English
Buttress roots
Conventional cut
Open-face technique
C
If the tree has large buttress roots, cut
into the largest buttress vertically first
(horizontally next) and remove the
resulting piece.
C
Gunning sight
Felling notch (C) – determines the
direction of the fall
Felling notch (C) – determines the
direction of the fall
For a conventional cut:
For an open-face cut:
N
Properly place felling notch
perpendicular to the line of fall,
close to the ground.
N
Properly place felling notch
perpendicular to the line of fall,
close to the ground.
When making the felling notch, use the
gunning sight on the shroud and housing
to check the desired direction of fall:
N
Cut down at approx. 45° angle to a
depth of about 1/5 to 1/4 of the trunk
diameter.
N
Cut down at approx. 50° angle to a
depth of approx.1/5 to 1/4 of the
trunk diameter.
Position the saw so that the gunning
sight points exactly in the direction you
want the tree to fall.
N
N
Make second cut horizontal.
Remove resulting 45° piece.
N
N
Make second cut from below at
approx. 40 degree angle.
Remove resulting 90° piece.
MS 311, MS 391
17
| Categories | Chainsaw Manuals, STIHL Chainsaw Manuals |
|---|---|
| Tags | STIHL MS 311, STIHL MS 391 |
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| Language | English, Español |
| Product Brand | STIHL. Stihl Inc, USA - Corporate phone: (757) 486-9100. International Support Information: http://stihl.com Email: info@stihl.com, Chainsaw |
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| Publisher | stihl.com |
| Wikipedia's Page | Stihl |
| Copyright | Attribution Non-commercial |
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