ABB IRB 8700 Product Manual page 260

4 Repair
4.5.1 Replacing the upper arm
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8
i
Releasing the brakes on the axis-2 motor
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2
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260
Action
Attach a roundsling looped to the wrist and
to an overhead crane (or similar).
Stretch the lifting accessories to take the
weight of the upper arm.
Adjust the lifting accessories, if needed.
This is a recommendation according to standard EN 1492. Always conform to local regulations.
Action
Before continuing, make sure that the upper arm
is secured in the lifting accessories and overhead
crane.
Stretch the lifting accessories to unload the upper
arm weight.
CAUTION
The upper arm including the wrist weighs approx-
imately 900 kg. All lifting accessories must be
sized accordingly.
In order to release the brakes, connect the 24 VDC
power supply.
Connect connector R2.MP2:
• pin 2 = 24V
• pin 5 = 0V
© Copyright 2015-2020 ABB. All rights reserved.
Note
Roundsling 3 m with lifting capacity: 2,000
i
kg.
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Note
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Product manual - IRB 8700
3HAC052853-001 Revision: M