RTV sealant is used between breather reed cover
and crankcase. Remove nut and sealing (at)
washer securing breather reed cover to crankcase.
Carefully pry under small tab of cover ange to
separate and remove. Do not bend or distort cover.
2. Unscrew and remove mounting stud, retainer and
breather reed.
Crankshaft/Governor Gear/Oil Pump Components
K
J
L
R
P
O
N
G
H
I
D
C
B
A
E
F
M
Q
A
Governor Cross
Shaft
B Crankshaft
C Valve Tappets D Camshaft
E Regulating Pin F Shaft
G Governor Gear H
Locking Tab Thrust
Washer
I Oil Pan J Drain Plug
K Oil Seal L Oil Pump
M Oil Sentry
™
N Ball
O Spring P Oil Pick-up Screen
Q
Ground Strap
Location
R Outer Gerotor Gear
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