ABB IRB 6600 - 175/2.55 User Manual page 585

Step Action
Refitting
The procedure below details how to refit the internal cooling fan.
Please observe the following before commencing any repair work on the controller:
Turn off all electric power supply to the cabinet!
Many components inside the cabinet are sensitive to ESD (ElectroStatic Discharge) and will
be destroyed if subjected to it! Before handling, make sure you are connected to earth through
a special ESD wrist bracelet or similar.
3HAC 16247-1
2. Disconnect the connector E5 or E6 respec-
tively, depending on which fan is to be
replaced.
3. Remove the internal cooling fan inwards by
gently pressing the locking tabs upwards.
A
4 Repair activities, controller cabinet
4.1.6 Replacement of internal cooling fan
Note/Illustration
D
E
xx0200000020
• A: Upper fan
• B: Lower fan
• C: Locking tabs
• D: Connector E5
• E: Connector E6
See the figure above!
A
C
B
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