3 Maintenance
3.4.4. Oil change, gearbox axis 5 and 6 (all robot versions except IRB 4400/L10)
107 3HAC022032-001 Revision: E
© Copyright 2004-2008 ABB. All rights reserved.
Filling oil
The procedure below details how to fill oil to the wrist unit (axis 5 and 6).
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.
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!
When filling gearbox oil, do not overfill, since this could lead to internal over-pressure
inside the gearbox which in turn may:
• - damage seals and gaskets
• - completely press out seals and gaskets
• - prevent the manipulator from moving freely
Action Note/Illustration
1. Move the upper arm to a horizontal position and turn
axis 4 to calibration position.
2. Turn axis 4 so that the oil plug, filling is facing
upwards.
Shown in the figure Location
of oil plugs on page 105.
3. Fill the wrist with lubricating oil through the oil plug
hole, filling.
Fill in intervals so that the oil runs into the wrist.
Art. no. and amount is
specified in Required
equipment on page 105.
Correct oil level is specified
in section Inspection of oil
levels on page 98.
4. Clean and refit the oil plug, filling.
Continued
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