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3
Check for contamination / lack of free space
1
2
Product manual - IRB 6650S
3HAC020993-001 Revision: AG
Action
Check the o-rings at the front ear for leakage.
Replace the o-rings, if any leaks are detected.
Excessive grease from between the shaft and
the sealing ring is normal and is not considered
as a leak!
Action
DANGER
Turn off all:
•
electric power supply
•
hydraulic pressure supply
•
air pressure supply
to the robot, before entering the safeguarded space.
Check that there are no obstacles inside the frame, that could prevent the balancing
device from moving freely. See the figure
page
131.
Keep the areas around the balancing device clean and free from objects, such as
service tools.
© Copyright 2004-2022 ABB. All rights reserved.
3 Maintenance
3.3.8 Inspecting the balancing device
Note
The o-rings are included in the Main-
tenance kit, bearings and seals,
already assembled with sealing
spacers and sealing rings.
Art. no. for the kit is specified in
quired equipment on page
The replacement of the complete
bearing is also detailed in section
Replacement of spherical roller bear-
ing, balancing device on page
Incorrect leakage is shown in the
previous figure.
Inspection points, balancing device on
Continued
Re-
132.
285.
135
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