English---18
115374327 Rev.6 5/31/12
MAINTENANCE
The idle speed is correctly adjusted when
the engine will run smoothly in every posi-
tion. The idle speed should also be well
below the speed at which the cutting at-
tachment starts to rotate.
Carburetor
YourHusqvar na product has been designed
andmanufac tured to specifications that re-
duce harmful emissions. After the engine
has used 8--10tanks of fuel, the engine will
ber un--in.To ensure that it continues to run
at peak performance and to minimize harm-
ful exhaust emissions after the run--in peri-
od, ask your servicing dealer to adjust y our
carburetor.
The owner is responsible for the per
f
or-
mance of all required maintenance as
defined in the operator’s manual.
WARNING: The complete clutch,
clutch cover, and shaft must be
fitted before the machineis started,
otherwise parts could comeloose
and cause personal injury.

Function

SThe carburetor governs the engine’s
speed via the throttle control. Air and fuel
are mixed in the carburetor.
SThe T--screwregulat es the throttle setting
at idle speed. If the T--screw is turned
clockwise this gives a higher idle speed;
turning it counterclockwise gives a lower
idle speed.

Basic setting

SThe basic carburetor settings are ad-
justed during testing at the factory. Fine
adjustment should be carried out by a
skilled technician.
CAUTION! If the cutting attachment rotates
when the engine is idling the idle adjustment
screw T should be turned counterclockwis e
until the cutting attachment stops.
Rec. idle speed:
See “Technicaldata” sec tion.
Recommended max. speed:
See “Technicaldata” sec tion.

Fine adjustmentof the idle speed --T

Adjust the idle speed using the idle adjust-
ments crew--Tif it i s necessary to readjust.
First, turn the idle adjustment screw--T
clockwise until the cutting attachment starts
to rotate. Then, turn the screw counterc-
lockwise until the cutting attachment stops.
WARNING: Iftheidlespeed
cannot be adjustedso that the cut -
ting attachment stops,contact your
dealer/service workshop. Do not use
the machineuntil it has been cor -
rectly adjusted or repaired.
Idle Speed
Screw--T
WARNING: If the idle speed can-
not be adjusted so that the cutting
attachmentstops, contact your ser -
vicing dealer. Do not use the ma-
chine until it hasbeen correctly ad -
justed or repaired.
Unit/MaintenanceSafety
Disconnect the spark plug before perform-
ingmaintenanc e, except carburetor adjust-
ments.
Muffler
CAUTION!Muffler is fit ted with a catalytic
converter designed to reduce exhaust gas
emissions.
The muffleris des igned to reduce the noise
level and to direct the exhaust gases away
from the operator.The ex haust gases are
hot and can contain sparks, which may
cause fire if directed against dry and com-
bustible material.
Mufflers are equipped with a special spark
arrestor mesh. The mesh should be
checked and, if necessary. cleaned by a
servicing dealer. If the mesh is damaged,
it should be replaced. Ifthemeshisfre-
quently blocked, this can be a sign that the
performance of the catalytic converter is
impaired. Contact your servicing dealer to
inspect the muffler.A bloc ked mesh will
cause the machine to overheat and result
indamage to the c ylinder and piston.