ABB IRB 920 Product Manual page 513

2
Product manual - IRB 920
3HAC075721-001 Revision: C
Action
Refit the mechanical stopper to the ball screw at
1 mm position to the upper of the ball screw.
Note
For robots with protection class IP54 (option 3350-
540)
For robots with protection type Clean Room (op-
tion 3351-1)
Refit the mechanical stopper to the ball screw at
2 mm position to the upper of the ball screw.
Tip
Hold the ball screw to prevent it from dropping.
Or the ball screw may be destroyed.
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.
© Copyright 2022 ABB. All rights reserved.
5 Repair
5.6.5 Replacing the ball screw
Continued
Note
xx1800002859
For robots with protection class
IP30 (option 3350-300)
xx1900002012
For robots with protection class
IP54 (option 3350-540)
For robots with protection type
Clean Room (option 3351-1)
xx1900002011
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