Stihl MSA 220 C Manual De Instrucciones página 51

13 Operating the Saw
1
1 Normal tree
A normal tree is vertical and has an even
crown.
2 Leaner
A leaner stands at an angle and the crown
faces in the direction of fall.
13.4.7 Felling normal, small diameter tree
A normal tree is felled with a felling cut and stabi‐
lizing strap. This felling cut must be performed if
the tree diameter is less than the guide bar's
length.
► Shout a warning.
► Plunge the guide bar into the felling cut until it
is visible at the other side of the trunk,
13.4.5.
► Apply the spiked bumper behind the hinge and
use it as a pivot.
► Enlarge felling cut in direction of hinge.
► Enlarge felling cut in direction of stabilizing
strap.
► Insert a felling wedge. The felling wedge must
match the tree diameter and the width of the
felling cut.
► Shout a warning.
0458-795-9821-B
► With outstretched arms, cut through the stabi‐
lizing strap horizontally from outside at the
same level as the felling cut.
The tree falls.
13.4.8
A normal tree is felled with a felling cut and stabi‐
2
lizing strap. This felling cut must be performed if
the tree diameter is greater than the guide bar's
length.
► Shout a warning.
► Apply the spiked bumper at the same height
as the felling cut and use it as a pivot.
► Hold the saw horizontally and swing it into the
felling cut as far as possible.
► Enlarge felling cut in direction of hinge.
1.
► Enlarge felling cut in direction of stabilizing
2.
strap.
► Move to the other side of the tree.
► Plunge the guide bar into the felling cut at the
same height.
► Enlarge felling cut in direction of hinge.
► Enlarge felling cut in direction of stabilizing
strap.
3
► Insert a felling wedge. The felling wedge must
match the tree diameter and the width of the
felling cut.
► Shout a warning.
► With outstretched arms, cut through the stabi‐
lizing strap horizontally from outside at the
same level as the felling cut.
The tree falls.
Felling normal, large diameter tree
1
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3
English
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