ABB IRC5 Product Manual page 306

4 Repair activities, controller IRC5
4.29. Replacement of transformer unit
Continued
Removal
The following procedures details how to remove the transformer unit.
304
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
2.
WARNING!
The transformer weighs between 15 and 40 kg,
use a hoist and lifting slings.
3. Remove the moist dust filter magazine.
(Option)
4. Loosen the attachment screws.
5. Remove the cover.
6. Disconnect the two grounding wires (gnye,
blue).
7. Disconnect the mains power supply wires,
Note/illustration
28.
How to remove the moist dust filter
magazine is detailed in section
Replacement of moist dust filter on
page 173.
xx0500002027
•
•
NOTE!
Make a note of the terminal to which
each of the wires are connected. This
will facilitate reconnection to the same
terminal.
A: attachment screw (4pcs)
B: cover
Continues on next page
3HAC021313-001 Revision: K