ABB IRB 920 Product Manual page 677

4
5
Removing the ball screw lower nut
1
2
Product manual - IRB 920
3HAC075721-001 Revision: C
Action
Remove the screws and washers.
Remove the pulley carefully.
CAUTION
If the ball screw nut or ball screw spline nut go
out of the screw shaft, the ball screw is destroyed.
Be careful when you do any work that may cause
this.
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.
5 Repair
5.6.11 Replacing the outer arm
Continued
Note
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Note
Continues on next page
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