NoteActionRemove the brake release board from thebracket by removing the four attachmentscrews.8Refitting, brake release boardUse this procedure to refit the brake release board.NoteActionELECTROSTATIC DISCHARGE (ESD)The unit is sensitive to ESD. Before handlingthe unit read the safety information in sectionThe unit is sensitive to ESD on page 311X9X8 X10xx1700000978Connect the connectors X8, X9 and X10 to thebrake release board.Be careful not to damage the sockets or pins.Make sure the connector and its locking armsare snapped down properly.2Maximum tightening torque: 5 Nm.Fasten the brake release board on the bracketwith the attachment screws.Make sure the board is positioned as straightas possible on the bracket! The push buttonscan otherwise get jammed when the SMBcover is refitted.3Shown in the figure Location of brakerelease board on page 174.Art. no. is specified in Required equip-ment on page 174.Refit the complete brake release board (includ-ing brake release board and bracket) to theSMB recess with the two attachment screws.4Verify that the robot cabling is positioned cor-rectly, according to previously taken pic-ture/notes.WARNINGScreened cables must not get in contact withthe brake release board after installation.Eliminate all risks of contact between screenedcables and the brake release board.5Shown in the figure Location of brakerelease board on page 174.Refit the SMB cover with its attachmentscrews.6WARNINGBefore continuing any service work, follow thesafety procedure in The brake release buttonsmay be jammed after service work on page 152.7Shown in the figure Location of brakerelease board on page 174.Refit the push button guard to the SMB cover.8Continues on next page176 Product manual - IRB 7603HAC039838-001 Revision: M© Copyright 2011-2018 ABB. All rights reserved.4 Repair4.3.4 Replacing the brake release boardContinued
