Flywheel Components
A
F
D
C
B
G
H
I
E
F
F
F
A Flywheel Fan B Flywheel C Stator D Backing Plate
E
High Output
Charging System
Flywheel
F
4 Cooling Holes in
High Output
Charging System
Flywheel
G
High Output
Charging
System Stator
H
High Output Charging
System Shim
Baffl e
I UP Stamp
Remove Fan and 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,
aff ecting crankshaft endplay.
NOTE: High output charging system fl ywheel (identifi ed by 4 large cooling holes) has very strong magnets. Magnet
assembly guard on interior of this fl ywheel has a thin, sharp edge. Wear protective gloves when handling this
fl ywheel.
1. Remove shoulder bolts securing fan if still attached and remove fan.
2. 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.
3. Remove screw and washer.
4. Use a fl ywheel puller to remove fl ywheel from crankshaft. ETB ECH EFI engines with high output charging system
have a fl ywheel with very strong magnets. Wear protective gloves and use a fl ywheel puller to remove this
fl ywheel.
5. Remove woodruff key.
Disassembly/Inspection and Service
17324 690 01 Rev. S KohlerEngines.com
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