9. Maintenance
MA1
MA2
MA3
MA4
Maintenance, replacement, or repair of the emission control device and systems may be performed by any
WARNING
Make sure to stop the engine before inspecting and/or servicing the unit.
■DAILY MAINTENANCE
SAW CHAIN
It is one of the essential factors for smooth and safe operation to keep the cutters always in good condition. It’s time to reform the cutters when;
1.Sawdust has become
2.You need extra force to saw in.
3.The cutaway tends to curve by itself.
4.The unit vibrates abnormally when sawing.
5.Fuel consumption has increased.
REFORMING CUTTER
1.Wear work gloves.
2.Use 5/32 inch (3.9mm) round file.
3.Hold the guide bar and the saw chain firmly.
4.Place the file on the cutter and push straight forward while keeping the file angles and the height as shown in the picture.
5.Make sure that every cutter has the same length and the edge angles as shown in the picture.
6.After every cutter has been set, check the depth gauge and file it to the proper level as necessary. Do not file off beyond the specified level, or the cutting edge can be damaged very quickly.
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