4 Repair
4.5.3. Replacement of balancing device
3113HAC022033-001 Revision: K
© Copyright 2004-2011 ABB. All rights reserved.
8. Apply the puller tool, balancing device shaft to
the shaft through the hole in the frame.
The shaft has a M20 thread diameter, as shown
in the figure to the right.
Pull the shaft out using the puller tool and the
hydraulic pump.
Art. no. is specified in Required
equipment on page 309!
The hole in the frame is shown in the
figure Attachment points, balancing
device on page 308!
xx0300000060
NOTE!
The dimension of the shaft puller tool
is M20. Do not mix up with the shaft
press tool used when mounting the
shaft.
9. Restore the balancing device. Detailed in section Restoring the
balancing device using a hydraulic
press tool. on page 324.
10. Secure the two bearing attachments to the
balancing device by replacing the protection
plug on the outside of each attachment, with
securing screws.
The protection plugs must be refitted after
refitting the balancing device, do not loose
them!
Shown in the figure Attachment points,
balancing device on page 308!
Dimensions for the securing screws
are specified in Required equipment
on page 309.
11. Remove the two bearing attachments from the
frame by unscrewing their four attachment
screws.
Shown in the figure Location of
balancing device on page 307!
Make sure the parallel pins inside are
not lost!
12. Fit two guide pins through the upper holes of
the bearing attachments, to the frame.
Art. no. is specified in Required
equipment on page 309!
13. Lift the balancing device gently backwards to a
secure area, allowing the bearing attachments
to slide on the guide pins.
NOTE!
Make sure not to burden the guide
pins with the weight of the balancing
device!
Action Note
Continued
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