NoteAction
xx2100001099
Refit the outer arm to the axis-2 gear unit on the
inner arm.
Tip
When the gear unit is in the right position, you
can hear a clear "Click".
4
Screws: Hex socket head cap
screw M4x12 12.9 Lafre
2C2B/FC6.9 (16 pcs)
Refit the screws.5
Washers: Spring washer 9x4.3x1
Steel (16 pcs)
Tightening torque: 3.5 Nm ±10%
xx2100001098
Refitting the ball screw lower nut
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
680 Product manual - IRB 920
3HAC075721-001 Revision: C
© Copyright 2022 ABB. All rights reserved.
5 Repair
5.6.11 Replacing the outer arm
Continued
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