ABB IRB 390 Product Manual page 206

5 Repair
5.5.2 Replacing the upper arm
Continued
2
3
Loosening the lower arm shafts
1
2
Continues on next page
206
Action
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the safeguarded
space.
Remove any loads or tools attached to the turning
disk.
Action
CAUTION
Make sure that all supplies for electrical power
are turned off.
CAUTION
The delta unit will become unstable when a lower
arm is removed.
Support the weight of the delta unit before remov-
ing the arm to minimize the movement. Either
support the weight from underneath or secure the
weight with a lashing strap through the universal
joints closest to the telescopic shaft.
© Copyright 2020 - 2021 ABB. All rights reserved.
Note
Note
Lashing strap
xx2000000334
Product manual - IRB 390
3HAC066566-001 Revision: B