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 2600:• 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.116 Product manual - IRB 26003HAC035504-001 Revision: G© Copyright 2009-2015 ABB. All rights reserved.3 Maintenance3.2.1 Specification of maintenance intervals