16
MAINTENANCE
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
or the per
or-
mance of all required maintenance as
defined in the operator’s manual.
WARNING: The completeclutch,
clutch cover,and shaft must be
fitted before the machine is started,
otherwise parts could come loose
and cause personalinjury.

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.
Rec. idle speed:
See “Technicaldata” s ection.
Recommended max. speed:
See “Technicaldata” s ection.

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 counter-
clockwise until the cutting attachment stops.
Thei dle speed is correctly adjusted when
the enginew ill run smoothly in every posi-
tion. The idles peed should also be well
below the speed at which the cutting attach-
ments tarts to rotate.
CAUTION!If t hec utting attachment rotates
when the engine is idling the idle adjustment
screw T should be turned counterclockwis e
until the cutting attachment stops.
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/Maintenance Saf ety
Disconnect the spark plug before perform-
ingmaintenanc e, except carburetor adjust-
ments.
Muffler
Themuffler is des igned to reduce the noise
level and to direct the exhaust gases away
from the operator.The exhaus t gases are
hot andc an contain sparks, which may
cause fire if directed against dry and com-
bustible material.
Mufflers are equipped with a special spark
arrestor mesh. You should clean the mesh
at least once a month. This is best done
withawirebrush.Ifthe mesh is damaged
it should be r eplaced. A blocked mesh
will cause the machine to overheat and re-
sult in damage to the cylinder and piston.
Mufflerbolts
CAUTION!N ever use a machine that has
af aulty or loose muffler. Ensure the muffler
bolts are tight.
Spark arrestor mesh