ABB IRC5 Product Manual page 232

4 Repair activities, controller IRC5
4.16. Replacement of drive units (Drive System 09)
Continued
Removal
The procedure below details how to remove the Main Drive Unit and the Additional Drive
Units. If your drive system contains an Additional Rectifier Unit, it is replaced in a similar
way.
230
Action
1.
DANGER!
Before any work inside the cabinet,
please observe the safety information in
section DANGER - Make sure that the
main power has been switched off! on
page 30.
2. If an EPS or SafeMove board (option
Electronic Position Switches or
SafeMove) is mounted, the Axis
computer unit must be removed before
removal of the Main Drive Unit.
3. Disconnect all connectors from the unit
to be replaced.
4. Remove the drive unit after unscrewing
its attachment screws.
Note/Illustration
See Replacement of EPS board DSQC 646
on page 238 or Replacement of SafeMove
board DSQC 647 on page
xx0900000025
Parts:
• A: Main Drive Unit
• B: Attachment screws for MDU
• C: Additional Drive Unit
• D: Attachment screws for ADU
Continues on next page
3HAC021313-001 Revision: P
242.