Use only extension cables, that are used for extending the main cable, that are sized and
marked in accordance with the overall power consumption of the machine and the valid
VDE guidelines.
The electrical equipment for the plant must be inspected regularly. Defects such as
loose connections or scorched cables must be rectified immediately. Call as skilled
electrician or out customer services.
A second person must be in attendance whilst the electrical engineer is working on the
equipment.
The work area must be secured against any third party entering the work area. Follow
local electrical engineering regulations while working on the machine. Never leave a
machine unattended. Use only tools that are insulated against electricity.
Only start work after you are familiar with the electrical engineering regulations that
apply to the local area.
Only use voltage seekers that comply with the regulations when troubleshooting. From
time to time check voltage seekers to ensure that they are operationally efficient.
2.6.1 Cables
Only use cables that are marked and rated according to the specifications in
“1.1 Electrical specifications”. Don’t use excessive length of the cables. If a very long
cable is needed we recommend that you use a cable rated for more current and
connect it to a distribution central near the machine. Never lay the cable in a loop
when operating the machine, this will cause the cable to heat up and may cause fire.
See “Figure 21” for explanation.
Figure 2.1 Recommended way to handle excessive cable length.
2.6.2 Using a generator
The generator must be equipped with protective earth and operated in accor-
dance with the current EN-VDE directives (this applies to the protective earth
conductor in particular) in order to ensure that all safety devices are functioning
and eliminate possibl damage to electrical components.
49
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