ABB IRB 920 Product Manual page 621

2
3
For Clean Room/ IP54 robots
Refitting the top cover and the flange with bearing
1
Product manual - IRB 920
3HAC075721-001 Revision: C
Action
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.
Refit the screws.
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.
© Copyright 2022 ABB. All rights reserved.
5.6.9 Replacing the axis-4 timing belt
Note
Screw: Hex socket head cap screw
M4x16 12.9 Lafre 2C2B/FC6.9 (8
pcs)
Tightening torque: 2 Nm ±10%
For robots with protection class
IP30 (option 3350-300)
xx2100000933
For robots with protection class
IP54 (option 3350-540)
For robots with protection type
Clean Room (option 3351-1)
xx2100002427
Note
Continues on next page
5 Repair
Continued
621