NoteActionxx1300000790Fit an attachment screw in one of the upperholes and use it for security when the liftingaccessory is removed.8Tightening torque: 280 NmSecure the lower arm with its attachmentscrews and washers.9Attachment screws: M16x50 quality steel12.9 Gleitmo (21 pcs)Washers: steel 17x25x3 (21 pcs)Disconnect the 24 VDC power supply (ifused).10Tightening torque: 280 Nmxx1300000788Remove the guide pins and replace themwith the remaining attachment screws.11Remove the lifting accessory from thelower arm.12Refitting the upper armNoteActionDANGERMake sure that all supplies for electricalpower, hydraulic pressure, and air pressureare turned off.1Continues on next page3HAC044266-001 Revision: - 319© Copyright 2013 ABB. All rights reserved.4 Repair4.5.4 Replacing the lower armContinued