ABB IRB 660, Product Manual, Page: 290 / 362

Note Action
xx1000001101
Fit the lock screw in the lower arm to secure
axis 2.
CAUTION
Tighten by hand!
5
Secure the weight of the upper arm with
roundslings in an overhead crane. 6
Raise the lifting equipment to take the
weight of the upper arm. 7
Release the brakes of axis 2 to rest the
weight of the axis against the lock screw. 8
Release the brakes of axis 3 to rest the
weight of the axis by the roundslings and
overhead crane. 9
xx1000001111
Remove the two plastic screws in the upper
end of the balancing device.
Note
Keep the plastic screws. They will be refit-
ted later.
10
Continues on next page
290 Product manual - IRB 660
3HAC025755-001 Revision: W
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4 Repair
4.7.2 Replacing the gearbox, axes 2- 3
Continued