Maintenance, Replacement of complete device – KROHNE BM 70A EEx EN User Manual
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07/2010 - 4000662402 MA BM70x-Ex-AD-R02-en
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9.2. Replacement of complete device
The requirements described in Section 9.1 also apply in this instance.
In addition, make sure that the tank and all process connections are unpressurized.
Caution:
On pressurized tanks, do not remove the 4 screws (H), as shown in the
diagram above, connecting the waveguide window to the tank mounting flange.
DANGER TO LIFE!
In connection with environmentally critical products, carefully decontaminate the wetted parts of the
flange system after dismantling.
10. Maintenance
Maintenance work of a safety-relevant nature within the meaning of explosion protection may only be
carried out by the manufacturer, his authorized representative or under the supervision of authorized
inspectors.