ABB IRB 660 Product Manual page 238

4 Repair
4.5.1 Replacing the balancing device
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238
Action
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the robot working
area.
Remove the protection hood in the upper end
of the balancing device.
Insert two screws, M12x50 in the holes to
neutralize the spring force. Screw in the screws
until they have proper contact with the cylinder
inside.
The length of the cylinder is now locked and
the balancing device is unloaded. It should now
be possible to easily rotate the balancing
device.
Attach a lifting accessories to the balancing
device.
Use the hole in the lifting ear.
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Note
xx1000001112
Product manual - IRB 660
3HAC025755-001 Revision: W