If the working process is interrupted, extra care must be taken due to risks otherthan those associated with regular operation. Such an interruption may have to berectified manually.Spare parts and special equipmentABB does not supply spare parts and special equipment which have not beentested and approved by ABB. The installation and/or use of such products couldnegatively affect the structural properties of the robot and as a result of that affectthe active or passive safety operation. ABB is not liable for damages caused bythe use of non-original spare parts and special equipment. ABB is not liable fordamages or injuries caused by unauthorized modifications to the robot.Connection of external safety devicesApart from the built-in safety functions, the robot is also supplied with an interfacefor the connection of external safety devices. An external safety function caninteract with other machines and peripheral equipment via this interface. Thismeans that control signals can act on safety signals received from the peripheralequipment as well as from the robot.Personal protective equipmentAlways use suitable personal protective equipment, based on the risk assessmentfor the installation.Allergenic materialSee Environmental information on page 375 for specification of allergenic materialsin the product, if any.24 Product manual - IRB 7603HAC039838-001 Revision: M© Copyright 2011-2018 ABB. All rights reserved.1 Safety1.3.1 Safety risks during installation and service work on robotsContinued