4 Repair
4.4.3 Replacing the SMB
Continued
Removing the SMB unit
Use these procedures to remove the SMB unit.
Preparations before disconnecting cables from the SMB and BU units
1
2
3
4
Disconnecting and removing the SMB unit
1
Continues on next page
236
Action
DANGER
Turn off all:
•
electric power supply
•
hydraulic pressure supply
•
air pressure supply
to the robot, before entering the robot working area.
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 32
Open the small battery cover on the SMB cover, dis-
connect the battery cable and remove the battery.
Remove the SMB cover.
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.
© Copyright 2015-2018 ABB. All rights reserved.
Note
The
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Note
Product manual - IRB 8700
3HAC052853-001 Revision: F