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7 Maintenance / Servicing
The valid national regulations for the maintenance/servicing of electri-
cal equipments for use in potentially explosive atmospheres shall be
observed (i.e. EN/IEC 60079-17).
Before opening the enclosure, it is necessary to ensure that the volta-
ge supply has been isolated and should allowed to cool down for 10
minutes after switching off.
The necessary intervals between servicing depend upon the specific appli-
cation and shall be stipulated by the operator according to the respective
operating conditions. We recommend a regular maintenance according to
an approved preventive maintenance program.
During servicing, above all, parts on which the explosion protection de-
pends shall be tested or visually inspected to ensure their correct state, i.e.:
-
Enclosure threaded parts like cover and cable entries, shall be
properly greased, in good conditions, clean and without any corrosion
or damaged.
-
The thread shall not be treated, painted nor varnished!, preferably
with grease thermally and chemically stable i.e.: Molikote® BR2 plus.
-
Check all seals for efficiency and intactness.
damaged seals with new seals.
-
Be aware about the lamp tube change intervals specified by the
manufacturer of it, lamp tubes types must be as specified.
Any damaged parts shall be replaced immediately using original parts or
damaged parts shall be repaired by the manufacturer.
Check that connection terminals, cable entries and blind plugs fit securely.
All electrical and electronic material inside of the enclosure shall be main-
tained as per their own instructions.
If, in the course of servicing, it is ascertained, that repairs are necessary,
section 8 of these operating instructions shall be observed.
8 Repair / Overhaul / Modifications
Repairs and overhaul may only be carried out with genuine
Crouse-Hinds spare parts.
Switch off the equipment before opening or isolate it before the dismantling
of individual parts.
Only use original spare parts. Repairs that affect the explosion protection
may only be carried out by Crouse-Hinds or a qualified electrician in com-
pliance with the applicable national rules. For repair electrical equipments
in protection mode is suggested follow the instructions indicated in EN/IEC
60079-19.
Modifications to the equipments or changes of its design are not permitted.
All reparations have to be done without voltage!
In the event of damage to the flameproof enclosures or other part of
equipments that could affect the mode of protection, replacement
of these components is mandatory. In case of doubt, the respective
equipments shall be sent to Crouse-Hinds for repair. Reconstruction
or modifications to equipments are only possible within the scope of
the approvals and shall be certified afterwards.
9 Disposal / Recycling
When the equipment or their parts is disposed of, the respective valid na-
tional regulations on waste disposal shall be observed. In order to facilitate
the recycling of individual components, plastic parts are provided with the
identification mark of the plastic material used.
Warning
To avoid the risk of fire, explosion, or elec-
tric shock, this product should be installed,
inspected, and maintained by a qualified
electrician only, in accordance with all
applicable electrical codes.
Subject to alteration or supplement of this product without any advertisement before.
Save these instructions for future reference.
Replace older or
All statements, technical information and recommendations contained herein are based on
information and tests we believe to be reliable. The accuracy or completeness thereof are not
guaranteed. In accordance with Crouse-Hinds "Terms and Conditions of Sale" and since condi-
tions of use are outside our control, the purchaser should determine the suitability of the product
for his intended use and assumes all risk and liability whatsoever in connection therewith.
EATON'S Crouse-Hinds Business
Explosion protected light fitttings Serie: AB 12
9/10
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