English

Escape Path

B

45°

A

45°

B

KN

 

001BA040

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

001BA146 KN

If the tree has large buttress roots, cut into the largest buttress vertically first (horizontally next) and remove the resulting piece.

Gunning Sight

001BA153 KN

When making the felling notch, use the gunning sight on the shroud and housing to check the desired direction of fall:

Position the saw so that the gunning sight points exactly in the direction you want the tree to fall.

Conventional Cut

C

C

001BA143 KN

Felling notch (C) – determines the direction of the fall

For a conventional cut:

NProperly place felling notch perpendicular to the line of fall, close to the ground.

NCut down at approx. 45° angle to a depth of about 1/5 to 1/4 of the trunk diameter.

NMake second cut horizontal. N Remove resulting 45° piece.

22

MS 660

Page 24
Image 24
STIHL MS 660 MAGNUM manual Escape Path, Buttress Roots, Gunning Sight, Conventional Cut