Hour Maintenance 10/15-Hour Maintenance

10-Hour Maintenance

10/15-Hour Maintenance

Assembly

Throttle Linkage and Ignition Leads

CAUTION!

Do not operate the unit if the air cleaner or element is damaged, or if the element is wet.

Every 10 hours of operation, (more frequently in dusty or dirty conditions):

Remove the air cleaner element from the air cleaner housing and clean it thoroughly with soap and water. Let it dry before reinstalling the element. See Figure 30.

Unscrew

Fastener

Remove and

CAUTION!

Before removing the spark plug, clean the area around the plug to prevent dirt and debris from getting into the engine’s internal parts.

Every 10 to 15 hours of operation:

Remove and clean the spark plug. See Figure 31. Adjust the spark plug electrode gap to 0.024-inch (0.6 mm). If the plug must be replaced, use only: Champion CJ8 or equivalent spark plug of the correct heat range.

Clean the spark plug and check the gap at the electrode.

		Spark
Red Wire	Black Wire	Plug Boot
Red Wire

ASSEMBLY

	Ignition Ground
	Lead
Figure 10	Black Wire
Figure 10

Assemble and Adjust the Throttle Cable.

clean the

element

MAINTENANCE

Figure 30

0.024 inch

(0.6 mm)

Figure 31

1.Insert the throttle cable housing into the notch on the fan cover, and clamp the black wire’s connector between the fan cover and the cable outer adjuster nut. See Figure 10.

2.Tighten the two throttle cable adjuster nuts.

IMPORTANT!

Adjust and tighten the cable nuts to allow approximately 1/4-inch freeplay at the throttle trigger.

3.Using finger pressure only, connect the black switch wire from the cable tube to the red ignition wire on the powerhead. Wire routing must be as shown in the illustration with the black wire located over the spark plug wire. See Figure 10.

4.Reinstall the cylinder cover and tighten the three cover screws.

5.Reinstall the spark plug boot.

CAUTION!

Routing of wiring must not inter- fere with throttle operation.