Stihl MSA 160 C Instruction Manual page 46

English
► Engage the bumper spike and use it as a ful‐
crum.
► 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.
11.3 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.
1
2
► If the limb is under tension: Make the relieving
cut (1) at the compression side and then per‐
form bucking cut (2) from the tension side.
11.4 Felling
11.4.1 Determining direction of fall and
escape path
► Determine direction of fall so that the area in
which the tree falls is clear.
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► Observe the following points when planning
escape path (B):
– Escape path (B) at an angle of 45° to direc‐
– 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
11.4.2
► Remove obstacles from work area at tree
base.
► Remove growth from tree base.
► If the tree has large, healthy buttress roots:
Make vertical cut first and then a horizontal
cut, and remove the resulting piece.
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11.4.3
1
C Felling notch
D Hinge
tion of fall (A).
be parallel to the slope.
Preparing work area at base of tree
Basic information on felling cut
C
The felling notch determines the direction of
fall.
The hinge helps control the falling tree. The
width of the hinge is 1/10 of the trunk diame‐
ter.
11 Operating the Saw
C E
1/10
Ø
G
0458-701-9821-G