1. Stop the drive and do the steps in section Electrical safety precautions (page 21)
before you start the work.
2. Make sure that all other precautions described in section Grounding (page 23)
have been taken into consideration.
3. For option +B051, remove the clear plastic shrouds on the power cables and parts
in front of the drive module.
4. Disconnect the power cables.
5. Disconnect the external control cables from the drive module. If the drive is
equipped with an external control unit (option +P906), disconnect the power
supply cables, STO cables and the fiber optic cables from the external control unit
and wind them on the top of the drive module. Remove the middle front cover of
the drive module to be able to disconnect the cables. 2 × combi screws M4×8 T20,
2 N·m (18 lbf·in).
6. Remove the screws that attach the drive module to the cabinet at the top and
behind the front support legs.
7. Attach the extraction/installation ramp to the cabinet base with two screws.
8. To prevent the drive module from falling, attach its top lifting lugs with chains to
the cabinet (1) before you push the module into the cabinet and pull it from the
cabinet. Push the module into the cabinet and pull it from the cabinet carefully
preferably with help from another person. Keep a constant pressure with one foot
on the base of the module (2) to prevent the module from falling on its back.
172 Maintenance
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