NoteActionLifting accessory, gearbox: 3HAC046128-001Apply the lifting accessory to the gearbox.3Lift the gearbox so that it rests on the side.4Remove the o-ring and wipe it clean.NoteThis shall also be done on a new sparepart!5Check the condition of the o-ring.6Replace if damaged!Wipe clean the contact surfaces.7Also wipe clean the o-ring groove!Lubricate the o-ring.8Fit the o-ring in the groove.9Guide pin, M12x150: 3HAC13056-2Fit two guide pins in opposite holes.TipLubricate the guide pins with some greaseto make the gearbox slide better.10Always use guide pins in pairs!Use caution and lift the gearbox and let itrest on the guide pins.11Secure the gearbox with its attachmentscrews.12Remove the guide pins and replace withthe remaining attachment screws.13Remove the lifting accessory.14See Performing a leak-down test onpage 174.Perform a leak-down test.15Tightening torque: 115 Nm.Tighten the attachment screws.16Screw dimension depends on variant:M12x70.Refitting the upper armNoteActionDANGERMake sure that all supplies for electricalpower, hydraulic pressure, and air pressureare turned off.1Continues on next page518 3HAC044266-001 Revision: -© Copyright 2013 ABB. All rights reserved.4 Repair4.8.3 Replacing the axis-3 gearboxContinued
