3 Maintenance
3.3.7. Inspection, balancing device
3HAC020993-001 Revision: G
132
©
Co
py
rig
h
t 200
4-
200
8 ABB. All righ
ts reser
v
ed.
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
of spherical roller bearing, balancing device
on page 281
.
Art. no. for the kit and the documentation are
specified in section
.
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
. 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
.
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
2.
•
the securing screw in the front ear
shaft.
Also check the tightening torque (50 Nm).
...replace.
Dimension is specified in section
Continued
Continues on next page
