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0698-401 MD1xL / MD2xL - 08/2020
9.4 Equipotential bonding and earthing
► Before starting up, an equipotential bonding must be established between the pump, the container
tobeemptiedandthecontainertobelled(→Fig.6).
►Clamptheequipotentialbondingcable(orderno.0204-994)tocreateanequipotentialbondingbetween
the pump and the container to be emptied. For better conductivity, remove the paint and dirt from the
clamping points.
►Equipotentialbondbetweenthecontainerstobeemptiedandtobelledviaaconductivesubstrate
(e.g.aconductivegrating).
► Ensure that a conductive transition between container and earthing potential is available.
Fig. 6
Legend:
(1)Equipotentialbondingcable,(3)conductivehose,(4)conductiveconnectionfromhosetohose
connector,(5)pumptubeforzone0,(6)explosion-proofcompressedairmotorforzone1,(7)nozzle,
(8)maintenanceunit,(9)earthpotential
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