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ABB 3HAC030211-001 is a wrist motor unit with pinion for wrist axes 4, 5 and 6 service in the IRB 4600 platform. Its configuration is abb-orange motor for the documented 20/2.50 robot variant. Confirm the complete article identity, installed variant and applicable ABB service instructions before replacement.
The motor unit is used within the compact wrist-axis group of the IRB 4600.
Confirm the documented 20/2.50 robot variant and the actual receiving joint.
Verify brake release, feedback and the restored datum before normal wrist motion.
Match the complete article, 20/2.50 configuration, orange execution and actual fourth-, fifth- or sixth-axis location.
Inspect routing and pinion engagement, restore the selected joint datum, then test reduced-speed wrist travel.