Removal of wrist unit
Use this procedure to remove the wrist unit.
Note
Action
DANGER
Turn off all:
•
electric power supply
•
hydraulic pressure supply
•
air pressure supply
to the robot, before entering the robot working
area.
1
How to drain the oil from gearbox axes
5-6 is described in section:
•
Changing oil, axes-5 and -6
gearboxes on page 176
Drain
oil
from gearbox axes 5-6.
2
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!
3
Secure the wrist unit with a roundsling in an
overhead crane or similar.
4
See the figure in:
•
Location of wrist unit on
page 257
Remove the
attachment screws
and carefully
remove the wrist unit.
CAUTION
Do not damage gears!
5
Refitting of wrist unit
Use this procedure to refit the wrist unit.
Note
Action
DANGER
Turn off all:
•
electric power supply
•
hydraulic pressure supply
•
air pressure supply
to the robot, before entering the robot working
area.
1
Clean all assembly surfaces.
2
Remove any painting from the assembly sur-
faces, with a knife.
See the figure in:
•
Location of wrist unit on
page 257
Not applicable to variant IRB 4600-20/2.50.
Fit
the
o-ring sealing plate
.
3
Continues on next page
3HAC033453-001 Revision: H
259
© Copyright 2009-2013 ABB. All rights reserved.
4 Repair
4.4.3 Replacing wrist unit
Continued
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