HBS ARC 1550 Operating Manual page 7

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Danger for wearers of heart pacemakers
‹ Never operate the stud welding unit if you have a heart pace-
maker.
‹ In this case, never remain in the vicinity of the stud welding unit
during welding.
‹ Never operate the stud welding unit if persons with heart pace-
makers are in the vicinity.
Strong electromagnetic fields are produced in the vicinity of the stud
welding unit during welding. These fields may impair the function of
the heart pacemakers.
Danger from fumes and airborne particulates
‹ Switch on the welding fume extractor at the place of work.
‹ Ensure that the room is well ventilated.
‹ Never weld in rooms with a ceiling height of less than 3 m.
‹ Observe furthermore your working instructions and the accident
prevention regulations.
This will help to avoid health damage due to fumes and airborne
particulates.
Danger from glowing metal spatter (fire hazard)
Glowing hot weld spatter and liquid splashes, flashes of light and a
loud bang > 90 dB (A) must be anticipated during stud welding.
‹ Inform colleagues working in the immediate vicinity accordingly
before starting work.
‹ Ensure that an approved fire extinguisher is available at the place
of work.
1 Important Safety Precautions
7