ABB IRB 920, Product Manual

Page: 591 / 1008

Refitting the axis-4 second timing belt to the pulley
Note Action
For robots with protection type Clean Room: 1
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.
Timing belt, A4-2: Refit the belt to the pulley. 2
3HAC070471-001
xx2100001086
Ensure that the belt runs correctly in the grooves.
Fastening the ball screw flange
Note Action
DANGER
Make sure that all supplies for electrical power,
hydraulic pressure, and air pressure are turned
off.
1
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 .
2
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.
3
Continues on next page
Product manual - IRB 920 591
3HAC075721-001 Revision: C
© Copyright 2022 ABB. All rights reserved.
5 Repair
5.6.8 Replacing the axis-4 second timing belt
Continued