POCO line 5961008/00 Benutzerhandbuch Seite 71

done in a safe manner to avoid possibility of
sparking;
• That there no live electrical components and
wiring are exposed while charging,
recovering or purging the system;
• That there is continuity of earth bonding.
2. Repairs to sealed components
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 isabsolutely
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) 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, incor-
rect fitting of glands, etc.
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
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