Pinching Kickback - Husqvarna K 1270 II Manual Del Usuario

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
throughout the cutting, the blade might be pinched. 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.
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.
Secure the pipe so it does not move or roll during
cutting. Make sure that the cut opens to avoid pinching
the blade.
1631 - 001 - 04.05.2021
To cut in smaller pipes
WARNING:
the kickback zone, it will cause a severe
kickback.
If the pipe is smaller than the maximum cutting depth of
the product, the cutting operation can be done in 1 step
from top to bottom.
• Cut the pipe from top to bottom.
To cut in larger pipes
WARNING:
the kickback zone it will cause a severe
kickback.
If the pipe is larger than the maximum cutting depth of
the product, and can not be rolled, the cutting operation
needs to be divided in 5 steps.
• Divide the pipe into 5 sections. Do a mark of those
sections and of a cutting line. Cut a shallow guide
groove around the pipe.
4
1
• Cut those sections in 5 steps with the cutting
directions shown by the arrows in each step.
If the blade is pinched in
If the blade is pinched in
5
3
2
1
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