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• Husqvarna 326HS75 Operator's Manual

Husqvarna 326HS75 Operator's Manual

Download Operator's manual of Husqvarna 325HS75 Brush Cutter, Trimmer for Free or View it Online on All-Guides.com. This version of Husqvarna 325HS75 Manual compatible with such list of devices, as: 325HS75, 325HS99, 326HS75, 326HS99

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16 – English

MAINTENANCE

Cooling system

To maintain as low opera-

ting temperature as possible

the engine is equipped with

a cooling system.

The cooling system consists

of:

1. An air intake on the

starter unit.

2. Cooling fins on the

flywheel.

3. Cooling fins on the

cylinder

4. Cylinder cover (leads

cold air onto the cylin-

der).

Clean the cooling system

using a brush at least once a

week, in difficult conditions

more often.

A dirty or blocked cooling system leads to the engine

overheating resulting in damage to the cylinder and piston.

Muffler

NOTE!

Some mufflers are fitted with a catalytic converter. See

“Technical data” to see whether you clearing saw is fitted with a

catalytic converter.

The muffler is designed to

dampen the noise level and

to direct the exhaust fumes

away from the user. The

exhaust fumes are hot and

can contain sparks, which

can result in fire if the

exhaust fumes are directed

towards a dry and

inflammable material. Some

mufflers are equipped with a

special spark arrest screen. If

your machine is fitted with

this type of screen it should

be cleaned regularly. This is

done using 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

cleaned monthly. If the

screen is damaged it should

be replaced. If the screen is

frequently blocked, this can

be a sign that the function of

the catalytic converter is

impaired. Contact your

dealer to inspect the muffler.

A blocked screen will cause

the engine to overheat

resulting in damage to the

cylinder and piston. Also see

under “Maintenance”.

NOTE!

Never use a machine with a

defective muffler.

WARNING!

Mufflers fitted with catalytic converters

become extremely hot during use and

after stopping. This also applies at idling

speeds. Contact can result in burns to

the skin. Be observant to the risk of fire!

!

Spark plug

The condition of the spark plug is affected by:

• An incorrect carburetor setting.

• An incorrect fuel mixture (too much or faulty oil).

• A dirty air filter.

These factors cause deposits on the spark plug electrode that

may result in malfunction or starting difficulties.

If the machine is low on

power, difficult to start or

runs poorly while idling

always check the spark plug

first before taking other

action.

If the spark plug is dirty,

clean it and at the same time

check that the electrode gap

is 0.5 mm. The spark plug

should be changed after

about one month of

operation or earlier if

necessary.

NOTE! Always use the

recommended type of spark

plug. An incorrect spark

plug can damage the

cylinder/piston.

0,5 mm

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