5.3.3 Replacing the SMB unit and battery unit
Location of the SMB unit and battery unit
The SMB unit and battery unit are located as shown in the figure.
xx2100001010
Required spare parts
Note
The spare part numbers that are listed in the table can be out of date. See the
latest spare parts of the IRB 920 via myABB Business Portal,
www.abb.com/myABB.
NoteArticle numberSpare part
3HAC063968-001SMB unit
Battery includes protection cir-
cuits. Only replace with a spe-
cified spare part or an ABB-ap-
proved equivalent.
3HAC044075-001Battery unit
3HAC076603-001SMB cover
Used with protection type Clean
Room.
3HAC075438-001Stainless Screw Hexagon Socket
Head Cap, Clean Room
Used with protection type Clean
Room.
3HAC073938-001Gasket, SMB cover
Continues on next page
Product manual - IRB 920 193
3HAC075721-001 Revision: C
© Copyright 2022 ABB. All rights reserved.
5 Repair
5.3.3 Replacing the SMB unit and battery unit
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