KROHNE BM 70 M User Manual
Page 101

BM 70M-EEx/ BM 70Mi-EEx
15
Assembly screws (M) for signal converter:
M
M
Purge connection
(optional)
Purge
connection
(optional)
Sensor connection
(optional)
Sensor connection
(optional)
H
H
O-Ring
O-Ring
Signal converter
Flange system
SA
Flange system
V96
9.2
Replacement of complete device
The requirements described in Sect. 9.1 also apply in this instance.
In addition, make sure that all process connections and the tank are non-pressurized.
Caution:
On pressurized tanks, do not remove the 4 screws (H) connecting the wave
guide window to the tank mounting flange (refer to diagram in Sec. 9.1).
DANGER TO LIFE!
In connection with environmentally critical products, carefully decontaminate the wetted parts of
the flange system after dismantling.
10 Maintenance
Service
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.