NoteActionxx2300000201Remove the guide pins and fit the remain-ing attachment screws and washers.5Tightening torque: standard torque 120 Nm(Tightening torque for lubricated screws(Molykote, Gleitmo or equivalent) with allenhead screws on page 650).Tighten the attachment screws.6Preparations before refitting the upper armNoteActionWipe clean all contact surfaces.1Guide pin, M12x150: 3HAC13056-2Fit two guide pins in opposite M12 holesin the axis-3 gearbox.TipLubricate the guide pins with some greaseto make the upper arm slide better.2Always use guide pins in pairs.xx2300000212Securing the upper armNoteActionCAUTIONThe weight of the complete upper arm (in-cluding the wrist) is 375-405 kg (dependingon robot variant)All lifting accessories used must be sizedaccordingly.1See Attaching the lifting accessories to theupper arm on page 560.Attach the lifting accessories, if not alreadyfitted.2Continues on next page570 Product manual - IRB 67403HAC085701-001 Revision: A© Copyright 2023 ABB. All rights reserved.5 Repair5.9.3 Replacing the axis-3 gearboxContinued