Rotax 912 i Series Installation Manual
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Rotax 912 i Series Installation Manual

Rotax 912 i Series Installation Manual

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AIRCRAFT ENGINES
ref. no.: IM-912 i | part no.: 898647

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Summary of Contents for Rotax 912 i Series

  • Page 1 AIRCRAFT ENGINES ref. no.: IM-912 i | part no.: 898647...
  • Page 2 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 2012 © - all rights reserved. ROTAX is a trade mark of BRP-Powertrain GmbH&Co. KG. In the following document ®...
  • Page 3 If any passages of this Manual are not clearly understood or if you have any questions, please contact an authorized distributor- or Service Center for ROTAX aircraft engines. BRP-Powertrain GmbH & Co KG (hereinafter “BRP-Powertrain“) wishes you much pleasure and satisfaction flying your aircraft powered by this ROTAX aircraft engine.
  • Page 4 BRP-Powertrain INSTALLATION MANUAL NOTES INTRO Effectivity: 912 i Series Edition 1/Rev. 0 page 2 January 01/2012...
  • Page 5 01 01 2012 01 01 2012 01 01 2012 01 01 2012 01 01 2012 01 01 2012 01 01 2012 01 01 2012 01 01 2012 01 01 2012 Effectivity: 912 i Series Edition 1/Rev. 0 page 1 January 01/2012...
  • Page 6 01 01 2012 01 01 2012 01 01 2012 01 01 2012 01 01 2012 80-00-00 01 01 2012 01 01 2012 01 01 2012 01 01 2012 01 01 2012 Effectivity: 912 i Series Edition 1/Rev. 0 page 2 January 01/2012...
  • Page 7 BRP-Powertrain INSTALLATION MANUAL chapter page date 80-00-00 01 01 2012 01 01 2012 01 01 2012 Rear page Effectivity: 912 i Series Edition 1/Rev. 0 page 3 January 01/2012...
  • Page 8 BRP-Powertrain INSTALLATION MANUAL NOTES Effectivity: 912 i Series Edition 1/Rev. 0 page 4 January 01/2012...
  • Page 9 01 01 2012 73-00-00 01 01 2012 74-00-00 01 01 2012 75-00-00 01 01 2012 76-00-00 01 01 2012 78-00-00 01 01 2012 79-00-00 01 01 2012 80-00-00 01 01 2012 Effectivity: 912 i Series Edition 1/Rev. 0 page 1 January 01/2012...
  • Page 10 BRP-Powertrain INSTALLATION MANUAL NOTES Effectivity: 912 i Series Edition 1/Rev. 0 page 2 January 01/2012...
  • Page 11 INSTALLATION MANUAL Chapter: TOA SUMMARY OF AMENDMENTS Summary of the relevant amendments in this context, but without require- Content ment on completeness. Current chapter page date of change Comment Effectivity: 912 i Series Edition 1/Rev. 0 page 3 January 01/2012...
  • Page 12 BRP-Powertrain INSTALLATION MANUAL NOTES Effectivity: 912 i Series Edition 1/Rev. 0 page 4 January 01/2012...

  • Page 13: Table Of Contents

    This section describes the maintenance of engine type ROTAX Introduction 912 i Series. NOTE: ROTAX 912 i Series includes 912 iSc and 912 iS. This chapter of the Installation Manual contains general and safety infor- Table of contents mation concerning the operation and maintenance of the aircraft engine.
  • Page 14 BRP-Powertrain INSTALLATION MANUAL NOTES 00-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 page 2 January 01/2012...

  • Page 15: General Note

    For additional information on engines, maintenance or parts, you can also contact yout nearest authorized ROTAX-aircraft engine distributor. For ROTAX Authorized Distributors for Aircraft Engines see latest Opera- ROTAX Distributors tors Manual or on the Internet at the official Website www.FLYROTAX.com.

  • Page 16: Type Description

    Available options (optional equipment) for the engine type mentioned Options above: external vacuum exhaust governor alternator pump system for configuration 2 for configuration 3 00-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 page 4 January 01/2012...

  • Page 17: Standard Version

    - Preparation for hydraulic governor for constant speed propeller: (con- figuration 3 only) - Exhaust system - Cooling air baffle - Engine suspension frame - Fuel pump assy. Effectivity: 912 i Series 00-00-00 Edition 1/Rev. 0 page 5 January 01/2012...
  • Page 18 - external alternator - oil cooler with connections - coolant radiator - coolant overflow bottle Following auxiliary equipment has not been tested on ROTAX engine Auxiliary equip- ment not tested type 912 i for safety and durability to the standards of aviation.

  • Page 19: Abbreviations And Terms Used In This Manual

    Design Organisation Approval Department of Transport EASA European Aviation Safety Agency Engine Control Unit Exhaust Gas Temperatur Engine Management System European Norm Federal Aviation Administration Effectivity: 912 i Series 00-00-00 Edition 1/Rev. 0 page 7 January 01/2012...
  • Page 20 Revolutions per minute Service Bulletin Service Instruction Service Letter Surface Mounted Devices Serial Number s.v. still valid (only Illustrated Parts Catalog) Time Between Overhaul Table of amendments Table of Contents 00-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 page 8 January 01/2012...
  • Page 21 BRP-Powertrain INSTALLATION MANUAL Abbreviation Description Time Since New TSNP Time Since New Part Time Since Overhaul Volt Visual Flight Rules shows the serial component number Effectivity: 912 i Series 00-00-00 Edition 1/Rev. 0 page 9 January 01/2012...

  • Page 22: Conversion Table

    21 13 8.4 5.3 3.3 2.1 1.3 0.8 0.52 1 bar = 100000 Pa/1000 hPa/ 100 kPa 1 bar = 14.5037 lbf/in (psi) 1 in Hg = 33.8638 hPa 00-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 page 10 January 01/2012...

  • Page 23: Safety Notice

    ENVIRONMENT NOTE Environment note gives you tips and behaviors to environmental protec- tion. A revision bar outside of the page margin indicates a change to text or graphic. Effectivity: 912 i Series 00-00-00 Edition 1/Rev. 0 page 11 January 01/2012...

  • Page 24: Safety Information

    WARNING Unless correctly equipped to provide enough electrical power for night IFR (according latest requirement as ASTM), the ROTAX 912 iS is restricted to DAY VFR only. - In addition to observing the instructions in our Manual, general safety and accident preventative measures, legal regulations and regulations of any aeronautical authority must be observed.
  • Page 25 - Improper engine installation and use of unsuitable piping for fuel, cool- ing and lubrication system releases engine manufacturer from any lia- bility. Effectivity: 912 i Series 00-00-00 Edition 1/Rev. 0 page 13 January 01/2012...

  • Page 26: Instruction

    (see IPC) or suitable equivalent in the manufactur- er’s opinion otherwise, any limited warranty by BRP- Powertrain is null and void (see Warranty Conditions). Spare parts are available at the authorized ROTAX Distributor and their Service Center. Any warranty by BRP-Powertrain becomes null and...

  • Page 27: Technical Documentation

    The status of the Manuals can be determined with the aid of the table of Status amendments. The first column indicates the revision state. This figure should be compared with the revision provided on ROTAX- Aircraft Engines Website: www.FLYROTAX.com. Amendments and current versions can be downloaded free of charge.
  • Page 28 This number (e.g. 00277) is of no significance for the con- tent. Installation drawings and a DMU-model for (virtual) installation analysis Installation drawings are available from the ROTAX Authorized Distributors or their Service Centers. 00-00-00 Effectivity: 912 i Series Edition 1/Rev. 0...
  • Page 29 BRP-Powertrain INSTALLATION MANUAL Installation drawing Graphic Effectivity: 912 i Series 00-00-00 Edition 1/Rev. 0 page 17 January 01/2012...
  • Page 30 BRP-Powertrain INSTALLATION MANUAL NOTES 00-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 page 18 January 01/2012...
  • Page 31 Page 4 Engine suspension and installation position Page 6 Engine suspension instructions Page 6 Attachment points Page 8 Definition of attachment points Page 9 Permissible installation positions Page 11 Effectivity: 912 i Series 10-10-00 Edition 1/Rev. 0 Page 1 January 01/2012...
  • Page 32 BRP-Powertrain INSTALLATION MANUAL NOTES 10-10-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 2 January 01/2012...

  • Page 33: Preparations For Engine Installation

    The engine can be attached with steel angles anchored on a timber plate. - When the engine is delivered, check that the GENUINE-ROTAX pack- ing is not damaged. - If the packing is damaged, contact the authorised sales and service partner for ROTAX aircraft engines.

  • Page 34: Preservation And Storage Of The Engine

    BRP-Powertrain. This warranty is subject to the following conditions: Warranty - The engine must be stored in the GENUINE-ROTAX packing as sup- plied by BRP-Powertrain. - The covers on various openings must not be removed. - The engine must be stored in a suitable place (at min. -40 °C/-40 °F and max.
  • Page 35 Exhaust sockets Fuel pressure regulator (outlet) Fuel pressure regulator (inlet) Oil inlet/outlet Supply and discharge of coolant Throttle valve support assy. Propeller shaft on version 3 Graphic Fig. 2 Effectivity: 912 i Series 10-10-00 Edition 1/Rev. 0 Page 5 January 01/2012...

  • Page 36: Engine Suspension And Installation Position

    The engine suspension must be designed to prevent NOTICE WARNUNG and vibration excessive engine movement and to minimise noise emission and vibration on the airframe. If the GENUINE-ROTAX engine suspension frame is NOTICE WARNUNG not being used, a vibration test must be carried out. See SL-912-010. 10-10-00 Effectivity: 912 i Series Edition 1/Rev.
  • Page 37 All elements for neutralising vibrations must be cap- NOTICE WARNUNG ments tive. The y-axis must be perpendicular to the longitudinal axis of the aircraft. Vertical axis Permissible deviation from perpendicular: 10°. Deviation Fig. Effectivity: 912 i Series 10-10-00 Edition 1/Rev. 0 Page 7 January 01/2012...

  • Page 38: Attachment Points

    A minimum of 4 attachment points must be used. NOTICE WARNUNG These must be distributed symmetrically between the left (L) and right (R) sides. 10-10-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 8 January 01/2012...

  • Page 39: Definition Of Attachment Points

    Tighten all engine suspension screws as specified by the aircraft manufacturer. Attachment points Graphic Fig. 5 Effectivity: 912 i Series 10-10-00 Edition 1/Rev. 0 Page 9 January 01/2012...
  • Page 40 5000/196.85 2000/78.74 3000/118.11 100/3.94 Max. usable Attachment points Thread Thread length 25 mm/0.98 in. 16 mm/0.63 in. 10-10-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 10 January 01/2012...

  • Page 41: Permissible Installation Positions

    - Installation only with propeller shaft above cylinders The centres of attachment points L1 and R1 must be on a y2 axis parallel Propeller axis to the y-axis. Permissible deviation from parallel: ±5° Fig. 6 Effectivity: 912 i Series 10-10-00 Edition 1/Rev. 0 Page 11 January 01/2012...
  • Page 42 BRP-Powertrain INSTALLATION MANUAL The y-axis must be perpendicular to the longitudinal axis of the aircraft. Vertical axis Permissible deviation from perpendicular: ±10° Fig. 7 10-10-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 12 January 01/2012...
  • Page 43 Wiring harness Page 17 Fitting the Faston connector to the Human Interface Page 18 Connector Switch requirements Page 21 Wiring diagram Page 23 Internal power consumers Page 27 Effectivity: 912 i Series 24-00-00 Edition 1/Rev. 0 Page 1 January 01/2012...
  • Page 44 BRP-Powertrain INSTALLATION MANUAL NOTES 24-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 2 January 01/2012...

  • Page 45: Requirements For The Circuit Wiring

    Do not bend, kink, pinch or otherwise improperly stress NOTICE WARNUNG the wiring harness. Use proper routing, clamping and strain relief on wiring harnesses. Effectivity: 912 i Series 24-00-00 Edition 1/Rev. 0 Page 3 January 01/2012...

  • Page 46: Electromagnetic Compatibility (Emc/Emi)

    - Radio frequency (RF) sensitivity (conducted) - Radio frequency (RF) sensitivity (radiated) - Audio frequency sensitivity - Lightning strike sensitivity - Conducted radio frequency (RF) interference - Radiated radio frequency (RF) interference 24-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 4 January 01/2012...

  • Page 47: Battery

    3 places. - Battery voltage (separate voltmeter) - Voltage on electric starter (separate voltmeter) - Engine bus voltage (displayed in BUDS Diagnose Tool or on display). Effectivity: 912 i Series 24-00-00 Edition 1/Rev. 0 Page 5 January 01/2012...

  • Page 48: Grounding Cables (Ems Ground Point/Engine/Ground Point)

    For checking purposes, use a multimeter to carry out a continuity test Checks between rectifier regulator A and rectifier regulator B in the static condi- tion. NOTE: A continuity must not be present. See Fig. 1. FUSE BOX Graphic 24-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 6 January 01/2012...

  • Page 49: Controller Boards On The Fuse Box

    3 attachment points of the EMS ground. FUSE BOX Graphic Part Function EMS ground attachment points Fig. 2 09544 Effectivity: 912 i Series 24-00-00 Edition 1/Rev. 0 Page 7 January 01/2012...

  • Page 50: Fuse Box Connections

    Rectifier regulator alternator A Rectifier regulator alternator B Plug connection LANE A Plug connection LANE B X3 plug connection EMS ground LANE A Aircraft ground LANE B Fig. 3 06386,06387,066388 24-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 8 January 01/2012...

  • Page 51: Technical Data And Connection Of The Electric Components

            Engine Speed [rpm] Fig. 4 06591 NOTE: The measurement is taken at an oil temperature of 135 °C (275 °F). Effectivity: 912 i Series 24-00-00 Edition 1/Rev. 0 Page 9 January 01/2012...
  • Page 52 DEUTSCH connector: - black for alternator A/regulator A - grey for alternator B/regulator B Connections Graphic Part Function Stator DEUTSCH connector FUSE BOX with rectifier regulator Fig. 5 24-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 10 January 01/2012...

  • Page 53: Rectifier Regulator

    The performance specifications are given for optimal cooled components. See chap. 72-00-00 section: Weight. Weight Component temperature measurement area Graphic Part Function Rectifier regulator LANE B Component temperature measuring area Fig. 6 06385 Effectivity: 912 i Series 24-00-00 Edition 1/Rev. 0 Page 11 January 01/2012...
  • Page 54 BRP-Powertrain INSTALLATION MANUAL NOTES 24-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 12 January 01/2012...

  • Page 55: External Alternator (Optional Extra)

    46225 (tightening torque 4 Nm (35 in.lb)). Via engine block. Grounding Control wiring (3): Control wiring - via supplied standard plug (Sumitomo 6111-2568) and 6.3 x 0.8 Faston connectors (female). Effectivity: 912 i Series 24-00-00 Edition 1/Rev. 0 Page 13 January 01/2012...
  • Page 56 Wire size of the main circuit of at least 4 mm (0.006 in2). Cross section A capacitor of at least 22000 µF/25 V is necessary to flatten voltage. Capacitor 24-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 14 January 01/2012...
  • Page 57 3 times the propeller speed. Graphic 1/min. / rpm. n Propeller 1000 1500 2000 2500 rpm. propeller 2000 3000 4000 5000 6000 7000 8000 n Generator rpm. alternator Fig. 8 00547 Effectivity: 912 i Series 24-00-00 Edition 1/Rev. 0 Page 15 January 01/2012...

  • Page 58: External Alternator Engine Bus System

    BRP-Powertrain INSTALLATION MANUAL 4.3) External alternator engine bus system Graphic Fig. 9 00000 24-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 16 January 01/2012...

  • Page 59: Wiring Harness

    The sensors are fitted by BRP-Powertrain and connected to the wiring Sensors harness. The exhaust gas temperature sensors are included according to the version or already fitted on GENUINE-ROTAX exhaust systems. The ECU/FUSE BOX connectors can only be installed in the relevant ECU/FUSE BOX connector position.

  • Page 60: Fitting The Faston Connector To The Human Interface

    Connector receptacle until it is locked in place (C). Check for tight fit. Press the pin holder (white) downwards using the long nose pliers. NOTE: The pin holder must not be pressed with excessive force. 24-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 18 January 01/2012...

  • Page 61: Connector

    HIC B LANE_SEL_SW_A_1 LANE_SEL_SW_B_1 SUPP_WARN_LAMP_A SUPP_WARN_LAMP_B SIG_FUEL_PUMP_1 SIG_FUEL_PUMP_2 CAN_GND_1_LA CONN_STARTER_REL_SW CAN_LOW_1_LA CAN_HIGH_1_LA CAN_GND_1_LB LANE_SEL_SW_A_2 CAN_LOW_1_LB WARN_LAMP_A CAN_HIGH_1_LB GND_FUEL_PUMP_1 LANE_SEL_SW_B_2 CAN_GND_2_LA WARN_LAMP_B CAN_LOW_2_LA GND_FUEL_PUMP_2 CAN_HIGH_2_LA SUPP_START_SWITCH CAN_GND_2_LB CAN_LOW_2_LB CAN_HIGH_2_LB Effectivity: 912 i Series 24-00-00 Edition 1/Rev. 0 Page 19 January 01/2012...
  • Page 62 BRP-Powertrain INSTALLATION MANUAL Human Interface Connector (HIC) Graphic Part Function HIC A-pin 1 to 12 HIC B-pin 1 to 16 Fig. 12 24-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 20 January 01/2012...

  • Page 63: Switch Requirements

    Connector type Toggle HIC A Min. switching voltage 250 VAC/30 VDC Min. switching current 10 A How many poles? 1-pole Designation on wiring harness SIG_FUEL_PUMP_1 GND_FUEL_PUMP_1 Main Switch Effectivity: 912 i Series 24-00-00 Edition 1/Rev. 0 Page 21 January 01/2012...
  • Page 64 Fig. 15 (green, optionally). START SWITCH Requirement Connector/slot Connector type Push button HIC B Min. switching voltage 250 VAC/30 VDC Min. switching current 50 A How many poles? 2-pole 24-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 22 January 01/2012...

  • Page 65: Wiring Diagram

    Items/components which are not included in the stan- NOTICE WARNUNG dard engine scope of delivery must be certified the air- craft or fuselage manufacturer in accordance with the latest regulations, such as FAR or EASA. Effectivity: 912 i Series 24-00-00 Edition 1/Rev. 0 Page 23 January 01/2012...
  • Page 66 BRP-Powertrain INSTALLATION MANUAL Graphic EMS diagram Fig. 13 08587 24-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 24 January 01/2012...
  • Page 67 BRP-Powertrain INSTALLATION MANUAL Graphic Wiring powerside Fig. 14 08588 Effectivity: 912 i Series 24-00-00 Edition 1/Rev. 0 Page 25 January 01/2012...
  • Page 68 BRP-Powertrain INSTALLATION MANUAL Graphic Wiring HIC connector and warning lamps Fig. 15 08589 24-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 26 January 01/2012...

  • Page 69: Internal Power Consumers

    FUSE BOX Total NOTE: A complete analysis of the current consumption of all the fitted consumers is to be carried out by the aircraft or air- frame manufacturer. Effectivity: 912 i Series 24-00-00 Edition 1/Rev. 0 Page 27 January 01/2012...
  • Page 70 BRP-Powertrain INSTALLATION MANUAL NOTES 24-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 28 January 01/2012...
  • Page 71 Subject Page Propeller drive Page 3 Technical data Page 3 Operating limits Page 4 Hydraulic governor for constant speed propeller Page 5 Technical data for connections Page 5 Effectivity: 912 i Series 61-00-00 Edition 1/Rev. 0 Page 1 January 01/2012...
  • Page 72 BRP-Powertrain INSTALLATION MANUAL NOTES 61-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 2 January 01/2012...

  • Page 73: Propeller Drive

    If no limits are available in the technical literature, a max. of 1.0 IPS (inches per second) at 5000 r.p.m. can be as- sumed. Effectivity: 912 i Series 61-00-00 Edition 1/Rev. 0 Page 3 January 01/2012...

  • Page 74: Operating Limits

    - Max. extension of the propeller shaft: 120 mm (4.72 in.) Extension of propeller shaft Dynamic balancing of the propeller as specified by the propeller manufac- Out of balance turer must be carried out. 61-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 4 January 01/2012...

  • Page 75: Hydraulic Governor For Constant Speed Propeller

    Point of support x-axis mm y-axis mm z-axis mm -206.3 mm (-8.12 in.) 0 51.5 mm (2.03 in.) Crankcase flange Graphic Part Function Connection for propeller governor Governor flange Fig. 3 Effectivity: 912 i Series 61-00-00 Edition 1/Rev. 0 Page 5 January 01/2012...
  • Page 76 Thread length Max. 14 mm (0.55 in.) Governor drive Internal spline 20/40 SMS 1834 NA 14x1.27x30x12 Power consumption Max. 600 W Operating pressure Max. 30 bar (435 psi) 61-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 6 January 01/2012...
  • Page 77 Page 8 Centre of gravity of engine and standard ac- Page 8 cessories Moments of inertia Page 8 Operating limits Page 9 Deviation from the apparent perpendicular Page 9 Effectivity: 912 i Series 72-00-00 Edition 1/Rev. 0 Page 1 January 01/2012...
  • Page 78 BRP-Powertrain INSTALLATION MANUAL Engine Overview Part Function Engine Type 912 i Series Fig. 1 72-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 2 January 01/2012...

  • Page 79: Engine Components, Engine Views, Cylinder Designa

    Cyl. 2 Cylinder 2 Cyl. 4 Cylinder 4 Side view Part Function Engine number Propeller flange Propeller gearbox Connection for return line (tractor) Connection for return line (pusher) Fig. 2 Effectivity: 912 i Series 72-00-00 Edition 1/Rev. 0 Page 3 January 01/2012...

  • Page 80: Front View

    BRP-Powertrain INSTALLATION MANUAL Front view Part Function Oil filter Oil pump Exhaust flange Muffler assy. Fuel hose assy. Crankshaft locking screw position Fig. 3 08780 72-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 4 January 01/2012...

  • Page 81: Top View, Rear View

    BRP-Powertrain INSTALLATION MANUAL Top view, rear view Cyl. 4 Cyl. 3 Cyl. 2 Cyl. 1 Effectivity: 912 i Series 72-00-00 Edition 1/Rev. 0 Page 5 January 01/2012...
  • Page 82 Throttle valve support assy. Airbox Suspension points Dual ignition coils Expansion tank assy. Ignition housing Electric starter Water pump housing Fuel rail (right, left) Engine suspension frame Fig. 4 72-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 6 January 01/2012...

  • Page 83: Technical Data

    Air filter 0.15 kg (0.33 lb) Oil cooler 0.6 kg (1.32 lb) * Can be installed original to the engine at the factory (also available as a spare part). Effectivity: 912 i Series 72-00-00 Edition 1/Rev. 0 Page 7 January 01/2012...

  • Page 84: Installation Dimensions

    Moment of inertia around 24560 (1776.43 lbft) 25450 (1776.43 lbft) axis y1-y1 (kg cm Moment of inertia around 26520 (1840.8 lbft) 27480 (1987.63 lbft) axis z1-z1 (kg cm 72-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 8 January 01/2012...
  • Page 85 The resulting bank angle  (depending on acceleration/deceleration) may Bank angle never exceed the max. bank angle. Pitch or role angle  is not equal with , except stabilized NOTE: condition (without acceleration). Effectivity: 912 i Series 72-00-00 Edition 1/Rev. 0 Page 9 January 01/2012...
  • Page 86 BRP-Powertrain INSTALLATION MANUAL Bank angle Graphic  Bank or rotation Gravity  Bank angle Acceleration Result of F1 and F2 Fig. 5 72-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 10 January 01/2012...
  • Page 87 Fuel lines Page 5 Coarse filter Page 5 Water trap Page 5 GENUINE- ROTAX fuel pump assy. (optional) Page 5 General requirements placed on the fuel pump Page 6 Connections for Bowden cable actuation and permissible load Page 7 Technical data...
  • Page 88 BRP-Powertrain INSTALLATION MANUAL Fuel system Overview Part Function Fuel tank Fuel pump 1 Fuel pump 2 Fine filter/water trap Fuel pressure regulator Fig. 1 06293 73-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 2 January 01/2012...

  • Page 89: Operating Limits

    2.9 - 3.1 bar (42.06 - 44.96 psi) YELLOW 3.1 - 3.2 bar (44.96 - 46.41 psi) > 3.2 bar (46.41 psi) 1.3.2) Technical data The technical data of the fuel pumps provided by ROTAX is shown Graphic below. See Fig. 2. NOTE: The fuel pump is an optional extra and is not supplied with the engine.
  • Page 90 Check valves: a) opening pressure max. 70 mbar (1.02 psi) b) resistance max. 70 mbar at 75 l/h (19.8 gal/h) c) pressure safe up to 20 bar (290 psi) 73-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 4 January 01/2012...

  • Page 91: Genuine-Rotax Fuel Pump Assy. (Optional)

    1.7) GENUINE-ROTAX fuel pump assy. (optional) The electrical fuel pump must be attached near the tank, taking advan- tage of a "cool" installation position in order to ensure a safe fuel supply, especially with regard to the risk of vapour locks.

  • Page 92: General Requirements Placed On The Fuel Pump

    The pressure in the return line must not exceed the value stipulated in section 1.4. Requirement regarding delivery Min. delivery rate 56 l/h (14.79 USgal) Min. fuel pump pressure 4.5 bar (65.26 psi) (at sea level) 73-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 6 January 01/2012...

  • Page 93: Connections For Bowden Cable Actuation And Permissible Load

    The Bowden cable must be adjusted so there is free travel of 1 mm Bowden cable (0.039 in). A throttle lever stop is to be provided in the cockpit to prevent the throttle Throttle lever stop valve from closing. Effectivity: 912 i Series 73-00-00 Edition 1/Rev. 0 Page 7 January 01/2012...
  • Page 94 Adjust Bowden cable such that throttle valve can be fully opened and closed. Use Bowden cable with mini- mized friction so that the return spring on the throttle valve can open the throttle valve completely. 73-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 8 January 01/2012...
  • Page 95 All components are installed on the aircraft engine as stan- dard. This section of the Installation Manual contains information on the aircraft Table of contents engine ignition system. Subject Page Connection to rectifier regulator Page 3 Effectivity: 912 i Series 74-00-00 Edition 1/Rev. 0 Page 1 January 01/2012...
  • Page 96 Ignition system Overview Part Function Resistance spark plug connector Dual ignition coil Ignition cable FUSE BOX assy. Electrical connection Crankshaft position sensors Stator assy. Fly wheel Fig. 1 74-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 2 January 01/2012...
  • Page 97 - Grey for alternator B LINE - rectifier regulator (B) NOTE: Alternator A supplies the engine only. Alternator B is used during engine start and thereafter for the aircraft frame. Effectivity: 912 i Series 74-00-00 Edition 1/Rev. 0 Page 3 January 01/2012...
  • Page 98 BRP-Powertrain INSTALLATION MANUAL Ignition system Graphic Part Function Internal alternator Electrical LINE A+B with connectors FUSE BOX assy. Fig. 2 06326 74-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 4 January 01/2012...
  • Page 99 Page 17 Coolant capacity Page 17 Cooling air duct Page 18 General notes on the cooling air ducts Page 19 Data for optional components of cooling system Page 20 Effectivity: 912 i Series 75-00-00 Edition 1/Rev. 0 Page 1 January 01/2012...
  • Page 100 BRP-Powertrain INSTALLATION MANUAL Cooling system Overview Part Function Expansion tank Radiator cap Coolant hose Water pump housing Temperature sensor Radiator Overflow bottle Fig. 1 75-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 2 January 01/2012...
  • Page 101 The temperature sensor is in cylinder head 4. Measuring the coolant temp. If a GENUINE-ROTAX radiator is being used, then an oil-water heat Radiator exchanger must not be present. The radiator is dimensioned to cater for the heat of the coolant and cannot cope with the additional heat generated by the oil system.
  • Page 102 BRP-Powertrain INSTALLATION MANUAL Cooling system Graphic Part Function Expansion tank Pressure cap Radiator Overflow bottle Fig. 2 09152 75-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 4 January 01/2012...
  • Page 103 - mixture ratio (percentage water rate) - the system pressure (opening pressure of radiator cap) Coolant temper- ature Coolant temperature: (coolant exit temperature) Max. 120 °C (248 °F) Effectivity: 912 i Series 75-00-00 Edition 1/Rev. 0 Page 5 January 01/2012...
  • Page 104 Marking of the coolant to be used Marking The coolant to be used and its concentration (percent- NOTICE WARNUNG age water rate) must be correctly communicated to the owner. 75-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 6 January 01/2012...
  • Page 105 Effectivity: 912 i Series 75-00-00 Edition 1/Rev. 0 Page 7 January 01/2012...
  • Page 106 To minimize flow resistance, use radiators that have both a parallel flow and have a low flow resistance. A prime example would be the GENUINE-ROTAX radia- tors. Be sure to use short hoses and pipelines. All components of the cooling system must be suitably...
  • Page 107 Also it is necessary to inform the pilots about the daily inspection of the coolant level in the aircraft manufacturers operators (pilots) manual or an adequate link to the ROTAX 912 i Series Operators Manual.
  • Page 108 BRP-Powertrain INSTALLATION MANUAL NOTES 75-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 10 January 01/2012...
  • Page 109 Connecting sizes Graphic Part Function Water pump housing Water inlet elbow Water inlet elbow: Outer diameter 27 mm (1.06 in.) Slip-on length: max. 19 mm (0.75 in.) Fig. 6 Effectivity: 912 i Series 75-00-00 Edition 1/Rev. 0 Page 11 January 01/2012...
  • Page 110 (2) in the main operating systems must be installed on the highest point of the cooling circuit. NOTE: The expansion tank (1) is fitted on top of the engine. 75-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 12 January 01/2012...
  • Page 111 250 mm (10 in.). NOTE: For proper operation ensure that the hose to the overflow bottle is as short and thin as possible. Effectivity: 912 i Series 75-00-00 Edition 1/Rev. 0 Page 13 January 01/2012...
  • Page 112 The overflow bottle and its supply and discharge must NOTICE WARNUNG not be installed close to the exhaust system, as emerg- ing coolant can be flammable under certain conditions. 75-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 14 January 01/2012...
  • Page 113 BRP-Powertrain INSTALLATION MANUAL 3.2) ROTAX overflow bottle (optional extra) If the optional ROTAX overflow bottle is used, the purging system must be General note arranged as shown below. NOTE: To vent coolant steam from the overflow bottle in case of...
  • Page 114 Hose nipple Graphic LOCTITE 603 6 mm (0.236 in.) 11,5mm (0.453 in) Part Function M6 hex. nut Plug screw Hose nipple Gear-type hose clip Hose Fig. 8 05033.09126 75-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 16 January 01/2012...
  • Page 115 5800 rpm. At full throttle, an approximate value of around 0.75 m (28.59 cu.ft/sec) can be assumed for the required cooling air flow. The flow resistance of the coolant in the optional ROTAX radiator is cor- Flow resistance rectly adjusted for the cooling system.
  • Page 116 NOTE: Cooling air ducts are not required if the oil and coolant tem- peratures are within the prescribed operating limits. Cooling air duct Graphic Fig. 9 75-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 18 January 01/2012...
  • Page 117 The stated maximum permissible loads (per screw) NOTICE WARNUNG are valid only if using the minimum specified thread length, and must never be exceeded. Thread height 18 mm (0.71 in.)). Effectivity: 912 i Series 75-00-00 Edition 1/Rev. 0 Page 19 January 01/2012...
  • Page 118 (Nm) in x, y and z axis Min. length of thread (mm) 15 mm (0.59 in.) 4.3) Data for optional components of cooling system Fig. 10 Fig. 12. Overflow bottle Fig. 10 09148 75-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 20 January 01/2012...
  • Page 119 BRP-Powertrain INSTALLATION MANUAL Weight: see chap. 72-00-00 section: 2.1) Radiator Fig. 11 Weight: see chap. 72-00-00 section: 2.1) Cooling air duct Fig. 12 09165 Effectivity: 912 i Series 75-00-00 Edition 1/Rev. 0 Page 21 January 01/2012...
  • Page 120 BRP-Powertrain INSTALLATION MANUAL NOTES 75-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 22 January 01/2012...
  • Page 121 Page 6 Installation position of the FUSE BOX assy. Page 7 Maintenance tool Page 9 Maintenance tool pin assignment Page 9 Display Page 11 Display pin assignment Page 11 Effectivity: 912 i Series 76-00-00 Edition 1/Rev. 0 Page 1 January 01/2012...
  • Page 122 Control unit assy. (ECU) FUSE BOX assy. Rectifier regulator A (black connector) Rectifier regulator B (grey connector) LANE A / LANE B plug connection X3 plug connection Fig. 1 08725 76-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 2 January 01/2012...

  • Page 123: Ecu

    Connections and dimensional deviations Graphic 46.5mm (1.83in.) 233.1mm (9.18in.) 145.7mm (5.74in.) Part Function A1 plug connection A2 plug connection B plug connection Rubber damping/insulation material Fig. 2 06328 Effectivity: 912 i Series 76-00-00 Edition 1/Rev. 0 Page 3 January 01/2012...

  • Page 124: Connector

    The ECU must be housed in the cockpit. It must not be installed in the Installation posi- tion engine compartment. Never install the control unit with the connectors point- NOTICE WARNUNG ing upwards! Permissible ambient temperature: Temperature Max. +80 °C (176 °F) 76-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 4 January 01/2012...

  • Page 125: Fuse Box Assy

    Technical data Fig. 3. Graphic Connections and dimensional deviations 271.8mm (10.70in.) Regulator A Regulator B 167mm (6.57in.) ø5.5mm (0.22in.) 170mm (6.69in.) Part Function X3 plug connection Fig. 3 06330 Effectivity: 912 i Series 76-00-00 Edition 1/Rev. 0 Page 5 January 01/2012...

  • Page 126: Connections

    (7). Strip insulation from line. Install socket contact (2) using suitable crimping pliers. Push the socket contact into the appropriate position in the AMP connector until it engages. 76-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 6 January 01/2012...

  • Page 127: Installation Position Of The Fuse Box Assy

    The sensor should measure the correct air inlet temperature and the air pressure right before the air filter. Effectivity: 912 i Series 76-00-00 Edition 1/Rev. 0...
  • Page 128 BRP-Powertrain INSTALLATION MANUAL NOTES 76-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 8 January 01/2012...

  • Page 129: Maintenance Tool

    If the ECU is connected with the Maintenance Sub-D connector, the Impedance impedance between CAN_H (pin 7) and CAN_L (pin. 2) will be ~60 Ohm. Effectivity: 912 i Series 76-00-00 Edition 1/Rev. 0 Page 9...
  • Page 130 Pin assignment for Human Interface Connector (HIC A/B) Graphic Pin no. HIC A Pin no. HIC B CAN_GND_2_LA CAN_GND_2_LB CAN_LOW_2_LA 15 CAN_LOW_2_LB CAN_HIGH_2_LA 16 CAN_HIGH_2_LB Fig. 7 06325 76-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 10 January 01/2012...

  • Page 131: Display

    Aerospace interface; they must also be able to use this data. For instruments and the data for the CAN Aerospace protocol, contact an authorised sales and service partner for ROTAX aircraft engines. 4.1) Display pin assignment Display pin assignment for Human Interface Connector (HIC A/B)
  • Page 132 BRP-Powertrain INSTALLATION MANUAL Wiring HIC-Maintenance und Display Graphic Fig. 8 08590 76-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 12 January 01/2012...
  • Page 133 Exhaust system requirements Page 5 Technical data Page 5 Attaching the exhaust system Page 7 Operating limits Page 9 Data for optional components of exhaust system Page 10 Effectivity: 912 i Series 78-00-00 Edition 1/Rev. 0 Page 1 January 01/2012...
  • Page 134 BRP-Powertrain INSTALLATION MANUAL Exhaust system Overview Part Function Muffler Tension spring Exhaust pipe EGT temperature sensor Fig. 1 78-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 2 January 01/2012...

  • Page 135: General Notes On The Exhaust System

    If a heat shield is fitted, this will also have to be taken into consideration. The exhaust system must not adversely affect the op- NOTICE WARNUNG eration of the oil filter. Effectivity: 912 i Series 78-00-00 Edition 1/Rev. 0 Page 3 January 01/2012...
  • Page 136 BRP-Powertrain INSTALLATION MANUAL Graphic Part Function Oil filter Exhaust manifold Fig. 2 78-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 4 January 01/2012...

  • Page 137: Exhaust System Requirements

    - Back pressure at maximum power: max. 0.2 bar (2.9 psi) measured in each case approx. 100 mm (3.94 in.) beyond the end of the exhaust flange) 2.2) If a GENUINE-ROTAX exhaust is not used The four prefitted exhaust sockets with exhaust flange and lock nuts must General note be used.
  • Page 138 BRP-Powertrain INSTALLATION MANUAL NOTES 78-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 6 January 01/2012...

  • Page 139: Attaching The Exhaust System

    - Ensure that there is enough space (X) between the screw socket and the inside of the catalytic converter insert to the tip of the tightened sensor. - The tip of the sensor must not touch anything. Effectivity: 912 i Series 78-00-00 Edition 1/Rev. 0 Page 7...
  • Page 140 BRP-Powertrain INSTALLATION MANUAL NOTES 78-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 8 January 01/2012...

  • Page 141: Operating Limits

    WARNUNG (59 °F)) conditions and are only achieved if the en- gine is equipped with an unmodified GENUINE- ROTAX exhaust system and airbox. Location and po- If the EGT sensor is fitted on a slope or with the sen- NOTICE...

  • Page 142: Data For Optional Components Of Exhaust System

    BRP-Powertrain INSTALLATION MANUAL See the current 912 i Series Operators Manual. Values 4.1) Data for optional components of exhaust system See chap. 72-00-00 section: 2.1). Weight Exhaust elbow Graphic Material/strength: X 15 CrNiSi20-12 (DIN 1.4828) (stainless steel) a = 1.5 mm (0.06 in.) Fig.
  • Page 143 Material/strength: X 5CrNi 189 (DIN 1.4301) (stainless steel) a = 1 mm (0.04 in.) Fig. 7 09153 Ball joint (male) Graphic Material/strength: X 15CrNiSi 20, 12 (DIN 1.4301) (stainless steel) a = 1 mm (0.04 in.) Fig. 8 09166 Effectivity: 912 i Series 78-00-00 Edition 1/Rev. 0 Page 11 January 01/2012...
  • Page 144 BRP-Powertrain INSTALLATION MANUAL Exhaust pipe Graphic Material/strength: X 15CrNiSi 20, 12 (DIN 1.4301) (stainless steel) a = 1 mm (0.04 in.) Fig. 9 09167 78-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 12 January 01/2012...
  • Page 145 INSTALLATION MANUAL Chapter: 79-00-00 LUBRICATION SYSTEM The ROTAX 912 i Series is fitted with a dry sump forced lubrication sys- General note tem with an oil pump and integrated pressure regulator. This section of the Installation Manual describes the system, operating Table of contents limits and requirements for the lubrication system.

  • Page 146: Lubrication System (Oil System)

    The suction line can also be connected to the bottom of the oil pump housing. In this case, the plug screw and gasket ring are to be replaced by the screw socket and gasket ring. See the current 912 i Series Heavy Maintenance Manual. 79-00-00 Effectivity: 912 i Series Edition 1/Rev.

  • Page 147: System Description

    Oil tank to purging line NOTE: An oil tank is included with the standard engine version. No provision has been made for attachment of an oil cool- er on the engine. Effectivity: 912 i Series 79-00-00 Edition 1/Rev. 0 Page 3 January 01/2012...

  • Page 148: Operating Limits

    Operating limits Manual Oil pressure See OM 912 i Series, section 2.1 Oil temperature See OM 912 i Series, section 2.1 Non-compliance can result in serious injuries or death! WARNUNG...

  • Page 149: Checking The Oil Circuit

    (2) or the crankshaft locking screw (3). The magnetic plug (2) or the crankshaft locking screw (3) is removed and the pressure sensor (1) is fitted. Effectivity: 912 i Series 79-00-00 Edition 1/Rev. 0 Page 5...
  • Page 150 If crankcase pressure and measuring pressure of the vacuum readings and all operational data (flight attitude, temperatures, etc.) are within the specified limits, then it can be assumed that the oil circuit is working cor- rectly. 79-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 6 January 01/2012...

  • Page 151: Measuring Of The Vacuum

    If the oil is cold, the flow resistance increases, which means that not enough oil will flow on the suc- tion side. Effectivity: 912 i Series 79-00-00 Edition 1/Rev. 0 Page 7...
  • Page 152 BRP-Powertrain INSTALLATION MANUAL Measuring of the vacuum Graphic Part Function Suction oil line Oil pump Pressure gauge Fig. 4 79-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 8 January 01/2012...

  • Page 153: Oil And Purging Line Requirements

    - The purging line must be protected from any kind of ice formation from condensation, e.g. insulation protection or routing in a hose with hot air flow and furnishing the vent line with a bypass opening (1) before the cowling outlet (2). Effectivity: 912 i Series 79-00-00 Edition 1/Rev. 0 Page 9...
  • Page 154 BRP-Powertrain INSTALLATION MANUAL Purging line. Graphic Part Function Bypass opening Outlet through the cowling Fig. 5 04874 79-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 10 January 01/2012...

  • Page 155: Connecting Sizes And Position Of Connections

    Screw socket (1) 3/4-16 UNF/M16x1.5 Tightening torque of inlet line 25 Nm (18.44 ft.lb.) Oil pump inlet Graphic Part Function 3/4-16 UNF/M16x1.5 screw socket Alternative connection Fig. 6 Effectivity: 912 i Series 79-00-00 Edition 1/Rev. 0 Page 11 January 01/2012...
  • Page 156 Screw socket (oil feed line) from oil tank or oil cooler Screw socket (oil return line) for pusher arrangement 4 or 5 Screw socket (oil return line) for tractor arrangement Fig. 7 79-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 12 January 01/2012...

  • Page 157: Oil Tank

    Check what type of thread or connection there is on NOTICE WARNUNG the supplied oil tank. Connections for oil circuit (engine) Graphic Part Function Oil feed line Oil outlet Purging nipple Fig. 8 Effectivity: 912 i Series 79-00-00 Edition 1/Rev. 0 Page 13 January 01/2012...
  • Page 158 956610 Nipple optional Nipple with cap nut / straight Outer dia. 12 mm (0.47 in.) Slip-on length max. 24 mm (0.94 in.) Tightening torque 25 Nm (18.44 ft.lb.) 79-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 14 January 01/2012...
  • Page 159 Oil tank cover assy. (metric M18x1.5) Fig. 9 If the lines are connected incorrectly, the engine will NOTICE WARNUNG not be lubricated and the engine will be damaged very quickly! Effectivity: 912 i Series 79-00-00 Edition 1/Rev. 0 Page 15 January 01/2012...

  • Page 160: Permissible Position And Location Of The Oil Tank

    - Install the oil tank free of vibrations and not directly on the engine. - Bayonet cap (3) and oil drain screw (4) must be easily accessible. 79-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 16 January 01/2012...
  • Page 161 BRP-Powertrain INSTALLATION MANUAL Position and location of the oil tank Graphic Part Function Oil tank Oil level Bayonet cap Oil drain screw, hex. screw Fig. 10 Effectivity: 912 i Series 79-00-00 Edition 1/Rev. 0 Page 17 January 01/2012...
  • Page 162 BRP-Powertrain INSTALLATION MANUAL NOTES 79-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 18 January 01/2012...

  • Page 163: General Notes On The Oil Cooler

    - The oil cooler should always be installed below the engine oil pump. The oil cooler must be installed with the radiator caps NOTICE WARNUNG pointing upwards i.e. in positive direction on the z-axis. Effectivity: 912 i Series 79-00-00 Edition 1/Rev. 0 Page 19 January 01/2012...

  • Page 164: Capacity

    Up to the MIN. mark 2.5 l (0.66 USgal) Up to the MAX. mark 3.0 l (0.79 USgal) - Perform oil level check and add oil if necessary. 79-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 20 January 01/2012...

  • Page 165: Purging The Lubrication System

    Non-compliance can result in serious injuries or death! WARNUNG WARNING Do not remove the oil tank bayonet cap before ensur- ing that air pressure has been completely released from the tank. Effectivity: 912 i Series 79-00-00 Edition 1/Rev. 0 Page 21 January 01/2012...
  • Page 166 Fill the oil in the tank up to the full mark on the dipstick. Carefully check all lubrication system connections, NOTICE WARNUNG lines and clamps for leaks and tightness. ENVIRONMENT NOTE Protect their environment. Observe to bury no oil! 79-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 22 January 01/2012...
  • Page 167 Direction of rotation of engine Relevant Plug Part Function Suction line Oil return line Free end Tank Plug Breather connection To oil pump Return from engine Fig. 11 02233 Effectivity: 912 i Series 79-00-00 Edition 1/Rev. 0 Page 23 January 01/2012...

  • Page 168: Checking The Hydraulic Valve Tappet For Correct

    5 min. at 3500 rpm, after refitting the valve co- vers, is required. In order to vent the hydraulic valve tappet, this process can be repeated another 2 times. Repeat on all other cylinders. 79-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 24 January 01/2012...

  • Page 169: Replacement Of Components

    General note must be replaced and the valve spring support must be inspected for wear. All work must be performed in accordance with the relevant Maintenance Work procedures Manual. Effectivity: 912 i Series 79-00-00 Edition 1/Rev. 0 Page 25 January 01/2012...
  • Page 170 BRP-Powertrain INSTALLATION MANUAL NOTES 79-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 26 January 01/2012...

  • Page 171: Data For Optional Components Of Lubrication System

    Thread M18x1.5 Tightening torque 22 Nm (16.23 ft.lb.) and LOCTITE 648 Tightening torque of oil feed line 25 Nm (18.44 ft.lb.) and outlet, bent socket or hose nipple Effectivity: 912 i Series 79-00-00 Edition 1/Rev. 0 Page 27 January 01/2012...
  • Page 172 Hose nipple with cap nut (straight nipple) Hose nipple with cap nut Outer dia. 12 mm (0.47 in.) Slip-on length max. 24 mm (0.94 in.) Tightening torque 25 Nm (18.44 ft.lb.) 79-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 28 January 01/2012...
  • Page 173 BRP-Powertrain INSTALLATION MANUAL Connection variants Effectivity: 912 i Series 79-00-00 Edition 1/Rev. 0 Page 29 January 01/2012...
  • Page 174 M22x1.5 hex. nut Gasket ring 14.2/18/2 Nipple 13.2/9.5 M18x1.5/M14x1.5 screw socket Bent socket assy. M14x1.5 angular tube Hose nipple with cap nut 3/4-16 UNF/M14x1.5 screw socket Fig. 13 08900 79-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 30 January 01/2012...
  • Page 175 Table of contents aircraft engine. Subject Page Electric starter Page 3 Power supply wires from starter relay to the electric Page 3 starter Starter relay assy. technical data Page 4 Effectivity: 912 i Series 80-00-00 Edition 1/Rev. 0 Page 1 January 01/2012...
  • Page 176 BRP-Powertrain INSTALLATION MANUAL Electric starter Overview Part Function Electric starter Starter relay assy. Ground Fig. 1 80-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 2 January 01/2012...
  • Page 177 DIN 46225 (MIL-T7928; PIDG or equivalent). Connection Graphic Part Function Electric starter Plus terminal Fig. 2 Grounding cable via engine block. Grounding cable Effectivity: 912 i Series 80-00-00 Edition 1/Rev. 0 Page 3 January 01/2012...
  • Page 178 DIN 46247 (MIL-T-7928; (PIDG) or equivalent). Grounding The starter relay must be isolated from the aircraft NOTICE WARNUNG ground. See chap. 24-00-00 section: FUSE BOX con- nections. 80-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 4 January 01/2012...
  • Page 179 BRP-Powertrain INSTALLATION MANUAL Starter relay Graphic Part Function Main current connections Control wiring Ground Fig. 3 Effectivity: 912 i Series 80-00-00 Edition 1/Rev. 0 Page 5 January 01/2012...
  • Page 180 BRP-Powertrain INSTALLATION MANUAL NOTES 80-00-00 Effectivity: 912 i Series Edition 1/Rev. 0 Page 6 January 01/2012...
  • Page 182 AIRCRAFT ENGINES...

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