Kohler COMMAND CH18-745 User Manual download pdf (Page 214)

11.29

Section 11

Reassembly

Figure 11-96. Reinstall the Dipstick in Tube.

6. Make sure the O-Ring is in place then reinstall the

oil fill cap on the valve cover. See Figure 11-97.

Figure 11-97. Reinstalling Oil Fill Cap (Some Models).

Connect Spark Plug Leads

1. Connect the leads to the spark plugs. See Figure

11-98.

Figure 11-98. Connect Spark Plug Leads.

Prepare the Engine for Operation

The engine is now completely reassembled. Before

starting or operating the engine, be sure to do the

following.

1. Make sure all hardware is tightened securely.

2. Make sure the oil drain plugs, oil sentry pressure

switch, and a new oil filter are installed.

3. Fill the crankcase with the correct amount, weight,

and type of oil. Refer to oil recommendations and

procedures in the ‘‘Safety and General

Information’’ and ‘‘Lubrication System’’ sections.

4. Adjust the carburetor, idle fuel needle, or idle

speed adjusting screw as necessary. Refer to

Section 5, the "Fuel System and Governor".

Testing the Engine

It is recommended that the engine be operated on a

test stand or bench prior to installation in the piece of

equipment.

1. Set the engine up on a test stand. Install an oil

pressure gauge. Start the engine and check to be

certain that oil pressure (20 psi or more) is

present. Run the engine at idle for 2-3 minutes,

then 5-6 minutes more between idle and

midrange. Adjust the carburetor mixture settings

as necessary (as available).

2. Adjust the idle speed screw and high-speed stop

as necessary. Make sure the maximum engine

speed does not exceed 3750 RPM (no load).

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Kohler COMMAND CH18-745 User Manual Page 214