Removing the cover of the outer arm
NoteAction
DANGER
Make sure that all supplies for electrical power,
hydraulic pressure, and air pressure are turned
off.
1
For robots with protection class
IP30
Remove the screws on the cover of the outer arm
and remove the cover.
2
xx2300000488
Releasing the axis-3 timing belt
NoteAction
DANGER
Make sure that all supplies for electrical power,
hydraulic pressure, and air pressure are turned
off.
1
DANGER
Make sure that the ball screw is supported with
something.
The sudden drop of the ball screw due the lost of
the axis-3 motor may cause danger.
2
xx2300000557
Loosen the screws of the axis-3 motor sub-as-
sembly to let the axis-3 timing belt free.
3
Continues on next page
Product manual - IRB 930 311
3HAC086009-001 Revision: A
© Copyright 2023 ABB. All rights reserved.
5 Repair
5.6.4 Replacing the ball screw
Continued