ABB OmniCore IRB 6740 Product Manual

NoteActionBrake release tool: 3HAC081310-001Release the brakes on the motor with the brakerelease tool.1 Turn off the brake release tool.2 Connect the tool to the motor power con-nector (MP).3 Release the brakes by turning on the brakerelease tool and pressing the brake releasebutton on the tool.The power for brake release is only appliedfor 180 seconds after activation.DANGERHandling the tool incorrectly will cause seriousinjury.Read and follow enclosed user instructions forthe tool.4User instructions are enclosed withthe tool.xx2100000666WARNINGElectrical damage to the motor may occur if 24Vis supplied to the motor connector for more than30 seconds. Use the specified brake release toolto eliminate the risk.CAUTIONWhenever parting/mating motor and gearbox, thegears may be damaged if excessive force is used.5xx2200001793Lower the motor into position.• Make sure that the motor pinion is properlymated to the gear in the gearbox.• Make sure that the motor pinion does notget damaged.• Make sure that the direction of the cablegland exit is facing the correct way.6Continues on next page488 Product manual - IRB 67403HAC085701-001 Revision: A© Copyright 2023 ABB. All rights reserved.5 Repair5.9.1 Replacing the axis-1 gearboxContinued