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5 Repair
5.6.4 Replacing the ball screw
Continued
4
Releasing the axis-4 timing belt
1
2
3
Removing the lower mechanical stopper
1
2
Continues on next page
312
Action
Release the timing belt.
Action
DANGER
Make sure that all supplies for electrical power,
hydraulic pressure, and air pressure are turned
off.
Loosen the six screws of the axis-4 motor sub-
assembly to let the axis-4 timing belt be free.
Release the timing belt.
Action
DANGER
Make sure that all supplies for electrical power,
hydraulic pressure, and air pressure are turned
off.
Remove the screws.
© Copyright 2023 ABB. All rights reserved.
Note
Note
xx2300000558
Note
For robots with protection class
IP30 (option 3350-300)
xx2300000556
Product manual - IRB 930
3HAC086009-001 Revision: A
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