3 Maintenance
3.3.7. Inspection, balancing device
3HAC020993-001 Revision: G132
© Copyright 2004-2008 ABB. All rights reserved.
Check for dissonance
The check points are shown in the figure Inspection points, balancing device on page 130.
Check for damage
Check for damages, such as scratches, general wear, uneven surfaces or incorrect positions.
The check points are shown in the figure Inspection points, balancing device on page 130.
Check for dissonance from... If dissonance is detected...
1. • bearing at the ear
• bearings at the balancing
devices attachments.
... perform maintenance according to given
instructions in Maintenance kit, bearings and
seals. The replacement of the bearing at the
ear is also detailed in section Replacement
of spherical roller bearing, balancing device
on page 281.
Art. no. for the kit and the documentation are
specified in section Required equipment on
page 131.
2. • cylinder (a tapping sound,
caused by the springs inside the
cylinder).
...replace the balancing device or consult
ABB Robotics.
How to replace the device is detailed in
section Replacement of balancing device on
page 286. This section also specifies the
spare part number!
3. • piston rod (squeaking may
indicate worn plain bearings,
internal contamination or insuffi-
cient lubrication).
... perform maintenance according to given
instructions in Maintenance kit, complete.
Art. no. for the kit and the documentation are
specified in section Required equipment on
page 131.
Check for damage on... If damage is detected...
1. • the piston rod (part of the piston
rod that is visible at the front of the
balancing device).
... perform maintenance according to given
instructions in Maintenance kit, complete.
Art. no. for the kit and the documentation
are specified in section Required
equipment on page 131.
2. • the securing screw in the front ear
shaft.
Also check the tightening torque (50 Nm).
...replace.
Dimension is specified in section Required
equipment on page 131.
Continued
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