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Maintenance (continued)
WARNING!
Always wear gloves when
working around the cutter assembly.
■
Lubricate the blades before use and after refueling. Check the cutters for damage or incorrect adjustment.
■
Clean any debris or dirt from the cutting attachment.
■
Check for loose or missing screws or components. Make sure the cutter attachment is securely fastened.
■
Check the entire unit for leaking fuel or grease.
■
Make sure nuts, bolts, and screws (except carburetor idle speed adjusting screws) are tight.
10-Hour maintenance
(more frequently in dusty conditions)
1. Remove the air filter cover by
loosening 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.
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 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.
18
Loosen
fasteners
Remove the cover of
the air filter
IMPORTANT!
Direct the air stream at the inside face
of the filter only!
Remove and inspect spark plug
Filter element
Components of air
filter
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 mm
(0.024 in.)
Prefilter
spark plug gap--all models
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