WOHA33_4919240_45_AT-322100-720-801

Hong Kong Airlines LimitedHong Kong Air Cargo Carrier Limited香港航空有限公司香港货运航空有限公司F-D-099Hong Kong Airlines MEDHong Kong Airlines LimitedWO NO/工作指令号SEQ NO/序列号WOHA334919_45_2404919240Training and Qualification/培训和资格Technical Record/技术记录NONENONETitleCHECK NOSE GEAR SHOCK ABSORBER NITROGEN CHARGE PRESSUREMcd&Rev/厂家工卡&修订日期标题检查前起落架减震支柱充气压力AMM 32-21-00-720-801 2018-07-01A/C/飞机号Subtask No/工卡号JC Rev/工卡版本号Workarea/工作区域Skill/工种Man Hour/工时BLNVAT-322100-720-801HR000004机身/AirframeAIRP01:00MP Item/MP号Baseline/依据MP REV/ MP版本号Station/维修站Threshold/首检Interval/重复检HA33-322100-04-1MPD 322100-04-1,MRB 32.21.00/02ISS 3 REV 0PVG730 CA730 CAAccess Panels/接近盖板Zones/区域Written/编写Approved/批准NONE7112018-10-162018-10-16TOOLS/工具TOOLS NECESSARY/必须工具ITEM项目P/N件号DESCRIPTION名称EQTP类型QTY数量APP适用性Conditions note互换信息及备注198F32204001001COLLAR, SAFETY - DOOR, NLGTO1ALL(必需/Necessary)2U21891000FILLING ASSEMBLYTO1ALL(必需/Necessary)3D23156000Lockpin-Nose Gear Towing Lever(319/330)TO1ALL(必需/Necessary)4D23304000PIN-GROUNDLOCK, NLGTO1ALL(必需/Necessary)TOOLS IF NECESSARY/视情工具ITEM项目P/N件号DESCRIPTION名称EQTP类型QTY数量APP适用性Conditions note互换信息及备注PARTS AND MATERIAL/航材NOTE:OPERATOR MUST GET AND INSTALL THE PARTS THAT CORRESPOND TO THE RELATIVE WORKORDER NO.注释：请工作者严格按照工作指令号领取预定的航材装机PARTS AND MATERIAL NECESSARY/必须航材ITEM项目P/N件号DESCRIPTION名称EQTP类型QTY数量APP适用性Conditions note互换信息及备注1MIL-L-25567LEAK TESING SOLUTIONCH1ALL05004B2CML14CCB6Testing Medium - Leak Detection Oxygen SystemCH1ALL(必需/Necessary)PARTS AND MATERIALIF NECESSARY/视情航材ITEM项目P/N件号DESCRIPTION名称EQTP类型QTY数量APP适用性Conditions note互换信息及备注IMPORTANT NOTE:In the event of any discrepancies between the Chinese instruction and the English instruction, the English procedure should prevail.Record Additional Work/Findings(If Applicable) Reference No. Certificate of Release to Service (* Tick as appropriate # Different crews should perform the work on each of the systems)Certifies that the work specified, except as otherwise specified, was carried out in accordance with HKAR-145and in respect to that work, The aircraft / aircraft components are considered ready for Release to Service. HKA Approval No: AI / 135 / 706 * HKE Approval No: AI /218/1215, JMM 133 * HNAT Approval No.: D.101115, JMM 047* CASL Approval No: AI / 101 / 798 * AMECO Approval No.: D.101131, JMM 001* HNAT- North West Approval No.: D.500023, JMM 049 * HAECO Approval No: DAI / 1 / 853 * SMECO Approval No.: D.400009, JMM 081* HNAT- YN Approval No.: D.4108, JMM 134 * TAECO Approval No.: DAI / 89 / 1295 * CEA Approval No.: D.200002, JMM 112 * HNAT Approval No.: D.3039, JMM 076 * THAECO Approval No.: D.101661, JMM 124 * CEA-Jiangsu Approval No.: D.200047, JMM 117 * SPRING Approval No.: D.200081, JMM 121 * SIAEC Approval No: AWI / 01 * STARCO Approval No.: D.200078,JMM 039* GAMECO Approval No.: D.300001, JMM 006* THAI Approval No.: AI / 147 / 0910 * Other: *Signature:_ Authorization No.:_ Date:_AT-322100-720-801 HR000004 W/O:4919 AC:BLNV页码：2 / 21工卡Job card:HA33-322100-04-1TITLECHECK NOSE GEAR SHOCK ABSORBER NITROGEN CHARGE PRESSUREPerfInsp标题检查前起落架减震支柱充气压力工作者检查者Check Nose Gear Shock Absorber Nitrogen Charge Pressure检查前起落架减震支柱氮气充气压力Airlines NOTE:Airplanes will vibrate during takeoff if you do the related job not in accordance with the manual.It will impact aircrafts safety. 航空公司注释:未按手册执行相关工作将导致飞机在起飞过程中抖动，影响飞行安全。WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE CORRECTLYINSTALLED ON THE LANDING GEAR.THIS PREVENTS UNWANTED MOVEMENT OF THE LANDING GEAR. 警 告：确认起落架地面安全销正确安装。避免起落架不必要的移动。WARNING : MAKE SURE THAT THE SAFETY DEVICES AND THE WARNING NOTICES ARE IN POSITION BEFORE YOU START A TASK ON OR NEAR:- THE FLIGHT CONTROLS - THE FLIGHT CONTROL SURFACES - THE LANDING GEAR AND THE RELATED DOORS - COMPONENTS THAT MOVE. MOVEMENT OF COMPONENTS CAN KILL OR INJURE PERSONS. 警 告：在以下地方或附近工作前，确认安全销和警告牌在位： - 飞控组件 - 飞行控制舵面 - 起落架及相关的门 - 活动部件 活动部件可能导致人员伤亡。NOTE: If the NLG shock absorber has been fully deflated and inflated again, it is recommended that you: - Do a check of the NLG shock-absorber charging pressure between four and seven days after the first subsequent flight.This is because the nitrogen can be absorbed into the oil and the charge pressure can change.注 释：如果前起落架减震器已经完全放气后再充气，建议采取如下措施： 在第一次飞行后的4到7天之间检查前起落架减震器充气压力，这是因为氮气可能被油吸收并且充气压力可能改变。1. Job Set-up / 开始工作 A. Safety Precautions / 安全措施 T (1) Put the warning notices in position in the cockpit to tell persons: - not to operate the landing gear controls - not to operate the nose wheel steering controls.在驾驶舱相应位置挂警告牌：- 禁止操作起落架控制器- 禁止操作前轮转弯控制器B. Aircraft Maintenance Configuration /飞机维护构型 T (1) Make sure that the Green hydraulic system is depressurized (Ref. AMM TASK 29-00-00-864-804).确认绿色液压系统释压（Ref. AMM TASK 29-00-00-864-804）(2) Do the Deactivation of the Nose Wheel Steering procedure(Ref. AMM TASK 32-51-00-040-801).执行前轮转弯限动程序（Ref. AMM TASK 32-51-00-040-801）。 (3) Make sure the safety devices are installed on the landing gear (Ref. AMM TASK 32-00-00-481-801).确认起落架安全销已安装（Ref. AMM TASK 32-00-00-481-801）。C. Get Access T 接近(1) Open the NLG doors (Ref. AMM TASK 32-22-00-010-801) and install the safety devices (Ref. AMM TASK 32-00-00-481-802).打开前起落架门（Ref. AMM TASK 32-22-00-010-801），并安装保险装置（Ref. AMM TASK 32-00-00-481-802）。(2) Put the access platform adjacent to the NLG leg. 将接近平台置于前起落架旁。2. Procedure /步骤 (Ref. Fig. 601/TASK 32-21-00-991-001 SHEET 601.1) A. Check Charge Pressure of NLG Shock Absorber T 检查前起落架减震支柱充气压力。(1) Measure and write down the shock absorber extension (dimension H). 测量并记录减震支柱伸出部分（长度 H）。The measured dimension H is /测量长度H值 mm/in.(2) Remove the blanking caps (1) and (3) from the inflation valves (2) and (4). 拆下充气活门（2）和（4）的堵盖（1）和（3）。(3) Install the ASSEMBLY - FILLING (U21891000) on the inflation valve (2). 在充气活门（2）上安装ASSEMBLY - FILLING (U21891000)。(4) Install the GAGE 150 BAR (2175 PSI) - PRESSURE, HYDRAULIC. 安装气压表150 BAR (2175 PSI)。(5) Open the inflation valve (2). 打开充气活门（2）。(6) Read and write down the pressure shown on the pressure gage (pressure P1). 读取并记录压力表显示压力（压力 P1）。P1 is /P1值_PSI(7) Close the inflation valve (2). 关闭充气活门（2）。 (8) Measure and write down the ambient temperature (temperature T1). 测量并记录环境温度（温度 T1）。T1 is /T1值_(9) Use the graph and the measurements P1 and T1 to find the correct dimension H. (Ref. Fig. 602/TASK 32-21-00-991-002 SHEET 602.1)使用下表及测量值P1和T1查出正确的长度H值。(Ref. Fig. NLG - Pressure/Extension Dimension H Graph (F/(C) SHEET 1) (Ref. Fig. NLG - Pressure/Extension Dimension H Graph (F/(C) SHEET 2) (Ref. Fig. NLG - Pressure/Extension Dimension H Graph (F/(C) SHEET 3) (Ref. Fig. NLG - Pressure/Extension Dimension H Graph (F/(C) SHEET 4) (Ref. Fig. NLG - Pressure/Extension Dimension H Graph (F/(C) SHEET 5) (Ref. Fig. NLG - Pressure/Extension Dimension H Graph (F/(C) SHEET 6)(10) The measured dimension H must equal the correct dimension H plus 10 mm (0.3937 in.) or minus 20 mm (0.7874 in.). 测量长度H必须在正确长度H+10 mm (0.3937 in.)或-20 mm (0.7874 in.)的范围内。NOTE: The tolerance for dimension H on the servicing label attached to the NLG could bedifferent to the tolerance in this work step. If the tolerance on the servicing label isdifferent, you must use the tolerance in this work step. 注 释：H的范围在前期的勤务表上也能找到，但是有可能和工卡要求的不一样。如果不一样 请以工卡上的为准。(11) If the measured dimension H is more than correct dimension H plus 10 mm (0.3937 in.) or less than minus 20 mm (0.7874 in.) , refer to TSM 32-20-00-810-804. 如果测量尺寸H值大于正确尺寸H值加上10 mm(0.3937 in)，或是低于正确尺寸H值减去20 mm(0.7874 in.)，参照TSM 32-20-00-810-804。(12) Remove the pressure gage and the ASSEMBLY - FILLING from the inflation valve (2). 从充气活门（2）上拆下压力表和ASSEMBLY - FILLING。(13) Install the ASSEMBLY - FILLING (U21891000) and the pressure gage on the inflation valve (4). 在充气活门（4）上安装ASSEMBLY - FILLING (U21891000)和压力表。 T (14) Open the inflation valve (4). 打开充气活门（4）(15) Read and write down the pressure shown on the pressure gage (pressure P2). 读取并记录压力表显示压力（压力 P2）。P2 is /P2值_PSI(16) Close the inflation valve (4). 关闭充气活门（4）。(17) If the pressure P2 is the same as the pressure P1, plus or minus 2.5 bar (36.26 psi) (and dimension H is correct), go to step (20). 如果P2和P1压力相同，或相差2.5 bar(36.26 psi)内(并且尺寸H正确)，执行步骤(20)。(18) If the pressure P2 is more than the pressure P1, compare the pressure P2 and the temperature T1 with the graph. The value of P2 must be as shown. (Ref. Fig. 603/TASK 32-21-00-991-003 SHEET 603.1)若P2大于P1，与下表中对应P2和T1值比较。P2值必须与表中一致。（Ref. Fig. 603/TASK 32-21-00-991-003 SHEET 603.1）(19) If the value of the pressure P2 is not correct, do this step: 若P2值不正确，执行下面的步骤：(a) Adjust the nitrogen in the NLG shock absorber (Ref. AMM TASK 12-14-32-614-804) . 调节前起落架减震支柱中氮气压力（Ref. AMM TASK 12-14-32-614-804）。(20) Remove the pressure gage. 拆下压力表。(21) Remove the ASSEMBLY FILLING(U21891000) from the inflation valve (4). 从充气活门（4）上拆下ASSEMBLY - FILLING(U21891000)。(22) TORQUE the inflation valves (2) and (4) to between 0.5 and 0.8 m.daN (44.25 and 70.80 lbf.in) . 使用0.5到0.8 m.daN (44.25 到 70.80 lbf.in)的力矩拧紧充气活门（2）和（4）。实际磅紧力矩值_(23) Use SPECIAL MATERIALS (Material No. 05-004B) to do a leak check of the inflation valves (2) and (4).使用专用材料（Material No. 05-004B）测试充气活门（2）和（4）是否漏气。(24) Install the blanking caps (1) and (3) on the inflation valves (2) and (4). 在充气活门（2）和（4）上分别安装堵盖（1）和（3）。3. Close-up / 收尾工作 A. Close Access / 关闭接近 T (1) Make sure that the work area is clean and clear of tools and other items. 确认工作区域洁净，并无工具和其他物品。(2) Remove the access platform(s). 撤除接近平台。(3) Do the Reactivation of the Nose Wheel Steering procedure (Ref. AMM TASK 32-51-00-440-801). 执行取消前轮转弯限动程序（Ref. AMM TASK 32-51-00-440-801）。(4) Remove the safety devices from the NLG doors(