NoteAction
xx2100002161
Connect the battery cable to the SMB unit.
Make sure the lock snaps into place during refit-
ting.
Note
Make sure that the connector is assembled in
the correct direction according to its keying.
5
xx2100002162
Connect all connectors to the SMB board:
• R1.SMB1-3, R1.SMB4-6 and R2.SMB
• If cabling is used for 7th axis (option), refit
the connector R1.SMB7
6
Reconnecting the brake release unit
NoteAction
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 52.
1
Reconnect the connectors R2.BU1 and R2.BU2 to
the brake release board.
2
Refitting the electronic box
NoteAction
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 52.
1
Gasket for cover, electronics:
3HAC073671-001
Check the electronic box gasket.
Replace if damaged.
2
Continues on next page
Product manual - IRB 5720 311
3HAC079195-001 Revision: A
© Copyright 2022 ABB. All rights reserved.
5 Repair
5.7.3 Replacing the brake release unit
Continued
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