43
Disassembly/Inspection and Service
14 690 12 Rev. -- KohlerEngines.com
Remove Breather Assembly
A
G
E
C
D
B
F
A Screw B Breather Cover
C
Breather Cover
Gasket
D
Breather Cover
Spring
E Disc (Breather Reed) F
Lower Breather
Media
G
Upper Breather
Media
Breather system is designed to control amount of oil
in head area and still maintain necessary vacuum in
crankcase.
When piston moves downward, crankcase gases are
pushed past reed through mesh fi lter into intake system.
Upward travel of piston closes reed and creates a low
vacuum in lower crankcase. Any oil separated out
through fi lter drains back into crankcase.
1. Remove screws securing breather cover. Remove
cover.
2. Remove cover gasket; discard.
3. Remove breather cover spring, disc (breather reed),
then upper and lower breather media.
Remove Spark Plug
A
A Spark Plug
Remove spark plug from cylinder head.
Remove Flywheel Brake Assembly (if equipped)
B
A
A Screw B
Flywheel Brake
Assembly
Remove screws and fl ywheel brake assembly from
crankcase.
Remove Valve Cover
B
A
C
A Valve Cover B Screw
C Valve Cover Seal
1. Remove screws from valve cover.
2. Remove cover and seal.
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