Husqvarna PN 249512 - Manual (Page 8)

CAUTION!
• Do not make any repairs or adjustments on
the machine that are not described in this
manual.
• Contact an authorized service center if you
have any questions about the repairs to
make.
• The warranty may be invalidated in case of
improper adjustments made by unautho-
rized persons not employed by authorized
service centers.
• Place the Stop Switch (10) in the STOP posi-
tion before making any adjustments on the
machine
• always inspect the machine carefully before
use.
1 BLADES
• Before starting the machine check the state of
wear and conservation. In case of excessive
wear take the unit to a service center for
replacement.
• Caution: the blades are sharp and dangerous
even with the engine off. Handle with care and
use suitable protective gloves.
2 CLEANING OF AIR FILTER (At least every 25
hours of use).
• Use a screwdriver to lift and remove the air filter
from its housing (see figure).
• Clean the filter with gasoline.
• Dry the filter with air.
• Reassemble the filter in its housing.
NOTE: Replace the filter if torn or damaged.
3 GREASING GEARBOX
(Only for specific models)
• Every 50 hours of operation add grease to the
gearbox for the high speed gears, through the
inlet (C).
4 SPARKPLUG
• Periodically (at least once every 50 hours) disas-
semble and clean the sparkplug and adjust the
spacing between the electrodes (0.5 – 0.6 mm).
• Replace if excessively worn or, in any case,
after 100 hours of use.
• In case of excessive encrustation, check the
carburetor adjustment, the proper percentage
of oil in the fuel mixture and make sure the oil is
high quality two-stroke engine motor oil.
5 FUEL FILTER
• For cleaning or replacement, remove the cap on
the tank and extract the filter using a hook or
long-nosed pliers.
• Periodically, at the beginning of the season,
take the machine to your service center for
general maintenance and cleaning of the inter-
nal parts.
ENGLISH - 6
H. Routine Maintenance
CAUTION!
Your machine can be equipped with a low
emission carburetor. We recommend that car-
buretor adjustment be done, if necessary,
exclusively by authorized service centers,
which have the appropriate equipment to
ensure optimum performance with lower emis-
sions.
• The correct engine setting at idle speed is 2800
rpm as indicated in the technical specifications
of this manual and should not be modified
unless by an authorized service center
• If the engine does not hold the idle speed, turn
the screw T clockwise to increase the rpm and
counterclockwise reduce the rpm.
CAUTION! ALL THE ABOVE SETTINGS
SHOULD BE MADE WITH THE CUTTING
ATTACHMENTS PROPERLY INSTALLED.
G. Carburetor adjustment
4 Grasp the control grip firmly and accelerate,
automatically the enrichment lever will return to
its original position.
6 To stop the engine press the stop switch to
bring it to the "0" or "STOP" position.
WARM ENGINE
1 Place the stop switch on "I" or "START"
4 Enrichment lever (E) in original position.
5 Pull the cord until the engine starts.
6 To stop the engine press the stop switch to
bring it to the "0" or "STOP" position.