Service Information; Maintenance; Time Schedule For Maintenance Measures - Siemens NXAIR Operating Instructions Manual

29 Service information

29.1 Maintenance

Maintenance ensures undisturbed and uninterrupted operation of the switchgear. The frequency of
inspection, periodic cleaning and preventive maintenance schedule will depend upon the operating
conditions of the switchgear.
The maintenance measures are divided into the following fields:
•
Visual inspection
•
Maintenance

29.2 Time schedule for maintenance measures

Besides the recommended maintenance intervals, additional maintenance measures may be required for
operational reasons.
Recommended time schedule for maintenance measures:
Measure Interval
Every year or at the operator's
Visual inspection
discretion.
Every 10 years, or depending on
Maintenance operational facts, or at the operator's
discretion.
Depending on operational facts, or at
Cleaning
the operator's discretion.
Circuit-breaker According to advice and requirements in Operating Instructions of circuit-breaker.
Vacuum contactor According to advice and requirements in Operating Instructions of vacuum contactor.
Protection relays
According to advice and requirements in respective instruction manuals.
and instruments
110-0134.9 / 13
INFORMATION
Read and understand these instructions before attempting operating works
NOTICE
Non-observance of instructions
Non-observance of the following instructions can damage the switchgear.
•
All measures within the scope of maintenance may only be executed by
qualified personnel.
•
Furthermore, the relevant IEC standards and the local and site-related
safety regulations must be observed.
•
For questions about maintenance measures, please contact your regional
Siemens representative.
NXAIR / ≤ 40 kA
Service information
Operational fact
─
For example, after a short circuit or
breaking / making operation of a circuit-
breaker and/or an earthing switch when the
permissible number of operating cycles has
been reached.
Visual inspection, maintenance.
.
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