69
Disassembly/Inspection and Service
22 690 01 Rev. --
KohlerEngines.com
Install Governor Shaft
Governor Shaft Components and Details
A
B
A
40.0 mm (1.574 in.) To Gasket Surface - Before
Oil Passage Cover Plate and Gasket are
Assembled
B
Governor Gear Shaft
Install new governor gear shaft by pressing or lightly
tapping it into closure plate. It must be installed so that
it protrudes 40.0 mm (1.574 in.), plus or minus 0.2 mm
(0.0078 in.) above closure plate boss.
Closure Plate and Passage Cover Inspection and
Service
Passage Cover Torque Sequence
1
5
2
3
4
If disassembly was performed, inspect and ensure
oil passages in closure plate and passage cover are
completely clean and not obstructed in any way. Check
straightness of passage cover if required, against a fl at
surface.
Use a new passage cover gasket and install passage
cover onto closure plate. Reinstall mounting screws and
torque to 6.5 N·m (58 in. lb.), following sequence.
Install New Governor Gear Assembly
1. Install new governor regulating pin and governor
gear assembly.
2. Make sure governor gear assembly rotates freely.
Governor Gear Inspection
Inspect governor gear teeth. Look for any evidence of
worn, chipped, or cracked teeth. If one or more of these
problems is noted, replace governor gear.
Gear is held onto governor shaft by molded tabs, which
are damaged when gear is removed. Never reuse gear
once it has been pulled from shaft.
Remove Governor Gear and Oil Passage Cover
C
B
A
A
Oil Passage Cover Screws
B
Oil Passage Cover
C
Oil Passage Cover Gasket
1. Remove governor gear and regulating pin assembly.
Gently pry upward using blades of two small
screwdrivers.
2. Remove screws securing oil passage cover to
closure plate. Remove cover and gasket.
Oil Seal Inspection
Inspect oil seal in closure plate and remove it if it is worn
or damaged.
Governor Shaft Inspection
Replace governor shaft only if it is damaged or worn.
Remove Governor Shaft
1. Locate governor shaft from fl ywheel side. With a
small punch, drive shaft out of closure plate. This
could also be done with a press. Do not remove
governor shaft with a vise grip or pliers, you may
damage closure plate.
2. Using a brass wire brush and gasket remover or
similar solvent, clean old RTV from surface of
closure plate and crankcase. Do not scrape
surfaces, as any scratches, nicks, or burrs can result
in leaks.