hecht 925 R - Reducing the Limiting Foot

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PL
SK
DE
EN
CS
HU
Depth-gauge
setting
Top plate
ling angle
Top plate
cutting angle
File-guide angles
C Refer to the specification table for correct sharpening angles
The chain can be sharpened on the bar. However, it is necessary to adjust the chain tension first
and follow all safety precautions; particularly securing the engine against accidental start-up. For
example, disconnect the ignition cable from the spark plug.
• Mark (e.g. with a marker, piece of chalk) the first sharpened tooth.
• Push the file into the tooth so that approximately 20% of its cross section is above the edge
of the cutting edge.
• Always sharpen by just outward pulls.
• The file must form a sharpening angle in one axis and a horizontal angle in the other axis to
the chain (indicated by the chain producer).
• First sharpen the entire one side of the teeth and then the other.
• Sharpen the teeth at the same length.
Note: I We recommend using gauges and guides for the sharpening
REDUCING THE LIMITING FOOT
It is always done after checking as needed; usually after sharpening the chain.
The limiting foot, as the name shows, limits the insertion of the cutting link into the material. By
gradually decreasing the height of the cutting edge, it may happen that the foot will be higher
than the cutting link and the chain would thus cease to cut or cut badly. Therefore, it is necessary
to reduce the foot at the same time as reducing the cutting link.
The limiting foot is sharpened at the right angle with a flat file for the standard chain (fig. 14).
The reduction is made to the dimension specified by the chain producer. After reducing the tooth,
adjust the limiting tooth by rounding its lead-in edge to match it to the original shape.
Note: I
When reducing the limiting feet, protect the sharpened cutting edges by a gauge,
for example.
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