NoteAction
Lifting accessory (chain): 3HAC15556-1
xx1200001308
Attach the upper arm lifting accessory
(chain) to an overhead crane (or similar)
and then to the lifting eye in the arm house
and in the wrist.
4
Raise the lifting accessories to take the
weight of the upper arm.
5
xx1400002197
In case of necessary adjustments, use the
shortening loops on the lifting accessory
(chain) to find the level position.
6
Preparations before removing the upper arm
NoteAction
Guide pin, M12x150: 3HAC13056-2Remove two attachment screws (M12) in
opposite holes and replace them with guide
pins.
Note
Make sure that it is the screws that hold
the lower arm to the axis-3 gearbox that
are removed!
1
Guide pin, M12x200: 3HAC13056-3
Always use guide pins in pairs.
xx1300000659
Tip
Lubricate the guide pins with some grease
to make the upper arm slide better.
Continues on next page
336 Product manual - IRB 6790
3HAC063331-001 Revision: B
© Copyright 2019 - 2020 ABB. All rights reserved.
4 Repair
4.5.4 Replacing the lower arm
Continued
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