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 getting out of the way, watch
–
out for falling branches and the
crown area
12
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Preparing the work area at the trunk
Clear the work area at the trunk of
–
branches, brush and other
obstacles – secure footing for all
workers
Carefully clear the base of the trunk
–
45°
(e.g., with an axe) – sand, stones
and other foreign objects will blunt
the saw chain
45°
Remove large buttresses: remove
–
the largest buttress first – 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
Specify the direction of fall – without the
gunning sight on the shroud and fan
housing
If the chain saw is designed without the
gunning sight on the shroud and fan
housing, the direction of fall can be
determined or controlled using a meter
stick:
MS 150 C