48
Disassembly/Inspection and Service
KohlerEngines.com 24 690 34 Rev. D
Flywheel/Ignition Components
F
G
E
C
K
L
O
M
N
H
P
B
I
D
J
A
A Debris Screen B Fan C Flywheel Screw D Washer
E Flywheel F Magnet G Stator H Ignition Module
I Backing Plate J Woodruff Key K Spring Washer L Spacer
M Ring Support N Metal Debris Screen O Washer P
Metal Debris Screen
Assembly
1. Use a fl ywheel strap wrench or holding tool (see
Tools and Aids) to hold fl ywheel and loosen screw
securing fl ywheel to crankshaft.
2. Remove screw and washer.
3. Use a puller to remove fl ywheel from crankshaft.
4. Remove woodruff key from crankshaft.
Inspection
Inspect fl ywheel for cracks and fl ywheel keyway for
damage. Replace fl ywheel if it is cracked. Replace
fl ywheel, crankshaft, and key if fl ywheel key is sheared
or keyway is damaged.
Inspect ring gear for cracks or damage. Kohler does not
provide ring gear as a serviceable part. Replace fl ywheel
if ring gear is damaged.
Remove Stator and Backing Plates
1. Remove screws securing backing plates and stator
wire bracket (if equipped). Remove backing plates
and stator wire bracket.
2. Remove screws and stator.
Remove Ignition Modules
1. Disconnect lead from each ignition module.
2. Rotate fl ywheel so magnet is away from modules.
3. Remove mounting screws and ignition modules.
Note position of ignition modules.
Remove Debris Screen and Fan
1. Remove socket head cap screws securing metal
debris screen and remove screen.
2. Remove spacers, paying attention to curvature of
spring washers between spacers and fan.
3. If there is a plastic debris screen attached to fan,
remove screws securing screen. Removing screen
will expose screws fastening fan to fl ywheel.
4. Remove screws and fan.
Remove Flywheel
NOTE: Always use a fl ywheel strap wrench or holding
tool to hold fl ywheel when loosening or
tightening fl ywheel screw. Do not use any type
of bar or wedge to hold fl ywheel. Use of such
tools could cause fl ywheel to become cracked or
damaged.
NOTE: Always use a fl ywheel puller to remove fl ywheel
from crankshaft. Do not strike crankshaft or
fl ywheel, as these parts could become cracked
or damaged. Striking puller or crankshaft can
cause crank gear to move, affecting crankshaft
end play.
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