Husqvarna 1153181-95 用户手册

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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 filters according to working conditions, 
weather, season, etc. Contact your dealer for advice.
Spark plug
The spark plug condition is influenced by:
Incorrect carburetor 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 0.020 inch (0.5 
mm). The spark plug should be replaced after about a 
month in operation or earlier if necessary.
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.
Lubricating the bar tip sprocket
Lubricate the bar tip sprocket each time you refuel. Use 
the special grease gun and a good quality bearing grease.
Needle bearing lubrication
The clutch drum has a needle bearing on the output shaft. 
This needle bearing must be lubricated regularly (once a 
week).
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.