NoteAction
Screws: Hex socket head cap
screw M4x16 12.9 Lafre
2C2B/FC6.9 (4 pcs)
Refit the transmission module flange and secure
with the screws and washers.
3
Washers: Spring washer 9x4.3x1
Steel (4 pcs)
Tightening torque: 3.5 Nm ±10%
xx2100001092
Refitting the transmission module assembly to the outer 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.
Screws: Hex socket head cap
screw M4x20 12.9 Lafre
2C2B/FC6.9 (4 pcs)
Refit the transmission module assembly to the
outer arm.
Tip
Place the axis-4 second timing belt through the
ball screw flange.
2
Washers: Plain washer machining
4.2x9x2 steel (4 pcs)
Tightening torque: 2.6 Nm ±10%
xx2100001091
Secure with the screws without fully tightened.3
Continues on next page
590 Product manual - IRB 920
3HAC075721-001 Revision: C
© Copyright 2022 ABB. All rights reserved.
5 Repair
5.6.8 Replacing the axis-4 second timing belt
Continued
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