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4. Other
Check the petrol hose for correct mounting or leakage. Check that all the screws, nuts and other
parts sit tightly, especially handles and the bar. If you find any defects these must be dealt with
by a professional before the chain saw can be used again.
Periodic service
1. Cooling flange
The engine’s cooling flange must be kept clean from dirt and deposits
otherwise the engine can overheat. Check the cooling flange when
you take away the top cover and air filter. Blow clean with com-
pressed air or use a screwdriver. Make sure that cables and loose
parts lie correctly when assembling the top cover. Remember to
cover the opening of the carburettor so that dirt doesn’t get inside.
2. Fuel filter
Use a small metal hook and pull out the fuel filter through
the filling hole.
Pull the fuel filter apart and wash it with petrol or change
it if needed.
Note! Use a pair of tweezers or something similar to hold onto the
fuel hose when the filter is taken away. Make sure that no dust or
dirt is present in the fuel hose and fuel filter before assembling.
3. Oil can
Use a small metal hook and pull the filter out through the refill hole
and wash it with petrol. Make sure that the filter is placed in the
front right corner of the can when it is put back into the can.
Clean the inside of the can.
4. Spark plug
Clean the spark plug electrodes with a steel brush and set
the distance between electrodes to 0.65 mm.
Fuel filter
Oil filter
Figure 34
5. Sprocket
Check the sprocket for cracks or wear. Change if needed. Never use a new saw chain together
with a worn sprocket or vice versa.
Figure 31
Figure 32
Figure 33