Remove Crankshaft Position Sensor; Remove Debris Screen (Style A); Remove Debris Screen (Style B); Remove Flywheel/Fan/Hex Stud Assembly - Kohler Command PRO EFI Series Service Manual

Disassembly/Inspection and Service

Remove Crankshaft Position Sensor

1. Remove two bracket mounting screws and
crankshaft position sensor from backing shroud.
Keep leads in place and let bracket and crankshaft
position sensor lay on backing shroud.
2. Unplug connector from rectifi er-regulator. Remove
wiring harness ground lead from rectifi er-regulator
mounting screw (outside edge). Rectifi er-regulator
does not need to be removed from backing shroud.
3. Remove lead from oil temperature sensor (in oil
pan). Remove switch from oil pan only if replacing.
4. Remove screw securing harness bracket and ground
lead to #1 cylinder boss.
5. Remove other end of ground lead from #1 cylinder
boss screw. Be sure to keep washer.

Remove Debris Screen (Style A)

Remove screws and special washers securing debris
screen to studs in fl ywheel; then remove stiff ener. Hex
studs and cooling fan can stay attached to fl ywheel.

Remove Debris Screen (Style B)

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.

Remove Flywheel/Fan/Hex Stud Assembly

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. Use a fl ywheel strap wrench or holding tool to hold
fl ywheel and loosen screw securing fl ywheel to
crankshaft.
2. Remove screw and washer.
3. Use a puller to remove fl ywheel from crankshaft.
4. 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.
94
Remove Backing Shroud Assembly
1. Remove screws securing stator to backing shroud.
Keep leads in place and let stator lay on backing
shroud.
2. Carefully slide lock tab outward. Press down on lock
tab to release, then separate connectors.
3. Remove screws securing backing shroud to
crankcase. Set backing shroud/harness assembly to
#1 starter side.
Remove Intake and Throttle Body/Air Cleaner
Assembly
1. Disconnect lead from Oil Sentry
wire, red terminal). Remove switch from oil pan only
if replacing.
2. Disconnect oil temperature sensor connector. Unless
sensor is damaged or malfunctioning, disassembly
from crankcase is unnecessary.
3. Remove breather hose from breather cover. (Other
end is connected to throttle body assembly.)
4. Loosen but do not remove throttle body/intake
manifold. Support manifold and remove this
assembly when fi nal intake manifold bolt is taken
out, along with backing plate assembly.
Assembly includes air cleaner, hose, elbow, throttle
body, intake manifold, fuel rail assembly, injectors,
MAP or TMAP sensor, intake air temperature sensor,
ECU, and brackets. If equipped with electronic
governor it also includes GCU, DLA, and electronic
governor wiring harness.
Separate parts only if additional service is required.
Refer to pages 106-111.
KohlerEngines.com
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62 690 05 Rev. E