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Check the chain for cracks in the links and damaged rivets.
Replace any damaged or worn parts of the chain and match the new parts to the s
hape and
size of the original partsbyfiling back as necessary.
It is necessary to comply with the angles and dimensionsspecified below. If the saw chain is
i
n-correctly sharpened if the depth gauges are too low – there is an increased risk of
kickback
an
d resulting injury!
Th
e pruner’s saw chain cannot be locked in place on the guide bar. Therefore, it i
s best to
r
emove the chain from the bar and resharpen it on a workshopsharpening tool.
Select the appropriate sharpening tools for the chain pitch.
Thechain pitch (e.g. 3/8“) is marked on the depth gauge of each cutter.
Use only special saw chain files!
Otherfiles have the wrongshape and cut.
Select the file diameter according to the chain pitch.
You must also observe the following angles when re-sharpening the chain cutters.
A=Filing angle
B = Side plate angle
Furthermore, the angles must be the same on all cutters. If angles are uneven the chai
n will run
roughly, not in a straight line,wear quickly and break prematurely.
As these requirements can be met only after sufficient andconstant practice:
Useafile holder
Afile holder must be used for manual resharpening of saw chain. The correct filing angles are
marked on the file holder.
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