MAINTENANCE
19
–
English
•
Incorrect carburettor adjustment.
•
An incorrect fuel mixture (too much or incorrect type
of oil).
•
A dir
r.
These factors cause deposits on the spark plug
electrodes, which may result in operating problems and
star
s.
If the machine is low on power, difficult to start or runs
poorly at idle speed: always check the spark plug first
before taking a n y fur ther action.
If the spa
rk plug is dirty,
clean it and che c k that the electrode gap is 0.6-0.7
. mm.
The spark plug should be replaced after about a month in
operation or ea r lier if necessary.
CAUTION! Always use the recommended spa
r
k plug
type! Use of the wrong spark
plug can
damage
the
piston/
cylinder. Che c k that the spark plug is fitted with a
suppressor.
lter
lter must be regula r ly cleaned to rem
o
v
e dust
and dirt in order to avoid:
•
Carburettor malfunctions
•
Starting problems
•
Loss of engine power
•
Unnecessary wear to engine parts.
•
Excessive fuel consumption.
every 25 hours, or more regularly if
conditions are exceptionally dusty.
lter
Remove the air
cover and take out the
r. Wash it
clean in warm, soapy water.
ry
bef
.
An air
that has been in use for a long time cannot be
cleaned completely. The
must
there for
be replaced
with a new one at regular intervals.
A damaged air
must always be replaced.
lter
should be soaked in oil. See instructions under the
r.
lter
Always use HUSQVARNA
oil, art.no.531
00
92-48.
vent to make it spread evenly
through the
r. You should therefore avoid skin contact.
over it.
Knead the plastic bag to distribute the oil. Squeeze the
e
the excess before
the
to the machine.
Never
use common engine oil. This would drain through the
quite quickly and collect in the bottom.
0,6 - 0,7
