NoteAction
Screws: Hex socket head cap
screw M3x30 12.9 Lafre
2C2B/FC6.9 (12 pcs)
Refit the screws.4
For 450: Tightening torque: 1.6 Nm
±3%
For 550/650: Tightening torque: 1.8
Nm ±3%
For robots with protection class
IP30 (option 3350-300)
xx2100001182
For robots with protection class
IP54 (option 3350-540)
For robots with protection type
Clean Room (option 3351-1)
xx2100002439
Refitting the outer arm to the inner arm
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.
Continues on next page
926 Product manual - IRB 920
3HAC075721-001 Revision: C
© Copyright 2022 ABB. All rights reserved.
5 Repair
5.8.2 Replacing the axis-2 gear unit sub-assembly
Continued
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