Stihl 036 QS Instruction Manual - Page 21

= felling notch - determines the direction of the fall For a conventional cut: • Properly place felling notch perpendicular to the Iine of fall, • close to the ground Cut down at app.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 = felling notch - determines the direction of the fall For an open-face cut: • Properly place felling notch perpendicular to the Iine of falI, • close to the ground Cut down at app.50-degree angle to a depth of app.1/5 to 1/4 of the • trunk diameter Make second cut from below at • app. 40 degree angle Remove resulting 90-degree piece 001BA042 LÄ 001BA043 LÄ • 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 soft wood in summer- it helps prevent sapwood splintering when the tree falls.