Kohler HD Series Service Manual page 56

Reassembly
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. Stagger piston rings in grooves until end gaps are
60° or more apart. Lubricate cylinder bore,
crankshaft journal, connecting rod journal, piston,
and rings with engine oil.
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 (110 in. lb.).
Install Tappets
Install intake and exhaust tappets into their respective
positions, as previously marked.
Install Camshaft
1. Lubricate camshaft and cam gear surfaces with light
grease or oil.
2. Install camshaft and align timing marks.
Install Governor Gear Assembly
NOTE: When installing governor, fl at of governor shaft
(located on outside of crankcase) should be
turned so fl at is parallel to crankcase gasket
surface. Paddle of governor shaft (located inside
crankcase) should be pointing away from
crankcase gasket surface.
1. Install governor gear and retainer, and torque screw
to 9.5 N·m (84 in. lb.).
2. Install governor cross shaft and secure it with hitch
pin.
56
Install Oil Pan
Torque Sequence
HD775
3
5
2
HD675
3
5
7
KohlerEngines.com
1
6
4
1
6
4
2
14 690 10 Rev. --