Manual Husqvarna 435 II (page 27 of 402) (English, German, Dutch, Danish, French, Italian, Portuguese, Swedish, Spanish, Norwegian, Finnish)

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MAINTENANCE

English – 27

1155355-38 Rev.3 2014-11-24

Tensioning the recoil spring

• Hook the starter cord in the notch in the pulley and

turn the starter pulley about 2 turns clockwise.

Note! Check that the pulley can be turned at least a

further 1/2 turn when the starter cord is pulled all the

way out. (109)

Stretch the line with the handle. Move your thumb and

release the line. See the ﬁgure below. (110)

Replacing the return and drive springs

Recoil spring (A)

• Lift up the starter pulley. See instructions under the

heading Changing a broken or worn starter cord.

Remember that the recoil spring is coiled under

tension in the starter housing.

• Remove the cassette with the recoil spring from the

starter.

• Lubricate the recoil spring with light oil. Fit the

cassette with recoil spring in the starter. Fit the starter

pulley and tension the recoil spring.

Drive disc spring (B)

• Undo the bolt in the centre of the pulley and remove

the drive disc and the drive disc spring.

• Replace the drive disc spring and ﬁt the drive disc

above the spring. (111)

Fitting the starter

• To ﬁt the starter, ﬁrst pull out the starter cord and place

the starter in position against the crankcase. Then

slowly release the starter cord so that the pulley

engages with the pawls.

• Fit and tighten the screws that hold the starter.

Air ﬁlter

The air ﬁlter must be regularly cleaned to remove dust and

dirt in order to avoid:

• Carburettor malfunctions

• Starting problems

• Loss of engine power

• Unnecessary wear to engine parts.

• Excessive fuel consumption.

• Remove the air ﬁlter after taking off the air ﬁlter cover.

When reﬁtting make sure that the air ﬁlter seals tightly

against the ﬁlter holder. Clean the ﬁlter by brushing or

shaking it. (112)

The ﬁlter can be cleaned more thoroughly by washing it in

water and detergent.

An air ﬁlter that has been in use for a long time cannot be

cleaned completely. The ﬁlter must therefore be replaced

with a new one at regular intervals. A damaged air ﬁlter

must always be replaced.

A HUSQVARNA chain saw can be equipped with different

types of air ﬁlter according to working conditions, weather,

season, etc. Contact your dealer for advice.

Spark plug

The spark plug condition is inﬂuenced by:

• Incorrect carburettor adjustment.

• An incorrect fuel mixture (too much or incorrect type of

oil).

• A dirty air ﬁlter.

These factors cause deposits on the spark plug

electrodes, which may result in operating problems and

starting difﬁculties.

If the machine is low on power, difﬁcult to start or runs

poorly at idle speed: always check the spark plug ﬁrst

before taking any further action. If the spark plug is dirty,

clean it and check that the electrode gap is 0,5 mm. The

spark plug should be replaced after about a month in

operation or earlier if necessary. (113)

Note! Always use the recommended spark plug type! Use

of the wrong spark plug can damage the piston/cylinder.

Check that the spark plug is ﬁtted with a suppressor.

Needle bearing lubrication

The clutch drum has a needle bearing on the output shaft.

This needle bearing must be lubricated regularly.

When lubricating, remove the clutch cover by loosening

the two bar nuts. Lay the saw on its side with the clutch

drum upwards.

Lubrication involves engine oil dripping into the centre of

the clutch drum as it rotates. (114)

Cooling system

To keep the working temperature as low as possible the

machine is equipped with a cooling system.

The cooling system consists of:

1 Air intake on the starter.

2 Air guide plate.

3 Fins on the ﬂywheel.

4 Cooling ﬁns on the cylinder.

5 Cylinder cover (directs cold air over the cylinder).

(115)

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Husqvarna 435 II Manual

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