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A319/A320/A321 TECHNICAL TRAINING MANUAL MECHANICS / ELECTRICS & AVIONICS COURSE 29 HYDRAULIC POWER This document must be used for training purpose only Under no circumstances should this document be used as a reference. It will not be updated. All rights reserved. No part of this manual may be reproduced in any form, by photostat, microfilm, retrieval system, or any other means, without the prior written permission of Airbus Industrie. ** System Presentation (1) ....................... 1 ** System Controls (1)............................ 7 ** Hydraulic System Users (1) ................... 11 ** Circuit Identification and Routing (2) ...... 15 ** ECAM Page Presentation (1) ................... 25 ** Hydraulic System Warnings (3)................ 33 ** Green Hydraulic System D/O (3)............... 37 ** Blue Hydraulic System D/O (3)................ 45 ** Yellow Hydraulic Syst D/O (3)................ 53 ** Leak Measurement System Presentation (3).... 63 ** Hyd. Reservoir Pressurizing Syst D/O (3).... 69 ** Hyd. Reservoir Filling Presentation (2) ..... 75 ** Seal Drain System Presentation (2) .......... 79 ** Green System Components (3) .................. 87 ** Blue System Components (3) .................. 119 ** Yellow System Components (3)................ 151 ** Hyd Reservoir PRESS Syst Components (3).... 185 ** Power Transfer Unit Components (3) ......... 193 MAINTENANCE PRACTICES ** Reservoir Depressurization (2) ............. 201 ** Reservoir Filling (2) ....................... 205 ** RAT Stowage and Servicing (2)............... 209 ** RAT Test (3) ................................. 215 HYD Leakage (3) ................................. 219 SPECIFIC PAGES ** CFDS Specific Page Presentation (3) ...... 221 _A319/A320/A321 TECHNICAL TRAINING MANUAL MECHANICS / ELECTRICS & AVIONICS COURSE 29 HYDRAULIC POWER UF94200 EFFECTIVITY ALL 29 HYDRAULIC POWER UF94200 TABLE OF CONTENTS Page 29 CONTENTS Page i Dec 31/00 _A319/A320/A321 TECHNICAL TRAINING MANUAL MECHANICS / ELECTRICS & AVIONICS COURSE 29 HYDRAULIC POWER UF94200 EFFECTIVITY ALL 29 HYDRAULIC POWER UF94200 TABLE OF CONTENTS Page 29 CONTENTS Page ii Dec 31/00 THIS PAGE INTENTIONALLY LEFT BLANK 29 - HYDRAULIC SYSTEM 29-00-00 SYSTEM PRESENTATION CONTENTS: General Reservoirs Fire Shut-off Valves Engine Driven Pumps Electric Pumps Hand Pump Ram Air Turbine Accumulators Power Transfer Unit Self Examination TMUHYD201 LEVEL 1 EFFECTIVITY 29-00-00 Page 1 Mar 31/00 _A319/A320/A321 TECHNICAL TRAINING MANUAL MECHANICS / ELECTRICS & AVIONICS COURSE 29 HYDRAULIC POWER UF94200 EFFECTIVITY Page 1 ALL SYSTEM PRESENTATION GENERAL There are three independent hydraulic systems : Green, Blue and Yellow. In normal operation, the green and yellow hydraulic systems are powered by Engine Driven Pumps (EDPs), and the blue hydraulic system by an electric pump. Auxiliary power is provided by an electric pump in the yellow system. A bidirectional Power Transfer Unit (PTU) enables the green system to be powered by the yellow system or vice versa, without fluid transfer. A Ram Air Turbine (RAT) is provided in the blue system for emergency use. A hand pump is provided in the yellow system for cargo door manual operation. RESERVOIRS Each hydraulic system has its own reservoir. It supplies hydraulic fluid to the system pumps, and is pneumatically pressurized. The green reservoir is located in the main landing gear bay, the yellow reservoir in the yellow hydraulic compartment and the blue reservoir above the blue ground service panel. All the reservoirs are filled from the green ground service panel. FIRE SHUT-OFF VALVES On the green and yellow systems, a fire shut-off valve is positioned upstream of the engine driven pump to isolate the system. They are operated by their respective engine fire pushbutton switches to isolate the engine driven pump in case of engine fire. ENGINE DRIVEN PUMPS The green and yellow systems are each pressurized by a pump driven respectively by engine 1 and engine 2. Engine Driven Pumps (EDPs) are located on the accessory gearbox of each engine. They are of the variable displacement type. Normal system operating pressure is 3000 psi (206 bars). ELECTRIC PUMPS The blue system is pressurized by an electric pump. An electric pump allows the yellow system to be www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：ATA 29 HYDRAULIC POWER
