English---20
545196768 Rev.3 5/15/09
MAINTENANCE

Adjustingthe start throttle speed

The correct start throttle speed is set by
means of an adjuster on the rear of the
handlenex t to the cable. Use this screw (4
mmA llen screw) to increase or decrease
the start throttle speed.
Proceed as follows:
1. Run the machine at idle.
2. Press the start throttle lock as described
under the heading Starting and stopping.
3. If the start throttle speed is too low (below
4000 rpm), turn adjuster screw (A) c lock-
wise until the cutting attachment starts to
rotate. Then turn adjuster screw (A)
clockwise an additional 1/2 turn.
4. If the start throttle speed is too high, turn
adjuster screw (A) counterclockwis e
until the cutting attachment stops. Then
turn adjuster screw (A) clockwise an
additional 1/2 turn.
Carburetor
YourHusqvar na product has been designed
andmanufac tured to specifications that re-
duce harmful emissions. After the engine
has used 8--10tanks offuel, 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 li
f
e span o
f
the machine can be reduced
and the risk of accidents can inc rease if
machine maintenance is not carried out
correctly and if service and/or repairs arenot
carried out professionally. If you need further
information, please contact your nearest
authorised service dealer.
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” sec tion.
Recommended max. speed:
See “Technicaldata” sec tion.
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
attachment stops, contact your
servicing dealer. Do not use the
machine until it has been correctly
adjusted or repaired.

Fine adjustmentof the idle speed--T

Adjust the idle speed using the idle adjust-
ments crew--Tif it is nec essary 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.
The idles peed 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 attach-
ments tarts to rotate.
WARNING: The cutting attach-
ment maybe spinning during carbu-
retor adjustments.Wear your protec-
tive equipment and observe all safe-
ty instructions.Be sure the cutting
attachmentstops turning when the
engine idles.When the unit is turned
off, make sure the cutting attach-
ments hasstopped before the unit is
set down.
4mm