ABB IRB 920 Product Manual page 409

5
Concluding procedure
1
2
Removing the lower mechanical stopper
Use these procedures to remove the lower mechanical stopper.
Preparations before removing the lower mechanical stopper
1
2
Product manual - IRB 920
3HAC075721-001 Revision: C
Action
For robots with protection class IP54 (option 3350-
540)
For robots with protection type Clean Room (op-
tion 3351-1)
Refit the locking screws.
Action
For robots with protection type Clean Room:
Seal and paint the joints that have been opened.
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.
DANGER
Make sure all safety requirements are met when
performing the first test run.
Action
Decide which calibration routine to use, and take
actions accordingly prior to beginning the repair
procedure.
Move the ball screw to lower position.
© Copyright 2022 ABB. All rights reserved.
5.6.1 Replacing the mechanical stopper
Note
Screws: Hexagon socket set
screws with flat point, ISO 4026
stainless steel M3x8 (2 pcs)
Tightening torque: 0.4 Nm ±10%
xx2100002398
Note
Note
Continues on next page
5 Repair
Continued
409