ABB Robotics IRB 1520 Product Manual page 123

Draining, axis 5-6 gearbox
Use this procedure to drain the axis 5-6 gearbox.
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Product manual - IRB 1520
3HAC043435-001 Revision: L
3.4.5 Changing the oil in axes 5 and axis 5 and 6 gearboxes, IRB 1520ID
Action
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the robot
working area.
WARNING
Handling gearbox oil involves several
safety risks, see Gearbox lubricants
(oil or grease) on page 32.
Position the robot as shown in the fig-
ure to the right:
• upper arm: upwards for a stand-
ing robot.
• axis 4: - 90º, to a position where
the oil plug (A) is faced down-
wards.
Note
The total amount of oil will not be
drained. There will remain approxim-
ately 20 ml in the wrist unit.
CAUTION
The gearbox can contain an excess of
pressure that can be hazardous. Open
the oil plug carefully in order to let out
the excess pressure.
Remove the oil plug (A) and the ventil-
ation plug (B).
© Copyright 2012-2020 ABB. All rights reserved.
3 Maintenance
Note
The capacity of the vessel must be sufficient
to take the complete amount of oil.
The figure shows IRB 1600 but the upper arm
position is the same for the IRB 1520.
xx0700000033
Shown in figure Location of oil plugs, axis 5-6
gearbox on page 122.
Continues on next page
Continued
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