ABB IRB 920 Product Manual page 445

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Refitting the upper mechanical stopper
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Product manual - IRB 920
3HAC075721-001 Revision: C
5.6.3 Replacing the pulley on the ball screw upper position
Action
For robots with protection type Clean Room:
Clean the joints that have been opened and wipe
the parts free from particles with spirit on a lint
free. See Cut the paint or surface on the robot
before replacing parts on page 118
Note
After all repair work, wipe the Clean Room robot
free from particles with spirit on a lint free cloth.
Refit the pulley to the ball screw carefully.
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.
Refit the screws.
Tip
Secure with the stopping tool to prevent the pulley
from rotating.
Action
For robots with protection type Clean Room:
Clean the joints that have been opened and wipe
the parts free from particles with spirit on a lint
free. See Cut the paint or surface on the robot
before replacing parts on page 118
Note
After all repair work, wipe the Clean Room robot
free from particles with spirit on a lint free cloth.
© Copyright 2022 ABB. All rights reserved.
5 Repair
Continued
Note
Screws: Hex socket head cap
screw M5x25 12.9 Lafre
2C2B/FC6.9 (4 pcs)
Tightening torque: 4.4 Nm ±10%
xx2100001080
Note
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