ABB IRB 7600 - 500/2.55 Product Manual page 284

4 Repair
4.5.3. Replacement of balancing device
Continued
282
Action
11. Secure the rear of the balancing device by
fastening the two bearing attachments to the
frame with their four attachment screws.
12. Remove the screws from outside of the bearing
attachments and refit the protection plugs.
13. Raise the balancing device to a position where
the balancing device shaft may be inserted
through the piston shaft front eye.
14. Unload the balancing device with the press
tool.
15. Lubricate the shaft with grease.
16. 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 .
17. Refit the securing screw and washer into the
shaft using locking liquid.
18. Lubricate the bearing in the ear with grease
through the lubricating nipple, with a grease
pump.
Fill until excessive grease pierces between the
shaft and the sealing spacer.
19. Restore the balancing device.
Note
Shown in the figure Location of
balancing device on page
4 pcs, M16x90, 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 390 before fitting.
Detailed in section Unloading the
balancing device on page
Art. no. is specified in Required
equipment on page 278!
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.
Art. no. is specified in Required
equipment on page 278!
The hole in the frame is shown in the
figure Attachment points, balancing
device on page 277!
Art. no. is specified in Required
equipment on page 278!
NOTE!
Make sure the shaft is pressed all the
way to the bottom.
M16 x 180, tightening torque: 50 Nm.
Locking liquid is specified in
Required equipment on page
Art. no. and amount are specified in
Required equipment on page
Lubrication is further detailed in
section Lubrication of spherical roller
bearing, balancing device on page
203.
Detailed in section Restoring the
balancing device on page
Continues on next page
3HAC022033-001 Revision: E
276!
290.
278!
278!
294.