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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 bar 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 bar 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 larger than the guide
bar
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
OPERATING
II
How to aviod kickback
Avoiding kickback is simple.
•
The work piece must always be supported so that the
cut stays open when cutting through. When the cut
opens there is no kickback. If the cut closes and
pinches the cutting equipment there is always a risk of
kickback.
•
Take care when inserting the chain in an existing cut.
Never cut in a narrower pre-cut cut.
•
Be alert to movement of the work piece or anything
else that can occur, which could cause the cut to close
and pinch the cutting equipment.
Transport and storage
•
Secure the equipment during transportation in order
to avoid transport damage and accidents.
•
For transport and storage of diamond chains, see the
section "Diamond chains".
•
Store the equipment in a lockable area so that it is out
of reach of children and unauthorized persons.
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