104 Maintenance
Replacing AC fuses (option +C111)
1. Ensure that the converter is disconnected from the power supply network and all other
precautions described in section Safety in installation and maintenance, page 12 have
been taken into consideration.
2. Remove the shrouds in front of the fuses.
3. Open the nuts and disconnect the microswitches. Remove the fuses.
4. Insert new fuses and connect the microswitches.
5. Re-assemble the parts in reverse order.
• The tightening torque for the M12 nuts is 50 N·m (37 lbf·ft).
• The tightening torque for the M8 nuts is 20 N·m (15 lbf·ft).
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