ABB IRB 6600 - 175/2.55 User Manual page 722

5 Maintenance activities, manipulator
5.2.6 Oil change, gearbox axis 6
Changing, oil
The procedure below details how to change oil in gearbox, axis 6.
Please observe the following before commencing any repair work on the manipulator:
- Motors and gears are HOT after running the robot! Burns may result from touching the
motors or gears!
- Turn off all electric power, hydraulic and pneumatic pressure supplies to the robot!
- Take any necessary measures to ensure that the manipulator does not collapse as parts are
removed, e.g. to secure the lower arm with fixtures if removing motor, axis 2.
When changing gearbox oil, first run the robot for a time to heat up the oil. Warm oil drains
quicker than cold oil.
When filling gearbox oil, do not mix different types of oil unless specified in the instruction.
Always use the type of oil specified by the manufacturer!
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
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 work.
Also be aware of possible over-pressure in gearbox! When opening the oil plug, there may be
pressure resident in the gearbox, causing oil spray from the opening!
Step
88
Action
1. Run the robot to a position where the oil plug,
draining of axis 6 gearbox is facing down-
wards.
2. Drain the oil from gearbox 6 by removing the oil
plug. Collect the oil with a suitable vessel.
3. Refit the oil plug, draining.
4. Remove the oil plug, filling.
5. Refill the gearbox with lubricating oil.
The amount of oil to be refilled depends on the
amount previously being drained. The correct
oil level is detailed in section Inspection, oil
level gearbox axis 6 on page 54.
6. Refit the oil plug.
A
Note/Illustration
Shown in the figure Location of
gearbox on page 87!
Vessel capacity specified in
Required equipment on page 87!
Tightening torque: 24 Nm.
Shown in the figure Location of
gearbox on page 87!
Art. no. and the total amount are
specified in Required equipment
on page 87!
Tightening torque: 24 Nm.
3HAC 16246-1