75
Reassembly
32 690 03 Rev. H KohlerEngines.com
NOTE: Before installing fl ywheel, make sure crankshaft taper and fl ywheel hub are clean, dry, and completely free of
lubricants. Presence of lubricants can cause fl ywheel to be overstressed 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 installed properly.
1. Install fl ywheel 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 fl ywheel key.
3. Install fan onto fl ywheel, so locating pins fi t into corresponding recesses. Drive 2 retainers down completely.
4. Install fan mounting plate onto fan, aligning 4 cutouts, followed by heavy fl at washer and screw.
5. Use a fl ywheel strap wrench or holding tool to hold fl ywheel. Torque screw securing fl ywheel to crankshaft to 74.5
N·m (55 ft. lb.).
Cylinder Head Components
A
B
C
I
E
F
G
H
D
K
L
M
N
J
P
O
A Gasket B Valve C Cylinder Head D Valve Spring Cap
E Valve Stem Seal F Valve Spring G Valve Spring Keeper H Stud
I Spark Plug J Guide Plate K Push Rod L Rocker Arm
M Rocker Arm Pivots N Adjusters O Washer P Valve Cover
Assemble and Install Cylinder Heads
Valve Stem Seals
Use a new seal whenever valve is removed, or if seal is
deteriorated or damaged. Never reuse an old seal.
Assemble Cylinder Heads
Prior to installation, lubricate all components with engine
oil, paying particular attention to lip of valve stem seal,
valve stems, and valve guides. Install following items in
order listed below using a valve spring compressor.
● Intake and exhaust valves.
● Valve stem seal.
● Washer (intake valve only).
● Valve springs.
● Valve spring caps.
● Valve spring keepers.
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