4 Repair
4.5.1. Replacement of SMB unit
3HAC026876-001 Revision: C274
© Copyright 2006-2008 ABB. All rights reserved.
Refitting, SMB unit
The procedure below details how to refit the SMB unit.
2.
DANGER!
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.
3.
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 35
4. Remove the SMB cover by unscrewing its
attachment screws.
Shown in the figure Location of
SMB unit on page 273.
5. Remove the connectors X8, X9 and X10 from the
brake release board, if need of more space.
6. Remove the nuts and washers from the pins securing
the board.
Shown in the figure Location of
SMB unit on page 273.
7. Gently disconnect the connectors from the SMB unit
when pulling the board out.
Connectors R1.SMB1-3,
R1.SMB4-6 and R2.SMB
8. Disconnect the battery cable from the SMB unit. Shown in the figure Location of
SMB unit on page 273.
Action Note
Action Note
1.
DANGER!
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 35
3. Connect the battery cable to the SMB unit. Shown in the figure Location of SMB
unit on page 273.
Continued
Continues on next page
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