3. Intended use
♦ The device is intended exclusively for work in accordance with the intended use.
♦ The device is intended exclusively for the welding process described on the rating plate. Any other
oradditional use is deemed to be improper use. The manufacturer is not liable for damages resulting
from this.
♦ Intended use also includes reading and observing all instructions in the operating manual, reading and
observing all safety and hazard information and complying with the inspection and maintenance tasks.
♦ Set-up and operating the device outdoors are not permitted. The protection gas would not beeffective
in this case. Only use this device in dry rooms with fresh air!
♦ The device is intended for welding on metals and alloys that are suitable for arc welding.
♦ The PUK welding microscope is used for the observation or microscopy of objects through the ocular
ofthe microscope. The LED lighting serves to illuminate the working area.
♦ The PUK welding microscope may only be used for welding if it has been properly connected
tothePUKfine welding device.
As a matter of principle, no liability is accepted for the durability of the welding results. The manufacturer
accepts no liability for defective or deficient working results. We recommend that the welding results should
bechecked in every case.
4. Safety instructions
4.1 Ambient conditions
Operation or storage of the device outside the specified conditions is deemed to improper use. The
manufacturer is thus not liable for damages. The device must be operated in a dry place. This should be free of
dust, acids, corrosive gases or substances.
Temperature range of the ambient air:
♦ during operation: +10 °C to +40 °C
♦ during transport and storage: -20 °C to +55 °C
Altitude above sea level: up to 1,000 m
4.2 Duties of the operator
If the device is used in a commercial or industrial environment, the owner should ensure that only those
persons work on the device, who are familiar with the fundamental provisions for industrial safety and
accident prevention, who have been instructed on handling the device, who have read and understood this
operating manual and in particular the chapter on “Safety instructions”, and who have been trained with
respect to the requirements for the working results. The safety-conscious working of the personnel should be
checked on a regular basis. Similar obligations are applied for operators.
All persons who are instructed to work on the device are recommmended to
♦ observe the fundamental regulations governing occupational safety and accident prevention.
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