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Removing the top cover
Note
Action
xx2000001006
Disconnect connector R1.MP from the base.
1
CAUTION
Clean cover from metal residues before opening.
Metal residues can cause shortage on the boards
which can result in hazardous failures.
2
xx1900000407
Remove the SMB battery cover.
Tip
The battery cover is removed to see the battery
position during refitting of the top cover.
3
xx1900000469
Remove the cover by removing the screws and
washers. Also remove the sealing.
4
Removing the SMB unit
Note
Action
ELECTROSTATIC DISCHARGE (ESD)
The unit is sensitive to ESD. Before handling the
unit read the safety information in section
unit is sensitive to ESD on page 42
1
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Product manual - IRB 390
163
3HAC066566-001 Revision: B
© Copyright 2020 - 2021 ABB. All rights reserved.
5 Repair
5.4.3 Replacing the SMB unit
Continued
Summary of Contents for IRB 390
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