Husqvarna 241R Workshop Manual page 29

3
Idling speed T-screw
Let the engine idle for about 30 seconds or until the speed has
stabilised. Adjust the adjuster screw for the idle speed until the
engine runs in idle (2,800 - 3,100 rpm) without stopping.
• Turn the screw clockwise if the engine stops.
• Turn the screw anticlockwise to lower the speed.
NOTE!
If the cutting equipment rotates while idling the T-screw
should be turned anticlockwise until it stops.
28
Fuel system
Correctly adjusted carburettor
A correctly adjusted carburettor means that the engine accele-
rates without hesitation and it four-strokes a little at full throttle.
• The cutting equipment must not rotate while idling.
• A too lean adjusted L-needle can cause starting diffi culties
and poor acceleration.
• A too lean adjusted H-needle results in lower power, poor
acceleration and/or damage to the engine.
• A too rich setting of the "L" and "H" needles give
acceleration problems or a too low working speed.
NOTE!
A tachometer should always be used to fi nd the
optimal setting.