ABB IRB 920 Product Manual page 479

4
5
Refitting the lower bellow to outer arm
1
2
Product manual - IRB 920
3HAC075721-001 Revision: C
5.6.4 Replacing the pulley on the ball screw lower position
Action
For robots with protection class IP54 (option 3350-
540)
Apply the glue to the upper contacted zone
between the shaft and the ball screw.
Note
Fulfill the gaps on the ball screw in this contacted
zone to make a sealing structure.
For robots with protection class IP54 (option 3350-
540)
For robots with protection type Clean Room (op-
tion 3351-1)
Insert the O-ring to the shaft.
Note
Replace the o-ring if needed.
Action
For robots with protection type Clean Room:
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.
For robots with protection class IP54 (option 3350-
540)
Apply the glue to the outer arm.
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5 Repair
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