4 Repair
4.5.3. Replacement of spherical roller bearing, balancing device
3HAC026876-001 Revision: F296
© Copyright 2007-2010 ABB. All rights reserved.
4. Refit the new bearing and sealings. Described in section Refitting front
bearing and sealing Design 1 on page
421 or in Refitting front bearing with
sealing Design 2 on page 424.
5. Apply grease to the new sealing rings and o-
rings and fit them.
Sealing and o-ring are showed in the
figure Location of bearing, Design 1 on
page 292and Location of bearing, Design
2 on page 293.
6. Refit the end cover. End cover shown in figure Location of
bearing, Design 1 on page 292 or
Location of bearing, Design 2 on page
293.
7. Refit the balancing device to the robot. Detailed in section Replacement of
balancing device (design 1) on page
297orReplacement of balancing device
(design 2) on page 306.
8. Lubricate the spherical roller bearing in the
ear.
NOTE!
The balancing device must be mounted on
the robot when lubrication is performed!
Detailed in section Lubrication of
spherical roller bearing, balancing device
on page 186
9. Make sure no incorrect leakage occurs. It
could indicate damaged o-rings.
Further information is available in section
Check for leakage - Design 1 on page
140.
10.
DANGER!
Make sure all safety requirements are met
when performing the first test run. These are
further detailed in the section DANGER -
First test run may cause injury or damage!
on page 41.
Action Note
Continued
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