Husqvarna K 770 VAC Operator's Manual page 43

the power cutter up and back towards the user in a
rotating motion causing serious or even fatal injury.
Reactive force
A reactive force is always present when cutting. The
force pulls the product in the opposite direction to the
blade rotation. Most of the time this force is insignificant.
If the blade is pinched or stalled the reactive force will
be strong and you might not be able to control the power
cutter.
Never move the product when the cutting equipment
is rotating. Gyroscopic forces can obstruct the intended
movement
Kickback zone
Never use the kickback zone of the blade for cutting. If
the blade is pinched or stalled in the kickback zone, the
reactive force will push the power cutter up and back
towards the user in a rotating motion causing serious or
even fatal injury.
705 - 003 - 22.04.2022
Rotational kickback
A rotational kickback occurs when the cutting blade
does not move freely in the kickback zone.
Climbing kickback
If the kickback zone is used for cutting the reactive force
drives the blade to climb up in the cut. Do not use the
kickback zone. Use the lower quadrant of the blade to
avoid climbing kickback.
Pinching kickback
Pinching is when the cut closes and pinches the blade.
If the blade is pinched or stalled the reactive force will
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