3.3.5 Manually releasing the brakesIntroduction to manually releasing the brakesThis section describes how to release the holding brakes for the axes motors.Location of the brake release unitThe brake release unit is located as shown in the figure.xx2200001727Releasing the brakesThis procedure describes how to release the holding brakes when the robot isequipped with a brake release unit.NoteActionThe internal brake release unit is equipped withbuttons for controlling the axes brakes. The buttonsare numbered according to the numbers of theaxes.NoteIf 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 80.1DANGERWhen 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 6720 793HAC085697-001 Revision: C© Copyright 2023 ABB. All rights reserved.3 Installation and commissioning3.3.5 Manually releasing the brakes