Limbing; Felling - Stihl MSA 120 C Instruction Manual

12 Operating the Saw
► Engage the bumper spike and use it as a fulcrum.
► Guide the full width of the bar into the wood and reposition
the bumper spike as required.
► Take the weight of the saw at the end of the cut.

12.2 Limbing

► Support the saw on the log.
► 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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► 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.

12.3 Felling

12.3.1 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.
– If the escape path (B) is on a slope, it must be parallel
to the slope.
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