3.2 Maintenance schedule3.2.1 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 360:• 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.98 Product manual - IRB 3603HAC030005-001 Revision: U© Copyright 2008-2018 ABB. All rights reserved.3 Maintenance3.2.1 Specification of maintenance intervals