Poulan 1992-05 User Manual - Page 13
Poulan 1992-05 Manual
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£ Remove dirt, stones, loose bark, nails, sta- e. Be alert to signs that the tree is ready to fall: ples, and wire from the tree where cuts are 1.) Cracking sounds. to be made. g. Plan to stand on the up-hill side when cut- 2.) Widening of the Felling Cut 3.) Movement in the upper branches. ting on a slope. Figure 14 . f. As tree starts to fall,stop thesaw,put itdown, and h. Plan a clear retreat path to the rear and di- get away quickly on your planned i etreat path. agonal to the line of fall. Figure 15 . g. Be extremely cautious with partially fallen trees 2. FELLING SMALL TREES-LESS THAN that may be poorly supported. When a tree • 6" IN DIAMETER a. If you know the direction of fall: doesn't fall completely, set the saw aside and pull down the tree with a cable winch, block and 1.) Make a single fellingcut on theside awayfrom the direction of fall. tackle, or tractor. To avoid injury, do not cut down a partially fallen tree with your saw. 2.) Cut all the way through. 3.) Stop the saw, put it down, and get away quickly on your planned retreat path. b. Ifyouare not surewhich way the tree willfall, use the notch method described for felling large trees DO NOT CUT: A WARNING --near electrical wires or buildings. - -if you do not know the direction of tree fall. Cut • g Buttress ft Roots • First Direction Ihr-t _ _.f is Of Fall --at night since you will not be able to see well. - -during bad weather -- rain, snow, strong tXe• wind, etc. Stay On Uphill Side Of 3 FELLING LARGE TREES--6"IN DIAMETER Tree When Felling OR MORE The notch method is used to fell large trees. A notch Figure 14 Figure 15 is cut on the side of the tree in the desired direction of fall. After a felling cut is made on the opposite side of Direction the tree, the tree will tend to fall into the notch. NOTEt If the tree has large buttress roots, remove Of Fall Felling Cut them before making the notch. Cut into the but- tresses vertically, then horizontally. Figure 16 . a. Make the notch cut. Figure 16 . Notch 1.) Cut the bottom of the notch first, through 1/3 of the diameter of the tree. 2.) Complete the notch by making the slant cut. 3.) Remove the notch of wood. b. Make the felling cut on the opposite side of the r-fa- notch about 2" higher than the bottom of the notch. Figure 16 c. Leave enough uncut wood between the felling cut and the notch to form a hinge. Figure 17 . NOTE: The hinge helps to keep the tree from twisting and falling in the wrong direction. \A S'N'VI \ Direction AONW \\''• d. Use a wedge if there is any chance that the tree will not fall in the desired direction. Of Fall \l \i \\\\%\\ Opening Of Felling Cut A WARNING Stay on the uphill side of the terrain to avoid injury from the tree rolling or sliding downhill after it is felled. Figure 15 . Closing Of Notch NOTE:Beforethefellingcut is complete, usewedges to open the cut when necessary to control the direction of fall. Use wood or plastic wedges, but never steel or iron, to avoid kickback and chain damage. Hinge Holds Tree On Stump And Controls Pall Figure 17 DON'T PUT YOURSELF IN THESE POSITIONS I' I"-, Check the wind-Don't cut down wind Check the lean-Don't cut on lean side Check the balance-Don't cut on weighted side