Install Flywheel
CAUTION
Using improper procedures can lead to broken fragments.
Broken fragments could be thrown from engine. Always
observe and use precautions and procedures when
installing fl ywheel.
Damaging Crankshaft and Flywheel Can
cause personal injury.
Flywheel Components
A
B
D
C
A Flywheel Fan B Flywheel C Stator D Backing Plate
NOTE: Before installing fl ywheel make sure crankshaft
taper and fl ywheel hub are clean, dry, and
completely free of any lubricants. Presence of
lubricants can cause fl ywheel to be over
stressed and damaged when screw is torqued
to specifi cations.
NOTE: Make sure fl ywheel key is installed properly in
keyway. Flywheel can become cracked or
damaged if key is not properly installed.
1. Install woodruff key into keyway of crankshaft. Make
sure key is properly seated and parallel with shaft
taper.
2. Install fl ywheel onto crankshaft being careful not to
shift woodruff key.
3. Install screw and washer.
4. Use a fl ywheel strap wrench or holding tool to hold
fl ywheel. Torque screw securing fl ywheel to
crankshaft to 71.6 N·m (52.8 ft. lb.).
Install Fan
NOTE: Position locating tabs on back of fan in locating
holes of fl ywheel.
1. Install fan onto fl ywheel using screws (engines with
plastic grass screen). Engines with a metal grass
screen will leave fan loosely assembled.
2. Torque screws to 9.9 N·m (88 in. lb.).
Reassembly
126 24 690 01 Rev. KKohlerEngines.com
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