ABB IRB 660 Product Manual page 239

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Product manual - IRB 660
3HAC025755-001 Revision: W
Action
Remove the upper and lower lock nuts and
support washers (2+2 pcs).
Note
Make sure that the shaft between the upper and
lower arm does not rotate when unscrewing the
lock nuts! The lock nut is locked with Loctite
243.
Fit the auxiliary shafts on the upper and lower
pivot shaft.
Fit the short auxiliary shaft on the upper shaft
and the longer on the lower shaft.
Stretch the roundsling.
Apply a ball bearing puller behind the lower ear
of the balancing device.
Note
The ball bearing puller must be applied around
the spacer ring. See figure!
CAUTION
The balancing device weighs 70 kg.
All lifting accessories used must be sized ac-
cordingly!
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4.5.1 Replacing the balancing device
Note
xx1000001113
Art.no. is specified in
ment on page 236
xx1000001115
Continues on next page
4 Repair
Continued
Required equip-
239