MAINTENANCE
The owner is responsible for the perfor-
mance of all required maintenance as
defined in the operator?s manual.
Idle Speed
Screw--T
Carburetor
Your Husqvarna product has been designed
and manufactured to specifications that re-
duce harmful emissions. After the engine
has used 8--10 tanks of fuel, the engine will
be run--in. To ensure that it continues to run
at peak performance and to minimize harm-WARNING:Iftheidlespeedcan-
ful exhaust emissions after the run--in peri-
od, ask your servicing dealer to adjust yournot be adjusted so that the cutting
attachment stops, contact your ser-
carburetor.vicing dealer. Do not use the ma-
WARNING:Thecompleteclutch,chine until it has been correctly ad-
clutch cover, and shaft must bejusted or repaired.
fitted before the machine is started,
otherwise parts could come looseUnit/Maintenance Safety
and cause personal injury.Disconnect the spark plug before perform-
ing maintenance, except carburetor adjust-
Functionments.
Muffler
S The carburetor governs the engine?s
speed via the throttle control. Air and fuel
are mixed in the carburetor.The muffler is designed to reduce the noise
S The T--screw regulates the throttle settinglevel and to direct the exhaust gases away
at idle speed. If the T--screw is turnedfrom the operator. The exhaust gases are
clockwise this gives a higher idle speed;hot and can contain sparks, which may
turning it counterclockwise gives a lowercause fire if directed against dry and com-
idle speed.bustible material.
Basic setting
S The 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 counterclockwiseMufflers are equipped with a special spark
until the cutting attachment stops.
arrestor mesh. You should clean the mesh
Rec. idle speed:at least once a month. This is best done
See ?Technical data? section.with awirebrush. If the mesh is damaged
Recommended max. speed:it should be replaced. A blocked mesh
See ?Technical data? section.will cause the machine to overheat and re-
sult in damage to the cylinder and piston.
Fine adjustment of the idle speed--T
Adjust the idle speed using the idle adjust-
ment screw--T if it is necessary to readjust.
First, turn the idle adjustment screw--TMuffler bolts
clockwise until the cutting attachment starts
to rotate. Then, turn the screw counter-Spark arrestor mesh
clockwise until the cutting attachment stops.
The idle speed is correctly adjusted when
the engine will run smoothly in every posi-
tion. The idle speed should also be wellCAUTION! Never use a machine that has
below the speed at which the cutting attach-a faulty or loose muffler. Ensure the muffler
ment starts to rotate.bolts are tight.
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ACEC
