Husqvarna T540 XP II Owner Manual - Page 40

Spark plug, Needle bearing lubrication, Adjustment of the oil pump

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MAINTENANCE against the filter holder. Clean the filter by brushing or shaking it. 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 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. 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 bar nut. Lay the saw on its side with the clutch drum upwards. Lubrication involves grease being squirted into the centre of the crankshaft using a grease gun. A HUSQVARNA chain saw can be equipped with different types of air filters according to working conditions, weather, season, etc. Contact your servicing dealer for advice. Spark plug Adjustment of the oil pump The spark plug condition is influenced by: • 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. The oil pump is adjustable. Adjustments are made by turning the screw with a screwdriver. Turning the screw clockwise will increase the oil flow, turning it anticlockwise will reduce the oil flow. The oil tank should become nearly empty by time fuel is used up. Be sure to refill the oil tank every time when refueling the saw. WARNING! The engine must be stopped ! when making adjustments. 40 - English

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MAINTENANCE
40 – English
against the filter holder. Clean the filter by brushing or
shaking it.
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 servicing dealer for
advice.
Spark plug
The spark plug condition is influenced by:
•
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.
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 bar nut. Lay the saw on its side with the clutch drum
upwards.
Lubrication involves grease being squirted into the centre
of the crankshaft using a grease gun.
Adjustment of the oil pump
The oil pump is adjustable. Adjustments are made by
turning the screw with a screwdriver. Turning the screw
clockwise will increase the oil flow, turning it anticlockwise
will reduce the oil flow.
The oil tank should become nearly empty by time fuel is
used up. Be sure to refill the oil tank every time when
refueling the saw.
!
WARNING! The engine must be stopped
when making adjustments.