Felling - Stihl MSA 120 C Notice D'emploi

12 Operating the Saw
► With the chain running a full speed, pivot the bar upwards
against the limb.
► Cut through the limb with the top of the bar.
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2
► If the limb is under tension: Make the relieving cut (1) at
the compression side and then perform bucking cut (2)
from the tension side.

12.4 Felling

12.4.1 Determining direction of fall and escape path
► Determine direction of fall so that the area in which the
tree falls is clear.
► Observe the following points when planning escape path
(B):
– Escape path (B) at an angle of 45° to direction of fall (A).
– No obstacles on the escape path (B).
– The top of the tree can be observed.
0458-716-9621-B
– If the escape path (B) is on a slope, it must be parallel
to the slope.
12.4.2 Preparing work area at base of tree
► Remove obstacles from work area at tree base.
► Remove growth from tree base.
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► If the tree has large, healthy buttress roots: Make vertical
cut first and then a horizontal cut, and remove the
resulting piece.
12.4.3 Cutting the felling notch
The felling notch determines the direction in which the tree
falls. Country-specific standards for making the felling notch
must be observed.
► Position the saw so that the felling notch is an right angles
to the direction of fall and the saw is close to the ground.
► Make the horizontal cut.
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