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3 Maintenance
3.3.7 Inspection, balancing device
Continued
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
2
Check for leakage
The front ear of the balancing device is lubricated with grease. After filling, excessive
grease may normally be forced out between the shaft and the sealing ring in the
sealing spacer. This is normal behaviour and must not be confused with incorrect
leaks from the ear.
Continues on next page
172
170.
Check for dissonance
from...
•
bearing at the link ear
•
bearings at the balan-
cing devices attach-
ments.
•
balancing device (a
tapping sound,
caused by the springs
inside the cylinder).
•
piston rod (squeaking
may indicate worn
plain bearings, intern-
al contamination or
insufficient lubrica-
tion).
170.
Check for damage on...
•
the piston rod (part of the piston
rod that is visible at the front of the
balancing device).
•
the securing screw in the front ear
shaft.
Also check the tightening torque (50 Nm).
© Copyright 2007-2013 ABB. All rights reserved.
Inspection points, balancing device on
If dissonance is detected...
... perform maintenance or upgrade according to given
instructions in Maintenance kit, bearings and seals /
Upgrade kit. The replacement of the bearing at the ear
is also detailed in section
Replacement of spherical roller
bearing, balancing device on page
Art. no. for the kit and the documentation are specified
in section
Required equipment on page
To decide whether to perform maintenance or upgrade,
see section
Action at detected faults on page
...replace the balancing device or consult ABB Robotics.
How to replace the device is detailed in section
cing the balancing device on page
specifies the spare part number!
... perform maintenance or upgrade according to given
instructions in Maintenance kit, complete / Upgrade kit.
Art. no. for the kit and the documentation are specified
in section
Required equipment on page
To decide whether to perform maintenance or upgrade,
see section
Action at detected faults on page
Inspection points, balancing device on
If damage is detected...
... perform maintenance or upgrade accord-
ing to given instructions in Maintenance
kit, complete / Upgrade kit.
Art. no. for the kit and the documentation
are specified in section
ment on page
To decide whether to perform maintenance
or upgrade, see section
faults on page
...replace.
Dimension is specified in section
equipment on page
306.
171.
169.
Repla-
298. This section also
171.
169.
Required equip-
171.
Action at detected
169.
Required
171.
3HAC022033-001 Revision: M
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