NoteAction
Release the timing belt.4
Releasing the axis-4 timing belt
NoteAction
DANGER
Make sure that all supplies for electrical power,
hydraulic pressure, and air pressure are turned
off.
1
xx2300000558
Loosen the six screws of the axis-4 motor sub-
assembly to let the axis-4 timing belt be free.
2
Release the timing belt.3
Removing the lower mechanical stopper
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 (option 3350-300)
Remove the screws.2
xx2300000556
Continues on next page
312 Product manual - IRB 930
3HAC086009-001 Revision: A
© Copyright 2023 ABB. All rights reserved.
5 Repair
5.6.4 Replacing the ball screw
Continued