Eaton 380 VCP-Wind Instructions For The Use, Operation And Maintenance

Contents

I.B. 70A2580H02 Page 27Effective November 20126-3 INSPECTION AND MAINTANENCE PROCEDURESNo./Section Inspection Item Criteria Inspection Method Corrective Action1. InsulationInsulationIntegrityDrive InsulatorandMolded Pole Unit SupportMain Circuit to GroundBetween Main CircuitTerminalsControl Circuit to GroundNo dirtandNo crackingWithstandWithstandWithstandVisual CheckVisual CheckHipot TesterHipot TesterHipot TesterClean with lint-free clothorReplace cracked unitClean and retest or replaceClean and retest or replaceClean and retest or replace2. PowerElementsVacuum InterruptersPrimary DisconnectsPrecise Measure-ment from rearAdequate VacuumNo burning or damageMeasurement - Close the circuitbreaker and proceed as describedin Paragraph 6-5Proceed with integrity check asdescribed in Paragraph 6-4Visual CheckIf the front indicator marks arein the red area and the rearmeasurement is not acceptable,replace pole unit assemblyIf integrity check is not satisfactory,replace pole unit assemblyReplace if burned, damaged, or eroded3. ControlCircuitPartsClosing and Tripping DeviceIncluding DisconnectsWiringTerminalsMotorSmooth and correctoperation by controlpowerSecurely tied inproper placeTightSmooth, NormalOperationTest closing and tripping of thecircuit breaker twiceVisual CheckVisual CheckFunctional TestReplace any defective device. Identifyper trouble-shooting chartRepair or tie as necessaryTighten or replace if necessaryReplace brushes or motor4. OperatingMechanismTightness of HardwareDust or Foreign MatterLubricationDeformation or ExcessiveWearManual OperationNo loose or missingpartsNo dust or foreignmatterSmooth operationand no excessivewearNo excessivedeformation or wearSmooth operationVisual and by feelVisual CheckSight, feel and per maintenancescheduleVisual and operationalManual charging, closingand trippingRefer to Table 6 . 1 and tightenor reinstate if necessary withappropriate toolsClean as necessaryRefer to Figure 6 - 1 , Paragraph6-11 and lubricate very spar-ingly with light machine oilRemove cause and replace partsCorrect per troubleshootingchart if necessary