• Make sure that the module does not topple over when you move it on the floor:
To open the support legs, press each leg a little down and turn it aside (1, 2). Whenever
possible secure the module also with chains.
• Do not tilt the drive module. It is heavy and its center of gravity is high. The module
overturns from a sideways tilt of 5 degrees. Do not leave the module unattended on a
sloping floor
1.
Stop the drive and do the steps in section Electrical safety precautions (page 18) before
you start the work.
2. To remove the left-hand side upper and lower front covers of the drive module, undo
the fastening screws. M4×10 combi screws, 2 N·m (18 lbf·in).
3. Disconnect the drive module busbars from the input cabling panel. Combi screw M12,
70 N·m (52 lbf·ft).
4. Disconnect the drive module busbars from the output cabling panel. Combi screw M12,
70 N·m (52 lbf·ft).
5. Remove the front air baffle.
6.
See Step-by-step drawings for an installation example of standard drive configuration
in Rittal VX25 800 mm wide enclosure (page 233):
• Disconnect the drive module from the LCL filter module.
• Undo the screws that attach the drive module to the enclosure frame.
• Attach the extraction ramp to the enclosure base with two screws.
7. Disconnect the power supply cable and the fiber optic cables from the external control
unit and coil them on the top of the drive module.
8. To prevent the drive module from falling, attach its top lifting lugs with chains to the
enclosure frame.
9. Pull the drive module carefully out of the enclosure preferably with help from another
person.
10. Install the new module in reverse order.
Maintenance 167
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