Stihl MS 290 Instruction Manual page 14

English
A
A Direction of fall
B Escape path (escape routes)
Establish escape paths for each
–
worker – approx. 45° diagonally
opposite to the direction of fall
Clear escape paths, eliminate
–
obstacles
Put down tools and equipment at a
–
safe distance – but not on the
escape paths
When felling, stand only to the side
–
of the falling trunk and only move
back laterally onto the escape path
Plan escape paths on slopes
–
parallel to the slope
When walking away along the
–
escape path, watch out for falling
limbs and watch the top of the tree.
12
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.
Carefully clear the base of the trunk
–
(e.g., with an axe) – sand, stones
45°
and other foreign objects will blunt
the saw chain
45°
Remove largest buttresses: first the
–
largest buttress – saw first vertically,
then horizontally – only if the tree is
in sound condition
Felling notch
Preparing the felling notch
C
C
The felling notch (C) determines the
direction of fall.
Important:
Make a felling notch at right angle to
–
direction of fall
Saw as close to the ground as
–
possible
Cut to a depth of approx. 1/5 to 1/3
–
of the diameter of the trunk
MS 290, MS 310, MS 390