ABB RPB 520, Инструкция по эксплуатации

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The degree of utilization as well as exterior conditions influence the demand for
service of the power source to a high extent. Sensible use and preventive mainte-
nance will guarantee problem-free operation.
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Check the condition of the welding and return cable every day.
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Never use damaged cables!
Make sure the connection cables conform to the regulations valid.
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Repair and mounting of mains connection cables shall only be executed by
an authorized electrician.
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Unplug the cable from the wall socket and wait about 2 min. (due to capacitor
discharge) before removing the cover plate.
Check the following points at least once every six months:
• The electrical connections of the machine - clean oxidized components and
tighten loose parts.
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Before the connection work is started, inform yourself about the right tight-
ening torques.
• Clean the inner parts of the power source from dust and filth, using a soft
brush and a vacuum cleaner.
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Do not use compressed air as there is a risk that filth hereby can get packed
even harder in the apertures of the cooling profiles!
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Do not use high-pressure washing!
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Repair of the power source is only to be executed by an authorized electri-
cian.