Governor Cross Shaft Oil Seal; Installing Cross Shaft Oil Seal - Kohler CH18-745 Service Manual

Kohler Engine Parts Call K&T 606-678-9623 or 606-561-4983
Relief Valve
Figure 10-16. Oil Pump, Oil Pickup, and One-Piece
Relief Valve (Later Style).
Inspection
Inspect the oil pump housing, gear, and rotors for
nicks, burrs, wear, or any visible damage. If any parts
are worn or damaged, replace the oil pump.
Inspect the oil pressure relief valve piston. It should be
free of nicks or burrs.
Check the spring for wear or distortion. The free length
of the spring should be approximately 47.4 mm
(1.8 in.). Replace the spring if it is distorted or worn.
See Figure 10-17.
Figure 10-17. Oil Pressure Relief Valve Piston and
Spring.
Reassembly
1. Install the pressure relief valve piston and spring.
2. Install the oil pickup to the oil pump body.
Lubricate the O-Ring with oil and make sure it
remains in the groove as the pickup is being
installed.
Pickup
Piston
Spring
Roll Pin
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Inspection and Reconditioning
3. Install the rotor.
4. Install the oil pump body to the closure plate and
secure with the two hex. flange screws. Torque
the hex. flange screws as follows:
First Time Installation: 10.7 N·m (95 in. lb.)
All Reinstallations:
5. After torquing, rotate the gear and check for
freedom of movement. Make sure there is no
binding. If binding occurs, loosen the screws,
reposition the pump, retorque the hex flange
screws and recheck the movement.

Governor Cross Shaft Oil Seal

If the governor cross shaft seal is damaged and/or
leaks, replace it using the following procedure.
Remove the oil seal from the crankcase and replace it
with a new one. Install the new seal to the depth
shown in Figure 10-18 using a seal installer.
2.0 mm (0.0787 in.)
Figure 10-18. Installing Cross Shaft Oil Seal.
Section 10
6.7 N·m (60 in. lb.)
Governor Cross
Shaft Seal
10.13
10