NoteAction
CAUTION
For robots with protection type Clean Room
Always cut the paint with a knife and grind the
paint edge when disassembling parts of the robot!
See Cut the paint or surface on the robot before
replacing parts on page 118.
3
xx2100001085
Remove the screws and washers.4
Remove the pulley carefully.
CAUTION
If the ball screw nut or ball screw spline nut go
out of the screw shaft, the ball screw is destroyed.
Be careful when you do any work that may cause
this.
5
Refitting the pulley on the ball screw lower position
Use these procedures to refit the pulley.
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 920 469
3HAC075721-001 Revision: C
© Copyright 2022 ABB. All rights reserved.
5 Repair
5.6.4 Replacing the pulley on the ball screw lower position
Continued
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