ABB IRB 8700 Series Product Manual page 466

4 Repair
4.5.7 Replacing the parallel arm
Continued
3
4
5
6
Unscrewing the axis-1 bracket
1
Continues on next page
466
Action
Stretch the lifting accessories to take the
weight of the lower arm.
To release the brakes on axis-2, connect
the 24 VDC power supply.
Connect to connector R2.MP2:
• pin 2 = 24V
• pin 5 = 0V
Release the brakes on axis-2 and with the
help of an overhead crane, lift the lower
arm up as close as possible to calibration
position.
Remove the 24 VDC power supply.
Action
Remove the axis-1 cable bracket to protect
the lower end of the cable harness. Leave
the cables attached!
Note
There is no need to disconnect the motor
cables to axis-1, 2 and 3 motors or to the
SMB unit.
© Copyright 2015-2018 ABB. All rights reserved.
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Product manual - IRB 8700
3HAC052853-001 Revision: F