ABB IRC5 Product Manual page 152

4 Repair activities, controller IRC5
4.11. Replacement of fan in computer unit DSQC639
Continued
Refitting (old design of the computer unit DSQC 639)
The procedure below details how to refit the fan in the computer unit.
150
Action
6. Straighten the fan plate locking device to
loosen the fan unit.
Remove the fan unit.
7. Press out the plastic rivets.
Remove the fan from the fan plate.
Action
1.
DANGER!
Before any work inside the cabinet, please observe
the safety information in section
sure that the main power has been switched off! on
page 26.
Note/Illustration
xx0800000206
• A: fan plate locking device
xx0800000207
• A: plastic rivet (4 pcs)
Note/Illustration
DANGER - Make
3HAC027707-001 Revision: D
A
A
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