ABB Robotics IRB 6790 Product Manual page 242

4 Repair
4.4.3 Replacing the SMB
Continued
Disconnecting and removing the SMB unit
1
2
3
4
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242
Action
DANGER
Make sure that all supplies for electrical power and
hydraulic pressure are turned off.
ELECTROSTATIC DISCHARGE (ESD)
The unit is sensitive to ESD. Before handling the unit
please read the safety information in the section
unit is sensitive to ESD on page 49
Remove the screws and washers that secure the SMB
unit bracket.
Pull out the SMB unit a little and disconnect the con-
nectors from the SMB board:
• R1.SMB1-3, R1.SMB4-6 and R2.SMB
• Battery cable connector R2.G.
Disconnect the battery cable by pressing down
the upper lip of the R2.G connector to release
the lock while pulling the connector upwards.
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Note
The
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Product manual - IRB 6790
3HAC063331-001 Revision: B