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Special Conditions Of Use - GE Masoneilan 469 Series Instruction Manual

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11. Special Conditions of Use

11.1 For Intrinsic Safety and Flameproof Types 496-.58, 496-858 and 496-858/. and
Types 496- .57, 496-857 and 496-857/.
a. It is under the user responsibility to check once
a year the gasket and in the event of damage to
replace the defective parts with manufacturer's
replacement parts only.
b. For use in dusty hazardous areas, the user will have
to proceed to a cleaning regularly the different sides
of the enclosure to avoid the deposits of dusts, the
maximum thickness must be <5 mm. This cleaning
will be done using recommendations defined in §c.
For safe operation, this can be done only if the
local conditions around the device are free of
potentially explosive atmosphere.
c. To avoid any spark due to electrostatic discharges, it
is requested to follow the instructions of EN TR50404.
For example, the user will proceed a cleaning of
the device and mainly the plastic label with a wet
rag to. For safe operation, this can be done only if
the local conditions around the device are free of
potentially explosive atmosphere.
d. The user will have to check the temperature
increase on the 496 head coming from the
mechanical part in contact with the 496 housing
or through the process thermal radiation be less or
equal than the temperature classification allowed.
This must be done in conformance with EN 60079-14
and/or national and local regulations applicable for
explosible atmospheres.
e. The final user during the 496 installation on site must
show the protection mode used on the serial plate
removing the tears off tabs or putting a cross in the
dedicated area. This is a requirement only for multi
protection marking. The label here on the right is
shown for example only and not representative to
the 496 label.
22 | BHGE
© 2018 Baker Hughes, a GE company. All rights reserved.

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