ABB IRB 920 Product Manual page 512

5 Repair
5.6.5 Replacing the ball screw
Continued
Refitting the pulley on the ball screw upper position
1
2
3
4
Refitting the upper mechanical stopper
1
Continues on next page
512
Action
ELECTROSTATIC DISCHARGE (ESD)
The unit is sensitive to ESD. Before handling the
unit read the safety information in section
unit is sensitive to ESD on page
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.
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.
Note
The
49.
Screws: Hex socket head cap
screw M4x16 12.9 Lafre
2C2B/FC6.9 (4 pcs)
Tightening torque: 4.4 Nm ±10%
xx2100001089
Note
Product manual - IRB 920
3HAC075721-001 Revision: C