NoteActionxx1300000730Remove the screws and washers that holds bracketwith the SMB unit.3xx1300000728Use caution, pull out the SMB unit a little and discon-nect the connectors from the SMB board:R1.SMB1-3, R1.SMB4-6 and R2.SMB4xx1300000731Use caution and pull out the SMB unit and put it inan ESD bag.5Refitting the SMB unitRefitting the SMB unitNoteActionDANGERMake sure that all supplies for electrical power,hydraulic pressure, and air pressure are turnedoff.1ELECTROSTATIC DISCHARGE (ESD)The unit is sensitive to ESD. Before handling theunit please read the safety information in thesection WARNING - The unit is sensitive to ESD!on page 472Continues on next page3HAC044266-001 Revision: - 237© Copyright 2013 ABB. All rights reserved.4 Repair4.4.3 Replacing the SMBContinued
