ABB IRB 930 - Page 318

Refitting the ball screw lower nut
NoteAction
DANGER
Make sure that all supplies for electrical power,
hydraulic pressure, and air pressure are turned
off.
1
Screws: Hex socket head cap
screw M5x16 12.9 Lafre
2C2B/FC6.9 (6 pcs)
Put the ball screw lower nut to the outer arm
carefully.
CAUTION
Make sure the ball screw nut works fluently.
2
Tightening torque: 6 Nm ±3%
xx2300000568
Secure the screws on the lower nut to the outer
arm.
3
Refitting the flange to the ball screw shaft
NoteAction
Screws: Hex socket head cap
screw M5x16 12.9 Lafre
2C2B/FC6.9 (6 pcs)
Refit the ball screw flange to 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.
1
Tightening torque: 6 Nm
xx2300000590
Refit the screws.2
Continues on next page
318 Product manual - IRB 930
3HAC086009-001 Revision: A
© Copyright 2023 ABB. All rights reserved.
5 Repair
5.6.4 Replacing the ball screw
Continued