ULPOWER UL350 Operating Manual

ULPOWER UL350 Operating Manual

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UL260
UL350
UL390
UL520
Operating
Manual
M0310: OM 260 - 520A01 Revision No: 00
Date: 2019-04-01

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Summary of Contents for ULPOWER UL350

  • Page 1 UL260 UL350 UL390 UL520 Operating Manual M0310: OM 260 - 520A01 Revision No: 00 Date: 2019-04-01...
  • Page 3: Preface

    Before starting the engine, carefully read this manual. The Manual will provide you with basic information on the safe operation of the engine. If you are unsure about the procedures mentioned in this manual, please contact a ULPower authorised service point.
  • Page 4: Safety Information

    , with possible loss of life, injury or damage to the equipment. Limit yourself to to the operations/ maintenance mentioned in ULPower manuals. If you are uncertain and in need of extra information please contact a ULPower authorized service centre.
  • Page 5 Operating Manual ULPOWER UL260,UL350,UL390,UL520  In the interest of safety, the aircraft must not be left unattended while the engine is running.  Keep an engine log and respect engine and aircraft maintenance schedules. Keep the engine in top operating condition at all times. Do not operate any aircraft which is not properly maintained or has engine operating irregularities which have not been corrected.
  • Page 6: Table Of Contents

    Repeating symbols ....................1 Safety information ....................2 Table of contents .....................4 Engine description and engine views ................6 Denomination of cylinders ..................7 UL260 / UL350 ....................... 7 UL390/ UL520 ......................7 Description of systems ....................8 Lubricant system ....................8 Fuel system ......................8 Electronic Engine Management system ................
  • Page 7 Operating Manual ULPOWER UL260,UL350,UL390,UL520 Engine shut-down ....................18 Engine storage ..................... 18 Abnormal operation ....................19 Abnormal running on ignition check ................19 Sudden engine stop ....................19 Reaching maximum engine speed ................19 Exceeding of max. admissible cylinder head temperature ..........20 Exceeding of max.
  • Page 8: Engine Description And Engine Views

    Operating Manual ULPOWER UL260,UL350,UL390,UL520 Engine description and engine views Please check our installation manual for a detailed engine description / engine view M0310: OM 260 - 520A01 Revision No: 00 Date: 2019-04-01 Page: 6 of 22...
  • Page 9: Denomination Of Cylinders

    Operating Manual ULPOWER UL260,UL350,UL390,UL520 Denomination of cylinders UL260 / UL350 UL390/ UL520 M0310: OM 260 - 520A01 Revision No: 00 Date: 2019-04-01 Page: 7 of 22...
  • Page 10: Description Of Systems

    The UL 260 / UL350 engine and fuel pump use maximum 15 Amps (12V DC) to operate The UL 390 / UL520 engine and fuel pump use maximum 21 Amps (12V DC) to operate...
  • Page 11: Check Light

    Operating Manual ULPOWER UL260,UL350,UL390,UL520 Check light The ECU contains a table of data, referred to as a ‘3-dimensional fuel map’. The map itself contains the mixture and timing control for operations up to 18.000 ft, based on data received from five different senders 1.CPS -Crank Shaft Position Sensor/RPM ,...
  • Page 12: General Operating Limits

    Operating Manual ULPOWER UL260,UL350,UL390,UL520 General operating limits Speed Max. engine speed ...... 3300 rpm Recommended prop speed .... 2200 - 2800 rpm Normal idle speed ....... 850 rpm Min. idle speed ......700 rpm Requirements about RPM Settings Min static RPM at WOT: ....2550 rpm Min take OFF speed at WOT: ..
  • Page 13: Acceleration

    Normal ........2–5 bar (30–75 psi) — above 2000 rpm Min......... 1 bar (14,5 psi) — below 2000 rpm/above 900 rpm Oil level UL260 / UL350 I / iF /iS / Ihps: Max....3,5 litres (3,7 quarts) Min....2,5 litres (2,6 quarts) iSA: Max.
  • Page 14: Manifold Air Temperature

    Operating Manual ULPOWER UL260,UL350,UL390,UL520 Manifold air temperature We advise to bring fresh air from outside the cowling to the inlet air filter/manifold Max. at start ......60°C (150F) Max. in flight ......40°C ( 104F) Outside air temperature Max. at start/ take off ....50°C (122°C) Max.
  • Page 15: Maintenance

    Operating Manual ULPOWER UL260,UL350,UL390,UL520 Maintenance Maintenance should be performed at regular intervals to keep the engine in top operating condition. Please refer to the last published Maintenance Manual of the engine for maintenance schedule. M0310: OM 260 - 520A01 Revision No: 00...
  • Page 16: Engine Performance

    Operating Manual ULPOWER UL260,UL350,UL390,UL520 Engine performance for all ULPower charts we refer to the website www.ulpower.com M0310: OM 260 - 520A01 Revision No: 00 Date: 2019-04-01 Page: 14 of 22...
  • Page 17: Operating Media

    Note : For Aerobatic engines : Add a bottle Teflon oil additive (part number : L0100120). This a an additive that was developed by ULPower and is not available on the general market. DON’T ADD THIS DURING THE FIRST 15 HOURS. Only to be added after the first oil change ...
  • Page 18: Standard Operation

    Operating Manual ULPOWER UL260,UL350,UL390,UL520 Standard operation Daily/Pre-flight checks  WARNING: Conduct checks on cold engines only to avoid risk of burns and scalds! Turn the propeller by hand in the direction of engine rotation several times and observe engine for odd noises or excessive resistance and normal compression.
  • Page 19: Prior To Take-Off

    Operating Manual ULPOWER UL260,UL350,UL390,UL520 Prior to take-off Warming up period: Start warming up period with engine running between 1200 and 1500 rpm, duration depending on ambient temperature, until:  oil temperature reaches at least 50°C (122°F)  cylinder head temperatures are at least 50°C (125°F) ...
  • Page 20: Engine Shut-Down

    Operating Manual ULPOWER UL260,UL350,UL390,UL520 Engine shut-down Shut down the engine by switching off power to ECU before cutting off fuel/ignition. Under normal circumstances, the descent and taxiing will have cooled down the engine sufficiently to shut it down (by switching of the ignition) immediately after the aircraft has stopped.
  • Page 21: Abnormal Operation

    (as stated before) carefully to pinpoint the problem. Check fuel for possible contamination. Rectify the problem if possible or send the engine for inspection/overhaul to a ULPower authorised service- centre.
  • Page 22: Exceeding Of Max. Admissible Cylinder Head Temperature

    On the ground, verify that oil level is sufficient and air is free to flow through oil cooler. If problem remains, the engine should be sent for inspection/overhaul to a ULPower authorised service-centre. Oil pressure below minimum ...
  • Page 23: Relative Fuel Pressure Deviates From Normal

    Carry emergency/precautionary landing. If it is not a sensor malfunction, send the engine to a ULPower authorised service-centre for inspection/overhaul. Knocking Reduce engine power setting to the minimum needed and keep engine temperatures well below the maximum.
  • Page 24: Prop Strike

    NDT or other inspection procedures. In the event of a propeller strike/sudden stoppage, please contact your local ULPower dealer who will guide you through the required formalities before shipping the engine back to factory or to an officially approved ULPower Service Center.
  • Page 25: Revision

    Operating Manual ULPOWER UL260,UL350,UL390,UL520 Revision Revision 1 (0000- 00 - 00) M0310: OM 260 - 520A01 Revision No: 00 Date: 2019-04-01 Page: 23 of 22...

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