16
Maintenance (continued)
10-Hour maintenance
(more frequently in dusty conditions)
Remove the air cleaner cover by 1.
loosening the cover screw(s) and
lifting.
Remove the air cleaner element. 2.
In dusty applications the lter
■
should be gently blown out with
compressed air daily or 2 to 3 times
per week.
CAUTION!
Never operate the unit if the air
cleaner assembly is damaged or
missing!
Unscrew
Fasteners
Loosen air cleaner cover screws
Air Filter
Element
Lubricate cutter assembly and gearcase
Gearcase
grease tting
A
Lubricate the cutter assembly ■
gearcase by pumping one or two
strokes of lithium-base grease into
the grease tting (A) using a lever-
type grease gun.
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.
10/15-Hour maintenance
Remove and inspect spark plug
CAUTION!
Over lubricating can cause the gear-
case to operate sluggishly and can
cause grease to leak out.
Gearcase lubrication
Remove and clean or replace the
spark plug.
Adjust the spark plug electrode gap to ■
0.6 mm (0.024 inch). If the spark plug
must be replaced, use only an NGK
BPM8RY spark plug.
spark plug gap--all models
Clean the spark plug
and check the gap at
the electrode.
0.6 mm
(0.024 inch)
IMPORTANT!
Direct the air stream at the inside face
of the lter only!
Once each week the lter should
■
be cleaned with a petroleum sol-
vent such as mineral spirits to
loosen and ush out debris trapped
between the lter halves. Allow the
lter to dry thoroughly before using
again. When the felt becomes
unraveled the lter should be
replaced.
Replace air cleaner element and 3.
cover.