Stihl MSA 60.0 C Instruction Manual page 55

12 Operating the Saw
► Guide the full width of the guide bar into the
wood and reposition the spiked bumper as
required.
► Pick up the weight of the chainsaw at the end
of the cut.
For optimum performance, observe the recom‐
mended temperature ranges,
12.3 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.
1
2
► 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.
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):
0458-022-9801-A
20.8.
12.4.2
► Remove obstacles from work area at tree
► Remove growth from tree base.
► If the tree has large, healthy buttress roots:
12.4.3
The felling notch determines the direction in
which the tree falls. Country-specific standards
2
for making the felling notch must be observed.
1
► Position the saw so that the felling notch is an
► Make the horizontal cut.
► Make the angle cut at 45° to the horizontal cut.
– Escape path (B) at an angle of 45° to direc‐
tion 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.
Preparing work area at base of tree
base.
Make vertical cut first and then a horizontal
cut, and remove the resulting piece.
Cutting the felling notch
right angles to the direction of fall and the saw
is close to the ground.
English
90°
55