10/15-Hour maintenance

Maintenance (continued)

10-Hour maintenance

(more frequently in dusty conditions)

1.Remove the air filter cover by loos- ening the cover screw(s) and lifting.

2.Remove and inspect the pre-filter. If the pre-filter is torn or otherwise damaged, replace it with a new one.

3.Clean the pre-filter with soap and water. Let dry before reinstalling.

4.Inspect the air filter element. If the element is damaged or distorted, replace it with a new one.

5.Tap filter gently on a hard surface to dislodge debris from element or use compressed air from the inside to blow debris out and away from the air filter element.

6.Install the air filter element, pre-filter and cover in the reverse order of removal.

Loosen

fasteners

Remove the cover of the air filter

IMPORTANT!

Direct the air stream at the inside face of the filter only!

Prefilter

Filter element

Components of air filter

CAUTION!

Never operate the unit if the air cleaner assembly is damaged or missing!

Remove and clean or replace the spark plug.

■■Clean the spark plug. Adjust elec- trode gap according to the values listed in the ”Specifications” section. If the spark plug must be replaced, use only the type recommended in ”Specifications” or equivalent resistor type spark plug of the correct heat range.

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.

Clean the spark

plug and check

the gap at the

electrode.

0,6 mm

(0.024 in)

Remove and inspect spark plug

50-Hour maintenance

Gear Housing

1.Clean all loose debris from gear box.

2.Remove plug (A) and check level of grease. Grease should fill gear case to bottom of grease plug hole.

3.Add grease if necessary using manual grease gun or squeeze-type tube.

Do not use high pressure grease gun. DO NOT over-fill.