Maintenance (continued)
10-Hour maintenance
(more frequently in dusty conditions)
1.
Remove the air filter cover by loosen-
ing the cover screw(s) and lifting.
2.
Remove and inspect the pre-filter. If
the pre-filter is torn or otherwise dam-
aged, 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 ele-
ment is damaged or distorted, replace it
with a new one.
5.
Tap filter gently on a hard surface to dis-
lodge debris from element or use com-
pressed air from the inside to blow debris
out and away from the air filter element.
6.
Install the air filter element, pre-fil-
ter and cover in the reverse order of
removal.
10/15-Hour maintenance
Remove and clean or replace the spark
plug.
Clean the spark plug. Adjust electrode
gap according to the values listed in the
"Specifications" section. If the spark plug
must be replaced, use only the type rec-
ommended in "Specifications" or equiva-
lent 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.
Gearcase lubrication
Lubricate the cutter assembly
gearcase by pumping one or two
strokes of lithium-base grease into the
grease fitting (A) using a lever-type
grease gun.
CAUTION!
Over lubricating can cause the gear-
case to operate sluggishly and can
cause grease to leak out.
14
Loosen
fasteners
IMPORTANT!
Direct the air stream at the inside face of
the filter only!
Lubricate cutter assembly and gearcase
Filter element
CAUTION!
Never operate the unit if the air cleaner
assembly is damaged or missing!
Clean the spark
plug and check
the gap at the
electrode.
0,6 - 0.7 mm
A
Gearcase