ABB OmniCore IRB 6740 Product Manual page 480

5 Repair
5.9.1 Replacing the axis-1 gearbox
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Action
Lift the arm system up to reach the contact
surfaces underneath the frame.
Wipe clean the contact surfaces from any
remaining contamination.
Lift the arm system to mounting position,
and verify that the hole pattern match and
that the guide pins will enter the correct
holes in the frame.
Note
Also check that the guiding pin in the
gearbox is aligned with the pin hole in the
frame.
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Lower the arm system to align the longest
guide pin into the hole.
Lower the arm system to align the other
guide pin into the hole.
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Note
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Product manual - IRB 6740
3HAC085701-001 Revision: A