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Maintenance 81
Symbols
I Inspection (visual inspection and maintenance action if needed)
P Performance of on/off-site work (commissioning, tests, measurements or other work)
R Replacement
Maintenance and component replacement intervals are based on the assumption that the equipment is
operated within the specified ratings and ambient conditions. ABB recommends annual inspections to ensure
the highest reliability and optimum performance.
Long term operation near the specified maximum ratings or ambient conditions may require shorter
maintenance intervals for certain components. Contact your local ABB Service representative for additional
maintenance recommendations.
Note 1: Cooling liquid to be used is BASF Glysantin® G30® or Valvoline Zerex G30 mixed with tapwater. For
more details, see chapter
Cooling and
heating. In case practical examples or specific tests carried with the
above mentioned cooling mixture together with the cooling system materials the maintenance interval can be
revised.
Note 2: The maintenance schedule of the main circuit breaker is according to maximum 1,000 operations of
the breaker per each year. Replacement after 6000 operations. For more information, refer to the maintenance
manual of the ABB SACE breaker.
Maintenance timers and counters
The control program has maintenance timers or counters that can be configured to
generate a warning when a pre-defined limit is reached. Each timer/counter can be set to
monitor any parameter. This feature is especially useful as a service reminder. For more
information, see the firmware manual.
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