2.3.4 Manually releasing the brakesIntroduction to manually releasing the brakesThis section describes how to release the holding brakes for the motors of eachaxis.Location of brake release unitThe internal brake release unit is located as shown in the figure.NoteAxes 4 and 5 do not exist!xx0500002286Releasing the brakesThis procedure details how to release the holding brakes when the robot is equippedwith an internal brake release unit.NoteActionButtons are shown in figure Loca-tion of brake release unit onpage 67.The internal brake release unit is equipped withbuttons for controlling the axes brakes. The buttonsare numbered according to the numbers of theaxes.NoteAxes 4 and 5 do not exist!1If the robot is not connected to the controller, powermust be supplied to the connector R1.MP accordingto the section Supplying power to connector R1.MPon page 68.DANGERWhen releasing the holding brakes, the robot axesmay move very quickly and sometimes in unexpec-ted ways.Make sure no personnel is near or beneath the ro-bot.2Continues on next pageProduct manual - IRB 760 673HAC039838-001 Revision: M© Copyright 2011-2018 ABB. All rights reserved.2 Installation and commissioning2.3.4 Manually releasing the brakes