系列液压系统勤务讲义

1、2020/7/11,深航维修工程部培训教案,1,深航维修工程部教案,课程名称：起落架镜面清洁 课程编号：NB2005/08 培训课时：0.5课时,TRAINING PURPOSE ONLY,课程简单介绍,培训内容：737系列飞机起落架镜面清洁 参考资料：737300/700/800/900 AMM维护手册 32-00-10 LANDING GEAR INNER CYLINDER CHROME CLEANING/PAINTING 培训对象：维修工程部新进维修人员和外站人员 教学设施：电脑、投影仪 教学方式：课堂教学,2020/7/11,2,深航维修工程部培训教案,内容介绍,一、油箱、油品介绍 二

2、、737液压系统加油程序 三、737液压系统放油程序 四、液压系统和油箱增压,2020/7/11,3,深航维修工程部培训教案,2020/7/11,深航维修工程部培训教案,4,THIS PAGE INTENTIONALLY LEFT BLANK,油箱、油品介绍,Purpose The hydraulic reservoirs supply hydraulic fluid under pressure to the hydraulic pumps. The reservoirs also get return fluid from the airplane systems that use hyd

3、raulic power. 作用： 给液压系统提供液压油，回油。,1.RESERVOIR 液压油箱,2020/7/11,5,深航维修工程部培训教案,Location The hydraulic system A reservoir is in the center of the main wheel well on the forward Bulkhead(壁板). The hydraulic system B reservoir is on the right forward bulkhead of the main wheel well. 位置： A系统位于主轮舱前壁板，B系统位于 主轮舱

4、前壁板右侧,2020/7/11,6,深航维修工程部培训教案,Physical Description,1加仑4夸脱 1夸脱0.95升,2020/7/11,7,深航维修工程部培训教案,2020/7/11,8,深航维修工程部培训教案,D00153 Fluid, Hydraulic, Fire Resistant BMS3-11, TYPE IV SKYDROL LD-4 性状：淡紫色、重腐蚀性液体,2 the Hydraulic Fluid 液压油,2020/7/11,9,深航维修工程部培训教案,2020/7/11,深航维修工程部培训教案,10,THIS PAGE INTENTIONALLY LE

5、FT BLANK,737系列飞机液压系统加油程序REF. 737 AMM 121200,Hydraulic Reservoir Servicing,A. General (1) The equipment that is necessary to fill the hydraulic fluid is on the forward bulkhead of the right wheel well. The equipment includes a reservoir manual fill pump, a pressure fill connection,a reservoir fill fi

6、lter module for the hydraulic fluid, and a reservoir fill selector valve.,2020/7/11,11,深航维修工程部培训教案,manual fill pump,selector valve,2020/7/11,12,深航维修工程部培训教案,(2) There is a fluid quantity indicator on the system A and B reservoirs. The standby reservoir is filled through the B system reservoir. When t

7、he fluid quantity indicator for system B shows full, the system B reservoir and the standby reservoir are full.,2020/7/11,13,深航维修工程部培训教案,(3) The fluid chilling at high altitude and the large ambient temperature changes between departure and arrival locations can result in a decrease in fluid levels.

8、 If you service the airplane high at the cold location before the airplane is sent back to the warm location, it is possible that you will cause an overfill of the reservoir and fluid can overflow from the drain line.,2020/7/11,14,深航维修工程部培训教案,B. References (1) AMM TASK 29-11-00-860-805 p201, Hydraul

9、ic System A or B Power Removal (2) AMM TASK 29-11-01-860-801 p201, Hydraulic Reservoirs Pressurization (3) AMM TASK 29-11-01-860-802 p201, Hydraulic Reservoirs Depressurization (4) AMM TASK 29-21-00-000-802 p201, Standby Hydraulic System Power Removal,2020/7/11,15,深航维修工程部培训教案,C. Equipment (1) 1104 C

10、art - Servicing, MIL-H-5606 or Oil, 5 Gal, 5 Micron Filter McDermott Associates, Inc. (Vendor Code 30188) 11424 Denton Drive, P.O. Box 29617, Dallas TX 75229-0617 (2) Container - Hydraulic Fluid Resistant, 5 Gallon (19 Liters) (commercially available) (3) (50 gal) Container - Hydraulic Fluid Resista

11、nt, 50 Gallon (190Liters),2020/7/11,16,深航维修工程部培训教案,D. Consumable Materials D00153 Fluid, Hydraulic, Erosion Arresting, Fire Resistant -BMS3-11, TYPE IV,E. Access Location Zones 134 Main Landing Gear Wheel Well,Body Station 663.75 to BodyStation 727.00 - Right,2020/7/11,17,深航维修工程部培训教案,F. Hydraulic Re

12、servoir Servicing (1) Make sure the flaps and the leading edge are up.,(2) Remove power from hydraulic systems A, B and the standby systems: (a) Do this task: Hydraulic System A or B Power Removal (AMM TASK 29-11-00-860-805 p201). (b) Do this task: Standby Hydraulic System Power Removal (AMM TASK 29

13、-21-00-000-802 p201).,2020/7/11,18,深航维修工程部培训教案,(3) Before you fill the system B reservoir, make sure the brake accumulator has a minimum of 2800 psig (19305 KPa) of pressure in it (with the hydraulic pumps off). (4) If you use the hand pump, put the end of the suction hose in the fluid resistant con

14、tainer (5 gal)(hydraulic fluid resistant container).,2020/7/11,19,深航维修工程部培训教案,CAUTION: DO NOT SUPPLY HYDRAULIC FLUID AT MORE THAN 75 PSIG (517 KPA) TO THE PRESSURE FILL CONNECTION. A PRESSURE OF MORE THAN 75 PSIG (517 KPA) CAN CAUSE DAMAGE TO THE HYDRAULIC SYSTEM.,2020/7/11,20,深航维修工程部培训教案,(5) If you

15、 use a cart 1104, connect the hose from cart 1104 to the pressure fill connection. (6) Turn the reservoir fill selector valve to the reservoir to be filled. NOTE: PORT A fills reservoir A, and PORT B fills the standby reservoir and reservoir B.,2020/7/11,21,深航维修工程部培训教案,WARNING: DO NOT GET HYDRAULIC

16、FLUID ON YOU. HYDRAULIC FLUID, BMS 3-11 CAN CAUSE INJURY TO PERSONS. IF YOU GET THE HYDRAULIC FLUID ON YOUR SKIN, FLUSH YOUR SKIN WITH WATER. IF YOU GET THE HYDRAULIC FLUID IN YOUR EYES, FLUSH YOUR EYES WITH WATER AND GET MEDICAL AID. IF YOU EAT OR DRINK THE HYDRAULIC FLUID, GET MEDICAL AID.,CAUTION

17、: USE CLEAN HYDRAULIC FLUID AND CLEAN EQUIPMENT WHEN YOU FILL THE HYDRAULIC RESERVOIRS. DIRT CAN CAUSE DAMAGE TO THE HYDRAULIC SYSTEM.,2020/7/11,22,深航维修工程部培训教案,(7) Add fluid, BMS3-11, TYPE IV until the indicator on the reservoir shows FULL. NOTE: For hydraulic system A reservoir, the quantity for th

18、e FULL mark is approximately 5.7 gallons (21.6 liters). For hydraulic system B and standby reservoirs, the quantity for the FULL mark is 8.2 gallons (31.1 liters). The reservoir fill connection permits fluid servicing from the ground servicing system to the A system and system B reservoirs. NOTE: Al

19、l currently qualified BMS 3-11, Type IV hydraulic fluids are interchangeable and intermixable in any proportion.,2020/7/11,23,深航维修工程部培训教案,(8) Put the reservoir fill selector valve in the CLOSED position.,2020/7/11,24,深航维修工程部培训教案,(9) Put the handle and the suction hose for the hand pump in their usua

20、l positions, or disconnect the cart, 1104.,2020/7/11,25,深航维修工程部培训教案,(10)Look at the gages, for the hydraulic fluid quantity, that are in the flight compartment.,Make sure the gages show the hydraulic fluid quantity are above refill (greater than 76%).,2020/7/11,26,深航维修工程部培训教案,CBT演示 737 MCBT HYDRAULI

21、C SERVICING,2020/7/11,27,深航维修工程部培训教案,2020/7/11,深航维修工程部培训教案,28,THIS PAGE INTENTIONALLY LEFT BLANK,G. Lower the Hydraulic Reservoir Fluid Level (1) Release pressure from the applicable hydraulic reservoir. To release it, do this task: Hydraulic Reservoirs Depressurization (AMM TASK 29-11-01-860-802 p2

22、01).,Hydraulic Reservoir Servicing,2020/7/11,29,深航维修工程部培训教案,WARNING: DO NOT GET HYDRAULIC FLUID ON YOU.HYDRAULIC FLUID, BMS 3-11 CAN CAUSE INJURY TO PERSONS. IF YOU GET THE HYDRAULIC FLUID ON YOUR SKIN, FLUSH YOUR SKIN WITH ATER. IF YOU GET THE HYDRAULIC FLUID IN YOUR EYES, FLUSH YOUR EYES WITH WATE

23、R AND GET MEDICAL AID. IF YOU EAT OR DRINK THE HYDRAULIC FLUID, GET MEDICAL AID.,2020/7/11,30,深航维修工程部培训教案,(2) Install a drain hose: (a) Put one end of a drain hose (1/2 I.D.) on the outlet of the reservoir drain valve. (b) Put the opposite end of the drain hose into the container, (50gal) for the hy

24、draulic fluid. (3) If you must lower fluid level because it is too high, do these steps: (a) Monitor the reservoir quantity gages while you drain fluid from the reservoir. (b) Open the reservoir drain valve to drain the hydraulic fluid into the container, (50 gal). (c) Close the reservoir drain valve when the reservoir quantity gage is above refill.,2020/7/11,31,深航维修工程部培训教案,(4) Remove the drain hose from the reservoir drain valve. (5) Install a lockwire o