Kohler Command Pro CH980 User Manual download pdf (Page 13)

Ignition System

An electronic Capacitive Discharge (CD) ignition

system is used. Other than periodically checking/

replacing the spark plugs, no maintenance, timing, or

adjustments are necessary or possible with this

system.

Check Spark Plugs

Every 200 hours of operation, remove the spark plugs,

check condition, and reset the gap. Replace with new

plugs every 600 hours, or as necessary. The standard

spark plug is a Champion

XC10YC (Kohler Part No.

62 132 04-S). Equivalent alternate brand plugs can

also be used.

1. Before removing the spark plug, clean the area

around the base of the plug to keep dirt and

debris out of the engine.

2. Remove the plug and check its condition. Replace

the plug if worn or reuse is questionable.

NOTE: Do not clean the spark plug in a machine

using abrasive grit. Some grit could remain

in the spark plug and enter the engine

causing extensive wear and damage.

3. Check the gap using a wire feeler gauge. Adjust

the gap to 0.76 mm (0.030 in.) by carefully

bending the ground electrode. See Figure 24.

Figure 24. Servicing Spark Plug.

4. Reinstall the spark plug into the cylinder head.

Torque the spark plug to 24.4-29.8 N·m

(18-22 ft. lb.).

Service Paper Element

Every 150 hours of operation (more often under

extremely dusty or dirty conditions) replace the paper

element.

1. Loosen the cover retaining knobs and remove the

cover.

2. Rotate the element latch to release the element.

3. Remove the paper element with precleaner.

4. Remove the precleaner (if so equipped) from the

paper element. Service the precleaner as

described above.

5. Do not wash the paper element or use

pressurized air, as this will damage the element.

Replace a dirty, bent, or damaged element with a

genuine Kohler element. Handle new elements

carefully; do not use if the sealing surfaces are

bent or damaged.

6. When servicing the air cleaner, check the air

cleaner base. Make sure it is secured and not bent

or damaged. Replace all damaged air cleaner

components.

NOTE: If any loose dirt or debris fell on the air

cleaner base when the element was

removed, carefully remove it and wipe

the base clean. Be careful that none of it

drops into the intake throat.

7. Reinstall the paper element with precleaner.

Rotate the element latch to secure the element.

8. Reinstall the air cleaner cover. Secure cover with

the cover retaining knobs.

9. When element replacement is necessary, order

genuine Kohler parts.

Clean Air Intake/Cooling Areas

To ensure proper cooling, make sure the grass screen,

cooling fins, and other external surfaces of the engine

are kept clean at all times.

NOTE: Operating the engine with a blocked grass

screen, dirty or plugged cooling fins, and/or

cooling shrouds removed, will cause engine

damage due to overheating.

Wire Gauge

Ground

Electrode

Spark Plug

0.76 mm

(0.030 in.) Gap

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 19 20

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Kohler Command Pro CH980 User Manual Page 13

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