航空公司培训资料：放电刷的安装测试工卡

电子电气测量技能培训序号工作项目工作者/日期1工具航材清点工具：万用表、毫欧表、兆欧表、LCR表航材：临近电门P/N:10-61226-29；放电刷；感温探头；搭接电阻测试盒；2根据放电刷的安装程序，选用合适的测量仪表参看后附的手册AMM23-61-00，先选择测量工作所需的各种工具，并记录工具名称和型号；______XXXXX一、放电刷安装______XXXXX1．工作准备A.关闭液压源B.飞机断电。2.放电刷安装前检查使用兆欧表测量放电刷电阻。阻值：6--100MΩ注：兆欧表使用要远离燃油蒸汽区域b、记录所测阻值____________3.放电刷的安装a、将放电刷放置到位，与放电刷安装匣完美配合4.放电刷的测试a、使用毫欧表测量放电刷与基座的搭接电阻。b、记录所测阻值_____________5.将飞机恢复到初始状态二、结束工作，清理现场。______XXXXX1）确保工作区域清洁，没有工具和其它物品。______XXXXX2）清点工具确定工具齐全。3）将工作现场恢复到初始状态。3结束工作：整理工具、清洁工作场地。G.StaticDischargerInspectionandTestBeforeInstallationSUBTASK23-61-00-210-001(1)Doavisualinspectionofthestaticdischargerassembly:(a)Replacethestaticdischargerassemblyifyoufinditbroken,damaged,orthemetalpinsarebroken,blunt,orbent.SUBTASK23-61-00-764-067WARNING:OBEYTHEPRECAUTIONSTHATFOLLOWWHENYOUUSEAMEGOHMMETER.IFYOUDONOTOBEYTHESEPRECAUTIONS,THENITISPOSSIBLETHATANEXPLOSIONORFIRECANOCCUR.(2)Usetheseprecautionsforpossiblefuelvaporswhenyouuseamegohmmeter:(a)Usetheinsulationmeter,COM-6457orequivalentmeterwitha500VDCtestvoltageandamaximum5milliampereshortcircuitcurrent.(b)Donotuseamegohmmeterattheselocations:1)Afivefoot(1.524meters)diameter,verticalcolumnareasadjacenttoorbelow:•awingfueltankvent(fromtheventtotheground).•openfueltankdoors(fromthedoortotheground).•openfueltankaccesspanels(fromthepaneltotheground).2)Zeroto18in.(457mm)abovethegroundintheareaaroundtheairplane.(c)Makesurethat:1)Areaiswellventilated.2)Metalworkstandsaregrounded.3)Megohmmeterispluggedintoagroundedreceptacle.4)Megohmmeterisinsulatedfrommetalworkstands.SUBTASK23-61-00-910-001(3)Movethestaticdischargertoasafelocationforthetestwithamegohmmeter.SUBTASK23-61-00-764-045(4)Useainsulationmeter,COM-6457tomeasuretheresistancebetweenthestaticdischargertipandthestaticdischargershankbeforeyouinstallthestaticdischarger:(a)Setthemegohmmeterto500VDCtestvoltage.(b)Makeagoodsurfacebondwiththeendofthestaticdischargertip:NOTE:Agoodelectricalbondbetweentheendofthestaticdischargertipandthemegohmmeterisnecessaryforacorrectmeasureoftheresistance.Tomakeagoodconnectionwiththeendofthestaticdischargertip,useawetpapertowel,cottonclothorasponge.1)Tomakeawetmaterial,applywatertoapapertowel,cottonclothorasponge.2)Putthewetmaterialontheendofthestaticdischargertip.(c)Putonemegohmmeterprobeonthestaticdischargershankandtheotherprobeonthewetmaterialattheendofthestaticdischargertip.(d)Measuretheresistanceforthestaticdischarger.1)Makesurethatthemeasuredresistanceisbetween6-100megohms.I.StaticDischargerInstallationTestSUBTASK23-61-00-720-001WARNING:MAKESURETHATTHEBONDINGMETERISRESISTANTTOEXPLOSION.IFNOT,ITISPOSSIBLETHATANEXPLOSIONORFIRECANOCCUR.(1)STATICDISCHARGERSWITHMETALLICSHANK;Useaintrinsicallysafeapprovedbondingmeter,COM-1550,tomeasuretheresistancebetweenthemetalshankofthestaticdischargerandtheaircraftstructure.(a)Makesurethatthemeasuredresistanceisnotmorethan1ohm.(2)STATICDISCHARGERSWIT