ABB IRC5 Product Manual page 170

4 Repair activities, controller IRC5
4.17. Replacement of transformer unit
Continued
Refitting
The following procedure details how to refit the transformer unit.
168
Action
2.
WARNING!
The transformer weighs between 15 and 40 kg,
use a hoist and lifting slings.
3. Disconnect the two grounding wires (gnye,
blue).
4. Disconnect the mains power supply wires,
5. Remove the two transformer attachment
screws.
6. Lift the transformer unit out with lifting slings
and a hoist.
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.
Note/illustration
NOTE!
Make a note of the terminal to which
each of the wires are connected. This
will facilitate reconnection to the same
terminal.
xx0600003260
•
Note/illustration
26.
A: attachment screw (2pcs)
Continues on next page
3HAC027707-001 Revision: D