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 extension shaft for Clean Room/ IP54 robots
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.
xx2100002421
For robots with protection class IP54 (option 3350-
540)
For robots with protection type Clean Room (op-
tion 3351-1)
Install the extension shaft to the ball screw on the
upper side of the mechanical stopper.
Note
For robots with protection class IP54 (option 3350-
540)
Check the gasket for the extension shaft and re-
place it if needed.
2
Continues on next page
406 Product manual - IRB 920
3HAC075721-001 Revision: C
© Copyright 2022 ABB. All rights reserved.
5 Repair
5.6.1 Replacing the mechanical stopper
Continued
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