ABB Robotics IRB 6790 Product Manual page 115

Required material
Equipment
Maintenance kit, link ear
Maintenance kit, cradle
Check for dissonance
The check points are shown in the figure
page
1
2
3
Check for damage
Check for damages, such as scratches, general wear, uneven surfaces or incorrect
positions.
The check points are shown in the figure
page
1
Product manual - IRB 6790
3HAC063331-001 Revision: B
114.
Check points
Check for dissonance from
the bearing at the link ear
and the bearings at the rear
attachments.
Check for dissonance from
the balancing device (a tap-
ping sound, caused by the
springs inside the cylinder).
Check for dissonance from
the piston rod (squeaking
may indicate worn plain
bearings, internal contamin-
ation or insufficient lubrica-
tion).
114.
Check points
Check for damage on the part of the pis-
ton rod that is visible at the front of the
balancing device.
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3.3.7 Inspecting the balancing device
Article number Note
3HAC064119-001 The maintenance kit contains all
necessary parts to replace the
bearing.
3HAC064403-001 The maintenance kit contains all
necessary parts to replace the
bearing.
Inspection points, balancing device on
Action
If dissonance is detected, perform maintenance accord-
ing to maintenance kits and instructions in section
placing spherical roller bearing, link ear on page 367
on page ?.
If dissonance is detected, replace the balancing device
or consult ABB Service.
How to replace the device is detailed in section
cing the balancing device on page
specifies the spare part number.
If dissonance is detected, perform maintenance accord-
ing to given instructions in Maintenance kit, complete.
Inspection points, balancing device on
Action
If damage is detected, perform mainten-
ance according to given instructions in
Maintenance kit, complete.
3 Maintenance
Continued
Re-
and
Repla-
382. This section also
Continues on next page
115