ABB IRB 920 Product Manual page 680

5 Repair
5.6.11 Replacing the outer arm
Continued
4
5
Refitting the ball screw lower nut
1
2
Continues on next page
680
Action
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".
Refit the screws.
Action
DANGER
Make sure that all supplies for electrical power,
hydraulic pressure, and air pressure are turned
off.
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.
© Copyright 2022 ABB. All rights reserved.
Note
xx2100001099
Screws: Hex socket head cap
screw M4x12 12.9 Lafre
2C2B/FC6.9 (16 pcs)
Washers: Spring washer 9x4.3x1
Steel (16 pcs)
Tightening torque: 3.5 Nm ±10%
xx2100001098
Note
Product manual - IRB 920
3HAC075721-001 Revision: C