ABB IRB 4400/60 - Replacement of Wrist Unit

4.4.2 Replacement of wrist unit
Location of wrist unit
The wrist unit is located in the upper arm as shown in the figure below. (The
illustration shows the IRB 4400.) Removal/refitting procedures differs depending
on robot version.
A more detailed view of the component and its position may be found in chapter
Exploded views, in Product manual, spare parts - IRB 4400.
xx0300000150
Wrist unitA
O-ringB
Sealing surface between wrist unit and upper arm tubeC
Attachment screws and washersD
Required equipment
NoteArt. no.Spare part no.Equipment, etc.
3HAB8271-1Wrist unit
(IRB 4400)
ABB Orange3HAB9398-1Wrist unit
(IRB 4400/L10)
Graphite White3HAC050646-
001
Continues on next page
166 Product manual - IRB 4400
3HAC022032-001 Revision: Q
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4 Repair
4.4.2 Replacement of wrist unit