Stihl MS 171 Instruction Manual page 17

Felling cut with stabilizing strap (normal
tree)
A) Thin trunks
Implement this felling cut when the trunk
diameter is smaller than the cutting
length of the chainsaw.
1.
Shout a warning before starting the
felling cut.
Plunge cut the felling cut (E) –
N
plunge the guide bar fully in
Engage the spiked bumper behind
N
the hinge and use this as the
rotation point – reposition the
chainsaw as little as possible
Make the felling cut up to the
N
hinge (1)
Do not cut into the hinge
–
Make the felling cut up to the
N
stabilizing strap (2)
MS 171, MS 171 C, MS 181, MS 181 C, MS 211, MS 211 C
Do not cut into the stabilizing strap
–
2.
Set the felling wedge (3)
N
Shout a second warning immediately
before the tree falls.
Cut through the stabilizing strap,
N
horizontal level with the felling cut,
with arms fully extended
B) Thick trunks
Implement this felling cut when the trunk
diameter is greater than the cutting
length of the machine.
3.
Shout a warning before starting the
felling cut.
Engage the spiked bumper at the
N
height of the felling cut and use this
as the rotation point – reposition the
chainsaw as little as possible
Tip of the guide bar must penetrate
N
the wood before the hinge (1) –
guide the chainsaw absolutely
horizontally and swivel as widely as
possible
Make the felling cut up to the
N
hinge (2)
Do not cut into the hinge
–
Make the felling cut up to the
N
stabilizing strap (3)
Do not cut into the stabilizing strap
–
The felling cut must be continued on the
opposite side of the trunk.
Ensure that the second cut is at the
same level as the first cut.
English
1.
2.
3.
4.
5.
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