Husqvarna K970 III Operator's Manual page 25

• Replace the drive belt. Turn the belt tensioner to
position "1" to tighten the drive belt.
• Fit the belt guards and tighten the nuts (B) finger
tights. Wiggle the blade guard (A) up and down 3-5
times, and then tighten the nuts (B) with the
combination spanner.
Carburetor
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.
Adjusting the idle speed
CAUTION! Contact your dealer/service
!
workshop, if the idle setting cannot be
adjusted so that the blades are
stationary. Do not use the machine until
it has been properly adjusted or repaired.
Start the engine and check the idling setting. When the
carburetor is set correctly the cutting blade should be still
while engine is idling.
• 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.
Rec. idle speed: 2700 rpm
MAINTENANCE
A
16"
B
T
Starter housing
WARNING! When the recoil spring is
!
wound up in the starter housing it is
under tension and can, if handled
carelessly, pop out and cause personal
injury.
Always be careful when changing the
recoil spring or the starter cord. Always
wear protective goggles.
Changing a broken or worn starter cord
• Loosen the screws that hold the starter against the
crankcase and remove the starter.
• Pull the cord out about 30 cm and lift it into the cut-out
in the periphery of the starter pulley. When the cord is
intact: Release the spring tension by letting the pulley
rotate slowly backwards.
• Remove any remnants of the old starter cord and
check that the return spring works. Insert the new
starter cord through the hole in the starter housing
and in the cord pulley.
• Secure the starter cord around the cord pulley as
illustrated. Tighten the fastening well and ensure that
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English 25