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Kohler Command CV20 Service Manual

Kohler Command CV20
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Reassembly
1. Install pressure relief valve piston and spring.
2. Install oil pickup to oil pump body. Lubricate O-ring
with oil and make sure it remains in groove as
pickup is being installed.
3. Install rotor.
4. Install oil pump body to oil pan and secure with
screws. Torque screws as follows:
a. Install fastener into screw location 1 and lightly
tighten to position pump.
b. Install fastener into screw location 2 and fully
torque to recommended value.
c. Torque fastener in screw location 1 to
recommended value.
First Time Installation: 10.7 N·m (95 in. lb.)
All Reinstallations: 6.7 N·m (60 in. lb.)
5. 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.
Oil Pump Assembly (Style A)
F
H
I
G
C
B
J
A
E
D
A
Oil Pump
(Original Style A)
B
Oil Pump
(Later Style A)
C Oil Pickup Tube D Roll Pin
E Piston F Spring G O-Ring H Plastic Oil Pickup
I
One-Piece Relief
Valve
J
Torque Sequence
(Style A)
Oil Pump Assembly (Style A)
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. If a plastic pickup is used,
unhook locking clip, and carefully pull it free from oil
pump housing.
4. If relief valve is like that shown, drive out pin to
remove oil pressure relief valve piston and spring.
Refer to following inspection and reassembly
procedures.
If 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.
Inspect oil pressure relief valve piston. It should be free
of nicks or burrs.
Check spring for wear or distortion. Free length of spring
should be approximately 47.4 mm (1.8 in.). Replace
spring if it is distorted or worn.
Disassembly/Inspection and Service
68
24 690 07 Rev. HKohlerEngines.com

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Kohler Command CV20 Specifications

General IconGeneral
BrandKohler
ModelCommand CV20
CategoryEngine
LanguageEnglish

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