ABB IRB 920 Product Manual page 510

5 Repair
5.6.5 Replacing the ball screw
Continued
2
3
4
Refitting the pulley on the ball screw lower position
1
2
Continues on next page
510
Action
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.
Put the ball screw lower nut to the outer arm
carefully.
CAUTION
Make sure the ball screw nut works fluently.
Secure the screws on the lower nut to the outer
arm.
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.
© Copyright 2022 ABB. All rights reserved.
Note
Screws: Hex socket head cap
screw M4x16 12.9 Lafre
2C2B/FC6.9 (6 pcs)
Tightening torque: 3.5 Nm ±10%
xx2100001088
Note
The
49.
Product manual - IRB 920
3HAC075721-001 Revision: C