ABB IRB 6600 - 175/2.55 User Manual page 490

3 Repair activities, manipulator
3.4.1 Removal of SMB related equipment
- Take any necessary measures to ensure that the manipulator does not collapse as parts are
removed, e.g. to secure the lower arm with fixtures if removing motor, axis 2.
Follow these instruction to prevent the unit to be damaged from ESD:
The unit is sensitive to electrostatic discharge. It will be destroyed if subjected to electrostatic
voltages.
Before handling, make sure you are connected to earth through a special ESD wrist bracelet
or similar.
Step
Removal, SMB
The procedure below details how to remove the SMB unit.
unit
Please observe the following before commencing any repair work on the manipulator:
- Motors and gears are HOT after running the robot! Burns may result from touching the
motors or gears!
- Turn off all electric power, hydraulic and pneumatic pressure supplies to the robot!
- Take any necessary measures to ensure that the manipulator does not collapse as parts are
removed, e.g. to secure the lower arm with fixtures if removing motor, axis 2.
Follow these instruction to prevent the unit to be damaged from ESD:
The unit is sensitive to electrostatic discharge. It will be destroyed if subjected to electrostatic
voltages.
Before handling, make sure you are connected to earth through a special ESD wrist bracelet
or similar.
Step
74
Action
1. Remove the SMB battery cover by unscrew-
ing its attachment screws.
2. Disconnect the cable, battery/SMB board
from the battery.
3. Remove the SMB battery.
Battery includes protection circuits. Replace it
only with the specified spare part or with an
ABB approved eqvivalent.
Action
1. Remove the SMB cover by unscrewing
its attachment screws.
2. Remove the connectors X8, X9 and X10
from the brake release board, if need of
more space.
3. Remove the locknut and washer from
the pins securing the board.
4. Gently disconnect the connectors from
the SMB unit when pulling the board out.
5. Disconnect the battery cable from the
SMB unit.
A
Note/Illustration
Shown in the figure Location of
SMB related equipment on page 73!
Shown in the figure Location of
SMB related equipment on page 73!
Shown in the figure Location of
SMB related equipment on page 73!
Note/Illustration
Shown in the figure Location of SMB
related equipment on page 73!
Shown in the figure Location of SMB
related equipment on page 73!
Connectors R1.SMB1-3, R1.SMB4-6 and
R2.SMB
3HAC 16247-1