Stihl 032 Instruction Manual - Page 72

English / USA A 001BA052 KN 001BA042 LÄ 001BA043 KN Conventional cut A = felling notch - determines the direction of the fall For a conventional cut: : Properly place felling notch perpendicular to the line 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 Open-face technique A = felling notch - determines the direction of the fall For an open-face cut: : Properly place felling notch perpendicular to the line of fall, 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 Making sapwood cuts : 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 softwood in summer - it helps prevent sapwood splintering when the tree falls. 20 Chainsaw Safety Manual