ABB Robotics IRB 4600 Manual page 266

4 Repair
4.4.3 Replacing wrist unit
Continued
2
3
4
5
6
Refitting of wrist unit
Use this procedure to refit the wrist unit.
1
Continues on next page
266
Action
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the robot working
area.
Drain oil from gearbox axes 5-6.
CAUTION
The robot wrist unit weighs 25 kg (IRB 4600 -
60/2.05, - 45/2.05, -40/2.55) and 15 kg (IRB 4600
- 20/2.50).
All lifting accessories used must be sized ac-
cordingly!
Secure the wrist unit with a roundsling in an
overhead crane or similar.
Remove the attachment screws and carefully
remove the wrist unit.
CAUTION
Do not damage the gears.
Action
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the robot working
area.
© Copyright 2009-2021 ABB. All rights reserved.
Note
How to drain the oil from gearbox axes
5-6 is described in section:
• Changing oil, axes-5 and -6
gearboxes on page 173
See the figure in:
• Location of wrist unit on
page 263
Note
Product manual - IRB 4600
3HAC033453-001 Revision: Y