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4) Abnormal operation

Topics in this chapter

4.1 Sudden drop of boost pressure and speed................................................ 3

4.2 Sudden rise of boost pressure and speed ................................................. 3

4.3 Periodical rise and drop of boost pressure and speed (boost pressure

control is surging) ................................................................................. 4

4.4 Caution lamps ....................................................................................... 5

4.4.1 Red boost lamp of TCU permanently
illuminating ................................................................................................. 5
4.4.2 Red boost lamp of TCU blinking ............................................................... 5
4.4.3 Orange caution lamp of TCU blinking ........................................................ 6

4.5 Failure of the voltage supply to the TCU ................................................... 6

4.6 Re-Start during flight.............................................................................. 7

4.7 Exceeding max. admissible engine speed ................................................. 7

4.8 Exceeding of max. admissible cooling system

temperature .......................................................................................... 7

4.8.1 Exceeding of max. admissible cyl. head
temperature ................................................................................................ 7
4.8.2 Exceeding of max. admissible coolant
temperature ................................................................................................ 7
4.8.3 Exceeding of max. admissible oil temperature ............................................. 8

4.9 Oil pressure below minimum – during flight .............................................. 8

4.9.1 Oil pressure below minimum - on ground ................................................... 8
4.9.2 Oil pressure above permitted range at low ambient
temperatures............................................................................................... 9

4.10 Engine on fire or fire in the engine

compartment ........................................................................................ 9

4.11 Troubleshooting .................................................................................. 9

Effectivity: 914 Series
Rev. 0

BRP-Rotax

Page 4-1

August 01 2019

Содержание ROTAX 914 Series

Страница 1: ...AIRCRAFT ENGINES ref no OM 914 part no 899706 OPERATORS MANUAL FOR ROTAX ENGINE TYPE 914 SERIES picture ROTAX 914 UL with options...

Страница 2: ...hird parties This legend shall be included on any reproduction of these data in whole or in part The Manual must remain with the engine aircraft in case of sale Copyright 2019 all rights reserved ROTA...

Страница 3: ...FFECTIVE PAGES Chapter TOA Table of amendments Chapter 1 General note Chapter 2 Operating instructions Chapter 3 Standard operation Chapter 4 Abnormal operation Chapter 5 Performance and Fuel consumpt...

Страница 4: ...Page Table of Content 2 August 01 2019 BRP Rotax Effectivity 914 Series INTENTIONALLY LEFT BLANK...

Страница 5: ...ant information about safe operation of the engine together with descriptions of the systems technical data operating media and the operational limits of the engine The specified information and proce...

Страница 6: ...Page INTRO 2 August 01 2019 BRP Rotax Effectivity 914 Series INTENTIONALLY LEFT BLANK...

Страница 7: ...019 13 August 01 2019 14 August 01 2019 2 1 August 01 2019 2 August 01 2019 3 August 01 2019 4 August 01 2019 5 August 01 2019 Chapter Page Date 6 August 01 2019 7 August 01 2019 8 August 01 2019 9 Au...

Страница 8: ...ugust 01 2019 6 August 01 2019 7 August 01 2019 8 August 01 2019 9 August 01 2019 Chapter Page Date 10 August 01 2019 11 August 01 2019 12 August 01 2019 13 August 01 2019 14 August 01 2019 15 August...

Страница 9: ...the ICA for product 1996 Edition 3 Rev 0 August 01 2019 Rev no Chapter Page Date of change Remark for appro val Date of approval from authorities Date of inclusion Sig na ture 0 INTRO all Aug 01 2019...

Страница 10: ...this context but without any claim to completeness Rev no Chapter Page Date of change Comments 0 1 up to 10 all Aug 01 2019 new layout and change of company name also changes in chapter structure Page...

Страница 11: ...cs in this chapter 1 1 General 2 1 2 Abbreviations and terms 3 1 3 Safety 7 1 4 Safety information 9 1 5 Technical documentation 12 1 6 Type description 14 Effectivity 914 Series Rev 0 BRP Rotax Page...

Страница 12: ...to the end customer in an appropriate way e g within the aircraft specific Operators Manual For detailed information related to aircraft and aircraft engine in stallation maintenance safety or flight...

Страница 13: ...minute A Ampere AAPTS Ambient Air Pressure Temperature Sensor AC alternating current AD Airworthiness Directives Ah Ampere hour A C Aircraft AR as required assy assembly ASB Alert Service Bulletin AC...

Страница 14: ...rom aircraft common ground during flight EMC Electromagnetic compatibility EN European Standard ETFE Ethylene Tetrafluoroethylene FAA Federal Aviation Administration FAR Federal Aviation Regulations F...

Страница 15: ...r 1 2 MATS 1 2 Manifold Air Temperature Sensor 1 2 MON Motor Octane Number MAG Magneto Side N Newton n a not available NDT Non Destructive Testing Nm Newtonmeter NVFR Night Visual Flight Rules OAT Org...

Страница 16: ...air SL Service Letter SMD Surface Mounted Devices TBO Time Between Overhaul TC Type certificate part no part number TOA Table Of Amendments TOC Table of content TPS Throttle Position Sensor TSN Time S...

Страница 17: ...ace or discontinue any design specification feature or other at any time and with out incurring obligation Measurement Specifications are given in the SI metric system with the imperi al and US custom...

Страница 18: ...TAL NOTE Environmental notes give you tips on environmental protection A revision bar outside the page margin indicates a change to text or graphic Page 1 8 August 01 2019 BRP Rotax Effectivity 914 Se...

Страница 19: ...nufacturer assem bler and owner user Due to the varying designs equipment and types of aircraft BRP Rotax grants no warranty on the suitability of its en gine s use on any particular aircraft Further...

Страница 20: ...u mentation is not included in the ROTAX engine package Verification to the latest regulations such as FAR or EASA has to be conducted by the aircraft manufacturer Engine log book Keep an engine log b...

Страница 21: ...tools are properly secured before starting the engine Allow the engine to cool at idle for several minutes before turning off the engine Vacuum pump This engine may be equipped with a vacuum pump The...

Страница 22: ...ice Bulletins Service Bulletins Service Instructions Service Instruction Parts and Accessories Service Letters Status The status of Manuals can be determined by checking the table of amendments The fi...

Страница 23: ...of the parts but should outline the same or similar function Therefore deriving dimensions or other details from il lustrations is not permitted TYPICAL indicates a general view which may not represe...

Страница 24: ...with flange for constant speed propeller and drive for hydraulic governor for constant speed propeller Suffix XX Explanation of the type designation Suffix see SB 914 049 Options Optional extras to t...

Страница 25: ...the type certificate of type 914 F JAR 33 TC No E00058NE JAR E TC No EASA E 122 Introduction The operating limits for certified engines are also given in the type certificate for the relevant engine t...

Страница 26: ...A Condition International Standard Atmosphere Performance Performance data relate to ISA International Standard Atmos phere conditions without Governor external alternator etc Take off performance 84...

Страница 27: ...performance max 1200 hPa 35 4 in HG Acceleration Limit of engine operation at zero gravity and in negative g condition Max 0 5 g max 5 second Critical flying altitude Available boost pressure ATTENTI...

Страница 28: ...approx 90 to 110 C 190 230 F Exhaust gas temperature Max 950 C 1742 F Conventional coolant temperature Applicable for engine S N without Suffix 01 See also Chapter Operating media coolant Coolant temp...

Страница 29: ...4 F UL Permanent monitoring of coolant temperature is necessary Ambient temperature Max at start 50 C 120 F ambient temperature Min at start 25 C 13 F oil temperature Fuel pressure m WARNING Non compl...

Страница 30: ...alternator Max 1200 W Static roll angle The dry sump lubrication system warrants lubrication in every flight situation below maximum static roll angle Parameter Min Max Static roll angle 40 Page 2 6...

Страница 31: ...bubble formation freezing or thickening of the coolant with in the operating limits Use the coolant specified in the manufacturer s documentation Mixture ATTENTION Obey the operating media manufactur...

Страница 32: ...Anti knock properties 914 F UL Min RON 95 NOTE For fuels according to ASTM D4814 specifications following AKI Anti Knock Index value has to be observed min AKI 91 MOGAS Usage Description MOGAS 914 F...

Страница 33: ...es without prior consent Due to the high stresses in the reduction gears oils with gear additives such as high performance motor cycle oils are required Because of the incorporated overload clutch oil...

Страница 34: ...range of neighboring SAE grades over lap there is no need for change of oil viscosity at short duration of ambient temperature fluctuations AE 2_0064 Figure 1 Temperature range Page 2 10 August 01 20...

Страница 35: ...ration 11 Introduction To warrant reliability and efficiency of the engine meet and carefully observe all the operating and maintenance instructions The following description of procedures depends on...

Страница 36: ...Maintenance Manual is necessary Do not release the engine in to service before rectification Coolant level ATTENTION Operating media must be observed Inappropriate coolant quantity can lead to serious...

Страница 37: ...ries Rev 0 BRP Rotax Page 3 3 August 01 2019 Expansion tank 1 08523 2 Figure 1 Expansion tank 1 Radiator cap 2 Expansion tank Overflow bottle coolant AE 5iS_0139 1 2 Figure 2 Overflow bottle 1 Overflo...

Страница 38: ...ensor actuators and the wiring harness ATTENTION At excessive resistance of the engine perform the relevant un scheduled maintenance check according to Maintenance Man ual Line chapter Hard to turn ov...

Страница 39: ...el leaks If leaks are evident rectify and repair them before next flight Oil level ATTENTION Operating media must be observed Inappropriate oil quantity can lead to serious engine damage The specifica...

Страница 40: ...ding the max mark since excess oil could be poured out through the venting system Difference between max and min mark 0 45 litre 0 95 liq pt Oil consumption max 0 06 l h 0 13 liq pt h 5 Re install bay...

Страница 41: ...ssary Do not release the engine into service before rectification Step Designation Procedure 5 Electric fuel pump ON 6 Ignition Both circuits switched on 7 Starter button Actuate ATTENTION Activate st...

Страница 42: ...start with throttle lever in idle po sition or at the most up to 10 open 2 For the same reason wait for around 3 sec after throt tling back to partial load to reach constant speed before re accelerat...

Страница 43: ...circuits at 4000 rpm approx 1700 rpm propeller Step Procedure 1 Speed engine rpm drop with only one ignition circuit must not exceed 500 rpm approx 210 rpm propeller 2 150 rpm approx 65 rpm propeller...

Страница 44: ...rating limits 3 7 Take off standard with activated servo motor of the TCU Step Procedure 1 Switch on the auxiliary fuel pump at take off 2 Move throttle lever to 115 take off performance 3 The auxilia...

Страница 45: ...lity To evaporate possibly accumulated condensation water at least once a day 100 C 212 F oil temperature must be reached 3 10 Engine shut off Normally the cooling down of the engine during descending...

Страница 46: ...ht Manual supplied by the aircraft manufacturer The turbocharger will heat up the intake air If however intake air pre heating is necessary observe the aircraft manufac turers engine installation and...

Страница 47: ...y to the TCU 6 4 6 Re Start during flight 7 4 7 Exceeding max admissible engine speed 7 4 8 Exceeding of max admissible cooling system temperature 7 4 8 1 Exceeding of max admissible cyl head temperat...

Страница 48: ...per maintenance Manual Line Chapter 05 50 00 before the next flight Only qualified staff authorized by the Aviation Authorities trained on this particular engine is allowed to carry out maintenance a...

Страница 49: ...does not close Limited flying operation as possibly wastegate does not respond NOTE A minimum performance of approx 66 kW 88 HP remains available with the wastegate in the fully open position 4 2 Sudd...

Страница 50: ...eed Switching off the servo motor momentarily or permanently must be recorded by the pilot in the logbook stating the exact time and duration of switching off ATTENTION If this action does not stabili...

Страница 51: ...eeded Reduce speed and boost pressure manually to be within the operating limits Limited flying operation as boost pressure control may be unavailable or insufficiently 4 4 2 Red boost lamp of TCU bli...

Страница 52: ...rational conditions additional installation provisions etc and can not be determined at the engine man ufacturing level and therefore must be established at the air craft manufacture s level 4 5 Failu...

Страница 53: ...system temperature ATTENTION Reduce engine power setting to the minimum necessary and carry out precautionary landing 4 8 1 Exceeding of max admissible cyl head temperature ATTENTION Reduce engine pow...

Страница 54: ...mperature condition A maintenance inspection should be carried out 4 9 Oil pressure below minimum during flight ATTENTION Reduce engine power setting to the minimum necessary and carry out precautiona...

Страница 55: ...ufacturer After landing locate the cause of fire and resolve the error be fore next flight by qualified staff authorized by the Aviation Authorities An entry in the logbook must be made A maintenance...

Страница 56: ...Use top quality low friction oil allow for sufficient cooling period to coun ter for performance drop on hot start er preheat engine Wrong fuel Jetfuel or Diesel Change of fuel Fuel air ratio to rich...

Страница 57: ...h oil in oil tank Refill oil Oil too hot Cool down oil High oil pressure Possible cause Remedy Oil too coldl Cover oil cooler or install thermostat Wrong viscosity of oil Change oil to lower viscosity...

Страница 58: ...tart the oil tank must be observed and the oil pressure should be above 1 5 bar 22 psi Otherwise the speed must be low ered again because not enough cold oil can be sucked If oil pressure is reading l...

Страница 59: ...es and performance graphs on the next few pages are intended to show you what kind of performance to expect from your engine in terms of power output The indicated power can be achieved by following t...

Страница 60: ...rmance graphs Performance graphs for standard conditions ISA Figure 1 Performance graphs A Take off performance B Continuous full throttle performance C Power requirement of propeller Page 5 2 August...

Страница 61: ...to bigger deviations Manifold pressure Figure 2 Manifold pressure A Engine curve take off performance 84 5 kW at 5800 rpm 1300 hPa 38 4 in HG 1320 hPA 39 0 in HG 3 B Engine curve continuous full thro...

Страница 62: ...ue Nm ft lb Manifold press in HG Throttle position Take off power 5800 84 5 115 139 102 39 115 0 max con tinuous power 5500 73 5 100 128 93 35 100 0 75 5000 55 1 74 105 77 31 approx 67 65 4800 47 8 64...

Страница 63: ...8 76 75 74 72 71 70 69 68 67 66 2000 11 284 87 85 83 81 80 78 77 76 74 73 72 70 69 68 67 66 65 4000 7 280 86 84 82 81 79 78 76 75 73 72 71 70 68 67 66 65 64 6000 3 276 85 83 82 80 78 77 75 74 73 71 70...

Страница 64: ...ption Figure 4 Fuel consumption A Engine curve take off performance B Engine curve continuous full throttle performance C Propeller curve Power requirement of propeller Page 5 6 August 01 2019 BRP Rot...

Страница 65: ...l muffler engine suspension frame tur bocharger and TCU turbocharger control unit without radiator and fuel pump Configuration 2 914 F 914 UL 71 7 kg 158 lb 71 7 kg 158 lb with overload clutch 70 0 kg...

Страница 66: ...Page 6 2 August 01 2019 BRP Rotax Effectivity 914 Series INTENTIONALLY LEFT BLANK...

Страница 67: ...hapter of the Operators Manual contains information about the general engine specification as well as a description of cooling system fuel system lubrication system electric system and the propeller g...

Страница 68: ...onstant depression carburetors and airbox 2 electric fuel pumps 12 V DC Electric starter standard or starter with extended power output Stainless steel exhaust system Expansion tank coolant Engine sus...

Страница 69: ...is engine external alternator vacuum pump feasible on configuration 2 only drive for tachometer hour meter oil radiator with connections coolant radiator coolant overflow bottle m WARNING Non complian...

Страница 70: ...cm 73 9 in Compression ratio 9 0 1 7 1 4 Engine components AE_914_0049_g 8 9 7 6 3 4 5 1 2 Figure 1 Engine components 1 Propeller gearbox 2 Airbox 3 Oil pump 4 Oil filter 5 Oil cooler 6 Oil tank 7 Exh...

Страница 71: ...Cylinder arrangement AE_914_0008_c Cyl 1 Cyl 3 Cyl 2 Cyl 4 PTO MAG Figure 2 Cylinder arrangement 7 1 6 Direction of rotation Direction of rotation on propeller shaft counter clockwise viewed from the...

Страница 72: ...the coolant is sucked back to the water pump In common installations the coolant passes a radi ator in between Additionally the expansion tank is closed by a pressure cap with excess pressure valve an...

Страница 73: ...pressure regulator ensures that the fuel pressure is al ways maintained approx 0 25 bar 3 63 psi above the variable boost pressure in the airbox Return line ATTENTION The fuel return must be a line of...

Страница 74: ...il radiator is optional Crankcase The surplus of oil emerging from the points of lubrication accu mulates on the bottom of crankcase and is forced back to the oil tank by the piston blow by gases Oil...

Страница 75: ...9 10046 10 9 4 5 6 7 8 3 1 2 Figure 6 Lubrication system 1 Pressure regulator 2 Oil pump 3 Oil tank 4 Oil radiator 5 Venting tube 6 Oil pressure sensor 7 Oil line main oil pump 8 Oil line secondary oi...

Страница 76: ...c modules At the moment of ignition 2 each of the 4 external trigger coils actuate the discharge of the ca pacitors via the primary circuit of the dual ignition coils NOTE An additional trigger coil i...

Страница 77: ...t pressure in the airbox is deter mined by the throttle position sensor mounted on the carburetor 2 4 The sensor s transmitted position is linear from 0 to 115 corresponding to a throttle position fro...

Страница 78: ...34 36 38 46 in HG 1500 40 42 44 Figure 9 Throttle position versus nominal airbox pressure The most important points for engine operation engine performance throttle position nominal airbox pressure I...

Страница 79: ...do not a check as per Maintenance Manual is necessary Orange caution lamp If the caution lamp illuminates during the function test and then goes off this indicates the TCU is ready for operation If t...

Страница 80: ...e brought together in the exhaust manifold From there the exhaust gases pass the turbine side of the tur bocharger depending on the waste gate position From there the exhaust gases leave the engine th...

Страница 81: ...n and configuration the propeller gearbox is supplied with or without an overload clutch NOTE This overload clutch will prevent any undue load to the crank shaft in case of ground contact of the prope...

Страница 82: ...lutch will also prevent any undue load to the crankshaft in case of ground contact of the propeller See Service Letter SL 914 013 Vacuum pump or hydraulic governor Only at configuration 3 Alternativel...

Страница 83: ...G Non compliance can result in serious injuries or death Only qualified staff authorized by the Aviation Authorities trained on this particular engine is allowed to carry out maintenance and repair wo...

Страница 84: ...ine oil temperature between 50 to 70 C 122 to 160 F 2 Shut off engine 3 Allow the engine to cool down 4 Change oil 5 Remove the top spark plugs and spray into openings with corrosion inhibiting oil 6...

Страница 85: ...o operation If preservation including oil change took place within a year of storage oil renewal will not be necessary For longer storage periods repeat preservation annually Step Procedure 1 Remove a...

Страница 86: ...Page 8 4 August 01 2019 BRP Rotax Effectivity 914 Series INTENTIONALLY LEFT BLANK...

Страница 87: ...e should be filled out and sent to the responsible ROTAX authorized aircraft engines distributor or their independent Service Center NOTE The form is also available from the official ROTAX AIRCRAFT EN...

Страница 88: ...9 1 Form Figure 1 Form Page 9 2 August 01 2019 BRP Rotax Effectivity 914 Series Rev 0...

Страница 89: ...he respective collecting point or hand it over to an approved disposal company Fuel Dispose of fuel at the respective collecting point or hand it over to an approved disposal company m WARNING Flammab...

Страница 90: ...from ROTAX aircraft engines F O B to ROTAX Authorized Distributors or their independent Service Centers Chemical agents cleaner LOCTITE etc Please observe the safety and disposal instructions of the m...

Страница 91: ...art 5 6 Exceeding cylinder head temperature 7 Exceeding engine speed 7 Exceeding of max admissible coolant temperature 7 Exceeding of max admissible cooling system temperature 7 Exceeding oil temperat...

Страница 92: ...tart as per RTCA DO 178 B 10 Start standard 10 Sudden drop boost pressure speed 3 Sudden rise boost pressure speed 3 T Table of amendments 1 Take off 10 TCU Caution lamps 13 Technical data 4 Technical...

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Страница 96: ...________________________________________ Type of aircraft __________________________________________________________ Aircraft registration no ROTAX authorized distributor www flyrotax com www abm at O...

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