ABB IRB 930, Product Manual

Page: 285 / 606

Removing the pulley on the ball screw upper position
Use these procedures to remove the pulley.
Preparations before removing the pulley
Note Action
Decide which calibration routine to use, and take
actions accordingly prior to beginning the repair
procedure. 1
If there is no enough space for the maintenance
work, remove the robot from the wall and place it
on the maintenance bracket.
CAUTION
Do not lay down the robot during the transporta-
tion, always keep it straight.
If the robot lay down in any situation, the grease
may come out from gearbox.
2
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the safeguarded
space.
3
Removing the process hub screws
Note Action
DANGER
Make sure that all supplies for electrical power,
hydraulic pressure, and air pressure are turned
off.
1
For robots with protection class
IP30 Remove the screws locking the process hub. 2
xx2300000487
Push the process hub to the outer arm. 3
Continues on next page
Product manual - IRB 930 285
3HAC086009-001 Revision: A
© Copyright 2023 ABB. All rights reserved.
5 Repair
5.6.2 Replacing the pulley on the ball screw upper position
Continued