Maintenance 89
Maintenance
What this chapter contains
This chapter contains maintenance intervals and maintenance instructions.
Maintenance intervals
The table below lists the main maintenance intervals recommended by ABB. Consult a
local ABB Service representative for more details. See also Service Plan document
(options +P910 and +P911). In the Internet, go to www.abb.com/drives
services, select
Drive Services, and Maintenance and Field Services.
Interval Maintenance action Instruction
Every year of storage Capacitor reforming See Capacitors.
Every year Smoke detector inspection
(visual inspection and
maintenance action if needed)
Inspect the smoke detector with test gas.
Every 2 years Addition of corrosion inhibitor
to coolant
Add inhibitor according to instructions. For
amount and type, see chapter The
internal cooling circuit.
Every 3 years Power connections check and
cleaning
See Power connections.
Every 3 years Cooling fan change in case of
60 Hz supply
See Fans.
Every 5 years Cooling fan change See Fans.
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