NoteAction
xx2100001093
Refit the timing belt to the transmission module.2
Timing belt, A4-2:
3HAC070471-001
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.
Continues on next page
640 Product manual - IRB 920
3HAC075721-001 Revision: C
© Copyright 2022 ABB. All rights reserved.
5 Repair
5.6.10 Replacing the transmission module
Continued
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