Kohler Command PRO ECH749 Service Manual

8.13
Section 8
Disassembly
8
Figure 8-54. Removing Cylinder Head.
4. Remove the li ers from the li er bores. Use a
hydraulic li er tool. Do not use a magnet to
remove li ers. Mark the li ers by location, as
either intake or exhaust, and cylinder 1 or 2.
Hydraulic li ers should always be reinstalled in
the same position. See Figures 8-55 and 8-56.
Figure 8-56. Marking Hydraulic Lifters.
Disassemble Cylinder Heads
1. Remove the two hex fl ange screws, rocker arm
pivots and rocker arms from the cylinder head.
See Figure 8-57.
2. Mark the location of the push rods as either
intake or exhaust and cylinder 1 or 2. Push
rods should always be reinstalled in the same
positions.
3. Carefully remove the push rods, cylinder heads,
and head gaskets. See Figure 8-54.
Figure 8-55. Removing Hydraulic Lifters.
Figure 8-57. Removing Rocker Arm.
2. Compress the valve springs using a valve spring
compressor. See Figure 8-58.
Figure 8-58. Removing Valves with Valve Spring
Compressor.

Kohler Command PRO ECH749 Specifications

General

Fuel System	Carburetor
Starter	Electric
Governor Type	Mechanical
Lubrication System	Full Pressure
Fuel Type	Gasoline
Crankshaft Orientation	Horizontal
Bore	3.27 in (83 mm)
Cooling System	Air
Oil Type	SAE 10W-30
Spark Plug Gap	0.030 in (0.76 mm)
Valve Clearance - Intake	0.004 - 0.006 in (0.10 - 0.15 mm)
Crankshaft Type	Varies by model
Crankshaft Thread Size	Varies by model
Crankshaft Length	Varies by model
Crankshaft Diameter	Varies by model
Type	Overhead Valve (OHV)