ABB IRB 920 Product Manual page 532

5 Repair
5.6.5 Replacing the ball screw
Continued
3
Concluding procedure
1
2
Continues on next page
532
Action
Secure the process hub to the outer arm cover
with the screws.
Note
For robots with protection class IP54 (option 3350-
540)
For robots with protection type Clean Room (op-
tion 3351-1)
Check the gasket for the process hub.
Tip
Replace the gasket if needed.
CAUTION
Be aware of the cabling that is attached to the
cover! The cover can not be removed completely
until the connectors are disconnected, as shown
in following steps.
Action
For robots with protection type Clean Room:
Seal and paint the joints that have been opened.
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.
Recalibrate the robot.
© Copyright 2022 ABB. All rights reserved.
Note
Screws: Hex socket head cap
screw M4x10 12.9 Lafre
2C2B/FC6.9 (5 pcs)
Tightening torque: 2.6 Nm±10%
For robots with protection class
IP30 (option 3350-300)
xx2100000932
For robots with protection class
IP54 (option 3350-540)
For robots with protection type
Clean Room (option 3351-1)
xx2100002438
Note
Calibration is detailed in section
Calibration on page 945.
Product manual - IRB 920
3HAC075721-001 Revision: C