3.2 Maintenance schedule and expected component life3.2.1 Specification of maintenance intervalsIntroductionThe intervals are specified in different ways depending on the type of maintenanceactivity to be carried out and the working conditions of the IRB 460:• Calendar time: specified in months regardless of whether the system isrunning or not.• Operating time: specified in operating hours. More frequent running meansmore frequent maintenance activities.• SIS: specified by the robot's SIS (Service Information System). A typicalvalue is given for a typical work cycle, but the value will differ depending onhow hard each part is run. The SIS used in M2004 is further described in theOperating manual - Service Information System.OverhaulDepending on application and operational environment a complete overhaul maybe necessary in average around 40000 hours.ABB Connected Services and its Assessment tools can help you to identify thereal stress level of your robot, and define the optimal ABB support to maintain yourrobot working.Contact your local ABB Customer Service to get more information.98 Product manual - IRB 4603HAC039842-001 Revision: P© Copyright 2012-2018 ABB. All rights reserved.3 Maintenance3.2.1 Specification of maintenance intervals