NoteArt. no.Equipment, etc.
See chapter Circuit diagrams on
page 357.
-Circuit Diagram
Removing, SMB unit
Use this procedure to remove the SMB unit.
NoteAction
Move the robot to the calibration position.1
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the robot working area.
2
xx0200000023
3
WARNING!
The unit is sensitive to ESD. Before handling the unit
please read the safety information in the section
WARNING - The unit is sensitive to ESD! on page 48
Shown in the figure Location of
SMB unit on page 171.
Remove the SMB cover by unscrewing its attachment
screws.
4
Remove the connectors X8, X9 and X10 from the
brake release board, if need of more space.
5
Shown in the figure Location of
SMB unit on page 171.
Remove the nuts and washers from the pins that se-
cure the board.
6
Connectors R1.SMB1-3,
R1.SMB4-6 and R2.SMB
Gently disconnect the connectors from the SMB unit
when pulling the board out.
7
Shown in the figure Location of
SMB unit on page 171.
Disconnect the battery cable from the SMB unit.8
Refitting, SMB unit
Use this procedure to refit the SMB unit.
NoteAction
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the robot working
area.
1
Continues on next page
172 3HAC039838-001 Revision: C
© Copyright 2013 ABB. All rights reserved.
4 Repair
4.3.3 Replacing the SMB unit
Continued
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