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.CAUTIONReleasing the brakes on the axis-4 motor maycause axis-4 to move unexpectedly.5User instructions are enclosed withthe tool.xx2100000666DANGERHandling the tool incorrectly will cause seriousinjury.Read and follow enclosed user instructions forthe tool.WARNINGElectrical 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.6Press the motor out of its position by using theremoval tools.7CAUTIONThe weight of the motor is 12 kg8Continues on next page414 Product manual - IRB 67403HAC085701-001 Revision: A© Copyright 2023 ABB. All rights reserved.5 Repair5.8.4 Replacing the axis-4 motorContinued