ABB OmniCore IRB 6740 Product Manual

Loosening the cable bracketsUse this procedure to lift the lower and upper arm mounted together, with the cableharness and DressPack kept installed in the base and in the frame.NoteKeeping the cable harness and DressPack fitted on the robot during gearboxreplacement is only a recommendation. If it is not possible to put the lower andupper arm close enough to the robot, the cable harness and DressPack in thebase and in the frame must be removed first.NoteActionxx2100001104Unscrew the attachment screws that securethe axis-2 lower arm metal clamp and theaxis-3 lower arm metal clamp located onthe inside of the lower arm by removing theattachment screws.1xx2200001388Loosen the cable bracket from the frameby removing the nuts.Let it hang loose.2Disconnecting the axis-2 motor cablesUse this procedure to disconnect the motor cables.NoteActionDANGERMake sure that all supplies for electricalpower, hydraulic pressure, and air pressureare turned off.1Remove the motor cover by removing thescrews.2Continues on next pageProduct manual - IRB 6740 5173HAC085701-001 Revision: A© Copyright 2023 ABB. All rights reserved.5 Repair5.9.2 Replacing the axis-2 gearboxContinued