NoteAction
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
to the robot, before entering the safe-
guarded space.
2
WARNING
Handling gearbox oil involves several
safety risks, see Gearbox lubricants (oil or
grease) on page 31.
3
CAUTION
The gearbox can contain an excess pres-
sure that can be hazardous. Open the oil
plug carefully in order to let the excess
pressure out.
4
Place the oil collecting vessel underneath
the oil drain plug.
5
xx1200000956
Remove the oil plug from the drain hole
and let the oil run into the vessel.
6
xx1200000957
Remove the oil plug from the fill/level hole.
Note
The level hole is opened to speed up the
drainage.
7
Continues on next page
Product manual - IRB 6790 147
3HAC063331-001 Revision: B
© Copyright 2019 - 2020 ABB. All rights reserved.
3 Maintenance
3.5.5 Changing oil, axis-4 gearbox
Continued
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