NoteAction
Screws: Hex socket head cap
screw M5x16 12.9 Lafre
2C2B/FC6.9 (4 pcs)
Install the flange to the motor and secure with
screws.
2
Washers: Plain washer 11x5.3x1.2
Steel (4 pcs)
Tightening torque:
2.3 Nm ±10%
3HAB3409-212
xx2100001180
Refitting the axis-3 motor sub-assembly
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.
xx2100001181
Refit the motor to the outer arm.
Tip
Move the internal harness out of the way.
2
Timing belt A3:Refit the timing belt to the pulley on the ball screw
and the motor. Ensure that the belt runs correctly
in the grooves.
3
3HAC070464-001
Continues on next page
Product manual - IRB 920 811
3HAC075721-001 Revision: C
© Copyright 2022 ABB. All rights reserved.
5 Repair
5.7.3 Replacing the axis-3 motor sub-assembly
Continued
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