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.
2
Disconnect all connectors from the SMB board.3
xx2100002159
Remove the screws that secure the SMB unit.4
xx2100002160
Snap loose and remove the SMB unit.
Put the unit in an ESD bag.
5
Disconnecting and removing the brake release unit
NoteAction
DANGER
Make sure that all supplies for electrical power, hy-
draulic 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 52.
2
Disconnect the connectors R2.BU1 and R2.BU2 from
the brake release board.
3
Continues on next page
308 Product manual - IRB 5720
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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