Kohler Command PRO ECV630 Service Manual page 99

Oil Pump Assembly
Oil Pump Torque Sequence
1
Oil pump is mounted inside oil pan. If service is required,
continue with Disassembly, Inspection, and Reassembly.
Disassembly
1. Remove screws.
2. Remove oil pump assembly from oil pan.
3. Remove oil pump rotor. Unhook locking clip, and
care fully pull it free from oil pump housing.
Relief valve is a one-piece style, staked to oil pump
housing. Removal should not be attempted, nor is
internal servicing possible. If a problem with relief
valve is encountered, oil pump should be replaced.
Inspection
Inspect oil pump housing, gear, and rotors for nicks,
burrs, wear, or any visible damage. If any parts are worn
or damaged, replace oil pump.
Reassembly
1. Install oil pickup to oil pump body. Lubricate O-ring
with oil and make sure it remains in groove as
pickup is being installed.
2. Install rotor.
3. Install oil pump body to oil pan and secure with
screws. Torque screws as follows:
a. Install fastener into location 1 and lightly tighten
to position pump.
b. Install fastener into location 2 and fully torque to
recommended value.
c. Torque fastener in location 1 to recommended
value.
First Time Installation:
All Reinstallations:
4. After torquing, rotate gear and check for freedom of
movement. Make sure there is no binding. If binding
occurs, loosen screws, reposition pump, retorque
screws and recheck movement.
24 690 02 Rev. D
2
10.7 N·m (95 in. lb.)
6.7 N·m (60 in. lb.)
KohlerEngines.com
Disassembly/Inspection and Service
Crankcase Components
D
F
A Oil Pan Seal
C Gerotor Gears
E Governor Shaft
G Governor Gear
I Crankshaft
K
Piston
Piston Pin Retainer
M
Clip
O Camshaft
Q Crankcase
A
B
C
E
G
H
M
I
L
K
J
N
O
P
Q
B Oil Pan
D Oil Pump Assembly
F Governor Washer
H Governor Cup
J Connecting Rod
L
Piston Pin
N Piston Rings
Governor Cross
P
Shaft
99