Stihl MSA 220 C Instruction Manual page 49

13 Operating the Saw
13.2 Sawing
WARNING
■ If kickback occurs, the chainsaw can be
thrown up in the direction of the operator. This
may result in serious or fatal injury to the user.
► Always cut with the chain running at full
speed.
► Do not cut with the upper quadrant of the
guide bar nose.
► Begin the cut with the chain running at full
speed and keep the guide bar vertical.
► Engage the spiked bumper and use it as a ful‐
crum.
► Guide the full width of the guide bar into the
wood and reposition the spiked bumper as
required.
► Take the weight of the chainsaw at the end of
the cut.
13.3 Delimbing
► Support the chainsaw on the log.
► With the chain running at full speed, pivot the
guide bar downward against the limb.
► Cut through the limb with the top of the guide
bar.
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2
0458-795-9821-B
► If the limb is under tension: Make the relieving
cut (1) into the compression side and then per‐
form the bucking cut (2) from the tension side.
13.4
13.4.1
► 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 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
13.4.2
► 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.
2
1
Felling
Determining direction of fall and
escape path
tion of fall (A).
be parallel to the slope.
Preparing work area at base of tree
English
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