Replacing The Ac Fuses - ABB ACS880-77CC Hardware Manual

Wind turbine converters
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78 Maintenance

Replacing the AC fuses

WARNING!
Only qualified electricians are allowed to do this work. Read the complete safety
instructions of the converter. If you ignore the instructions, physical injury, death,
or damage to the equipment can occur.
1.
Disconnect the converter from the all power sources and make sure it is safe to start
the work. See the safety instructions.
2.
Remove the shrouds in front of the fuses.
3.
Open the M10 screws and remove the fuses.
4.
Insert new fuses.
5.
Re-assemble the parts in reverse order. The tightening torque for the M10 screws is
42 N·m (31 lbf·ft).
2
3

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