Stihl MS 251 C-Q Instruction Manual page 15

Preparing work area at base of tree
First clear the tree base and work
–
area from interfering limbs and
brush to provide a secure footing.
Clean lower portion of tree base
–
(e.g. with an axe) – sand, stones
and other foreign objects will dull the
saw chain.
Make the vertical cut first, then the
–
horizontal – but only if the wood is
sound
MS 251 C-Q
Felling Notch
Preparing felling notch
C
C
The felling notch (C) determines the
direction of fall.
Important:
Make felling notch at a right angle to
–
the planned direction of fall.
Cut close to the ground.
–
Cut to a depth of about 1/5 to 1/3 of
–
the trunk diameter.
Determine direction of fall with gunning
sight on shroud and fan housing
Your chainsaw has a gunning sight on
the shroud and fan housing. Use this
gunning sight.
Making Felling Notch
Position the saw so that the felling notch
is at a right angle to the direction you
want the tree to fall.
The sequence in which the felling notch
is made with a horizontal cut (bottom)
and angled cut (top) is defined in
country-specific regulations.
Make horizontal cut (bottom)
N
Make the angled cut (top) at about
N
45°- 60° to the horizontal cut.
English
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