Maintenance 97
Maintenance
What this chapter contains
This chapter contains preventive maintenance instructions.
Safety
WARNING! Read the Safety instructions (page 9) in this manual before you
do maintenance on the equipment. Ignoring the safety instructions can
cause injury or death.
Maintenance intervals
If installed in an appropriate environment, the drive requires very little maintenance.
This table lists the routine maintenance intervals recommended by ABB.
Interval Maintenance Instruction
Every 6 to 12 months (depends
on the dustiness of the
environment)
Heatsink temperature check
and cleaning
See Heatsink (page 98).
Every year when stored Capacitor reforming See Reforming (page 103).
Every 3 years Replacement of additional
cooling fan in IP55 units and in
IP21 units when included
See Additional fan (page 102).
Every 6 years Cooling fan replacement See Fan (page 98).
Every 9 years Frame size R4 and up:
capacitor replacement
See Capacitors (page 103).
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