Spark Plug; Adjustment Of The Oil Pump; Cooling System - Husqvarna T525 Operator's Manual

against the filter holder. Clean the air 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 chainsaw can be equipped with different
types of air filter 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 0,5 mm. The
spark plug should be replaced after about a month in
operation or earlier if necessary.
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MAINTENANCE
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.

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.
!

Cooling system

To keep the working temperature as low as possible the
machine is equipped with a cooling system.
The cooling system consists of:
1 Air intake on the starter.
2 Air guide plate.
3 Fins on the flywheel.
4 Clutch cover
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.
WARNING! The engine must not be
running when making adjustments.