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16 – English
MAINTENANCE
Tensioning the drive belt
• The drive belt is fully enclosed and well protected from
dust and dirt.
• When tensioning the drive belt, slightly loosen the nuts (A)
holding the cutting head and belt guard.
• Turn the tension screw so that the nut (B) aligns with the
arrow on the guard. Shake the head to ensure the spring
can tension the belt. The belt now automatically has the
right tension.
• Tighten the nuts holding the cutting head.
Replacing the drive belt
• Loosen the two screws (A).
• Turn the tension screw (B) until tensioning stops.
• Remove the two screws (A).
• Remove the front belt guard (C)
• Remove the belt from the belt pulley.
• Remove the cutting head.
• Remove the screw (D). Remove the side cover.
• Replace the drive belt.
• Assemble in the reverse order as set out for dismantling.
• Check that the blade guard over the cutting blade is not
cracked or damaged in any other way. Replace when
damaged.
Belt pulley and clutch
Never start the engine when the belt pulley and clutch are
removed for maintenance.
Carburetor
Your Husqvarna product has been designed and
manufactured to specifications that reduce 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 minimise harmful exhaust emissions
after the running-in period, ask your dealer/service workshop
(who will have a rev counter at their disposal) to adjust your
carburettor.
Function
• The carburettor governs the engine speed via the throttle.
Air and fuel are mixed in the carburettor.
Needles
The carburettor is equipped with fixed needles to ensure the
machine always receives the correct mixture of fuel and air.
When the engine lacks power or accelerates poorly, do the
following:
• Check the air filter and replace if necessary.
• When this does not help, contact an authorised service
workshop.
Fine adjustment of the idle speed T
Adjust the idle speed using the T screw. When an adjustment
is necessary, first turn the screw clockwise until the blade
starts to rotate. Now turn the screw anti-clockwise until the
blade stops rotating. A correctly adjusted idle speed is set
when the engine accelerates without hesitation.
Rec. idle speed: 2500 rpm
IMPORTANT INFORMATION The tension of a new drive
belt must be readjusted after one or two tanks of fuel have
been used.
!
WARNING! Never use the power cutter
without a blade guard over the cutting blade.
!
WARNING! Do not start the machine without
the cutting arm or cutting head fitted.
Otherwise the clutch could come loose and
cause personal injuries.
!
WARNING! If the idle speed cannot be
adjusted so that the cutting attachment
stops, contact your dealer/service
workshop. Do not use the machine until it
has been correctly adjusted or repaired.