NoteAction
xx1900001617
For robots with protection class IP54 (option 3350-
540)
For robots with protection type Clean Room (op-
tion 3351-1)
Install the shaft to the ball screw at 40.2 mm pos-
ition to the lower of the ball screw.
2
Screws: Hexagon socket set
screws with flat point, ISO 4026
stainless steel M3x8 (2 pcs)
For robots with protection class IP54 (option 3350-
540)
For robots with protection type Clean Room (op-
tion 3351-1)
3
Tightening torque: 0.4 Nm ±10%
xx1900001616
Secure the shaft to the ball screw with the screws.
xx1900001805
For robots with protection class IP54 (option 3350-
540)
Apply the glue to the upper contacted zone
between the shaft and the ball screw.
Note
Fulfill the gaps on the ball screw in this contacted
zone to make a sealing structure.
4
Continues on next page
702 Product manual - IRB 920
3HAC075721-001 Revision: C
© Copyright 2022 ABB. All rights reserved.
5 Repair
5.6.11 Replacing the outer arm
Continued