Stihl MS 170 Manual De Instrucciones página 21

English / USA
C
C
Conventional cut
C = felling notch - determines the
direction of the fall
For a conventional cut:
: Properly place felling notch
perpendicular to the line of fall,
close to the ground.
: Cut down at approx. 45-degree
angle to a depth of about 1/5 to 1/4
of the trunk diameter.
: Make second cut horizontal.
: Remove resulting 45-degree piece.
20
Open-face technique
C = felling notch - determines the
direction of the fall
For an open-face cut:
: Properly place felling notch
perpendicular to the line of fall,
close to the ground.
: Cut down at approx. 50-degree
angle to a depth of approx.1/5 to
1/4 of the trunk diameter.
: Make second cut from below at
approx. 40 degree angle.
: Remove resulting 90-degree piece.
Making sapwood cuts
: For medium sized or larger trees
make cuts at both sides of the trunk,
at same height as subsequent
felling cut.
: Cut to no more than width of guide
bar.
This is especially important in softwood
in summer - it helps prevent sapwood
splintering when the tree falls.
MS 170, MS 180, MS 180 C