ABB IRB 930 - Page 316

Removing the pulley on the ball screw upper 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
xx2300000566
Remove the screws.3
Remove the pulley carefully.
Tip
Hold the ball screw to prevent it from dropping.
Or the ball screw may be destroyed.
CAUTION
If the ball screw nut or ball screw spline nut go
out of the screw shaft, the ball screw is destroyed.
Be careful when you do any work that may cause
this.
4
Removing the ball screw flange
NoteAction
DANGER
Make sure that all supplies for electrical power,
hydraulic pressure, and air pressure are turned
off.
1
xx2300000590
Remove the screws.2
Remove the ball screw flange from the ball screw
shaft.
CAUTION
If the ball screw nut or ball screw spline nut go
out of the screw shaft, the ball screw is destroyed.
Be careful when you do any work that may cause
this.
3
Continues on next page
316 Product manual - IRB 930
3HAC086009-001 Revision: A
© Copyright 2023 ABB. All rights reserved.
5 Repair
5.6.4 Replacing the ball screw
Continued