3 Maintenance
3.3.7. Inspection, balancing device
141
3HAC026876-001 Revision: F
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Check for leakage - Design 2
The front ear of the balancing device is lubricated with grease.
Leaks at o-rings, sealings etc. are not acceptable and must be attended to immediately to avoid
damage to the bearing.
Check the o-rings and sealings in the front ear of the balancing device for leaks.
Check for contamination / lack of free space
Action
Note
1. Clean the area at the front ear from contamina-
tion.
2. Run the robot for some minutes, in order to
move the balancing device piston.
3.
DANGER!
Turn off all electric power, hydraulic and
pneumatic pressure supplies to the robot!
For Foundry Prime robots:
Do not turn off the air pressure to motors and
SMB.
4. Check the o-rings at the front ear for leakage.
5. Replace o-rings if leaks are detected.
The o-rings are included in the
Maintenance kit, bearings and seals
already assembled with sealing
spacers and sealing rings. Art. no. for
the kit is specified in
Replement of the complete bearing is
also described in section
Replacement of spherical roller
bearing, balancing device.
Action
1.
DANGER!
Turn off all electric power, hydraulic and pneumatic pressure supplies to the robot!
For Foundry Prime robots:
Do not turn off the air pressure to motors and SMB.
2. Check that there are no obstacles inside the frame, that could prevent the balancing
device from moving freely. See the figure
Inspection points, balancing device on page
Keep the areas around the balancing device clean and free from objects, such as service
tools.
Continued