NoteArt. no.Spare part no.Equipment, etc.
21522012-541O-ring
(IRB 4400)
Used to lubricate the o-ring
groove.
3HAB3537-1Grease
Loctite 57412340011-
116
Flange sealing
Content is defined in section
Standard tools on page 291.
3HAC17594-
1
Standard toolkit
These procedures include ref-
erences to the tools required.
Other tools and procedures
may be required. See refer-
ences to these procedures
in the step-by-step instruc-
tions below.
Art. no. is specified in section
Calibration on page 263 .
Calibration Pendulum In-
struction
CAUTION
Always cut the paint with a knife and grind the paint edge when disassembling
parts. See Cut the paint or surface on the robot before replacing parts on page 140.
Removal of wrist unit
The procedure below details how to remove the wrist unit from the robot.
Note
This component includes a complete unit comprising motors and gearboxes. It
is a replacement unit of complex design and should not normally be serviced
on-site. Instead it should be sent to ABB for service.
ABB recommends its customers to carry out only the following servicing and
repair work on this unit.
Info/IllustrationAction
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply (do not turn off for
Foundry Prime robots!)
to the robot, before entering the robot work-
ing area.
1
CAUTION
The robot wrist unit weighs 48 kg.
All lifting accessories used must be sized
accordingly!
2
Continues on next page
Product manual - IRB 4400 167
3HAC022032-001 Revision: Q
© Copyright 2004-2018 ABB. All rights reserved.
4 Repair
4.4.2 Replacement of wrist unit
Continued