Saivod DHX-10D Manual Del Usuario página 75

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• 2.1 During repairs to sealed components, all electrical
supplies shall be disconnected from the equipment
being worked upon prior to any removal of sealed
covers, etc. If it is absolutely necessary to have an
electrical supply to equipment during servicing, then
a permanently operating form of leak detection shall
be located at the most critical point to warn of a
potentially hazardous situation.
• 2.2 Particular attention shall be paid to the following
to ensure that by working on electrical components,
the casing is not altered in such a way that the level
of protection is affected. This shall include damage to
cables, excessive number of connections, terminals
not made to original specification, damage to seals,
incorrect fitting of glands, etc.
GB
Ensure that apparatus is mounted securely. Ensure
that seals or sealing materials have not degraded such
that they no longer serve the purpose of preventing
the ingress of flammable atmospheres. Replacement
parts shall be in accordance with the manufacturer's
specifications.
NOTE The use of silicon sealant may inhibit the
effectiveness of some types of leak detection
equipment. Intrinsically safe components do not
have to be isolated prior to working on them.
3 REPAIR TO INTRINSICALLY SAFE COMPONENTS
• Do not apply any permanent inductive or
capacitance loads to the circuit without ensuring
that this will not exceed the permissible voltage and
current permitted for the equipment in use.
• Intrinsically safe components are the only types
that can be worked on while live in the presence of a
flammable atmosphere. The test apparatus shall be
at the correct rating. Replace components only with
parts specified by the manufacturer. Other parts may
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D002a-10l/m

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