4 Repair
4.5.4. Replacement of balancing device
3273HAC023082-001 Revision: E
© Copyright 2004-2008 ABB. All rights reserved.
6. Fit the shackle to the balancing device. Art. no. is specified in Required
equipment on page 323!
Attachments are shown in the figure-
Attachment points, balancing device
on page 323.
7.
CAUTION!
The balancing device weighs 210 kg! All lifting
equipment used must be sized accordingly!
8. Lift the balancing device and bring it forward,
gliding the bearing attachments on to the guide
pins.
Note! Make sure not to burden the
guide pins with the weight of the
balancing device!
9. Remove the guide pins.
10. Secure the rear of the balancing device by
fastening the two bearing attachments to the
frame with their four attachment screws.
Shown in the figure Location of
balancing device on page 322!
4 pcs, M16x70, 12.9 quality
UNBRAKO, tightening torque: 300
Nm.
Reused screws may be used,
providing they are lubricated as
detailed in section Screw joints on
page 432 before fitting.
11. Remove the screws from outside of the bearing
attachments and refit the protection plugs.
12. Raise the balancing device to a position where
the balancing device shaft may be inserted
through the piston shaft front eye.
13. Unload the balancing device with the press
tool.
Detailed in section Unloading the
balancing device on page 331.
Art. no. is specified in Required
equipment on page 323!
For an easier reassembling of the
shaft, the piston rod may be pressed
out more than necessary and then
pressed in when fitting the shaft.
14. Lubricate the shaft with grease. Art. no. is specified in Required
equipment on page 323!
15. Apply the shaft press tool to the lubricated
shaft .
Fit the shaft to the piston shaft front eye through
the hole in the frame, using the shaft press tool
and the hydraulic pump .
The hole in the frame is shown in the
figure Attachment points, balancing
device on page 323!
Art. no. is specified in Required
equipment on page 323!
Note! Make sure the shaft is pressed
all the way to the bottom.
16. Refit the securing screw into the shaft using
locking liquid.
M16 x 180, tightening torque: 50 Nm.
Locking liquid is specified in
Required equipment on page 323!
Action Note
Continued
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