14. Unplug the cabinet fan power supply cables and remove the fan assembly above the
drive module.
15. Remove the slide extension rails from the left-hand side of the cabinet by undoing the
mounting screws.
16. Install the extension rails at the end of the sliding bars.
17. Undo the upper mounting nuts of the drive module.
18. Undo the lower mounting nuts of the drive module.
19. Slide the drive module towards the end of the sliding bars.
20. Secure the drive module with chains from the lifting eyes.
21. Lift the module out of the cabinet with the lifting device.
22. Install the new module in reverse order.
Maintenance 177