Remove Oil Pan Assembly
1. Remove screws securing oil pan to crankcase.
2. Locate splitting tabs cast into perimeter of oil pan.
Insert drive end of a 1/2" breaker bar between
splitting tab and crankcase and turn it to break RTV
seal. Do not pry on sealing surfaces as this can
cause leaks.
Inspection
Inspect oil seal in oil pan and remove it if it is worn
or damaged. Refer to Install Oil Seal in Oil Pan in
Reassembly for new oil seal installation.
Inspect main bearing surface for wear or damage (refer
to Specications). Replace oil pan assembly if required.
Governor Gear Assembly
Governor Shaft Component and Details
C
A
B
A
34.0 mm (1.3386 in.)
33.5 mm (1.3189 in.)
B 19.40 mm (0.7638 in.)
C Gear Shaft
Governor gear assembly is located inside oil pan. If
service is required, refer to Inspection, Disassembly, and
Reassembly procedures.
Inspection
Inspect governor gear teeth. Replace gear if it is worn,
chipped, or if any teeth are missing. Inspect governor
weights. They should move freely in governor gear.
Disassembly
NOTE: Governor gear is held onto shaft by small
molded tabs in gear. When gear is removed from
shaft, these tabs are destroyed and gear must
be replaced. Therefore, remove gear only if
absolutely necessary.
Governor gear must be replaced once it is removed from
oil pan.
1. Remove regulating pin and governor gear assembly.
2. Remove locking tab thrust washer located under
governor gear assembly.
3. Carefully inspect governor gear shaft and replace it
only if it is damaged. After removing damaged shaft,
press or lightly tap replacement shaft into oil pan to
depth shown.
Reassembly
1. Install locking tab thrust washer on governor gear
shaft with tab down.
2. Position regulating pin within governor gear/yweight
assembly and slide both onto governor shaft.
Disassembly/Inspection and Service
6724 690 07 Rev. H KohlerEngines.com
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