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Husqvarna 327LDX-series Operator's Manual

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MAINTENANCE

English – 19

Low speed jet L

Try to find the highest idle speed by turning the low speed

jet L clockwise then anti-clockwise. When the highest

speed has been found, turn the low speed jet L 1/4 turn

anti-clockwise.

CAUTION! If the cutting attachment rotates when the

engine is idling the idle adjustment screw T should be

turned anti-clockwise until the cutting attachment stops.

Fine adjustment of the idle speed T

Adjust the idle speed using the idle adjustment screw T, if

it is necessary to readjust. First turn the idle adjustment

screw T clockwise until the cutting attachment starts to

rotate. Then turn the screw anticlockwise until the cutting

attachment stops. The idle speed is correctly adjusted

when the engine will run smoothly in every position. The

idle speed should also be well below the speed at which

the cutting attachment starts to rotate.

High speed jet H

The high speed jet H affects the engine power, speed,

temperature and fuel consumption. If the high speed jet H

is set too lean (screwed in too far) the engine speed will

be too high and cause engine damage. Do not let the

engine run at full speed for more than 10 seconds.

Apply full throttle and turn the high speed jet H very slowly

clockwise until the engine slows down. Then turn the high

speed jet H very slowly anticlockwise until the engine

starts to run unevenly. Now turn the high speed jet H

slowly clockwise a little way until the engine runs

smoothly.

Note that the engine should not be under load when you

adjust the high speed jet H. You should therefore remove

the cutting attachment, nut, support flange and drive disc

before adjusting the high speed jet H.

The high speed jet H is adjusted correctly when the

machine burbles a little. If the machine races then the

setting is too lean. If the engine produces a lot of smoke

and burbles a lot then the setting is too rich.

CAUTION! For optimum adjustment of the carburettor,

contact a qualified dealer/service workshop that has a

revolution counter at their disposal.

Correctly adjusted carburettor

When the carburettor 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.

!

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.

H