NoteAction
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)
5
Tightening torque: 0.4 Nm ±10%
xx2100002398
Refit the locking screws.
Securing the process hub to outer arm cover
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.
Insert the process hub from the outer arm cover.2
Continues on next page
Product manual - IRB 920 941
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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