IM Machine Name Rev.: END 14
● During repairs, ensure that structural features are not changed to the detriment of
safety (for example, do not reduce creep and air gaps and clearances through
insulation).
When working on live components (only in exceptional situations) it is necessary to:
● Call in an additional person to activate the Emergency Stop button or the mains
isolating device in an emergency.
● Use only electrically insulated tools.
The proper earthing of the electrical system must be ensured by means of protected
conductor systems. Permanent installation is necessary with a leakage current to
earth (PE) >3.5 mA.
● Regularly check cables for damage.
● Immediately replace defective cables.
For further information, see also Chapter 6.2.4 Safe Maintenance of the Electrical
Devices.
Due to the special properties of laser radiation and the biological effects resulting
from it, special protective and precautionary measures are necessary during the use
of laser radiation.
Lasers are classified in accordance with their hazard potential. In each individual
case, the necessary protective measures arise from this.
Of special importance are protective measures for the protection of the operator in the
use of powerful lasers in engineering and medicine.
The accessible laser radiation is not dangerous under reasonably
foreseeable conditions.
1. Lasers that are so encapsulated that the escape of radiation is
completely prevented.
2. Lasers with very low power (40 µW for blue light). Even with
longer exposure, these lasers cause no damage to the eyes
even when optical instruments (magnifying glasses, lenses,
telescopes, etc.) are held in the beam path.
The accessible laser radiation lies in the wavelength range from
302.5 nm to 4 000 nm. The accessible laser beam is not dangerous
for the eyes as long as the cross section is not reduced by optical
instruments (magnifying glasses, lenses, telescopes, etc.)!
The laser must not be harmful during the exposure of the naked
eye. Eye damage can occur if optical instruments are present during
the exposure.
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