ABB IRB 660 Product Manual page 242

4 Repair
4.5.1 Replacing the balancing device
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Action
Adjust the length between the upper and lower
bearings by means of the M12 screws, used to
neutralize the spring force.
This length should preferably be 0.5 mm too
short than 0.1 mm too long. If the distance is
too long the bearings may be damaged when
erecting the balancing device.
Carefully refit the balancing device on the upper
and lower shafts.
Fit the lubricating tool.
The tool should be tightened to the bottom po-
sition by hand power only.
Fill the bearings with grease through the nipple.
Continue until grease excudes behind the inner
sealing.
Remove the lubricating tool and wipe off pro-
truding grease.
Remove the auxiliary shafts.
Apply locking liquid on the threads of the lock
nuts.
© Copyright 2006-2020 ABB. All rights reserved.
Note
xx1000001111
xx1000001271
Art. no. is specified in section
quired equipment on page
Specified in section Required equip-
ment on page 236.
Product manual - IRB 660
3HAC025755-001 Revision: W
Re-
236.