Husqvarna 580BFS Owners Manual - Page 20

Maintenance

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MAINTENANCE General Remove the ignition cable and the spark plug to carry out inspection and maintenance. Keep all parts of your body away from hot surfaces. Carburetor CAUTION! Never use a machine with a defective muffler. Check regularly that the muffler is complete and secured correctly. (1,2) Tighten the screws. 8-10Nm 1 Adjustment of the idle speed Before any adjustments are made, make sure that the air filter is clean and the air filter cover is fitted. The factory idle speed setting is 2,000 rpm. Use the adjustment screw at the upper edge of the carburettor if the idle speed has to be adjusted. Muffler 2 Check that the spark arrester and the exhaust duct are screwed in place correctly (5). Tighten to 2-3 Nm. 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. The muffler is equipped with a special spark arrestor screen. The spark arrestor screen should be cleaned once a month. This is best done with a wire brush. WARNING! The muffler gets very hot ! during use and remain so for some time after stopping. This also applies at idle speed. Contact can result in burns to the skin. Remember the risk of fire! Cooling system 3 4 5 To remove the spark arrestor screen proceed as follows: • Remove the exhaust duct (4). • Remove the spark arrester (3). • Pull out the spark arrestor screen and clean using a wire brush. Replace the spark arrestor screen if it is defective. To keep the working temperature as low as possible the machine is equipped with a cooling system. The cooling system consists of: • Cooling fins on the cylinder. • Air intake screen Clean the cooling system with a brush once a week, more often in demanding conditions. A dirty or blocked cooling system results in the machine overheating which causes damage to the piston and cylinder. Check that the nozzles are not blocked. 20 - English 1154432-49 Rev. 1 2011-06-28

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MAINTENANCE
20 – English
1154432-49 Rev. 1 2011-06-28
General
Remove the ignition cable and the spark plug to carry out
inspection and maintenance. Keep all parts of your body
away from hot surfaces.
Carburetor
Adjustment of the idle speed
Before any adjustments are made, make sure that the air
filter is clean and the air filter cover is fitted.
The factory idle speed setting is 2,000 rpm.
Use the
adjustment screw at the upper edge of the carburettor if
the idle speed has to be adjusted.
Muffler
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.
The muffler is equipped with a special spark arrestor
screen. The spark arrestor screen should be cleaned
once a month. This is best done with a wire brush.
To remove the spark arrestor screen proceed as follows:
•
Remove the exhaust duct (4).
•
Remove the spark arrester (3).
•
Pull out the spark arrestor screen and clean using a
wire brush. Replace the spark arrestor screen if it is
defective.
CAUTION!
Never use a machine with a defective muffler.
Check regularly that the muffler is complete and secured
correctly. (1,2) Tighten the screws. 8-10Nm
Check that the spark arrester and the exhaust duct are
screwed in place correctly (5). Tighten to 2-3 Nm.
Cooling system
To keep the working temperature as low as possible the
machine is equipped with a cooling system.
The cooling system consists of:
•
Cooling fins on the cylinder.
•
Air intake screen
Clean the cooling system with a brush once a week, more
often in demanding conditions. A dirty or blocked cooling
system results in the machine overheating which causes
damage to the piston and cylinder. Check that the nozzles
are not blocked.
3
4
5
!
WARNING! The muffler gets very hot
during use and remain so for some time
after stopping. This also applies at idle
speed. Contact can result in burns to the
skin. Remember the risk of fire!
1
2