Draining
The procedure below details how to drain the oil from the gearbox, axis 4.
Tip
When changing gearbox oil, first run the robot for a time to heat up the oil. Warm
oil drains quicker than cold oil.
WARNING
Changing and draining gearbox oil may require handling hot oil of up to 90 °C!
Make sure that protective gear like goggles and gloves are always worn during
this activity.
Also, be aware of possible pressure build up in gearbox! When opening the oil
plug, there may be pressure present in the gearbox, causing oil to spray from
the opening!
Info/IllustrationAction
Move the arms backward and the upper arm to a
nearly vertical position.
1
Shown in the figure Location
of oil plugs on page 118.
Remove the lower oil plug, draining and drain the oil
into an oil collecting vessel.
2
Capacity of the oil collecting
vessel is specified in Re-
quired equipment on
page 118.
Clean and refit the oil plug.3
Filling
The procedure below details how to refill the oil to the gearbox, axis 4.
Note
The specified amount of oil is based on the total volume of the gearbox. When
changing the oil, the amount of refilled oil may differ from the specified amount,
depending on how much oil has previously been drained from the gearbox.
WARNING
When filling gearbox oil, do not mix different types of oil as this may cause severe
damage to the gearbox! Always use the type of oil specified by the manufacturer!
If the oils are mixed, the gearbox must be thoroughly rinsed! Contact ABB for
further instructions!
Continues on next page
Product manual - IRB 4400 119
3HAC022032-001 Revision: Q
© Copyright 2004-2018 ABB. All rights reserved.
3 Maintenance
3.6.3 Oil change, gearbox axis 4
Continued
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