Maintenance 313
Maintenance
Contents of this chapter
This chapter contains preventive maintenance instructions.
Safety
WARNING! Read the Safety instructions on the first pages of this manual
before performing any maintenance on the equipment. Ignoring the safety
instructions can cause injury or death.
Maintenance intervals
The table below lists the routine maintenance intervals recommended by ABB.
Consult a local ABB Service representative for more details. On the Internet, go to
http://www.abb.com/drivesservices
, select Drive Services, and Maintenance and
Field Services.
Interval Maintenance Instruction
Every year of storage DC capacitor reforming See Reforming the capacitors
on page 316.
Every 6 to 12 months
depending on the dustiness of
the environment
Heatsink temperature check
and cleaning
See Heatsink on page 314.
Every year Inspection of tightness of
power connections
See pages 68-69.
Visual inspection of cooling
fan
See Cooling fan on page 315.
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