Hypertherm LR2075 - Manual (Page 27)

OPERATION
4-2 LR 2075 Laser Head Instruction Manual
WARNING
It is the user’s responsibility to know what materials are being cut. Do not cut metal or other
materials coated with or containing toxic substances, such as zinc (galvanized), lead, cadmium,
beryllium or asbestos unless the area is well ventilated and the operator wears an air-supplied
respirator. The coatings and any metals containing these elements can produce toxic fumes when
cut.
DANGER
Lenses for cutting with CO
2
lasers contain Zinc Selenide (ZnSe) which can be very poisonous as dust
or vapor. If a lens breaks, proper cleanup and disposal must be immediately initiated.
DANGER
Visible or invisible radiation (class IV) can be present when the laser head door is open. Avoid eye
and skin exposure to direct and scattered radiation. Always follow safety precautions specified by
the manufacturer of the laser system.
DANGER
Never put fingers or hands in the path of the beam. Visible and invisible radiation are emitted from
the nozzle aperture.
Safety
DANGER
Never put fingers or hands between the material that is being cut and the laser head enclosure.
Moving parts can cause severe crush injuries.