前起落架减震支柱

1、job card工卡号：3832070000138320700001jc titleservice - nose gear shock strutservice - nose gear shock strutmechinsp工卡标题勤务 - 前起落架减震支柱勤务 - 前起落架减震支柱机械员检验员tools & equipment 工具和设备：p/n 件号qty 数量designation 名称remark 备注1pf55451-11cart -servicing,landing gear shock strut oil勤务车，起落架减震支柱滑油com-1532;or/或为pf55451

2、-23,pf53481-9p,11042f70200-11tool -strut inflation, landing gear起落架减震支柱充气工具spl-15213j32060-11valve -drain, landing gear shock strut oil 排放活门，起落架减震支柱滑油spl-1829,or/或为a32066-14no specific无特别规定1hose -flexible柔性软管std-1103; 5/8 inch id, oil or hydraulic fluid resistant,6 ft内径5/8英寸，耐滑油和液压油，6英尺长5no specific

3、无特别规定1container容器std-1110;hydraulic fluid resistant,5 gallon (19 liters)耐液压油，5加仑(19升)6no specific无特别规定p/n 件号1qty 数量gage -pressure压力表designation 名称std-1157;0-3000 psig (0-20685 kpa)remark 备注parts & material 部件和航材：p/n 件号qty 数量designation 名称remark 备注1bms3-32ty2as req按需fluid - landing gear shock str

4、ut起落架减速震支柱液压油d004672a-a-59503,type i,grade bp/n 件号as req按需qty 数量nitrogen氮气designation 名称g00018,gaseous,pressurizing,99.5 percent pure气态、增压，纯度99.5%(alternative(备选):bb-a-1034(g02314)air-compressed(压缩空气)remark 备注work content 工作内容：note: perform the task card 38m1215006-1 within 5-10 flight cycles after

5、completed this task card.注： 在执行完本工卡后的5-10个飞行循环内执行工卡38m1215006-1。service the nose landing gear shock strut.前起落架减震支柱勤务。task 12-15-41-610-8021. nose landing gear shock strut servicing (fig.30ure 1) 前起落架减震支柱勤务(图301)a. prepare to do the servicing of the shock strut减震支柱勤务准备warning: make sure that downlock

6、 pins are installed in all the landing gear.without the downlock pins, the landing gear can retract and cause injuries to persons and damage to equipment.警告：确保所有起落架上已经安装放下锁销。否则，起落架可能会收上并伤害人员、损坏设备。(1) if the downlock pins are not installed in the nose and main landing gear, do this task: _ xxxxx land

7、ing gear downlock pins installation (amm task 32-00-01-480-801 p201).如果前和主起落架上没有安装放下锁销，进行工作：起落架放下锁销安装(amm task 32-00-01-480-801 p201)。warning: make sure that personnel and equipment are away from the area below the nose before you deflate the shock strut. when you deflate shock strut, the nose can m

8、ove down and can cause injury to personnel or damage to equipment.警告：减震支柱放气之前，确保人员和设备远离机头下面的区域。当给减震支柱放气，机头会向下移动，这会导致伤害人员或损坏设备。(2) deflate the shock strut 101 for the nose landing gear: _ xxxxx给前起落架减震支柱(101)放气。(a) remove the cap 102 for the gas valve 103 which is on the top of the shock strut 101 .拆下

9、减震支柱101顶部气门103的盖子102。warning: do not remove the valve body unless you deflate the shock strut fully. the air pressure can blow the valve body out and cause injury to personnels.警告：如果减震支柱没有完全放气，不要拆下气门体。否则，气压会将气门体吹出，并可能造成人员伤害。(b) loosen the gas valve swivel nut 104 a maximum of two turns.松开气门旋转螺帽104最多

10、两圈。note: fluid in the shock strut 101 will have bubbles when you release the pressure. deflate the shock strut slowly to prevent the leakage of the fluid through the gas valve 103.注：释放压力时，减震支柱中的液压油会有气泡。缓慢地对减震支柱放气以防止液压油通过气门103渗漏。(c) loosen the gas valve swivel nut 104 fully when all of the pressure i

11、n the shock strut 101 is released.当减震支柱101中的全部压力释放完之后，完全松开气活门旋转螺帽104。note:the shock strut 101 is fully deflated when the dimension "x" is 13.9 inches (350 mm).注：当尺寸x是13.9英寸(350毫米)时，减震支柱101完全放气。(3) drain the oil from the shock strut 101 ,do these steps: _ xxxxx排放减震支柱101液压油，进行下列步骤：(a) remove

12、 the cap 105 from the oil charging valve 106.拆下加油嘴106的盖子105。(b) put a 5 gallon (19 liters) hydraulic fluid resistant container, std-1110 in a position to catch the shock strut fluid when the oil charging valve 106 is opened.将5加仑(19升)耐液压油容器std-1110放置到位，以便在加油嘴106打开时去收集减震支柱滑油。(c) install the drain equi

13、pment on the oil charging valve 106:在加油嘴106上安装排放设备：note: the tool, landing gear shock strut drain valve, spl-1829, could also be used, but it will take much longer to drain the shock strut.注：也可以使用工具，起落架减震支柱排放活门spl-1829。但用它进行减震支柱排放时间要长些。1) cut a length of plastic tubing, long enough to reach the cont

14、ainer on the floor.剪一长度足够连接到地面容器上的塑料管。2) insert a small allen wrench in the end of the length of tubing, such that the long end of the allen wrench is flush with the end of the tube and the short end penetrates the wall of the tube.将一小的六角扳手插进软管的端头，使得扳手的长端与管端平齐，短端穿透管壁。3) install the tubing on the oil

15、 charging valve 106 such that the allen wrench goes into the check valve and holds it open to drain the hydraulic fluid.将管子安装在加油嘴组件(106)上，使得艾伦扳手进入到单向活门并保持它打开以便排放液压油。(d) remove the drain equipment when you have removed all of the shock strut oil.当放完减震支柱滑油时，拆下排放设备。note: 8.4-15.4 ounces (250-425ml) of

16、fluid will drain out of the strut. more fluid is in the strut below the oil charging valve 106.注： 8.4-15.4盎司(250-425毫升)油液将从支柱排出。更多的油液在支柱内加油嘴组件106下面。b. service the shock strut _ xxxxx勤务减震支柱caution: use only the type of fluid which is specified in this task to fill the shock strut.if an incorrect flui

17、d is used, it can cause damage to the seals.注意：仅使用工卡中指定型号的液压油加注减震支柱。如果使用了不正确的液压油，可能会引起封严的损坏。(1) fill the shock strut 2 with fluid, d00467 (bms 3-32, type i or type ii) (table 3021). bms 3-32, type i or type ii shock strut fluids can both be used to service the nose landing gear shock strut.给减震支柱2加液压

18、油d00467(bms 3-32, type i 或type ii)(表3021)。bms 3-32, type i 或type ii 减震支柱液压油均可用于前起落架减震支柱的勤务。note: optional fluids may be used ( landing gear shock strut fluids, amm task 12-15-61-610-801).注：可以选用液压油(起落架减震支柱油液amm task 12-15-61-610-801)。(a) make sure the cap 105 for the oil charging valve 106 is removed

19、.确保加油嘴组件106的盖子105已经拆下。(b) attach the oil charging line from landing gear shock strut oil servicing cart, com-1532 to the oil charging valve 106.用加油管连接勤务车com-1532与加油嘴组件106。(c) make sure the cap 102 for the gas valve 103 is removed.确保气门103上的盖子102已经拆下。(d) make sure the gas valve swivel nut 104 is fully

20、 open.确保气门旋转螺帽104完全打开。(e) attach a oil resistant hose, std-1103 to the gas valve 103 with the end of the hose in a container.在气门103上连接一耐滑油软管std-1103，软管的末端放在容器中。caution: clean all the hydraulic fluid from the tires immediately. if the fluid falls on the tires. the fluid can cause deterioration of the

21、 tires.注意：立即从轮胎上清洁所有的液压油。如果液压油落在轮胎上，液压油会使轮胎退化。(f) fill the shock strut 101 with fluid, d00467 until the hydraulic fluid flows out of the gas valve 103 and into the 5 gallon (19 liters) hydraulic fluid resistant container, std-1110.给减震支柱101加注液压油d00467，直到液压油从气门103流出到5加仑 (19 升)耐液压油的容器，std-1110中。1) cont

22、inue to fill the shock strut 101 until the hydraulic fluid which flows into the 5 gallon (19 liters) hydraulic fluid resistant container, std-1110 is free of bubbles.继续加注减震支柱101，直到流进5加仑 (19 升)耐液压油的容器，std-1110中的液压油中没有气泡为止。(g) remove the oil charging line.拆下加油管。(2) do the steps that follow for the oil

23、 charging valve 106:对加油嘴106进行下列工作：(a) install the cap 105.安装盖子105。(b) tighten the cap 105 to 50-70 pound-inches (5.7-7.9 newton meters).拧紧盖子105到50-70磅英寸(5.7-7.9牛顿米)。(3) remove the hose from the gas valve 103.从气门103上拆下软管。(4) inflate the shock strut 101 for the nose landing gear (table 3021):对前起落架减震支柱

24、101充气(表3021)：(a) install the tool, spl-1521 on the gas valve 103.将工具spl-1521安装到气门103上。(b) inflate the shock strut 101 with nitrogen, g00018 until dimension x is approximately 16.5 inches (420 mm) or your reach 1500 psig (10300 kpa) (figure 302).用氮气g00018给减震支柱101充气，直到尺寸x大约是16.5英寸(420毫米)或压力达到1500psig(

25、10300kpa)时为止(图302)。note: if dry nitrogen is not available, you can use air, g02314 as an alternative to inflate the shock strut.注：如果没有干燥的氮气，可以使用空气g02314作为替代气体加充减震支柱(101)。(c) use a pressure gage (0-3000 psig), std-1157 to measure the pressure of the shock strut 101.使用压力表(0-3000 psig)std-1157测量减震支柱101

26、的压力。(d) inflate or deflate the shock strut 101 until the shock strut extension dimension "x" for the pressure is on the servicing curve on the servicing chart.对减震支柱101充气或放气，直到对应这个压力值的减震支柱伸出尺寸“x”位于勤务图表的勤务曲线上为止。note: dimension "x" and the pressure must be on the servicing curve for

27、 a correctly serviced shock strut.注：正确的减震支柱勤务必须是，尺寸“x”和压力在勤务曲线上。(5) tighten the gas valve 103:拧紧气门103：(a) tighten the swivel nut 104 to 5-7 pound-feet (7.8-9.5 newton meters).拧紧旋转螺帽104到5-7磅英尺(7.8-9.5牛顿米)。(6) remove the tool, spl-1521 from the gas valve 103.从气门103上拆下工具spl-1521。(7) install the gas val

28、ve cap 102.安装气门盖102。table 302 1 nose landing gear shock strut servicing 表302 1 前起落架减震支柱勤务item no.项目号nomenclature名称fluid液压油method of application应用方法number of locations位置数量1gas valve气门bb-n-411 type i, or/或 mil-p-27401 type icharge充气12shock strut 减震支柱bms 3-32,type i,ii * 1fill加油1*1 for usage and altern

29、ative fluids, refer to landing gear shock strut fluids, amm task 12-15-61-610-801.对于使用和备用油液参考起落架减震支柱油液amm task 12-15-61-610-801。aircraft effectivity飞机适用范围:page页码allall14 of 14job card工卡号：3832070000138320700001jc titleservice - nose gear shock strutservice - nose gear shock strut工卡标题勤务 - 前起落架减震支柱勤务 - 前起落架减震