ABB IRB 390 Product Manual page 269

2
Removing the axis-4 motor
1
2
3
Product manual - IRB 390
3HAC066566-001 Revision: B
Action
Loosen the upper end of the telescopic shaft and
secure the shaft against a part of the robot with
a cable tie.
CAUTION
Put some soft material between the surfaces, to
protect them from scratches etc.
Note
Keep the sealing ring and friction shim for refitting.
xx1900001825
Action
Remove the cable bracket from the motor by re-
moving the four screws.
Snap loose the connectors from the connector
bracket and disconnect the motor connectors.
To release the brakes, connect the 24 VDC power
supply.
Connect to R3.MP4-connector:
• + = pin 2
• - = pin 5
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5.6.4 Replacing the axis-4 gear unit pre-stage
Note
xx2000001022
Note
xx2000001031
24 VDC power supply
Continues on next page
5 Repair
Continued
269