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9. Maintenance
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 powder-like.
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.
WARNING
MA1
MA4
MA3
MA2