9 Maintenance and Inspection9.1 Inspection Schedule9-1HW1483028HW14830289 Maintenance and Inspection9.1 Inspection ScheduleProper inspections are essential not only to assure that the mechanismwill be able to function for a long period, but also to prevent malfunctionsand assure safe operation. Inspection intervals are classified into sixlevels as shown in table 9-1 “Inspection Items” .In table 9-1 “Inspection Items” , the inspection items are classified intothree types of operation: operations which can be performed by personnelauthorized by the user, operations to be performed by trained personnel,and operations to be performed by service company personnel. Onlyspecified personnel shall perform the inspection work.DANGER• Maintenance and inspection must be performed by specifiedpersonnel.Failure to observe this caution may result in electric shock or injury.• For disassembly or repair, contact your Yaskawa representative.• Do not remove the motor, and do not release the brake.Failure to observe this caution may result in injury from unexpectedturning of the manipulator’s arm.WARNING• Before maintenance or inspection, be sure to turn the main powersupply OFF, and put up a warning sign. (ex. DO NOT TURN THEPOWER ON.)Failure to observe this warning may result in electric shock or injury.CAUTION• The battery pack must be connected before removing detectionconnector when maintenance and inspection.Failure to observe this caution may result in the loss of home positiondata.NOTE• The inspection interval depends on the total servo opera-tion time.• The inspection may be conducted at shorter intervals if themanipulator is used very frequently for the applicationsuch as handling; in this case, contact your Yaskawa rep-resentative.38/69