ABB IRB 660 Product Manual page 245

Equipment, etc.
Circuit diagram
Removing, SMB unit
Use this procedure to remove the SMB unit.
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2
3
4
5
6
7
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Product manual - IRB 660
3HAC025755-001 Revision: W
Article number
-
Action
Move the robot to the calibration position.
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
read the safety information in section
sensitive to ESD on page
Remove the SMB cover by unscrewing its attachment
screws.
CAUTION
Clean cover from metal residues before opening.
Metal residues can cause shortage on the boards
which can result in hazardous failures.
Use caution and remove the connectors X8, X9 and
X10 from the brake release board, if need of more
space.
Remove the nuts and washers from the guide pins
that secure the board.
Use caution and disconnect the connectors from the
SMB unit when pulling the board out.
Disconnect the battery cable by pressing down the
upper lip of the R2.G connector to release the lock
while pulling the connector upwards.
© Copyright 2006-2020 ABB. All rights reserved.
Note
See chapter
page
The unit is
49.
4 Repair
4.5.2 Replacing the SMB unit
Continued
Circuit diagrams on
355.
Note
Shown in the figure Location of
SMB unit on page 244.
Shown in the figure Location of
SMB unit on page 244.
Connectors R1.SMB1-3,
R1.SMB4-6 and R2.SMB
xx1700000993
Continues on next page
245