4 Repair
4.6.3. Replacement of pushbutton unit for brake release
3HAC022032-001 Revision: E184
© Copyright 2004-2008 ABB. All rights reserved.
Removal, pushbutton unit
The procedure below details how to remove the pushbutton unit from the robot.
Action Info/Illustration
1.
Turn off all electric power, hydraulic and pneumatic
pressure supplies to the robot!
For Foundry Prime robots: Do not turn off the air
pressure to motors and SMB.
2.
esd
WARNING!
The unit is sensitive to ESD, before handling the unit
please observe the safety information in section
WARNING - The unit is sensitive to ESD! on page 34
3. Secure the robot by moving...
• the lower arm to one of its end positions
• the upper arm to its end position.
4. Remove the rear cover plate. Shown in the figure Location
of pushbutton unit on page
183.
5. Remove the connectors X8, X9 and X10 from the
pushbutton unit.
Shown in the figure
Connectors on pushbutton
unit on page 183.
6. Remove the pushbutton unit by removing its
attachment screws.
Continued
Continues on next page
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