new08-B737-01 地面电源

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1、PTR训练教材地面电源操作编号：28-B737-011.GeneralA.Theseprocedurescontainsthetasksincludes:(1)Practice-Groundpowerunit.(2)Supplyexternalpowertothebuses(3)RemoveexternalpowerfromthebusesB.Thetasksgivestepstoenergizetheacanddcbusesformaintenanceorgroundservicing.Thetasksalsogivestepstoremoveelectricalpowerfromthe

2、airplane.C.ThetaskthatremovespowergivesinstructionstomovetheBATswitchtotheOFFposition.WARNING:IfyoulettheBATswitchstayintheONpositionwithoutacpower,theelectricalpowerofthebatterywilldecrease.Theelectricalpowerofthebatterycandecreaseatarateof30to40amps.Atthisrate,thebatterywillhavenoelectricalpower

3、afteronetotwohours.WARNING:Whentheexternalairtemperatureismorethan100(37.8),electricalequipmentcanbecometoohot.Ifyousupplyelectricalpowerformorethan20minutes,youcansupplyconditionedair(AMM21-00-00/201)tokeeptheelectricalequipmentcool.2.Practice–Groundpowerunit.A.General:1).Thereare2typesofGround

4、powerunitinservice.2).TheGroundpowerunitusuallyusedtopowerDOR328inground.3).TheGroundpowerdieselcanservetoalltypesofairplanewithitspowermatchingtheairplane’spower.B.Procedures:TYPE:GroundPowerUnitStep-1.Examinetheexternalpowersupplycordandtheairplaneexternal工具设备模块修正日期：2005.6.22ForTrainingPurposeOn

5、ly页码：11PTR训练教材powersupplyreceptaclebeforeyouconnecttheexternalpowersupplytothereceptacle.Ifyoufindexcessivearcerosion,corrosionandheatdamageordiscolorationtothepinsorreceptacles,repairtheproblemsthatyoufind.Step-1.Contactcabletoairplane.Step-2.Operatetheunittoreadyforservice.(WARNING-1)Step-3.Supp

6、liedelectricalpowertoairplane.(WARNING-2).TYPE:GroundPowerDieselStep-1.Examinetheexternalpowersupplycordandtheairplaneexternalpowersupplyreceptaclebeforeyouconnecttheexternalpowersupplytothereceptacle.Ifyoufindexcessivearcerosion,corrosionandheatdamageordiscolorationtothepinsorreceptacles,repairth

7、eproblemsthatyoufind.Step-2.selecttheproperdieselwithsuitableelectricalpowerforairplaneStep-3.Contactcabletoairplane.Step-4.Operatetheunittoreadyforservice.(WARNING-1)Step-5.Suppliedelectricalpowertoairplane.(WAR