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Cutting Wood Under Tension
Special care is required when cutting wood which is under tension. cutting wood which is under
tension can release the tension, causing the wood to react out of control. In the worst case this can
result in sever and even fatal injuries.
This type of work must be performed only by specially trained persons.
Kickback
The term “kickback“ describes what happens when the running pruner suddenly kicks upward and
backward. Usually this is caused by contact between the tip of the cutter bar and the workpiece or
by the chain becoming trapped. In the event of kickback, large forces occur suddenly and violently. As
a result, the pruner usually reacts uncontrollably. This can often result in very serious injuries to the
worker or persons in the vicinity. The risk of kickback is at its greatest when the pruner is positioned
for a cut in the region of the tip of the cutter bar, as the leverage effect is greatest there. It is therefore
safest to position the pruner as flat as possible.
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