ABB Robotics IRB 6790 Product Manual page 143

Draining the axis-3 gearbox
Use this procedure to drain the gearbox.
1
2
3
4
5
6
Product manual - IRB 6790
3HAC063331-001 Revision: B
Action
Run the robot to calibration position.
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
to the robot, before entering the safe-
guarded space.
WARNING
Handling gearbox oil involves several
safety risks, see Gearbox lubricants (oil or
grease) on page 31.
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.
Remove the protective cap from the nipple
of the oil hole and connect the oil dis-
penser.
Remove the plug from the vent hole.
WARNING
Open the vent hole while using the dis-
penser, to avoid damaging vital parts in the
gear.
© Copyright 2019 - 2020 ABB. All rights reserved.
3 Maintenance
3.5.4 Changing oil, axis-3 gearbox
Note
xx1200000954
xx1200000955
Continues on next page
Continued
143