NoteAction
Screws: Hex socket head cap
screw M4x16 12.9 Lafre
2C2B/FC6.9 (1 pcs)
Refit the screw.3
Tightening torque: 6.5 Nm
xx1800002858
Refitting the ball screw with the flange
NoteAction
For robots with protection type Clean Room:1
Clean the joints that have been opened and wipe
the parts free from particles with spirit on a lint
free. See Cut the paint or surface on the robot
before replacing parts on page 118
Note
After all repair work, wipe the Clean Room robot
free from particles with spirit on a lint free cloth.
IRB 920 special tool:3HAC077249-
001
xx2100001083
Refit the ball screw assembly to the outer arm.
Tip
Make sure the marked location is aligned with the
ball screw shaft grooves.
CAUTION
With the inserting of the ball screw shaft, remove
the special tool along with the ball screw shaft
carefully.
2
Continues on next page
514 Product manual - IRB 920
3HAC075721-001 Revision: C
© Copyright 2022 ABB. All rights reserved.
5 Repair
5.6.5 Replacing the ball screw
Continued
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