ABB OmniCore IRB 6740 Product Manual page 106

4 Maintenance
4.3.2 Inspecting the balancing device
Continued
Check for leakage
Leaks at o-rings, radial sealings etc. are not acceptable and must be attended to
immediately to avoid damage to the bearing.
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Continues on next page
106
Shaft
Radial sealing with dust lip, 50x68x8 (2 pcs)
O-ring, 85x3
End cover
Action
Clean the area at the front ear from contamina-
tion.
Run the robot for some minutes, in order to
move the balancing device piston.
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the safeguarded
space.
Check the area around the o-ring and radial
sealings at the front ear, for leakage.
Replace o-ring and radial sealings if leaks are
detected.
© Copyright 2023 ABB. All rights reserved.
Note
Maintenance set, link ear:
3HAC087168-001
Replacement of the complete bearing
is described in section Replacing
spherical roller bearing, balancing
device link ear on page 230.
Product manual - IRB 6740
3HAC085701-001 Revision: A