Husqvarna PN 249512 ユーザーズマニュアル
CAUTION!
• Do not make any repairs or adjustments on
the machine that are not described in this
manual.
manual.
• Contact an authorized service center if you
have any questions about the repairs to
make.
make.
• The warranty may be invalidated in case of
improper adjustments made by unautho-
rized persons not employed by authorized
service centers.
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
machine
• always inspect the machine carefully before
use.
1 BLADES
• Before starting the machine check the state of
• 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.
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.
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.
• 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).
inlet (C).
4 SPARKPLUG
• Periodically (at least once every 50 hours) disas-
• 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).
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.
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
• For cleaning or replacement, remove the cap on
the tank and extract the filter using a hook or
long-nosed pliers.
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.
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.
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
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.
counterclockwise reduce the rpm.
CAUTION! ALL THE ABOVE SETTINGS
SHOULD BE MADE WITH THE CUTTING
ATTACHMENTS PROPERLY INSTALLED.
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.
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
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.