EN
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piston to the lowest position by pulling recoil starter slowly
3
Prepare a 2 to 23 mm diameter drill bit
4
Lay down the engine facing the valve mounting hole downward so that the removed carbon
will not drop into cylinder
5
Use the drill bit to scrape off the deposits Rotate it very slowly
6
Make sure to remove the drill bit and pull recoil starter several times
7
Reinstall the dismantled parts
NOTE:
Only use spare parts specified in this manual Using other spare parts can cause serious injury
Sharpening the saw chain’s cutters
WARNING
• Be sure to wear safety gloves
• Be sure to round off the front edge to reduce the chance of kickback or chain break
NOTE:
• It is very important for smooth and safe operation to always keep the cutters sharp
• Use a round file of proper size to sharpen the chain
• The saw blades need to be sharpened when:
– sawdust becomes powder-like
– you need extra force to saw
– it is difficult to make a straight cut
– vibration increases
1
Spark plug
2
Cylinder
3
Decompression valve
(if applicable)
1
2
3
