Husqvarna IZ 21 Manuel D’Utilisation

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MAINTENANCE
Cyclon air filter maintenance
If the engine seems weak or runs unevenly, 
the air filter may be clogged. If running with a 
soiled air filter, the spark plugs can obtain a 
coating that disrupts operation.
For this reason, it is important to replace the air 
filter regularly (see the heading Maintenance 
Schedule for the proper service interval).
Cleaning/replacing the air filter is carried out 
as follows:
Dust cap
Check the dust cap every day by pressing the 
rubber valve with two fingers to let out the 
dirt.  
Clean the dust cap by removing the end cover 
of the the air cleaner and clean the inside.
WARNING!
The engine and the exhaust 
system become very hot during 
operation.
Risk for burns if touched.
Allow engine and exhaust 
system to cool at least two (2) 
minutes before refueling
IMPORTANT INFORMATION
Do not used compressed air to clean the 
air filter.
Do not wash the paper filter.
Do not oil the paper filter.
8011-447
Pressing the rubber valve
IMPORTANT INFORMATION
The end cover must be installed with the 
rubber valve pointing downwards, 
otherwise the rubber valve will not 
function.
8011-448
Removing the end cover