ABB IRB 6640 Foundry Prime Product Manual page 141

Inspecting the oil level in axis-6 gearbox, wrist type 1
Use this procedure to inspect the oil level in the axis-6 gearbox, for wrist type 1.
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Product manual - IRB 6640 Foundry Prime
3HAC040586-001 Revision: N
Action
WARNING
Handling gearbox oil involves several safety risks.
Before proceeding, please read the safety informa-
tion in the section Safety risks during work with
gearbox lubricants (oil or grease) on page
Move axes 3 and 5 to a horizontal position, and
make sure that the oil plug, filling and inspection is
facing upwards.
DANGER
Turn off all:
• electric power supply to the robot
• hydraulic pressure supply to the robot
Before entering the robot working area.
Make sure that the oil temperature is +25°C ±10°C.
Open the oil plug, filling and inspection.
Turn axis 6 so that the oil plug, draining faces up-
wards.
Open the oil plug, draining.
Slowly turn axis 4, while adjusting axis 6 so that the
oil plug, draining always faces upwards. Turn axis
4 until the axis-4 angle reads -45° to -55°.
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3.3.6 Inspecting the oil level in axis-6 gearbox
Note
39.
This is a precaution to reduce the
temperature dependency of the
measurement.
xx1300000244
This is a precaution to avoid vacu-
um effects by allowing air to enter
at the top of the gearbox.
If equipment that covers the oil
plug, draining is fitted on the robot
so that the oil plug cannot be
opened, then this step can be
skipped.
Continues on next page
3 Maintenance
Continued
A
Note
141