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Maintenance
Siemens Vacuum
Recloser 3AD
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6.2
Maintenance plan
The following work should be carried out as part of
regular
inspections:
64
Work to be performed
Visual inspections
..
Terminals clean and
undamaged.
..
No visible corrosion or damage to metal
parts and cables.
..
No loose parts, e. g.
bolts
or connections.
"
Earth connections stable and undamaged.
"
Labeling clearly
legible.
Q
.
Control cubicle is undamaged
and
secured.
Function tests
"
Controller
indicates
fault-free operation of the auxiliary
power supply, batteries and capacitors (monitoring
-
LEOs).
•
Fault-free operation of communication
modules.
•
Perform
battery test
or
check
result
of last battery test
at
the
controller.
Protection tests
..
Protection test
using secondary injection
equipment,
in
conjunction with recloser function test (see Chapter 4.4.1).
..
Function test of
lock-out
handle.
Reset counter "Switching operations since last visit".
Recommended
interval
12
months
(Interval according
to
network operators
specifications)
12
months
(As part of visual
inspection)
4
years
(Interval according to
network operators
specifications)
Following
every
maintenance
session
9229 0040 176 OF
?n17-1?-
1R
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