ABB Robotics IRB 4600 Manual page 251

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Product manual - IRB 4600
3HAC033453-001 Revision: Y
Action
Attach the lifting accessories to the upper
arm.
Unload the weight of the upper arm by
stretching the roundslings.
Tip
Turn on the power temporarily and release
the brakes of axis 3 to rest the weight onto
the roundslings.
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the robot
working area.
Disconnect all motor cables from motors
axes 3, 4, 5 and 6.
Remove the bracket fitted on the tubular
shaft unit.
Remove the signal lamp, if used.
© Copyright 2009-2021 ABB. All rights reserved.
4.4.1 Replacing the complete upper arm
Note
See Attaching the lifting accessories to
the upper arm on page
How to disconnect cables from motors is
detailed in sections:
• Removing motors on page 287
xx0800000335
Parts:
• A: Tubular shaft unit
• B: Attachment screws M6x16 qual-
ity 8.8-A2F (2 pcs)
• C: Bracket
Continues on next page
4 Repair
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