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70 Maintenance
Maintenance intervals
The table below shows the maintenance tasks which can be done by the end user. The
complete maintenance schedule is available on the Internet (www.abb.com/drivesservices).
For more information, consult your local ABB Service representative
(www.abb.com/searchchannels).
Maintenance task/object
Coolant
Coolant draining and replacement
Checking coolant quality
Checking coolant antifreeze concentration
Coolant pump
Pump
Pump motor
Expansion tank
Cooling fans
Supply module fan (230 V)
Supply module fan (115 V)
Batteries
Control panel battery
Control unit battery
Connections and environment
Quality of supply voltage
Spare parts
Spare parts
DC circuit capacitor reforming (spare mod-
ules and spare capacitors)
Inspections
Checking tightness of cable and busbar
terminals. Tightening if needed.
Checking ambient conditions (dustiness,
corrosion, temperature)
Checking coolant pipe connections
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
Years from start-up
0
1
2
3
4
P
P
P
P
P
P
P
P
P
P
P
P
I
I
I
I
P
P
P
P
P
I
I
I
I
I
I
I
I
I
I
I
I
5
6
7
8
9
10
R
P
P
P
P
P
P
P
P
R
R
R
R
R
R
R
P
P
P
P
P
I
I
I
I
I
I
P
P
P
P
P
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
11
12
...
R
P
P
P
P
R
R
R
R
R
P
P
P
I
I
I
P
P
P
I
I
I
I
I
I
I
I
I
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