NoteAction
Screws: Hex socket head cap
screw M4x10 12.9 Lafre
2C2B/FC6.9 (5 pcs)
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.
3
Tightening torque: 2.6 Nm±10%
For robots with protection class
IP30 (option 3350-300)
xx2100000932
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.
For robots with protection class
IP54 (option 3350-540)
For robots with protection type
Clean Room (option 3351-1)
xx2100002438
Refitting the axis-2 cover
NoteAction
DANGER
Make sure that all supplies for electrical power,
hydraulic pressure, and air pressure are turned
off.
1
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.
2
Continues on next page
942 Product manual - IRB 920
3HAC075721-001 Revision: C
© Copyright 2022 ABB. All rights reserved.
5 Repair
5.8.2 Replacing the axis-2 gear unit sub-assembly
Continued
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