ABB IRB 920 Product Manual page 504

5 Repair
5.6.5 Replacing the ball screw
Continued
2
3
4
Removing the pulley on the ball screw lower position
1
2
3
Continues on next page
504
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.
DANGER
Make sure that the ball screw is supported with
something.
The sudden drop of the ball screw due the lost of
the axis-3 motor may cause danger.
Loosen the screws of the transmission module to
let the axis-4-2 timing belt free.
Action
DANGER
Make sure that all supplies for electrical power,
hydraulic pressure, and air pressure are turned
off.
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
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.
© Copyright 2022 ABB. All rights reserved.
Note
xx2100001081
Note
The
49.
Product manual - IRB 920
3HAC075721-001 Revision: C