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OPERATING
20 – English
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.
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 be
strong and you might not be able to control the power
cutter.
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. Be alert for potential movement of the
work piece. If the work piece is not properly supported
and shifts as you cut, it might pinch the blade and cause
a kick back.
Pipe cutting
Special care should be taken when cutting in pipes. If the
pipe is not properly supported and the cut kept open
through out the cutting, the blade might be pinched in the
kickback zone and cause a severe kickback. Be
especially alert when cutting a pipe with a belled end or a
pipe in a trench that, if not properly supported, may sag
and pinch the blade.
Before starting the cut the pipe must be secure so it does
not move or roll during cutting.
If the pipe is allowed to sag and close the cut, the blade will be
pinched in the kick back zone and a severe kick back might
develop. If the pipe is properly supported the end of the pipe will
move downward, the cut will open and no pinching will occur.
Proper sequence cutting a pipe
1 First cut section I.
2
Move to side II and cut from section I to bottom of the pipe.
3 Move to side III and cut the remaining part of the pipe
ending at the bottom.
I
III II