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44 Maintenance
I
Inspection (visual inspection and maintenance action if needed)
P
Performance of on/off-site work (commissioning, tests, measurements or other work)
R
Replacement
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.
Cooling system
For instructions on coolant replacement and checking the cooling system, see chapter
Internal cooling
circuit.
Retightening the power connections
WARNING!
Read the safety instructions given in Safety instructions for ACS880
liquid-cooled multidrive cabinets and modules (3AXD50000048633
[English]). If you ignore them, injury or death, or damage to the equipment
can occur.
1. Repeat the steps described in section
2. Check the tightness of the cable connections. Use the tightening torques given in the
technical data.
Electrical safety precautions (page
29).
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