4.10 Replacing SMB boardWARNINGSee safety instructions for batteries, Safety risks during handling of batteries onpage 33.Required equipmentNoteThere are different variants of SMB units and batteries. The variant with the3-pole battery contact has longer lifetime for the battery.It is important that the SMB unit uses the correct battery. Make sure to order thecorrect spare parts. Do not replace the battery contact!Removing the SMB boardUse this procedure to remove the SMB board in the SMB box.InformationActionDANGERTurn off all:• electric power supply• hydraulic pressure supply• air pressure supplyto the robot, before entering the robot working area.1xx02000000232WARNINGThe unit is sensitive to ESD. Before handling theunit please read the safety information in the sectionThe unit is sensitive to ESD on page 29Open the cover on the SMB box.CAUTIONClean cover from metal residues before opening.Metal residues can cause shortage on the boardswhich can result in hazardous failures.3Disconnect the cables.4Remove the screws holding the plate.5Pull out the plate.6Continues on next page260 Product manual - IRBT 20053HAC051130-001 Revision: F© Copyright 2015 - 2018 ABB. All rights reserved.4 Repair4.10 Replacing SMB board
