ABB OmniCore IRB 6720 Product Manual page 342

5 Repair
5.6.3 Replacing the brake release unit
Continued
3
4
Disconnecting and removing the SMB unit
1
2
3
4
Continues on next page
342
Action
Remove the electronic box screws.
Remove the electronic box, including all internal
equipment.
CAUTION
Clean cover from metal residues before opening.
Metal residues can cause shortage on the boards
which can result in hazardous failures.
Action
DANGER
Make sure that all supplies for electrical power, hy-
draulic pressure, and air pressure are turned off.
ELECTROSTATIC DISCHARGE (ESD)
The unit is sensitive to ESD. Before handling the unit
read the safety information in section
sensitive to ESD on page
Disconnect all connectors from the SMB board.
Remove the screws that secure the SMB unit.
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The unit is
53.
Note
xx2200001721
xx2200001720
Note
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Product manual - IRB 6720
3HAC085697-001 Revision: C