航空股份工程技術維修管理部編制

中文標題:APU燃油泵工作時,檢查罩殼排放管及APU CheckAPUFuel-PumpSystemforLeakagefromShroudDrainMastandAPUCompartmentDrainMastwithAPUFuelPumprunning

1 工種

額定工時MPD

審核Examined

AUG01/14

實際工時Real

適用性 To：出廠序號：005628，機身號：005628，有效性號工具信息材料信息

2任務號/TASKNO:1工作任務28-22-00-210-001-TASK28-22-00-210-001-ACheckAPUFuel-PumpSystemforLeakagefromShroudDrainMastandAPUCompartmentDrainMastwithAPUFuelPumprunning2工作準備信息JobSet-upA.參 描 A.Referenced EnergizetheAircraftElectricalCircuitstheExternalEnergizetheAircraftElectricalCircuitstheEnergizetheAircraftElectricalCircuitsEngineDe-energizetheAircraftElectricaldfromtheExternalDe-energizetheAircraftElectricaldfromtheDe-energizetheAircraftElectricaldfromtheEngine1(2) EISStartProcedure3工作準備JobSet- 3任務號/TASKNO:28-22-00-860-058-A.飛機狀飛機通電(參考.AMM.任務TASK24-41-00-861-在燃油頂板40VU上,確認所有的LTKPUMPS和RTKPUMPS電門松出.(OFF燈亮).Subtask28-22-00-860-058-AA.AircraftMaintenanceEnergizetheaircraftelectricalcircuits(Ref.AMM.TASK24-41-00-861-002).DotheEISstartprocedure(UpperECAMDUandlowerECAMDUonly)(Ref.AMM.TASK31-60-00-860-001).OntheFUELoverheadpanel40VU,makesurethatallLTKPUMPSandtheRTKPUMPSarereleased(theOFFlegendsareon).子任務28-22-00-865-054-AB.B.Makesurethatthis(these)circuitbreaker(s)is(are)面板名 標識位PANEL IDENT. APU/FUEL/BLOW APU/FUEL/BLOW APU/FUEL/LP APU/FUEL/LP 4工作步驟28-22-00-210-051-在頂板25VU的APU部,按下APUMASTERSWON位(ON實際檢查結果（Actualinspectionresult） 4任務號/TASKNO:(4)5分鐘后,將APUMASTER電門至OFF(ON燈滅)。Subtask28-22-00-210-051-AA.CheckAPUFuelPumpSystemforLeakagefromShroudDrainMastandAPUCompartmentDrainMastwithAPUFuelPumprunningOntheAPUsectionoftheoverheadpanel25VU,pushtheAPUMASTERSWtotheONposition(theONlegendcomeson).OntheECAMcontrolpanel,pushtheFUELpushbuttonswitch.ThelowerECAMdisyunitcomeson.MakesurethattheAPUfuel-valve-positionsymbolshowstheopenExaminethedrainmastatFR47andthe partmentdrainmastforfuelleakage.NOTE:LeaksarenotAfter5minutes,releasetheAPUMASTERSWtotheoffposition(theONlegendgoesoff).5結束工作Close28-22-00-860-059-A.斷開飛機電路(參考.AMM24-41-00-862-Subtask28-22-00-860-059-AA.PuttheaircraftbacktoitsinitialOntheECAMcontrolpanel,settheUPPERDISYandLOWERDISYpotentiometerstoOFF.De-energizetheaircraftelectricalcircuits(Ref.AMM.TASK24-41-00-862-002).Putthesystembacktotheserviceable /Non-routinecardreport： Note:ForNon-routinecardsfoundduringtheworkprocess,themechanicshouldnotedownthereport&Non-routinecardnumberandthecorrespondingworkprocedure.TheNon-routinecardshouldbekepttogether