8
EB 8387-5 EN
Safety instructions and measures
Servicing explosion-protected devices
If a part of the device on which the explosion protection is based needs to be serviced, the
device must not be put back into operation until a qualified inspector has assessed it accord-
ing to explosion protection requirements, has issued an inspection certificate or given the de-
vice a mark of conformity. Inspection by a qualified inspector is not required if the manufac-
turer performs a routine test on the device before putting it back into operation. Document
the passing of the routine test by attaching a mark of conformity to the device.
Referenced standards and regulations
The device with a CE marking fulfills the requirements of the Directives 2014/30/EU and
2011/65/EU as well as 2014/34/EU depending on the version (Type 3731-521). The dec-
larations of conformity are included at the end of these instructions.
Referenced documentation
The following documents apply in addition to these mounting and operating instructions:
−
Operating instructions of EXPERTplus Valve Diagnostics
u
−
The mounting and operating instructions of the components on which the positioner is
mounted (valve, actuator, valve accessories etc.).
Summary of Contents for 3731-5
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