ABB ACQ810, Hardware Manual

Page: 100 / 134

100 Maintenance
Replacing the drive module
The drive module can be replaced by disconnecting the pedestal and busbars connected
to it from the drive module and leaving the pedestal and busbars into the cabinet. Proceed
as follows:
WARNING! Follow the safety instructions, page 12 . Ignoring the
instructions can cause physical injury or death, or damage to the
equipment.
1. Disconnect the input power cable from the module.
2. Disconnect the power supply cable and the fibre optic cables from the JCU Control
Unit and coil them on the top of the drive module.
3. Undo the upper fastening screws of the module (if used).
4. Undo the screws (2 pcs) that fasten the outer support bracket to the drive module.
5. Remove the front cover, see page
99 .
6. Undo the pedestal fastening screws.
7. Undo the screws that fasten the internal busbars of the pedestal to the drive module
busbars.
8. Secure the module from the lifting hooks at the top.
9. Pull the module from the cabinet onto a pallet truck.
10. Install the new module in reverse order to the above.
1
3
4
4
4
M6, 8 N·m (6 lbf·ft)