ABB IRB 760 Series Product Manual page 172

4 Repair
4.3.3 Replacing the SMB unit
Continued
Equipment, etc.
Circuit diagram
Removing, SMB unit
Use this procedure to remove the SMB unit.
1
2
3
4
5
6
7
8
Continues on next page
172
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 31
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 2011-2018 ABB. All rights reserved.
Note
See chapter Circuit diagrams on
page 395.
Note
The unit is
Shown in the figure
SMB unit on page
Shown in the figure
SMB unit on page
Connectors R1.SMB1-3,
R1.SMB4-6 and R2.SMB
xx1700000993
Product manual - IRB 760
3HAC039838-001 Revision: M
Location of
171.
Location of
171.