Husqvarna 335LX Manuel D’Utilisation

32 – English

smoothly. (Burbling has stopped completely). Now screw 
the H-needle (anti-clockwise) a few tenths of a turn.

CAUTION!  For optimum adjustment of the carburettor, 
contact a qualified dealer/service workshop that has a 
revolution counter at their disposal. 

When the carburetor is correctly adjusted the machine will 
accelerate without hesitation and burble a little at 
maximum speed. It is also important that the cutting 
attachment does not rotate at idle. If the low speed jet L is 
set too lean it may cause starting difficulties and poor 
acceleration. If the high speed jet H is set too lean it will 
result in less power, less performance, poor acceleration 
and/or damage to the engine. If both the L and H jets are 
set too rich it will results in acceleration problems or too 
low a working speed.

The correct start throttle speed is set by means of an 
adjuster on the rear of the handle next to the cable. Use 
this screw (5 mm Allen screw) to increase or decrease the 
start throttle speed.

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 the adjuster screw A clockwise until the cutting 
attachment starts to rotate. Then turn A clockwise a 
further 1/2 turn.

4

If the start throttle speed is too high, turn the adjuster 
screw A anticlockwise until the cutting attachment 
stops. Then turn adjuster screw A clockwise a further 
1/2 turn.

CAUTION!  Some mufflers are fitted with a catalytic 
converter. See chapter on Technical data to see whether 
your machine is fitted with a catalytic converter.

The muffler is designed to reduce the noise level and to 
direct the exhaust gases away from the operator. The 
exhaust gases are hot and can contain sparks, which may 
cause fire if directed against dry and combustible 
material.

Some mufflers are equipped with a special spark arrestor 
screen. If your machine has this type of muffler, you 
should clean the screen at least once a week. This is best 
done with a wire brush.

On mufflers without a catalytic converter the screen 
should be cleaned weekly, or replaced if necessary. On 
mufflers fitted with a catalytic converter the screen should 
be checked, and if necessary cleaned, monthly. If the 
screen is damaged it should be replaced.

If the screen is frequently blocked, this can be a sign that 
the performance of the catalytic converter is impaired. 
Contact your dealer to inspect the muffler. A blocked 
screen will cause the machine to overheat and result in 
damage to the cylinder and piston.

CAUTION!  Never use a machine with a defective muffler.

To keep the working temperature as low as possible the 
machine is equipped with a cooling system.

H