YASKAWA SGMAS User Manual
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Contents
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9.2 Inspection and Maintenance9-2199.2 Inspection and Maintenance9.2.1 Servomotor InspectionThe AC servomotors are brushless. Simple, daily inspection is sufficient. The inspection and maintenance fre-quencies in Table 9.6 are only guidelines. Increase or decrease the frequency to suit the operating conditions andenvironment.During inspection and maintenance, do not disassemble the servomotor. If disassembly of the servomotor isrequired, contact your Yaskawa representative.* Measure across the servomotor FG and the phase-U, phase-V, or phase-W power line.9.2.2 SERVOPACK InspectionFor inspection and maintenance of the SERVOPACK, follow the inspection procedures in Table 9.7 at leastonce every year. Other routine inspections are not required.Table 9.6 Servomotor InspectionsItem Frequency Procedure CommentsVibration and Noise Daily Touch and listen. Levels higher than normal?Exterior According to degreeof contaminationClean with cloth or compressedair.−Insulation ResistanceMeasurementAt least once a year Disconnect SERVOPACK andtest insulation resistanceat 500 V. Must exceed 10 MΩ .∗Contact your Yaskawa repre-sentative if the insulationresistance is below 10 MΩ .Replacing Oil Seal At least once every5,000 hoursRemove servomotor frommachine and replace oil seal.Applies only to servomotorswith oil seals.Overhaul At least once every20,000 hours or 5yearsContact your Yaskawa represen-tative.−IMPORTANTTable 9.7 SERVOPACK InspectionsItem Frequency Procedure CommentsExterior At least once a year Check for dust, dirt, and oilon the surfaces.Clean with cloth or compressed air.Loose Screws Check for loose terminalblock and connectorscrews.Tighten any loose screws. |
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