Kohler COMMAND CH18-745 User Manual download pdf (Page 154)

9.1

Section 9

Disassembly

Section 9

Disassembly

WARNING: Accidental Starts!

Disabling engine. Accidental starting can cause severe injury or death. Before working on the engine or

equipment, disable the engine as follows: 1) Disconnect the spark plug lead(s). 2) Disconnect negative (-)

battery cable from battery.

CH18-745

19. Remove cylinder heads and hydraulic lifters.

20. Remove grass screen and fan.

21. Remove flywheel.

22. Remove stator and backing plates.

23. Remove closure plate assembly.

24. Remove camshaft.

25. Remove connecting rods with pistons and rings.

26. Remove crankshaft.

27. Remove governor cross shaft.

Disconnect Spark Plug Leads

1. Disconnect the leads from the spark plugs. See

Figure 9-1.

NOTE: Pull on boot only, to prevent damage to

spark plug lead.

General

Clean all parts thoroughly as the engine is

disassembled. Only clean parts can be accurately

inspected and gauged for wear or damage. There are

many commercially available cleaners that will quickly

remove grease, oil and grime from engine parts. When

such a cleaner is used, follow the manufacturer’s

instructions and safety precautions carefully.

Make sure all traces of the cleaner are removed

before the engine is reassembled and placed into

operation. Even small amounts of these cleaners can

quickly break down the lubricating properties of engine

oil.

Typical Disassembly Sequence

The following sequence is suggested for complete

engine disassembly. The sequence can be varied to

accommodate options or special equipment.

1. Disconnect spark plug leads.

2. Shut off fuel supply.

3. Drain oil from crankcase and remove oil filter.

4. Remove muffler.

5. Remove air cleaner assembly.

6. Remove control panel (if so equipped).

7. Remove fuel pump.

8. Remove throttle controls.

9. Remove external governor controls.

10. Remove carburetor.

11. Remove electric starter motor.

12. Remove outer baffles and blower housing.

13. Remove Oil Sentry™ (if so equipped).

14. Remove inner baffles and breather cover.

15. Remove valve covers.

16. Remove ignition modules.

17. Remove intake manifold.

18. Remove spark plugs.

Figure 9-1. Disconnect Both Spark Plug Leads.

Shut Off Fuel Supply

Drain Oil from Crankcase and Remove Oil

Filter

1. Remove the oil fill cap and dipstick and one of the

oil drain plugs.

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Kohler COMMAND CH18-745 User Manual Page 154

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