ABB IRC5P, Product Manual, Page: 153 / 220

7 Repair
Product Manual, Control Cabinet IRC5P 3HNA009834-001 en Rev.06 153
7.13 Replacement of Computer Fan Unit
7.13 Replacement of Computer Fan Unit
Location
The Computer Fan Unit is located inside the computer unit as shown below.
Figure 78 Computer unit, location of fan unit
References
– ’Replacement of Computer Unit’ on page 143
Tools and Items
– Hand tools
Removal
The procedure describes how to remove the computer fan unit.
WARNING! No repair work must be performed on the robot before the safety
regulations in ’Safety’ on page 13 have been read and understood.
CAUTION!
The unit is sensitive to ESD. Before handling the unit, please observe
the safety information in ’ESD Precautions’ on page 130.
1. Turn the electrical disconnect switch ‘off’ and lock switch in ‘off’ position.
WARNING! Make sure that the mains switch is ‘off’ and locked in ‘off’ position
before continuing. Also make sure that possible other connected systems are ‘off’.
2. Remove the Computer Unit assembly as described in procedure ’Replacement
of Computer Unit’ on page 143.
3. Remove cover attachment screws, disconnect fan unit connector ( 78 /2) and
remove cover.
1 Computer fan unit
2 Fan connector
3 Fan attachment screws
1
2
3
1