工作单R0425(R0)讲解

1、山东翔宇航空技术服务有限责任公司 工作单R0425(R0)维 修 工 作 单件名救生船件号R0425序号依据CMM 25-60-20版本2001-11-12任务号测试号测试内容工作者检验者7Air-Aspirated Inflation System - Functional Test(inflation System P/N R0032-17)充气系统功能测试（P/N R0032-17）ATest Setup 测试建立告诫CAUTION: ENSURE THAT TEST AREA IS CLEAN, SMOOTH AND FREE FROM SHARP OBJECTS, SPLINTERS

2、, ABRASIVE AND CORROSIVE MATERIALS. COVER ROUGH WOOD OR CONCRETE SURFACES WITH TARPAULIN OR CLEAN, HEAVY PAPER. ALLOW AT LEAST 14 ft x 14 ft (APPROXIMATELY 4.3 m x 4.3 m) FLOOR AREA FOR PERFORMING FUNCTIONAL TESTING.确保测试区域干净平整，没有尖利物品、摩擦或腐蚀性材料。用防水布或厚纸板覆盖住粗糙的木地板或水泥地面。测试区域至少为14英尺X14英尺（约4.3 米 x 4.3 米）Se

3、cure the following: stopwatch, leak detector solution, and spray bottle (or similar) for dispensing solution (refer to FIG 101). You will need them to perform this test.测试前准备好以下物品：秒表，泄漏测试溶液，喷壶。BTest Procedures测试步骤告诫CAUTION: DUE TO CRITICAL NATURE 0F ASPIRATOR FLAPPERS SPRING MECHANISM, DO NOT ATTEMP

4、T TO OPEN FLAPPERS BY HAND,TOOL OR BY USING COMPRESSED AIR.考虑到引射器舌门弹簧的机械特性，不要用手、工具或压缩空气顶开舌门。(1)Position raft carrying case in the center of test area.将救生船包装袋放置于测试区域中央(2)Simultaneously deploy raft by pulling lanyard (see Operation) and start your stopwatch.拉开系索释放救生船同时秒表开始计时。(3)Monitor two (2) aspirat

5、ors to ensure flapper opening during raft inflation, and flapper closing after raft测试号测试内容工作者检验者(3)has been fully inflated. Stop your stopwatch when raft has inflated fully.观察两个引射器，舌门在充气是打开，完全充满后关闭。秒表停止计时。告知NOTE: A well functioning inflation system will take twenty (20) to twenty-five (25) seconds t

6、o inflate both floatation tubes to a minimum of 1.5 psig (0.102 Atm.) at a corrected temperature of 70 F (21.1 C) and at a corrected barometric pressure of 29.9 in.Hg (76.0 cm.Hg). Longer inflation time and/or low tube pressure may indicate leaks and/or malfunction in the inflation system.正常的充气系统在70

7、 F (21.1 C)、29.9 in.Hg (76.0 cm.Hg)下，在2025秒内充气完毕，最小压力1.5psig(0.102 Atm.)。充气时间偏长或气压偏小表明有泄漏和（或）充气系统故障。(4)Apply leak detector solution by spraying/pouring gently into aspirator top (onto flappers). Apply slowly as to generate the least amount of bubbles.将泄漏测试溶液涂抹在引射器上面（舌门上），缓慢喷涂以便产生少量泡沫。(5)Apply leak d

8、etector solution to each of two (2) aspirators at their attach location to raft (at flange) using a soft bristled brush.在引射器和船体连接处（法兰处）用软毛刷涂抹泄漏测试溶液。(6)Monitor aspirators under reflected light and check for generation of new bubbles. Aspirators should not generate any bubbles.用反射灯观察是否产生新的气泡。引射器应不产生新气

9、泡。(7)If inflation System passes checks in procedures (2), (3) and (6) above, it shall be considered passed inspection.若系统通过以上(2),(3),(6)测试步骤，则认为通过检查。(8)Refer to Repair if inflation System does not pass successfully any of the checks in procedures (2), (3) or (6).若不能通过(2),(3),(6)测试步骤，则参见Repair部分。8CO2

10、 Inflation System - Functional Test(inflation Systems P/N R0032-77 and -2023)CO2充气系统功能测试（P/N R0032-77/-2023）测试号测试内容工作者检验者ATest Setup测试建立Secure a cylinder vise, ear plugs and eye protection (refer to FIG 101). You will need them to perform this test.测试前准备好气瓶固定链条，耳塞和护眼罩。BTest Procedures测试步骤告诫CAUTION:

11、UNLESS NECESSARY, DO NOT PERFORM A FUNCTIONAL TEST ON OPERATION OF CO2 INFLATION SYSTEM WHILE SYSTEM IS ATTACHED TO RAFT. REPEATED DEPLOYMENT, ESPECIALLY WHEN RAFT IS NOT IN WATER, MAY CAUSE PREMATURE DETERIORATION TO RAFT FABRIC IN THE VICINITY OF CO2 ENTRY PORT. THIS PROBLEM IS HOWEVER NOT OBSERVE

12、D IN RAFTS EQUIPPED WITH AN AIR-ASPIRATED INFLATION SYSTEM.除非必要，否则CO2充气系统和船体相连时，不能进行CO2充气系统功能测试。重复性展开，尤其船体不再水中时，易导致CO2进气口处的织布过早老化。(1)Disable lanyard activated inflation System, unpack raft, unfold, then remove two (2) valve/cylinder assemblies (refer to Disassembly).断开系索释放系统，打开包装，展开，拆下两个活门/气瓶组件（参见Di

13、sassembly）警告WARNING: CYLINDER CONTENTS ARE UNDER PRESSURE AND VALVE IS ARMED. WHEN REMOVED, ENSURE THAT SAFETY DIFFUSER (IPL FIG 7-100 OR 8-45, AS APPLICABLE) IS SECURELY ATTACHED TO VALVE OUTPUT FITTING. THE DIFFUSER MUST REMAIN ATTACHED IN LOCATION UNTIL CYLINDER/VALVE ASSEMBLY IS RE-ATTACHED TO R

14、AFT.气瓶内容物已加压，活门处于预备状态。确保安全扩压器与活门输出口连接牢固。扩压器与活门保持连接状态直到气瓶/活门组件于船体重新连接。警告WARNING: ALL PERSONNEL IN TESTING AREA MUST USE EYE AND EAR PROTECTION AT ALL TIMES DURING THIS TEST.测试期间，测试区域内的人员应以只佩带护眼罩和耳塞。(2)Weigh valve/cylinder assembly and record weight. Compare to weight recorded on cylinder to determine

15、 if leakage has occurred.测试号测试内容工作者检验者(3)Place and hold valve/cylinder assembly securely in cylinder vise orienting valve output away from yourself and other personnel.用固定链条将活门/气瓶组件安全放置好，输出口不能朝向人体。(4)Attach a cord with sufficient length to steel pull cable of the valve.在活门拉索上连接一根足够长的绳索(5)Position yo

16、urself and other personnel in the test area behind suitable protective cover and away from the test object.测试人员应远离待测部件(6)Use a sweeping hard pull on the cord attached to valve pull cable to trigger valve operation. Valve should open releasing cylinder contents.用力拉绳索，触发活门动作。活门应打开，释放气瓶内容物。实测值： (7)Refe

17、r to Repair if valve does not perform (6) above successfully, excessive force is required to trigger valve operation, or if observed weight is less thanweight marked on cylinder.若用较大的力仍不能触发活门完成测试步骤（6），或观测重量小于瓶体标称重量时，参见Repair部分。(8)The valve shall be considered passed functional testing If it performs

18、 (6) above successfully without the need to apply excessive force in pulling lanyard and weight observed is the same as weight labeled on cylinder.若不用费力拉绳索或观测重量与标称重量一致，且活门通过测试步骤（6）则认为活门通过性能测试。9Main Floatation Tubes and Center Float - Leakage Test主管道和甲板泄漏测试ATest Setup测试建立告诫CAUTION: ENSURE THAT TEST A

19、REA IS CLEAN, SMOOTH AND FREE FROM SHARP OBJECTS, SPLINTERS, ABRASIVE AND CORROSIVE MATERIALS. COVER ROUGH WOOD OR CONCRETE SURFACES WITH TARPAULIN OR CLEAN, HEAVY PAPER.ALLOW AT LEAST 14 ft x 14 ft (APPROXIMATELY 4.3 m x 4.3 m)FLOOR AREA FOR PERFORMING LEAKAGE TEST.测试号测试内容工作者检验者告诫确保测试区域干净平整，没有尖利物品、

20、摩擦或腐蚀性材料。用防水布或厚纸板覆盖住粗糙的木地板或水泥地面。测试区域至少为14英尺X14英尺（约4.3 米 x 4.3 米）告知NOTE: Since functional testing of manual inflation valves, pressure relief valves and CO2 inlet manifolds involves their pressurization to values equal to or near tube operating pressure, it may be practical to perform functional test

21、ing on the said valves/manifold together with main floatation tubes and center floats leakage testing.人工充气活门、压力释放活门和CO2进气管在进行功能测试时的压力等于或接近于管道工作压力，所以，上述活门/进气管的功能测试可以与管道泄漏测试同时进行。(1)Clean raft prior to performing a leakage test on raft floatation tubes. Refer to Cleaning chapter of this manual for proc

22、edures.涂抹泄漏测试溶液前先清洁管道，参见Cleaning章节。(2)Secure the following: low pressure oil-free shop compressed air, pump adapter and insert (as required), manometer, a watch for time keeping, thermometer, barometer, and a calculator (refer to FIG 101). You will need them to perform this test.准备好以下物品：低压无油的压缩空气，适配

23、器，压力表，秒表，热电偶，气压表和计算器。BTest Procedures测试步骤(1)Inflate raft to design shape using shop compressed air (no substitutes) as follows:按照以下步骤用压缩空气给救生船充气：(a)Rafts with an Air-Aspirated inflation System带有引射器的救生船1If you have already performed a functional test on inflation system operation, then raft is alread

24、y deployed and its floatation tubes are inflated with a mixture of cylinders content and ambient air.若已经进行了充气系统功能测试，则救生船已经充气。内充气体为气瓶和外界空气的混合气体。2Completely deflate both floatation tubes using a测试号测试内容工作者检验者2 vacuum pump attached to respective manual inflation valve using proper adapter and/or insert.

25、将真空泵连接到人工充气活门上，将管道中的空气完全抽出3Inflate lower floatation tube, then upper floatation tube to design shape by introducing shop compressed air through manual inflation valves (refer to Operation).先给下面的管道充气，再给上面的管道充气。通过人工充气活门引气将救生船充气。(b)Rafts with CO2 Inflation System带有CO2充气系统的救生船告诫CAUTION: UNLESS NECESSARY

26、, DO NOT PERFORM A FUNCTIONAL TEST ON INFLATION SYSTEM OPERATION IN RAFTS EQUIPPED WITH CO2 INFLATION SYSTEM (P/N R0032-77 OR -2023) WHILE INFLATION SYSTEM IS ATTACHED TO RAFT REPEATED DEPLOYMENT, ESPEC1ALLYWHEN RAFT IS NOT IN WATER, MAY CAUSE PREMATURE DETERIORATION TO RAFT FABRIC IN THE VICINITY O

27、F CO2 ENTRY PORT. THIS PROBLEM IS HOWEVER NOT OBSERVED IN RAFTS EQUIPPED WITH AN AIR-ASP1RATED INFLATION SYSTEM (P/N R0032-17).INFLATE RAFTS EQUIPPED WITH CO2, INFLATION SYSTEM BY INTRODUCING COMPRESSED AIR THROUGH MANUAL INFLATION VALVES.除非必要，否则CO2充气系统和船体相连时，不能进行CO2充气系统功能测试。重复性展开，尤其船体不再水中时，易导致CO2进气

28、口处的织布过早老化。在装有空气引射充气系统的救生船上没有发现此类情况。CO2充气系统通过人工充气活门引气来给救生船充气。1Disable lanyard activated inflation System, unpack raft from carrying case, and unfold (refer to Disassembly).断开系索触发充气系统，打开包装并展开。告知NOTE: Removal of inflation System is recommended to avoid inadvertent activation.推荐拆下充气系统，以免意外触发2Inflate low

29、er floatation tube, then upper floatation tube to design shape by introducing low pressure oil-free shop compressed air through manual inflation valves (refer to Operation).用压缩空气，从人工充气活门处先给下面管道充气，再给上面管道充气。测试号测试内容工作者检验者(2)Adjust pressure in lower floatation tube and upper floatation tube each to 2.0

30、psig (0.136 Bar).调节上、下管道的压力为2.0 psig (0.136 Bar)(3)Inflate two (2) center floats to design shape and adjust pressure of each float to 1.0 psig (0.068 Bar).给两个中央甲板充气，调节压力为1.0 psig (0.068 Bar)(4)Allow raft to stabilize for one (1) hour.救生船静置1小时(5)Check pressure in lower floatation tube, upper floatati

31、on tube and two (2) center floats. If different from respective values in (2) and (3) above, adjust byintroducing shop compressed air.检查上、下管道和两个中央甲板的压力，若与以上步骤（2）和（3）中有差别，用压缩空气调整。(6)Record time, and ambient temperature T1 in F units (or C).记录时间，外界温度T1（单位F或C）。实测值： (7)Record barometric pressure P1amb i

32、n in.Hg units (or cm.Hg).记录大气压力P1amb（单位in.Hg或cm.Hg）实测值： (8)Allow inflated raft to stand undisturbed for an additional twenty-four (24) hours.救生船静置24小时(9)Record time, and ambient temperature T2 in F units (or C).记录时间，外界温度T2（单位F或C）。实测值： (10)Record barometric pressure P2amb in in.Hg units (or cm.Hg).记录

33、大气压力P2amb（单位in.Hg或cm.Hg）(11)Obtain and record pressure readings Ptube in psig units (or Bar) for:在压力表上读取读数：(a)upper floatation tube,上充气管。实测值： (b)lower floatation tube,测试号测试内容工作者检验者(b)下充气管。实测值： (c)each of two (2) center floats.两个中央甲板。实测值： (12)Calculate and record adjusted pressure values Padjusied to

34、 upper floatation tube, lower floatation tube, and each of two (2) center floats to compensate for variations in ambient conditions (temperature and pressure) as follows:按照外界气压变化补偿，计算并记录调节后的上、下管道和2个中央甲板的压力。告知NOTE: The formula directly below yields an adjusted pressure value in psig units only for te

35、mperatures T1 and T2 recorded in F, and barometri pressure readings P1amb and P2amb recorded in in.Hg units. Padjusted = Piube +0.031 x (T1 - T2) + 0.49 x (P2amb - P1amb)以下公式以T1, T2（单位F）和P1amb, P2amb(单位in.Hg)为参数，得到一个校正的压力值。Padjusted = Piube +0.031 x (T1 - T2) + 0.49 x (P2amb - P1amb)告知NOTE: FIG 102

36、provides a sample table for recording ambient conditions, measured and adjusted tube pressure values and provides both above formulae for easy reference. We suggest you copy it for your use.图102提供了一个记录外界环境条件、测量管压和校正管压值的例子，还提供了计算公式，推荐使用。(13)The tube shall be considered passed inspection if the adjust

37、ed pressure values (Padjusted) values are not less than:若校正管压值不小于下列数值，则认为管道通过了检查：(a)Upper floatation tube: 1.50 psig (0.102 Bar).上管道：1.50 psig (0.102 Bar)。实测值： (b)Lower floatation tube: 1.50 psig (0.102 Bar).下管道：1.50 psig (0.102 Bar)。实测值： (c)Each of two (2) center floats: 0.50 psig (0.034 Bar).每个中央甲

38、板：0.50psig(0.034Bar)实测值：(14)If a raft does not pass inspection, locate leaks and repair (refer to Repair section). Re-test raft after repairs have been performed.若船体不能通过检查，确定泄漏位置并修理，再重新测试。测试号测试内容工作者检验者(15)Proceed as follows to locate leaks in air holding chambers:按照以下步骤确定漏气位置：告知NOTE: Perform functio

39、nal testing on:* six (6) manual inflation valves,* two (2) pressure relief valves (rafts with CO2 inflation System only),* two (2) CO2 inlet manifolds (rafts with C02 inflation system only), and* two (2) aspirators (rafts with air-aspirated inflation system only)在下列部件上进行功能测试：* 6个人工充气活门* 2个压力释放活门（仅装配

40、CO2充气系统的救生船）* 2个CO2进气管* 2个引射器（仅装配有空气引射充气系统的救生船）To ensure that no leakage is present in these items before attempting to locate leaks in air holding chambers, procedures for performing functional testing on said items are set forth later in this chapter.确保上述区域没有泄漏，再查找其他区域是否泄漏。上述区域的功能测试稍后进行。(a)Apply l

41、eak detecter solution to inflated upper floatation tube, lower floatation tube and two (2) center floats using a spray bottle or a soft bristled brush (refer to FIG 101).在已经充气的上、下管道和中央甲板上，用软毛刷涂抹测试溶液。(b)To locate leaks monitor raft tubes under reflected light for generation of bubbles in leak detecto

42、r solution. In rafts equipped with an air-aspirated inflation system, monitor in addition each of two (2) aspirators at its attach location to raft (at flange) for any leaks.观察泄漏测试溶液是否产生气泡，对于装配空气引射充气系统的救生船，还要观察两个引射器与船体连接处（法兰处）是否有泄漏。实测值： (c)Refer to Repair section of this manual for repair测试号测试内容工作者检

43、验者(c)details.修理细节参见本手册的REPAIR部分。10Pressure Relief Valve P/N 510-08 - Functional Test压力释放活门P/N 510-08 -功能测试ATest Setup测试建立Secure the following: leak detecter solution, spray bottle (or similar) to dispense solution, and manometer (refer to FIG 101). You will need them to perform this test.准备好以下物品：泄漏测

44、试溶液，喷壶，压力表。BTest Procedures测试步骤(1)Spray or pour the leak detecter fluid by spraying or pouring into valve top. Apply slowly to minimize the amount of bubbles generated.缓慢地将泄漏测试溶液喷涂在活门上，防止产生气泡。(2)While monitoring pressure, pressurize valve to 2.0 psig (0.136 Atm.) and continue increasing pressure.将活门

45、加压到2.0 psig (0.136 Atm)然后继续增压。告知NOTE: Pressurization of floatation tube may be performed by introducing shop compressed air through manual inflation valve (see Description and Operation, Section 2.B). Pressure readings may be obtained from the same or other manual inflation valve located on the same

46、 tube.可以用压缩空气从人工充气活门进行充气，可以由同一管道上的充气活门处测得压力值。(3)Record pressure reading at the moment when new bubbles begin to form.This indicates that valve has opened to release excess pressure.当产生新气泡时，记录压力。这表明活门打开释放多余压力。(4)Remove source of compressed air if pressurizing through manual inflation valve. If using

47、another method of pressurization, slowly decrease pressure.若通过人工充气活门充气，则去掉压缩空气源。若用其他方法充气，则缓慢减小压力。(5)Record pressure at the moment when new bubbles stop测试号测试内容工作者检验者(5)forming. This indicates that the valve has closed again.停止形成气泡时，记录气压值。这表明活门关闭。实测值： (6)The valve shall be considered passed inspection

48、 if it opens at pressure 2.5 -3.0 psig (0.170-0.204 Atm.), and closes at 2.0 psig (0.136 Atm.) minimum.若活门的打开气压为2.5 -3.0 psig (0.170-0.204 Atm.)，关闭气压最小为2.0 psig (0.136 Atm.)，则认为活门通过测试。实测值： (7)If valve does not pass inspection, remove from service and replace.若活门不能通过测试，则拆下并更换告知NOTE: All components of

49、 pressure relief valve P/N 510-08 are enclosed inside sealed valve case. Replace complete valve assembly if it does not pass inspection.所有压力释放活门P/N 510-08都附有内部密封的活门罩。若活门不能通过测试，则整个更换。11Manual Inflation Valve - Functional Test人工充气活门-功能测试EAM-T6A life rafts are equipped with two types of manual inflatio

50、n valve, as illustrated in FIG 3. The procedure for functional testing of both valve types is the same.EAM-T6A救生船装配有2种类型的人工充气活门，参见图3。两类活门的功能测试步骤一样。ATest Setup测试建立The following equipment items are needed to perform this test: a manometer, leak detector solution, and spray bottle or other apparatus fo

51、r dispensing solution (refer to FIG 101).测试需要以下物品：压力表，泄漏测试溶液，喷壶。BTest Procedures测试步骤(1)Check valve operation by inflating partially using the hand pump(see Description and Operation, Section 2.B).测试号测试内容工作者检验者(1)用手压泵充气，检查活门的动作。(2)Inflate the flotation chamber with shop compressed air (see Descriptio

52、n and Operation, Section 2.B). Pressurize valve to 2.0 psig (0.136 Atm.).用压缩空气充气，船体达到2.0 psig (0.136 Atm.)(3)Spray or pour leak detector fluid into valve top. Apply slowly to minimize the amount of bubbles generated.缓慢喷涂上泄漏测试溶液，避免产生气泡。(4)Monitor valve and check for generation of new bubbles. Valve s

53、hould be air-tight allowing no new bubbles to form.观察活门，应不漏气，不产生新气泡。实测值： (5)The valve shall be considered passed inspection if it performs (1) and (4) above successfully.若通过了步骤（1）和（4），则认为活门通过了测试(6)If valve does not pass inspection, remove from service and replace.若活门不能通过测试，则拆下并更换12CO2 Inlet Manifold

54、 - Functional TestCO2进气管-功能测试This procedure applies only to rafts with CO2 inflation System (IPL FIG 1-20).本步骤仅适用于装配有CO2充气系统的救生船ATest Setup测试建立The following equipment items are needed to perform this test: source of low pressure oil-free shop compressed air, leak detector solution, and spray bottle

55、or other apparatus for dispensing solution (refer to FIG 101).需要准备以下物品：压缩空气，泄漏测试溶液，喷壶。BTest Procedures测试步骤(1)Check operation of inlet manifold by inflating partially using low pressure oil-free shop compressed air using proper adapter(s).用低压力的压缩空气从进气管充气，观察其工作状态。(2)Inflate the flotation chamber with

56、shop compressed air测试号测试内容工作者检验者(2)(see Description and Operation, Section 2.B). Pressurize inlet manifold to 2.0 psig (0.136 Atm.).用压缩空气充气，直到压力为2.0 psig (0.136 Atm.)(3)Spray or pour leak detector fluid into top of inlet manifold. Apply slowly to minimize the amount of bubbles generated.缓慢喷涂泄漏测试溶液，以免产生气泡。(4)Monitor and check for generation of new bubbles. Inlet manifold sho