BMK-8 U / BMK-12 W
18
4 Installation of stud welder
The top of the BMK-8U / BMK-12 W stud welders is equipped with two plastic carrying handles.
These handles are intended for transport by hand only. Never pull ropes through these
handles to lift the stud welder by means of a crane to the installation site. The stud
welder would become instable and might tilt from its original position. As a result the
handles could rip and the system would fall on the ground.
• Only install the stud welder on an even surface. The anti-vibration pads located on the bottom of the
welding equipment guarantee its anti-skid position and serve as vibration dampers.
• Although the stud welder is resistant to environmental influences, it should be protected against
dampness and dust.
• Please pay particular attention to the bearing strength of the workshop furniture and ensure a safe
and stable position of the welding equipment.
• Make sure there is sufficient free space around the air apertures, otherwise the excess temperature
safety mechanism will respond and interrupt the welding process. This state, represented as
"Transformer overheated, please wait", is shown alternately with the current operation mode on the
display.
Only when this information is no longer shown on the display, is it possible to continue the welding
operation.
• Install the stud welder close to the welding location.
• Ensure correct connected loads for electrical connections:
The stud welder has a four-core connecting cable: 3 phases + protective earth conductor.
Please also refer to “Technical Data”.
Make sure mains socket and welding system are properly grounded.
• Please observe that additional extension cables cause a voltage drop, possibly leading to system
disturbances.
• When welding with shielding gas, make sure the gas cylinder is installed safely in its admissible,
accident-proof installation device.
The gas cylinder must be protected against tilting when being installed vertically. It must
not be installed in a horizontal position since the gas cylinder connection and/or
manometer could be easily damaged.
• Ensure sufficient ventilation of the working room when operating the welding system.
The housing of the stud welder corresponds to safety class IP 21. Please observe that
this system of protection is not suitable for being operated or transported in the rain.
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