ABB IRB 930 - Page 402

NoteAction
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
Remove the axis-3 timing belt.3
Removing the axis-4 timing belt
NoteAction
DANGER
Make sure that all supplies for electrical power,
hydraulic pressure, and air pressure are turned
off.
1
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Loosen the screws of the axis-4 motor sub-as-
sembly to let the axis-4 timing belt be free.
2
Remove the timing belt.3
Removing the pulley on the ball screw lower position
NoteAction
DANGER
Make sure that all supplies for electrical power,
hydraulic pressure, and air pressure are turned
off.
1
ELECTROSTATIC DISCHARGE (ESD)
The unit is sensitive to ESD. Before handling the
unit read the safety information in section The
unit is sensitive to ESD on page 46.
2
Continues on next page
402 Product manual - IRB 930
3HAC086009-001 Revision: A
© Copyright 2023 ABB. All rights reserved.
5 Repair
5.6.8 Replacing the outer arm
Continued