15
MAINTENANCE
SHARPENING THE CHAIN SAW
WARNING. We advise you to have deep
or important sharpening carried out by a
s
ervice agent who is equipped with an
electric sharpener.
When the chain penetrates into wood with difficulty,
it needs to be sharpened as follows:
1. Put the chain under tension.
2. Fasten the bar in a vice so that the chain can
slide (Fig.27)
3. File with forward strokes only until all the worn
out parts of the cutting edge is removed.
4. Count the number of strokes given to the cutter
as a reference basis and file away the same
number of strokes on all other cutters.
5. If after sharpening a few times, the depth
gauge protrudes from the template, you must
reset its level using a flat file. (Fig.28)
6. Finally round off the depth gauge. (Fig.29)
GUIDE BAR
The guide bar is subjected to especially severe
wear and tear at the nose and the bottom. To avoid
one-sided wear and tear, turn the guide bar over
every time you sharpen the chain.
1. When you have finished working, clean out the
groove and the oil passages, with a special
scraping hook. (Fig.30).
2. Periodically trim the sides of the rails using a
flat file. If not done in the long run the
“feathered edges” might break away and
damage the bar. (Fig.31)
Fig. 28
Fig. 29
Fig. 30
Fig. 31
Fig. 27
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