Stihl 020 T Instruction Manual - Page 67
Escape path, Buttress roots, Gunning sight
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English / USA B 45° A 45° B 001BA040 KN 001BA041 KN 001BA019 KN Escape path First clear the tree base and work area from interfering limbs and brush and clean its lower portion with an ax. Then, establish two paths of escape (B) and remove all obstacles. These paths should be generally opposite to the planned direction of the fall of the tree (A) and about at a 45° angle. Place all tools and equipment a safe distance away from the tree, but not on the escape paths. Buttress roots If the tree has large buttress roots, cut into the largest buttress vertically first (horizontally next) and remove the resulting piece. Gunning sight When making the felling notch, use the gunning sight on the shroud and housing to check the required direction of fall: : Position the saw so that the gunning sight points exactly in the direction you want the tree to fall. Chainsaw Safety Manual 19