NoteActionBits extender: 3HAC12342-1Secure the motor with its attachmentscrews and washers.13Tightening torque: 47 Nm.Use a bits extender in order to reach thescrews. Screw dimension: M10x40 quality 12.9Gleitmo (4 pcs)xx1200001117See Performing a leak-down test onpage 174.Perform a leak-down test.14Lifting back and refitting the lower and upper armUse this procedure to lift back and refit the lower and upper arm unseparated.NoteActionConnect the 24 VDC power supply to theaxis-2 motor to release the brakes of themotor.1Rotation tool: 3HAC7887-1Fit the rotation tool, if not already fitted.2Guide pins: Dimension and article numberdepends on variant.Fit two guide pins in opposite holes in theaxis-2 gearbox.TipLubricate the guide pins with some greaseto make the lower arm slide better.3Guide pin, M16x150: 3HAC13120-2Always use guide pins in pairs!CAUTIONThe lower and upper arms together weigh335 kg.All lifting accessories used must be sizedaccordingly!4See Attaching the lifting accessories onpage 483.Attach the lifting accessories, if not alreadyfitted.5Use caution and slowly lift the lower andupper arm together.6Make sure:• not to stretch any of the cables• that the arm package is level whenlifted.Before putting the arms on the guide pins,check that the hole pattern is matched andin the correct position for all screws.7Slide the lower arm on to the guide pins.8Continues on next page496 3HAC044266-001 Revision: -© Copyright 2013 ABB. All rights reserved.4 Repair4.8.2 Replacing the axis-2 gearboxContinued
