2.3.4 Manually releasing the brakesGeneralThe section below describes how to release the holding brakes of each axis' motor.This can be done in one of three ways:• using the push-button when the robot is connected to the controller.• using the push-button on the robot with an external power supply.• using an external voltage supply directly on the respective brake.DANGERWhen releasing the holding brakes with push-buttons, the robot must be properlyattached!DANGERWhen releasing the holding brakes, the robot axes may move very quickly andsometimes in unexpected ways!Make sure no personnel is near or beneath the robot arm!Using the push-button when the robot is connected to the controllerThis procedure details how to release the holding brakes with push-buttons, whenthe robot is connected to the controller.NoteActionxx0800000272The internal brake release unit is locatedat the base of the robot.1The brake release unit is equipped withsix buttons for controlling the axes brakes.The buttons are numbered according tothe numbers of the axes.2Release the holding brake on a particularaxis by pressing the corresponding buttonon the push-button unit and keeping itdepressed.3The brake will function again as soon asthe button is released.4Continues on next pageProduct manual - IRB 2600 753HAC035504-001 Revision: G© Copyright 2009-2015 ABB. All rights reserved.2 Installation and commissioning2.3.4 Manually releasing the brakes
