ABB IRB 6700 Series Product Manual page 138

3 Maintenance
3.3.8 Inspecting the balancing device
Continued
Check for leakage
The front ear of the balancing device is lubricated with grease.
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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138
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 to the robot
• hydraulic pressure supply to the robot
• air pressure supply to the robot
Before entering the robot working area.
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 2013 - 2018 ABB. All rights reserved.
Note
The o-ring and radial sealings are in-
cluded in the Maintenance kit, bear-
ings and seals already assembled with
sealing spacers and sealing rings.
Article number for the kit is specified
in Required material on page
Replacement of the complete bearing
is described in section Replacing the
balancing device on page
Product manual - IRB 6700
3HAC044266-001 Revision: N
137.
461.