航空股份工程技术维修管理部编制

中文标题:APU燃油泵工作时,检查罩壳排放管及APU CheckAPUFuel-PumpSystemforLeakagefromShroudDrainMastandAPUCompartmentDrainMastwithAPUFuelPumprunning

1 工种

额定工时MPD

审核Examined

AUG01/14

实际工时Real

适用性 To：出厂序号：005628，机身号：005628，有效性号工具信息材料信息

2任务号/TASKNO:1工作任务28-22-00-210-001-TASK28-22-00-210-001-ACheckAPUFuel-PumpSystemforLeakagefromShroudDrainMastandAPUCompartmentDrainMastwithAPUFuelPumprunning2工作准备信息JobSet-upA.参 描 A.Referenced EnergizetheAircraftElectricalCircuitstheExternalEnergizetheAircraftElectricalCircuitstheEnergizetheAircraftElectricalCircuitsEngineDe-energizetheAircraftElectricaldfromtheExternalDe-energizetheAircraftElectricaldfromtheDe-energizetheAircraftElectricaldfromtheEngine1(2) EISStartProcedure3工作准备JobSet- 3任务号/TASKNO:28-22-00-860-058-A.飞机状飞机通电(参考.AMM.任务TASK24-41-00-861-在燃油顶板40VU上,确认所有的LTKPUMPS和RTKPUMPS电门松出.(OFF灯亮).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).子任务28-22-00-865-054-AB.B.Makesurethatthis(these)circuitbreaker(s)is(are)面板名 标识位PANEL IDENT. APU/FUEL/BLOW APU/FUEL/BLOW APU/FUEL/LP APU/FUEL/LP 4工作步骤28-22-00-210-051-在顶板25VU的APU部,按下APUMASTERSWON位(ON实际检查结果（Actualinspectionresult） 4任务号/TASKNO:(4)5分钟后,将APUMASTER电门至OFF(ON灯灭)。Subtask28-22-00-210-051-AA.CheckAPUFuelPumpSystemforLeakagefromShroudDrainMastandAPUCompartmentDrainMastwithAPUFuelPumprunningOntheAPUsectionoftheoverheadpanel25VU,pushtheAPUMASTERSWtotheONposition(theONlegendcomeson).OntheECAMcontrolpanel,pushtheFUELpushbuttonswitch.ThelowerECAMdisyunitcomeson.MakesurethattheAPUfuel-valve-positionsymbolshowstheopenExaminethedrainmastatFR47andthe partmentdrainmastforfuelleakage.NOTE:LeaksarenotAfter5minutes,releasetheAPUMASTERSWtotheoffposition(theONlegendgoesoff).5结束工作Close28-22-00-860-059-A.断开飞机电路(参考.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