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Servicing
7 Servicing
Note
The limit switch was checked by SAMSON
before it left the factory.
− The product warranty becomes void if
service or repair work not described in
these instructions is performed without
prior agreement by SAMSON's After-sales
Service.
− Only use original spare parts by
SAMSON, which comply with the original
specifications.
7.1 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
according to explosion protection
requirements, has issued an inspection
certificate or given the device a mark of
conformity. Inspection by a qualified
inspector is not required if the manufacturer
performs a routine test on the device before
putting it back into operation and the
passing of the routine test is documented by
attaching a mark of conformity to the device.
Inspection by a qualified inspector is not re-
quired if the manufacturer performs a rou-
tine test on the device before putting it back
into operation and the passing of the routine
test is documented by attaching a mark of
conformity to the device.
36
Î Retain testing and servicing documents
as well as certificates issued by the man-
ufacturer or inspector together with other
safety-relevant documents for the device
or plant.
Replace explosion-protected components on-
ly with original, routine-tested components
by the manufacturer.
Devices that have already been operated
outside hazardous areas and are intended
for future use inside hazardous areas must
comply with the safety requirements placed
on serviced devices. Before being operated
inside hazardous areas, test the devices ac-
cording to the specifications for servicing ex-
plosion-protected devices.
Repair of flameproof gaps
A repair of flameproof gaps is not permitted.
If a corresponding gap is damaged, the de-
vice must be replaced.
EB 4747 EN
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