NoteAction
For robots with protection class
IP30 (option 3350-300)
xx2100000944
Remove the screws on the SMB cover to the base.
Note
For robots with protection type Clean Room (op-
tion 3351-1)
Remove the stainless screws on the SMB cover
to the base.
4
Pull the SMB cover with the SMB unit assembly
out together.
Note
For robots with protection class IP54 (option 3350-
540)
For robots with protection type Clean Room (op-
tion 3351-1)
Check the gasket for the SMB cover.
Tip
Replace the gasket if needed.
5
For robots with protection class
IP54 (option 3350-540)
For robots with protection type
Clean Room (option 3351-1)
xx2100002433
Disconnecting the SMB cabling
NoteAction
DANGER
Make sure that all supplies for electrical power,
hydraulic pressure, and air pressure are turned
off.
1
ELECTROSTATIC DISCHARGE (ESD)
The unit is sensitive to ESD. Before handling the
unit read the safety information in section The
unit is sensitive to ESD on page 49.
2
Continues on next page
196 Product manual - IRB 920
3HAC075721-001 Revision: C
© Copyright 2022 ABB. All rights reserved.
5 Repair
5.3.3 Replacing the SMB unit and battery unit
Continued
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