ABB IRB 920 - Page 939

NoteAction
Screw: Hex socket head cap screw
M4x16 12.9 Lafre 2C2B/FC6.9 (8
pcs)
Refit the cover.
Note
For robots with protection class IP54 (option 3350-
540)
For robots with protection type Clean Room (op-
tion 3351-1)
Refit the cover with bellow.
Check the gasket for the outer arm cover.
Tip
Replace the gasket if needed.
CAUTION
The gasket is in the outer arm.
2
Tightening torque: 2 Nm ±10%
For robots with protection class
IP30 (option 3350-300)
xx2100000933
Refit the screws.3
For robots with protection class
IP54 (option 3350-540)
For robots with protection type
Clean Room (option 3351-1)
xx2100002427
For Clean Room/ IP54 robots
Refitting the top cover and the flange with bearing
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
Product manual - IRB 920 939
3HAC075721-001 Revision: C
© Copyright 2022 ABB. All rights reserved.
5 Repair
5.8.2 Replacing the axis-2 gear unit sub-assembly
Continued