DOCUMENT RESUME ED 092 690 CE 001 419 TITLE; Aircraft
DOCUMENT RESUMEED 092 690CE 001 419TITLE;Aircraft Fuel, Hydraulic and Pneumatic Systems(Course Outlines), Aviation Mechanics 3 (Air Frame):INSTITUTIONPUB DATENOTEDade County Public Schools, Miami, Fla.EDRS PRICEDESCRIPTORSMF- 0.75 HC- 1.85 PLUS POSTAGE*Aviation Mechanics; *Aviation Technology; CourseContent; Course Objectives; *Curriculum Guides;*Equipment Maintenance; Job Skills; PerformanceCriteria; *Technical Education*Quinmester Program9067.01.IDENTIFIERS7136p.; An Authorized Course of Instruction for theQuinmester ProgramABSTRACTThis document presents an outline for a 135-hourcourse designed to familiarize the student with the operation,inspection, and repair of aircraft fuel, hydraulic, and pneumaticsystems. It is designed to help the trainee master the knpwledge andskills necessary to become an aviation airframe mechanic. Theaviation airframe maintenance technician must be able to demonstratehis ability to troubleshoot, service, and repair aircraft fuelsystems; his ability to troubleshoot, remove, and install aircraftfuel components; his ability to troubleshoot, service, and repairaircraft hydraulic and pneumatic systems; and Ais ability totroubleshoot, remove, and install aircraft hydraulic and pneumaticsystem components. The behavioral objectives and performancestandards necessary for a person to become an airframe mechanic, or acombined airframe and powerplant mechanic, with a Federal AviationAgency license are specified. A Quinmester posttest sample isincluded. (KP)
AUTHORIZED COURSE OF INSTRUCTION FOR THEAVIATION MECHANICS 3 (Air Frame)(Aircraft Fuel, Hydraulic and Pneumatic Systems)Department 48 - Course 9067.01atA)il41 cop,4411,DIVISION OF INSTRUCTION 1971
DADE COUNTY PUBLIC SCHOOLS1 4 1 0NORTHEAST SECONDMIAMI, FLORIDA 33132ENUECourse OutlineAVIATION MECHANICS 3 (Air Frame)(Aircraft Fuel, Hydraulic and Pneumatic Systems)Department 48 - Course 9067.01the division ofVOCATIONAL, TECHNICAL AND ADULT EDUCATION
DADE COUNTY SCHOOL BOARDMr. William Lehman, ChairmanMr. G. Holmes Braddock, Vice-ChairmanMrs. Ethel BeckhamMrs. Crutcher HarrisonMrs. Anna Brenner MeyersDr. Ben SheppardMr. William H. Turner.Dr. E. L. Whigham, Superintendent of SchoolsDade County Public SchoolsMiami, Florida 33132Published by the Dade County School BoardCopies of this publication may be obtained throughTextbook Services2210 S. W. Third StreetMiami, Florida 33135
Course Description906748State CategoryCounty Dept.9067.01County CourseAircraft Fuel, Hydraulicand Pneumatic SystemsCourse TitleTo familiarize the student with the operation, inspectionand repair of aircraft fuel, hydraulic and pneumaticsystems.Indicators of success: Successful completion of ALLquinmesters of the Aviation Mechanics (Airframe andPowerplant General) course, Number 9073.
PREFACEThe course outline that follows has been prepared as aguide to help the trainee in the skills and knowledge necessary to become an Aviation Airframe Mechanic.This is a course composed of knowledge and .killsnecessary should one decide to follow the Airframe Mechanicor combined Airframe and Powerplant Mechanic Curriculumleading to a Federal Aviation Agency License.Trainees desiring to follow this curriculum must firstsuccessfully complete the basic Aviation Mechanic CurriculumCourse which applies equally to both the Airframe and Powerplant License.This course is composed of two blocks ofseveral units each, requiring one quinmester or 135 hours.The several quinmesters of course 9065 must also be successfully completed if the student desires to apply for hislicense examinations.Great emphasis will be placed on the use of lecture,audio-visual aids and instruction sheets of various types.A listing of the Behavioral Objectives which are to be metto earn satisfactory grades is included.Following eachunit title will be found, in parentheses, several lettersand numbers designating the time spent in terms of theoryand shop work.EIT designates the estimated instructional
time, T indicates the time spent in theory or classroom workand 11/S indicates time spent in laboratory or shop work.The level 1 following a unit denotes that the studentmust have knowledge of general principles but no practicalapplication nor manipulative skills.Instruction is givenby lecture, demonstration and discussion.The level 2 fol-lowing a unit denotes that the student must have knowledgeof general principles and limited practical application, andadequate manipulative skill to perform basic operations.Instruction is given by lecture, demonstration, discussionand a limited amount of practical application.The level 3following a unit denotes that the student must have knowledgeof general principles and performance of a high degree ofpractical application and sufficient manipulative skill toaccomplish return-to-service operations.Instruction atthis level is given by lecture, demonstration, discussionand a large amount of practical application.This outline has been developed through the cooperativeefforts of the instructional and supervisory personnel, theQuinmester Advisory Committee and the Vocational TeacherEducation Service, and has been approved by the Dade CountyVocational Curriculum Committee.ii
TABLE OF CONTENTSwith Suggested Hourly BreakdownPagePREFACE.GOALS.ivBLOCKI.AIRCRAFT FUEL SYSTEMS (44 hours)Inspect, Service and Repair Fuel SystemsRepair Engine Fuel System Components .Inspect and Repair Fuel QuantityIndicating Systems.Inspect, Check and Repair PressureFuel Systems,.Check and Service Fuel Dump SystemsFuel Management, Transfer and DefuelingFuel Pressure and Temperature WarningSystems .1.2.2.222.II.III.HYDRAULIC AND PNEUMATIC POWER SYSTEMS (91 hours)Identify and Select Hydraulic FluidsRepair Hydraulic and Pneumatic PowerSystem ComponentsInspect, Check, Service, Troubleshoot andRepair Hydraulic and Pneumatic PowerSystems33OO3.6QUINMESTER POST TESTBEHAVIORAL OBJECTIVES.BIBLIOGRAPHYAPPENDIX: QUINMESTER POST TEST SAMPLEiii.1821
GOALSThe aviation airframe maintenance technician must be ableto demonstrate:1.His ability to troubleshoot, service and repair aircraftfuel systems.2.His ability to troubleshoot, remove and install aircraftfuel system components.3.His ability to troubleshoot, service and repair aircrafthydraulic and pneumatic systems.4.His ability to troubleshoot, remove and install aircrafthydraulic, and pneumatic system components.iv
Course OutlineAVIATION MECHANICS 3 (Air Frame)(Aircraft Fuel, Hydraulic and Pneumatic Systems)Department 48 - Course 9067.01I.AIRCRAFT FUEL SYSTEMS (44 hours)A.Inspect, Service and Repair Fuel Systems(4/8-7.5 hrs)(EIT-15 hrs) (T-7.5 hrs)(Level - 3)FuelTanks1.Construction featuresa.(1) Baffles(2) Sumps(3) Strainers(4) Filler openings(5) Vents(a) Requirements for venting a. fuel tank(b) Effect of a plugged ventTank Installationb.(1) Metal tanks(2) Flexible bladder tanks(3) Integral type tanksc.Servicing fuel tanks(1) Safety precautions(2) Condensation in fuel tanksFuel Valves and Fuel Pumps2.a.Fuel valves(1) Fuel shut-off valves(2) Fuel selector valves(3) Cross-feed valvesb.Fuel pumps(1) Wobble pumps(2) Main fuel pumps(a) Engine driven fuel pumps(b) Electric fuel pumps(3) Fuel booster pumpu(a) Submerged booster pumps(b) Installation precautions(c) Use during engine starting(d) Use during take-off and landing-1-
I.AIRCRAFT FUEL SYSTEMSB.(Contd.)Repair Engine Fuel System Components(4/S 5.5 hrs)(T-5.5 hrs)(EIT-11 'ars)(Level - 2)Repair of Fuel Tanks1.Cleaning or purging before repaira.b.Cleaning before reinstallationFuel System Components2.a. Selector valves(1) Detents(2) Placardsb.Fuel lines(1) Minimum size(2) Routing(3) Color codingFuel drainsc.(1) Position of fuel drain in the system(2) Fuel tank sump drainC.Inspect and Repair Fuel Quantity Indicating System(4/S-4 hrs)(T-4 hrs)(EIT-8 hrs)(Level - 2)Inspect Fuel Quantity Indicating Systems1.a. Direct reading fuel quantity indicatorsb. Remote reading fuel quantity indicatorsRepair Fuel Quantity Indicating Systems2.a. Direct reading fuel quantity indicatorsb. Remote reading fuel quantity indicatorsD.Inspect, Check and Repair Pressure Fuel Systems(4/8-0 hrs)(T-2 hrs)(EIT-2 hrs)(Level - 1)InspectPressureFuelSystems1.Repair Pressure Fuel Systems2.E.Check and Service Fuel Dump Systemshrs)(T-2 hrs)(EIT-2 hrs)(Level - 1)Describe Checking Operation of a Fuel Dump1.SystemDescribe Servicing a Fuel Dump System2.F.Fuel Management, Transfer and Defueling(L/S-2 hrs)(T-1 hr)(Level - 3) (EIT-3 hrs)Fuel Transfer Methods1.Defueling Methods2.
I.AIRCRAFT FUEL SYSTEMS (Contd.)G.Fuel Pressure and Temperature Warning Systems(Level-2)(EIT-3 hrs)(T-1.5 hrs)(L/S -1.5 hrs)Fuel Pressure Warning Systems1.2.- Fuel Temperature Warning SystemsII.HYDRAULIC AND PNEUMATIC POWER SYSTEMS (91 hours)A.Identify and Select Hydraulic Fluids(L/S-1 hr)(T-1 hr)(EIT-2 hrs)(Level - 3)Identify hydraulic fluid1.a. Vegetable base fluidb.Mineral base fluidc.Ester base fluidSelect Hydraulic Fluid2.B.Repair Hydraulic and Pneumatic Power SystemComponents(L/S-9 hrs)(T-9 hrs)(Level - 2) (EIT-18-hrs)Select and Install Seals1.a."0" ring sealsb.Cup sealsc.Chevron sealsHydraulic Selector Valve2.a. Rotor type selector valveb. Poppet type selector valvec.Piston type selector valveRemove and Install Hydraulic Pressure Regulators3.a.Remove a pressure regulatorb.Install a pressure regulatorc.Test and adjust regulator pressureOperation of a Pneumatic Power System4.a. Multistage compressorb.IntercoolerFilter/oil separatorc.C.Inspect, Check, Service, Troubleshoot and RepairHydraulic and Pneumatic Power Systems(L/S-35.5 hrs)(Level - 3)(EIT-71 hrs)(T-35.5 hrs)Force, Area and Pressure1.a. Simple leversb. Mechanical advantagec.Hydraulic advantaged.Incompressibility of liquidse.Transmission of force-3-
II.HYDRAULIC AND PNEUMATIC POWER SYSTEMS (Contd.)2.Operation of a Basic Hydraulic SystemHand pumpsa.Actuating cylindersb.Reservoirsa.Check valvesd.e.Relief valvesPower pumpsPressure regulatorAccumulatorHydraulic fuseJ.k. Flap overload valveOrifices check valve1.m. Sequence or timing valveShuttle valven.Pressure gauges and snubberso.Constant Pressure and Open Center Hydraulic SystemsConstant pressure systemsa.Open center systemsb.Inspect and Service Hydraulic Reservoirsa. Servicing placardFiller openingsb.Expansion spacee.Fluid quantityd.Filterse.Hydraulic PumpsConstant displacement pumpsa.Variable displacement pumpsb.Check, Inspect, Remove and Install Hydraulic PumpsEngine driven pumpsa.Electrically driven pumpsb.TroUbleshooting Hydraulic Pumps.a. Engine driven pumpsElectrically driven pumpsb.Hydraulic Accumulatorsa. Operationb. ServicingInspectionc.d. RemovalReplacemente.Safety precautionsf.f.g.h.1.3.4.5.7.8.Selector, valves
II.HYDRAULIC AND PNEUMATIC POWER SYSTEMS9.10.III.(Contd.)Hydraulic System Pressuresa. Normal system operationb.Low system pressureHigh system pressurec.d.Fluctuating pressureAdjustment of pressurese.Hydraulically Operated Flap Systema.System operationb.Inspection of flap systemFlap adjustmentsc.QUINMESTER POST TEST.
BEHAVIORAL OBJECTIVESBLOCK I - AIRCRAFT FUEL SYSTEMSA,Inspect, Check, Service, Troubleshoot and RepairAircraft Fuel Systems.1.Inspect and Service Fuel TanksGiven:Fuel tanks of the separate metal type,flexible bladder and integral types, appropriate service information and copies of theapplicable Federal Aviation Regulations.Performance:The student will inspect each of the threedifferent types of tank. Using appropriateservice information, he will describe theconstruction characteristics and installationprecautions for each type of tank.Standard:The inspection will be performed as specifiedin the service manual. Correct nomenclatureand terminology will be applied to alldescriptions of servicing and installations.2.Inspect, Check, Service, Troubleshoot and RepairFuel Valves and Fuel Pumps.Given:An operational fuel system or test benchmock-up, manually operated fuel valves,engine driven fuel pumps, electricallydriven fuel pumps, and service informationpertaining to the operation and troubleshooting of fuel valves and pumps.Performance:The student will inspect, check, service,troubleshoot and repair each type of valveand pump.Standard:Each unit will function within the toleranceprovided and will be free from leaks andother hazards, but need not meet return-toservice standards.
B.C.Repair Aircraft Fuel System Components1.Interpret Information Pertaining to the Repairof Fuel Tanks.Given:Typical aircraft fuel tanks of the separatemetal type, flexible bladder and integraltypes, ten written questions pertaining tothe repair of fuel system tanks, and appropriate written reference information.Performance:The student will locate and interpret information from repair manuals and describe therepair procedures for each type of tank.Standard:The repair procedures will be interpretedCorrect nomenclature andwithout error.terminology will be used in all descriptions.2.Interpret Information Pertaining to the Repairof Fuel System ComponentsGiven:Aircraft fuel system strainers, selectorvalves, fuel lines and hoses, and fueldrains, appropriate reference informationand ten written questions pertaining to therepair of fuel system components.Performance:The student will locate and interpret information from the manuals and describe therepair procedures for fuel system componentsas specified in the written questions.Standard:The repair procedures will be interpretedwithout error- Correct nomenclature andterminology will be used as a part of alldescriptions.Inspect and Repair Fuel Quantity Indidating Systems1.Inspect Fuel Quantity Indicating SystemsGiven:An operational fuel quantity indicatingsystem of the direct reading (sight4augeor mechanical float) type, and a remoteindicating electrical type, appropriatereference information and ten statementsdescribing malfunction of the systems'.-7-
Performance:The student will inspect the operating systems, correctly interpret information fromthe manuals and describe the repairs thatwould be undertaken to correct the malfunctions described in the ten statements.Standard:The repair practices and procedures of themanual will be interpreted without error.Correct nomenclature will be used as a partof all described repairs.2.D.Repair Fuel Quantity Indicating SystemsGiven:An operational fuel quantity indicatingsystem of the direct reading (sight gauge ormechanical float) type, and a remote indicating electrical type, appropriate referenceinformation and ten statements describingmalfunctions of the system.Performance:The student will inspect the operatingsystems, correctly interpret informationfrom the manuals and describe the repairthat would be undertaken to correct themalfunctions described in the ten statements.Standard:The repair practices and procedures of themanual will be interpreted without error.Correct nomenclature will be used as a partof all described repairs.Inspect, Check and Repair Pressure Fueling Systems1.Describe the Inspection of Pressure FuelingSystemsGiven:Visual aids, mock-ups, and technical dataavailable from the manufacturer's manual.Performance:The student will describe the procedures tobe followed when inspecting pressure typefueling systems.standard:Reference publications will be used duringthe descriptions. Correct nomenclature andterminology will be used as a part of alldescriptions.-8-
2.Describe the Repair of Pressure Fueling SystemsGiven:Visual aids, mock-ups and technical dataavailable from the manufacturer's servicemanual.Performance:The student will describe the procedures tobe followed when repairing pressure typefueling-systems.Standard:Reference publications will be used duringdescriptions. Correct nomenclature andterminology will be used as a part of thedescription.E.Check and Service Fuel Dump Systems1.Describe the Checking of a Fuel Dump SystemGiven:Visual aids and the technical data availablefrom the manufacturer's service publications.Performance:The student will locate information in thereference publication and describe checkinga fuel dump system.Standard:Correct nomenclature and terminology will berequired as a part of the description.2.Describe the Servicing of a Fuel Dump SystemGiven:Visual aids and the technical data availablefrom the manufacturer's service publications.Performance:The student will locate information in thereference publication and describe servicinga fuel dump system.Standard:Correct nomenclature and terminology will berequired as a part of the description.F.Perform Fuel Management, Transfer and Defueling1.'Perform Fuel Transfer.Given:Schematic diagrams or mock-ups of a fuelsystem that incorporate provisions for cross feed, 'fuel transfer and, the service-9-
publications that cover the specificsystems.Performance:The student will locate information in theappropriate technical publications anddescribe the procedure necessary to transferor cross-feed fuel.Standard:Correr't nomenclature and terminology will beused as a part of the description of operation.2.Perform DefuelingGiven:Schematic diagrams or mock-ups of a fuelsystem that incorporates provisions forcross-feed, fuel transfer and the servicepublications that cover the specific systems.Performance:The student will locate information in theappropriate technical publications anddescribe the procedures necessary to defuelthe system.Standard:Correct nomenclature and terminology will beused as a part of the description of operation.G.Troubleshoot, Service and Repair Fuel Pressure andTemperature Warning Systems1.Fuel Pressure Warning SystemsGiven:An operating fuel system installed in anairplane or a mock-up, including a pressureand temperature system, a schematic diagramof the system, and service informationapplicable to the specific system.Performance:The student will operate the system andadjust the pressure sensing devices. He willinterpret information and identify the causeof an instructor-introduced fault in thesystem. He will repair the system as directedin the service manual.-10-
Standard:All troubleshooting, servicing and repair ofthe fuel pressure warning system will be inaccordance with the service publication.Repair information in the service manual willbe followed without error.2.Temperature Warning SystemsGiven:An operating fuel system installed in anairplane or on a mock-up, including apressure and temperature warning system,and service information applicable to thespecific system.Performance:The student will operate the system andadjust the temperature sensing devices. Hewill interpret information and identify thecause of an instructor-introduced fault inthe system. He will repair the system asdescribed in the service manual.Standard:All troubleshooting, servicing and repairof the temperature warning system will bein accordance with the service publications.Repair information in the service manual willbe followed without error.BLOCK II - HYDRAULIC AND PNEUMATIC POWER SYSTEMSA.Identify and Select Hydraulic Fluids1.Identify Hydraulic FluidsGiven:Samples of ester base, petroleum base andvegetable base hydraulic fluids, with writteninformation describing characteristics of thevarious fluids.Performance:The student will distinguish between thesamples by color, odor and specificationnumber.Standard:The three types of fluid will be identifiedwithout error.
2.Select Hydraulic FluidGiven:Placards of the type attached to hydraulicreservoirs', written information describingthe characteristics and uses of hydraulicfluids.Performance:The student will select the correct type offluid for the system to be serviced.Standard:Reference information and placards will becorrectly identified and complied with.B.Repair Hydraulic and Pneumatic Power System Components1.Select and Install SealsGiven:Hydraulic components not requiring complexassembly and disassembly, various types andsizes of seals and fluids, and referenceinformation describing the procedures forreplacing and testing seals in a hydraulicunit after replacement.Performance:The student will use and interpret information that will assist in identifying andselecting seals for use in ester, petroleumand vegetable base hydraulic fluids. He willinstall seals in one unit in accordance withprocedures specified in the manual, and willtest the unit following reassembly.Standard:The unit which had seals replaced will function as it was designed to operate, withoutinturnal or external leakage.2.Identify, Remove and Install a HydraulicSelector ValveGiven:An operational hydraulic system or a segmentincluding a source of hydraulic pressure, aselector valve, an actuating cylinder, writtenservice instructions, spare selector valve toinstall in the system, line caps and plugs,and a supply of hydraulic fluid.-12-
Performance:The student will identify, remove and installa selector valve in the system. He willoperationally check the system followingreplacement of the valve.Standard:The selector valve will be identified, reThe removal and installagardless of type.tion procedure will be adhered to withouterror or omission. The system will functionnormally.3.Remove and Install Hydraulic Pressure RegulatorsGiven:An operational hydraulic system, writtenreference information, a replacementpressure regulator, line caps and plugs,and hydraulic fluid.Performance:The student will identify, remove and installa pressure regulator in the hydraulic system.The pressure will be adjusted to within thetolerance specified in the maintenance instructions.Standard:The procedures will be fully in accordancewith the written instructioils. The pressurewill be adjusted to within the tolerancespecified in the instructions.4.Interpret and Describe the Operation of aPneumatic Power SystemGiven:Diagrams and drawings of a pneumatic powersystem, including a multi-stage compressor,filter, intercooler and/or oil separator,and written reference information describingthe operation of the system.Performance:The student will interpret information andexplain the principles of pneumatics and theoperation of the specific system.Standard:Explanations and descriptions will be inaccordance with the technical information provided. Correct nomenclature and terminologywill be a part of all explanations anddescriptions.-13-
C.Inspect, Check, Service, Troubleshoot and RepairHydraulic and Pneumatic Power Systems1.Solve Problems Involving Force, Area andPressureGiven:Ten problems applying the relationship ofapplied force, area of the cylinder orpiston, and pressure per unit area.Performance:The student will solve the problems whenone of the factors is unknown. He willexplain the hydraulic principles involvedin the solution of the problems.Standard:At least eight of the ten problems will beCorrect nomenclature andsolved correctly.terminology will be used in all solutionsand explanations.2.Interpret Reference Information Pertaining tothe Operation of a Basic Hydraulic SystemGiven:Reference manuals, drawings, diagrams, mockups or components installed in aircrafthydraulic systems, including but not limitedto: reservoir, pumps, check.valves, actuatingcylinders, selector valves, relief valves,pressure regulators, accumulators, fuse,sequence valve and pressure gauges.Performance:The student will :i.nterpret the reference.Information and diagrama basic hydraulicsystem. He will show and explain therelationship, purpose and fUnction of eachcomponent in the system.Standard:Reference material will be interpretedwithout error. Correct nomenclature andterminOlOgy will be used in all explanations and descriptions.Compare Constant Pressure and Open Center Typesof Hydraulic SystemGiven:Charts, manuals, diagrams, mock-ups or coin.plate aircraft hydraulic systems of the constant pressure and open center types.-14-
Performance:The student will identify each type ofsystem and will compare the components andmethod of system pressure regulation.Standard:All reference information will be interpreted and comparison made without error.Correct nomenclature and terminology willbe used in the explanations.4.Inspect and Service Hydraulic ReservoirsGiven:An operational hydraulic system or mock-up,provided with a vented or pressurized reservoir; a supply of hydraulic fluid andwritten inspection and servicing instructionsfor the specific aircraft hydraulic system.Performance:The student will inspect the reservoir andservice it with the correct type of fluid,and will check the filter for contamination.Standard:The inspection and servicing procedure willbe fully in accordance with servicing instructions.5.Identify and Describe the Operation of Constantand Variable Displacement PumpsGiven:Visual aids, manuals, and samples or cutawaysof constant and variable displacement typehydraulic power pumps.Performance:The student will identify and describe theoperation of one pump of each type.Standard:Reference information will be correctlyinterpreted.Nomenclature and terminologywill be correctly used.6.Check, Inspect, Remove and Install HydraulicPower PumpsGiven:An operational hydraulic system installationin an aircraft or a mock-up; three enginedriven pumps, at least one of which has aworn or sheared drive shaft, a suitable-15-
accessory drive pad, and written instructionsdescribing the inspection, installation andremoval of the hydraulic pump.Performance:The student will inspect the pump driveshafts and will identify the pump with thedefective shaft. He will remove and installa pump on the accessory drive pad, and checkthe operation of the system following pumpinstallation.Standard:The pump with the defective.shaft will beidentified without error. Maintenanceinformation will be correctly interpreted.Removal, installation and checking will bein accordance with the written instructions.7.Troubleshoot Hydraulic PumpsGiven:An operational hydraulic system that may besupplied with pressure from an auxiliarypower source0.and written service instructions.Performance:The student will troubleshoot the hydraulicsystem after the instructor has introducedair into the pump. The student will primethe pump and purge air from the system.Standard:The .procedures will be in accordance with thereference information. The pump and systemwill operate, as specified, following correction of the fault.6.Remove, Install, Inspect, Service and Cheek aHydraulic Accumulator.Given:An operational constant pressure hydraulicsystem, including one or more pressureaccumulators, line sealing caps, hydraulicfluid, and written service instructions.Performance:The student will remove, inspect and installan accumulator in the system. Observingproper safety precautions, he will charge itwith air or nitrogen and will check theoperation of the system. He will replace highpressure air valve assemblies as necessary.-16-
Standard:All tasks will be accomplished in accordancewith the manufacturer's specifications.9.Troubleshoot and Determine the Cause of Low,High or Fluctuating Hydraulic PressureGiven:An operational hydraulic system, includingat least a power supply pump, pressure regulating devices, accumulators, flow controlvalves, actuators, and written maintenanceinstructions applicable to the specificsystem.Performance:The student will operate the system, comparethe operating characteristics with thereference information, and detect low, highor fluctuating pressures when faults havebeen.introduced by the instructor. He willadjust and restore the system to normaloperating conditions.Standard:Operation, adjustments and analysis of faultswill be in accordance with the written information. Following observations, analysis andadjustments, the system will operate withintolerances specified in the instructions.10.Inspect, Check and Service a Hydraulically OperatedFlap SystemGiven:An operational hydraulic flap system installedin an aircraft or mock-up, with the manufacturer's maintenance and service publications or written reference information.Performance:The student will inspect, check and servicethe flap system.Standard:The tasks will be completed in accordancewith the written instructions and will result in a system that operates within thetolerances specified in the instructions.
BIBLIOGRAPHY(Aircraft Fuel, Hydraulic and Pneumatic Systems)Basic References:1.Northrup Institute of Technology. Basic Science forAerospace Vehicles. lst ed. New York: McGrawHill Book Company, Inc., 1963. Pp 320.2.Northrup Institute of Technology.Maintenance and3rd Ed. New York:McGraw-Hill Book Company, Inc., 1967. Pp 358.4', Repair of Aerospace Vehicles.Federal Aviation Publications:1.Federal Aviation Administration. Federal AviationRegulations Parts: 1, 23, 25, 27, 29, 33, 35,37, 39, 43, 45, 47, 65, 91 and 145. 1st ed.Washington, D.C.: U.S. Government PrintingOffice. 1968.2.Federal Aviation Administration. Aircraft TypeCertificate Data Sheets and Specifications.Washington, D.C.: U.S. Government1st ed.Printing Office. 1967.3.Federal Aviation Administration. Acceptable Methods,Techniques and Practices - Aircraft Inspectionand Repair, Advisory Circular 43.13-1. 1st ed.Washington, D.C.: U.S, Government Printing Office.1965.Pp 232.4.Federal Aviation Administration. Acceptable Methods,Techniques and Practices - Aircraft Alterations,Advisory Circular 43.13-2. Washington; D.C.:1U:S;-Government Printing Office. 1965. Pp 74.5.Federal Aviation 'Administration. Airframe and Powerplant Mechanics Examination Guide, AdvisoryCircular 65-2A. 1st ed. Washington, D.C.: U.S.Government Printing Office. 1969. Pp 63.-18-
Films:9 min.Color.Sound.UW.1.Basic Hydraulics.2.Basic Hydraulics. 16mm. 16 min.Sound. U.S. Army Air Forces.3.Brakes - Hydraulic, Inspection and Adjustment.10 min. Black and White. Sound. U.S.16mm.Army Air Forces.4.De-icers - Aircraft. 16mm. 20 min. Black andWhite. Sound. U.S. Army Air Forces.5.De-icers - Removal and Storage. 16mm. 10 min.Black and White. Sound. U.S. Army Air Forces.6.Don't Build Hazards into Your Tubing System. 16mm.20 min. Color. Sound. Imperial Eastman.7.Goodyear-Wheels, Tires and Brakes. 16mm. 22 min.Black and White. Sound
DOCUMENT RESUME ED 092 690 CE 001 419 TITLE; Aircraft Fuel, Hydraulic and Pneumatic Systems (Course Outlines), Aviation Mechanics 3 (Air Frame): 906
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NEC Article 690: Solar Photovoltaic Systems II. Circuit Re qq(g,p )uirements (sizing, protection) 690.7 Maximum Voltage—Table 690.7 and manufacturers data. Max. 600Vdc for residential. 690.8 Circuit Sizing and Current 690.8(A) Max current rated Isc x 1.25 Imax
0.4 0.6 0.8 1 1.2 0 200 400 600 800 1000 1200 1400 1600 1800 2000 Cumulative Zinc Exposure, ppb-months Cumulative Dose Rate Reduction Fraction Alloy 800 w/Depleted Zinc Alloy 600 & 690 w/Depleted Zinc Alloy 600 & 690 w/Natural Zinc Log Alloy 800 Plants w/Depleted Zinc Log Alloy 600 & 690 w/Depleted Zinc Log Alloy 600 & 690 w/Natural Zinc
Manual del usuario de la secadora TKS3 690 C Manual do utilizador do secador TKS3 690 C. 2 EN Read this manual prior to initial operation of the product! . Keep this User Manual within easy reach for future reference. Please read all additional documents supplied with your product.
Aberdeenshire Council Local Transport Strategy 2012 6 / 28 key partner in the North Sea Commission’s Transport Group. Our successes to date have been recognised externally with the Council receiving National Transport Awards for specific projects, and the accolade of ‘Transport Local Authority of the Year’, in both 2008 and 2009, while
