ABB OmniCore IRB 6740 Product Manual page 517

Loosening the cable brackets
Use this procedure to lift the lower and upper arm mounted together, with the cable
harness and DressPack kept installed in the base and in the frame.
1
2
Disconnecting the axis-2 motor cables
Use this procedure to disconnect the motor cables.
1
2
Product manual - IRB 6740
3HAC085701-001 Revision: A
Note
Keeping the cable harness and DressPack fitted on the robot during gearbox
replacement is only a recommendation. If it is not possible to put the lower and
upper arm close enough to the robot, the cable harness and DressPack in the
base and in the frame must be removed first.
Action
Unscrew the attachment screws that secure
the axis-2 lower arm metal clamp and the
axis-3 lower arm metal clamp located on
the inside of the lower arm by removing the
attachment screws.
Loosen the cable bracket from the frame
by removing the nuts.
Let it hang loose.
Action
DANGER
Make sure that all supplies for electrical
power, hydraulic pressure, and air pressure
are turned off.
Remove the motor cover by removing the
screws.
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5.9.2 Replacing the axis-2 gearbox
Note
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Note
Continues on next page
5 Repair
Continued
517