Kohler Command Pro ECV850, Service Manual

Page: 74 / 104

Disassembly/Inspection and Service
74 19 690 01 Rev. -- KohlerEngines.com
Remove Flywheel Assembly
Flywheel/Fan Components
A
D
B
C
E
A Flywheel Fan B Flywheel Screw
C Washer D Flywheel
E
Crankshaft Position
Sensor
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.
1. Remove fan from fl ywheel.
2. Use a fl ywheel strap wrench or holding tool to hold
fl ywheel and loosen screw securing fl ywheel to
crankshaft.
3. Remove screw and washer.
4. Use a puller to remove
fl ywheel from crankshaft.
5. 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 Crankshaft Position Sensor
Remove crankshaft position sensor with harness
attached.
Remove Fuel Pump Module (FPM)
WARNING
Explosive Fuel can cause fi res and severe
burns.
Do not
fi ll fuel tank while engine is hot or
running.
Gasoline is extremely fl ammable and its vapors can
explode if ignited. Store gasoline only in approved
containers, in well ventilated, unoccupied buildings,
away from sparks or fl ames. Spilled fuel could ignite
if it comes in contact with hot parts or sparks from
ignition. Never use gasoline as a cleaning agent.
1. Remove 3 screws securing FPM to baf fl e and
remove FPM.
2. Remove 3 screws securing baf fl e to crankcase and
remove baf fl e.
Remove Starter Motor
1. Disconnect leads from starter.
2. Remove screws and starter.
Remove Fixed Guard
Remove screws securing fi xed guard and spacers;
remove guard and spacers.
Remove Debris Screen
NOTE: Fan will be loose, but cannot be removed until
after blower housing is removed.
1. Remove screws securing screen and remove
screen.
2. Remove spacers, paying attention to curvature of
spring washers between spacers and fan.
3. Remove mounting screw and oil fi ll tube.
Remove Blower Housing
1. Unplug wire harness from ECU and recti fi er-
regulator. ECU and recti fi er-regulator do not need
to be removed from blower housing.
2. Loosen screws and nuts securing blower housing to
crankcase.
3. Remove blower housing.