Kohler Command PRO EFI propane PCH680 [72/96] Disassembly inspection and service

Flywheel Components

A Flywheel Fan B Flywheel C Stator D Backing Plate

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. Striking puller or crankshaft can

cause crank gear to move, aﬀ ecting crankshaft

endplay.

1. Remove fan (screws were removed earlier with

debris screen).

2. Use a ﬂ ywheel strap wrench or holding tool (see

Tools and Aids) 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.

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 Stator and Backing Plate

1. Remove screws securing backing plate. Remove

backing plate.

2. Remove screws and stator. Note position/routing of

stator lead.

Disassembly/Inspection and Service

72 24 690 32 Rev. CKohlerEngines.com