STIHL E20 Chainsaw Owners Manual

english / USA
B
B
Open-face technique
Making sapwood cuts
B = Felling cut
Conventional and open-face technique:
A = felling notch - determines the
:
:
:
For medium sized or larger trees
make cuts at both sides of the trunk,
at same height as subsequent
felling cut
direction of the fall
:
:
:
:
Begin 1 to 2 inches (2,5 to 5 cm)
higher than centre of felling notch
Cut horizontally towards the felling
notch
For an open-face cut:
:
Properly place felling notch
perpendicular to the line of fall,
close to the ground
Cut to no more than width of guide
bar
Leave approx.1/10 of diameter
uncut. This is the hinge
This is especially important in
softwood in summer - it helps
prevent sapwood splintering when
the tree falls.
:
Cut down at app. 50-degree angle
to a depth of app.1/5 to 1/4 of the
trunk diameter
Do not cut through the hinge - you
could lose control of the direction of
the fall
:
:
Make second cut from below at app.
40
degree angle
Drive wedges into the felling cut where
Remove resulting 90-degree piece
necessary to control the fall.
!
Warning!
If the tip of the bar contacts a wedge, it
may cause kickback. Wedges should be
of wood or plastic - never steel, which
can damage the chain.
18
Product Specification
CategoriesChainsaw Manuals, STIHL Chainsaw Manuals
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- 40 pages
LanguageEnglish
Product BrandSTIHL. Stihl Inc, USA - Corporate phone: (757) 486-9100. International Support Information: http://stihl.com Email: info@stihl.com, Chainsaw
Document File TypePDF
Publisherstihl.com
Wikipedia's PageStihl
CopyrightAttribution Non-commercial
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