NoteAction
Note
Draining is time-consuming.
Elapsed time varies depending on the
temperature of the oil.
Drain the gearbox oil using an oil collecting
vessel.
7
WARNING
Used oil is hazardous material and must be
disposed of in a proper way. See section De-
commissioning for more information.
8
Tightening torque:Refit oil plugs.9
Other design than Type C, in arm-
house: 10 Nm
Other design than Type C, in gear-
box: 3 Nm
Type C, both plugs: 10 Nm
Draining - alternative method
Use this procedure to drain the oil from the gearbox, as an alternative method.
If this method is used, oil must be sucked out of the gearbox using an oil dispenser.
NoteAction
See the figure in:
• Location of oil plugs on page 166
Move the upper arm of the robot to a position
where the oil plug, gearbox is pointing at the
floor.
1
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the robot working
area.
2
CAUTION
The gearbox can contain an excess of pressure
that can be hazardous. Open the oil plug care-
fully in order to let out the excess pressure.
3
An example of oil dispenser is detailed
in section:
• Type of lubrication in gear-
boxes on page 148
See the figure in:
• Location of oil plugs on page 166
Use an oil dispenser fitted to the oil plug, gear-
box to drain the oil.
4
See the figure in:
• Location of oil plugs on page 166
Replace the oil plug, gearbox with a nipple
where a draining hose is fitted.
5
One example can be found in section:
• Type of lubrication in gear-
boxes on page 148
Connect the oil dispenser.6
Continues on next page
3HAC033453-001 Revision: H 169
© Copyright 2009-2013 ABB. All rights reserved.
3 Maintenance
3.4.5 Changing the oil, axis-3 gearbox
Continued
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