ABB ACS880-207 Hardware Manual page 106

106 Maintenance
Note: As an alternative to using the extraction/installation ramp, a lifter is available from
ABB Service. For more information, contact ABB Service, or see Lifter for air-cooled drive
modules user's guide (3AXD50000332588 [English]).
1. Stop the drive (if running) and do the steps in section
precautions (page 46)
2. Open the cubicle door.
3. Undo the four screws of the shroud in the upper part of the cubicle. Remove the shroud.
4. Unplug the signal connector cable on top of the module.
5. Remove the screws that connect the busbars to the top of the filter module. Be careful
not to drop the screws into the module.
6. Remove the fan of the filter module. Unplug the signal connector cable and remove the
screws in front of the fan.
7. Remove the fastening screws in the busbar behind the module.
8. Remove the two screws that fasten the bottom of the module to the base of the cabinet.
9. Install the module extraction/installation ramp: lift the ramp against the cabinet base so
that the hooks of the base go into the ramp's holes.
10. Remove the two fastening screws that fasten the top of the module to the cabinet frame.
11. Pull the module carefully out of the cabinet along the ramp. While pulling on the handle,
keep a constant pressure with one foot on the base of the module to prevent the module
from falling on its back.
12. Replace the module: install the module in reverse order. Mind you fingers. Keep a
constant pressure with one foot on the base of the module to prevent the module from
falling on its back.
Note: Be careful not to break the fastening screws: tighten the fastening screws of the
module to 22 N·m (16.2 lbf·ft) and fastening bolts of the DC output busbars to 70 N·m
(51.6 lbf·ft).
• Plug the module signal wire set to the module signal connector.
• Fasten the shrouds.
13. Remove the module extraction/installation ramp and close the cabinet doors.
before you start the work.
Electrical safety