Info/IllustrationAction
Draining is detailed in sections Oil
change, gearbox axis 5 and 6 (all robot
versions) on page 121
Drain the oil from the wrist unit.3
xx0300000148
Remove the attachment screws and washers
(A).
4
Wrist unit on robot version IRB 4400.
Remove the wrist unit from the upper arm.5
Refitting, wrist unit IRB 4400
The procedure below details how to refit the wrist unit to robot versions IRB 4400/60
and Foundry Prime.
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 etc.
ABB recommends its customers carry out only the following servicing/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!
Part no. is specified in Required equip-
ment on page 166.
Lubricate the o-ring groove in order to posi-
tion the o-ring.
Fit the o-ring to the wrist.
2
Shown in the figure Location of wrist unit
on page 166.
Continues on next page
168 Product manual - IRB 4400
3HAC022032-001 Revision: Q
© Copyright 2004-2018 ABB. All rights reserved.
4 Repair
4.4.2 Replacement of wrist unit
Continued
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