ABB IRB 6600 - 175/2.55 User Manual page 735

Step
Refitting
The procedure below details how to refit the bleeder resistor.
Please observe the following before commencing any repair work on the controller:
Turn off all electric power supplies 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.
Step Action
3HAC 16246-1
Action
3. Remove the bleeder resistor.
4. Clean the Inside of the air outlet.
5. Clean the back side of the drive units. See Note above.
6. Clean the bleeder resistor.
7. Clean the drive unit fans.
1. Fit the bleeder resistor into position and secure it with the
spring.
2. Secure the cable disconnected during disassembly.
3. Refit the air outlet device.
4. Tighten the M5 screws.
A
6 Maintenance activities, controller cabinet
6.3.3 Cleaning Drive units and air outlet device
Illustration/Note
Detailed in Repairs Manual section
"Replacement of bleeder resistor".
Use an ESD safe vacuum cleaner.
See Note above.
See Note above.
Note/Illustration
Art. no. is specified above!
Also see the figure above!
101