Kohler Command Pro CV173 Service Manual page 52

Reassembly
Crankcase Components
M
L
A Crankcase Oil Seal
C Piston Pin Retainer
E Piston with Rings
G Crankcase Bearing
Connecting Rod End
I
Cap
K Camshaft
M Camshaft Washer
Install Crankshaft
Carefully install crankshaft into crankcase through front
seal, and fully seat into place. Rotate crankshaft until
journal for connecting rod is away from cylinder.
52
A
B
C
D
F
G
E
C
H
I
J
K
B Crankcase
D Piston Pin
F Crankshaft
H Connecting Rod
J Valve Lifters
L Wave Spring
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Install Piston and Connecting Rod
NOTE: Proper orientation of piston and connecting rod
inside engine is extremely important. Improper
orientation can cause extensive wear or
damage.
1. If piston rings were removed, see Disassembly/
Inspection and Service procedure to install rings.
2. Compress piston rings using a piston ring
compressor.
3. Position triangle on top of piston toward push rod
chamber.
4. Carefully guide connecting rod, with piston attached,
into bore.
5. Use handle of a soft, rubber-grip hammer to tap
piston into bore.
6. Rotate crankshaft to mate with connecting rod. Align
rod cap and connecting rod to match marks. Torque
screws to 12.5 N·m (111 in. lb.).
Install Valve Lifters
Apply camshaft lubricant to contact surfaces of valve
lifters. Install intake and exhaust valve lifters into their
respective positions, as previously marked. A small
amount of grease applied to stems will hold valve lifters
up until camshaft is installed.
Install Camshaft
1. Liberally apply camshaft lubricant to lobes of
camshaft and cam gear surfaces. Lubricate
camshaft bearing surfaces of crankcase and
camshaft with engine oil.
2. Install wave washer, then fl at washer on camshaft.
3. Install camshaft into crankcase and align timing
marks.
4. Install gerotor oil pump assembly (inner and outer
rotors) onto camshaft with dots facing cam.
Governor Gear Assembly
Governor gear assembly is located inside oil pan. If
service was required, and governor was removed, refer
to Disassembly/Inspection and Service.
Oil Pump Assembly
Oil Pump assembly is located inside oil pan. If service
was required, and oil pump was removed, refer to
Disassembly/Inspection and Service.
14 690 12 Rev. --