Oil Seal; Install Oil Pickup Screen; Install Oil Reservoir; Check Crankshaft End Play - Kohler CH940-CH1000 Service Manual

Reassembly

Oil Seal

1. Check to make sure there are no nicks or burrs in
crankshaft seal bore of closure plate.
2. Lightly oil outside diameter of oil seal.
3. Install oil seal into closure plate using a seal driver.
Make sure oil seal is installed straight and true in
bore to depth shown.
4. Apply a light coat of clean engine oil to inner surface
of main bearing.
Oil Pump Assembly
Oil pump is mounted inside closure plate. If service was
required and oil pump was removed, refer to assembly
procedure.
Install Closure Plate Assembly
3
5
7
9
11
13
1. Make sure sealing surfaces of closure plate and
crankcase are clean, dry, and free of any nicks or
burrs. Install a new O-ring in closure plate.
2. Install a new closure plate gasket onto crankcase.
3. Make sure oil pump is installed and oil pickup tube
faces outward at lower end.
4. Ensure end of tabbed washer on governor gear is
positioned outward in 6 o'clock position inside
crankcase.
58
3.0 mm
(0.118 in.)
Oil Seal
1
14
12
10
8
6
4
2
KohlerEngines.com
5. Orient fl at of oil pump gear to match position of fl at
on camshaft. Then install closure plate to crankcase.
Carefully seat camshaft and crankshaft into their
mating bearings. Rotate crankshaft slightly to help oil
pump and governor gears mesh.
6. Install hex fl ange screws securing closure plate to
crankcase. Tighten screws in sequence shown to
torque specifi cation.

Install Oil Pickup Screen

Apply a small amount of oil to grommet of pickup
screen and insert it onto lower end of pickup tube
within crankcase. Secure pickup to boss on bottom
of crankcase. Tighten mounting screw to torque
specifi cation.

Install Oil Reservoir

8
3
5
1. Use two bolts with heads removed, or a similar item
as temporary alignment pins and install into two
center holes on ends.
2. Install a new oil reservoir gasket onto bottom of
crankcase using alignment pins. Notched side of
gasket must be towards fl ywheel.
3. Install oil reservoir onto crankcase and temporary
alignment pins. Flywheel side is indicated on cover.
Install and fi nger tighten screws. Remove two
alignment pins and install two remaining screws.
Tighten screws in sequence shown to torque
specifi cation.

Check Crankshaft End Play

Set engine on base, and use a dial indicator to check
crankshaft end play against specifi cation.
6
1
4
2
7
62 690 01 Rev. C