ABB ACS880-07CLC, Hardware Manual

Page: 126 / 214

Years from start-up Maintenance task/object
… 12 11 10 9 8 7 6 5 4 3 2 1 0
R R Control unit battery
Connections and environment
P P P P P P P P P P P P P Quality of supply voltage
Spare parts
I I I I I I I I I I I I I Spare parts
P P P P P P P P P P P P P DC circuit capacitor reforming (spare invert-
er modules and spare capacitors)
Inspections
I I I I I I I I I I I I I Checking tightness of cable and busbar
terminals. Tightening if needed.
I I I I I I I I I I I I I Checking ambient conditions (dustiness,
corrosion, temperature)
I I I I I I I I I I I I I Checking coolant pipe connections
Symbols
Inspection (visual inspection and maintenance action if needed) I
Performance of on/off-site work (commissioning, tests, measurements or other work) P
Replacement R
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 drive inspections to ensure the highest reliability and optimum performance.
Note: Long term operation near the specified maximum ratings or ambient conditions may
require shorter maintenance intervals for certain components. Consult your local ABB Service
representative for additional maintenance recommendations.
Power connections and quick connectors
￭ Retightening the power connections
WARNING!
Obey the instructions in chapter Safety instructions. If you ignore them,
injury or death, or damage to the equipment can occur.
1. Stop the drive and do the steps in section Electrical safety precautions (page 16) before
you start the work.
2. Check the tightness of the cable connections. Use the tightening torques given in chapter
Technical data.
126 Maintenance