3 Maintenance
3.6.1. Flushing a contaminated gearbox
2313HAC022033-001 Revision: K
© Copyright 2004-2011 ABB. All rights reserved.
3.6 Cleaning activities
3.6.1. Flushing a contaminated gearbox
Different types of oil
As the Shell Tivela S 150 is not compatible with mineral oil, contamination with other types
of oils used in the gearboxes is not accepted. Equipment used in handling of Tivela S 150
must be carefully cleaned.
This section details how to flush the primary gears of axis 4 and 5, and the gearbox of axis 6
in case of contamination with other type of oil.
Required equipment
Service program
Create a program with motions on axis 3, 4, 5 and 6. There is no need to remove the tool and
equipment installed on the robot if the Service program can be created and is possible to run.
Recommended motion
• axis 3: ± 15 degrees
• axis 4-6: maximum working range with regard to the installation (limitation: axis 4
and 5: ± 90 degrees, axis 6: ± 180 degrees).
Draining the gearbox properly
The contaminated gearbox must be drained properly before and during the flushing
procedure:
• Axis 4 gearbox: open both oil plugs (filling and draining) and run axis 3 in different
directions. Draw out the last volume (approx. 40 –60 ml) by using a syringe with a
prepared hose end.
• Axis 5 gearbox: open both oil plugs (filling and draining) and run axis 4 back and
forward until the oil draining has stopped.
• Axis 6 gearbox: open both oil plugs (filling and draining) and run axis 5 and 6 in
different directions until the oil draining has stopped.
Equipment Art. no. Note
Lubricating oil 3HAC032140-001 Kyodo Yushi TMO 150
Amount: 700 ml for each gearbox and
flush. Three flushes required.
Oil collecting vessel -
Syringe + plastic hose - D
inside
=4 mm, L= 400 mm.
Standard toolkit 3HAC15571-1 Content is defined in section Standard
toolkit on page 427.
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