4 Repair activities, controller IRC5
4.18. Replacement of fan in computer unit DSQC639
2653HAC021313-001 Revision: K
© Copyright 2004-2008 ABB. All rights reserved.
Refitting (old design of the computer unit DSQC 639)
The procedure below details how to refit the fan in the computer unit.
6. Straighten the fan plate locking device to
loosen the fan unit.
Remove the fan unit.
xx0800000206
• A: fan plate locking device
7. Press out the plastic rivets.
Remove the fan from the fan plate.
xx0800000207
• A: plastic rivet (4 pcs)
Action Note/Illustration
Action Note/Illustration
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 28.
Continued
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