航空公司培训资料：放电刷的安装测试工卡.docx

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.一、放电刷安装1 .工作准备A.关闭液压源B.飞机断电。2 .放电刷安装前检查a、使用兆欧表测量放电刷电阻。阻值：6-1OOMQ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。D确保工作区域清洁，没有工具和其它物品。2）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.StaticDischargerInspectionandTestBeforeInstallationSUBTASK236100-2l0-001(1) Doavisualinspectionofthestaticdischargerassembly:(a)Replacethestaticdischargerassemblyifyoufinditbroken,damaged,orthemetalpinsarebroken,blunt,orbent.SUBTASK236l-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.SUBTSK23.61-00-910-001(3) Movethestaticdischargertoasafelocationforthetestwithamegohmmeter.SUBTASK236100-764-045(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.1.StaticDischargerInstallationTestSUBTASK236I(IO-72)OOIWARNING:MAKESURETHATTHEBONDINGMETERISRESISTANTTOEXPLOSION.IFNOT,ITISPOSSIBLETHATANEXPLOSIONORFIRECANOCCUR.(1) STATICDISCHARGERSWITHMETALLICSHANK;Useaintrinsicallysafeapprovedbondingmeter,COM-1550,tomeasuretheresistancebetweenthemetalshankofthestaticdischargerandtheaircraftstructure.(a)Makesurethatthemeasuredresistanceisnotmorethan1ohm.(2) STATICDISCHARGERSWITHPLASTICSHANK;Useaintrinsicallysafeapprovedbondingmeter,COM-1550,tomeasuretheresistancebetweenthesetscrewonthestaticdischargershankandtheaircraftstructure.