8. Maintenance (Fig. 14-20)
8.1 Chain Sharpening
When the chain penetrates into wood with difficultly, it needs sharpening as follows:
* Put the chain under tension.
* Fasten the bar in a vice so that the chain can slide.
* Fasten the file to the file holder and place it on cutter at a 35º angle.
* File with forward strokes only until all the worn out part of the cutting edge is taken away.
* Count the number of strokes given to the cutter taken as a reference basis and file away for the same number of
strokes on all other cutters.
* If after sharpening a few times, the depth gauge protrudes from the template, you must reset its level use a flat
file.
* Finally, round off the depth gauge.
NOTE: We advise you to have the deep or important Sharpening carried out by a service agent who is equipped
with electric sharpener.
8.2 GUIDE BAR MAINTENANCE
* Remove the battery / disconnect from power control head. Always wear protective gloves.
* When you have finished working, clean out the groove and the oil passages, with a scraping hook.
* Periodically trim the sides of rails using a flat file.
* If not done in the long run, the “featheredges” might break away and damage the bar.
* If one rail is higher than the other one, it is necessary to make it even with a flat file and then smooth them with a
file or fine grain abrasive paper.
8.3 Filling in the chain oil
To prevent dirt getting inside the tank, clean the oil tank cap before opening. Check the contents of the oil tank
during sawing work by checking the oil gauge. Close the oil tank cap tightly and wipe away any spills.
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