NoteAction
Screws: Hex socket head cap
screw M4x16 12.9 Lafre
2C2B/FC6.9 (6 pcs)
Put the ball screw lower nut to the outer arm
carefully.
CAUTION
Make sure the ball screw nut works fluently.
3
Tightening torque: 3.5 Nm ±10%
xx2100001088
Secure the screws on the lower nut to the outer
arm.
4
Refitting the pulley on the ball screw lower position
NoteAction
ELECTROSTATIC DISCHARGE (ESD)
The unit is sensitive to ESD. Before handling the
unit read the safety information in section The
unit is sensitive to ESD on page 49.
1
For robots with protection type Clean Room:2
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
Product manual - IRB 920 681
3HAC075721-001 Revision: C
© Copyright 2022 ABB. All rights reserved.
5 Repair
5.6.11 Replacing the outer arm
Continued
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