Kohler LH630-775 Service Manual page 141

Reassembly
1. 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.
2. Install the rotor.
3. Install the oil pump body to the closure plate and
secure with the two hex flange screws. Torque
the hex flange screws as follows:
a. Install fastener into location No. 1 and lightly
tighten to position pump.
b. Install fastener into location No. 2 and fully
torque to the recommended value.
c. Torque fastener in location No. 1 to the
recommended value.
Oil Pump Torque Sequence
First Time Installation:10.7 N·m (95 in. lb.)
All Reinstallations:
4. 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 depth shown
in Figure 10-17.
6.7 N·m (60 in. lb.)
Inspection and Reconditioning
2.0 mm
(0.0787 in.)
Figure 10-17. Governor Cross Shaft Oil Seal
Position.
Figure 10-18. Governor Shaft Seal Installed.
Water Pump
The water/coolant pump consists of a sealed impeller
assembly, which includes the outer cover and a
cogged drive pulley. When the pump is mounted to
the crankcase, the impeller fits into a cast recess, and
the cover seals against an O-Ring outside the
perimeter of the recess. See Figure 10-19.
Section 10
Governor Cross
Shaft Seal
10.13
10