Draining, wrist unit
The procedure below details how to drain oil from the gearboxes in the wrist unit.
Note/IllustrationAction
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the robot working
area.
1
WARNING
Handling gearbox oil involves several safety
risks. Before proceeding, please read the safety
information in the section Safety risks during
work with gearbox lubricants (oil or grease) on
page 38.
2
The capacity of the vessel must be
sufficient to take the complete amount
of oil.
xx0500001434
Position the robot as shown in the figure to the
right:
• upper arm: upwards for a standing robot
• axis 4: 180º, to a position where the oil
plug (A), faces downwards.
Note! The total amount of oil will not be drained.
There will remain approximately 50 ml in the
wrist unit.
3
A Oil plug, draining and filling
The position for an inverted robot is
the opposite!
Shown in the figure Location of oil
plugs on page 138.
Remove the both oil plugs.
Both oil plugs must be removed in order to drain
the wrist unit properly.
4
Refit the oil plug, vent hole.5
Continues on next page
Product manual - IRB 1600/1660 139
3HAC026660-001 Revision: W
© Copyright 2006-2018 ABB. All rights reserved.
3 Maintenance
3.4.2 Changing the oil in axes 5 and 6 gearboxes
Continued
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