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UL

260

UL

350

UL

390

UL

520

Operating

Manual

M0310: OM 260 - 520A01 Revision No: 00

Date: 2019-04-01

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Summary of Contents for UL350

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

Page 2: ......

Page 3: ...ure you have the latest version available of the applicable manual Modifications The information and components system descriptions contained in this Operating Manual are correct at the time of publication ULPower however maintains a policy of continuous improvement of its products without imposing upon itself any obligation to install them on its products previously manufactured ULPower reserves ...

Page 4: ...urer assembler and owner user ULPower makes no warranty or representation on the suitability of its engine s use on any particular aircraft Furthermore ULPower makes no warranty or representation of this engine s suitability with any other part component or system which may be selected by the aircraft manufacturer assembler or user for aircraft application Never run the engine without a propeller ...

Page 5: ...Do not operate any aircraft which is not properly maintained or has engine operating irregularities which have not been corrected To eliminate possible injury or damage ensure any loose equipment or tools are properly secured before starting the engine When in storage protect the engine fuel lubrication induction and exhaust system from contamination and exposure Never operate the engine without s...

Page 6: ...Check light 9 General operating limits 10 Speed 10 Requirements about RPM Settings 10 Running in 10 Performance ISA International standard atmosphere 10 Acceleration 11 Oil pressure 11 Oil level 11 Oil temperature 11 Cylinder head temperature 11 EGT 11 ECU environment 11 Manifold air temperature 12 Outside air temperature 12 Relative fuel pressure 12 Deviation from bank angle 12 Electrical power 1...

Page 7: ...on ignition check 19 Sudden engine stop 19 Reaching maximum engine speed 19 Exceeding of max admissible cylinder head temperature 20 Exceeding of max admissible oil temperature 20 Oil pressure below minimum 20 Exceeding of max admissible oil pressure 20 Relative fuel pressure deviates from normal 21 Single CHT and or EGT drop 21 Knocking 21 Low battery voltage 21 Prop Strike 22 Revision 23 ...

Page 8: ...l ULPOWER UL260 UL350 UL390 UL520 M0310 OM 260 520A01 Revision No 00 Date 2019 04 01 Page 6 of 22 Engine description and engine views Please check our installation manual for a detailed engine description engine view ...

Page 9: ...Operating Manual ULPOWER UL260 UL350 UL390 UL520 M0310 OM 260 520A01 Revision No 00 Date 2019 04 01 Page 7 of 22 Denomination of cylinders UL260 UL350 UL390 UL520 ...

Page 10: ...fuel mixture and ignition timing multiple times per second It will even fine tune the fuel flow to compensate for changes in barometric pressure as well as inlet air temperature in the inlet manifold airbox With timing corrections to avoid detonation and a built in rev limiter 3 300rpm on most engines the ECU not only ensures the most efficient power to fuel consumption at any given operating cond...

Page 11: ... sensor 5 APS Air Pressure Sensor air pressure is taken near the air filter and linked via a hose to the ECU where the sensor is housed Ambient Air Pressure and AirBox manifold temperature By knowing the ambient air pressure and temperature it is possible to calculate the air density to determine the correct amount of fuel to add for the right mixture If one of the above mentioned sensors fails or...

Page 12: ...m b Aerobatic engine No need to use special run in oil To run in a new engine Limit the power to max 80 for the first 5 hours and avoid exceeding 3000rpm Don t fly any aerobatic manoeuvres during the first 15 flying hours Follow maintenance manual and add Telflon additive ULP Partnr L0100120 every oil change starting from the first 15 hours oil change Performance ISA International standard atmosph...

Page 13: ...A Max 4 5 litres 4 7 quarts Min 3 5 litres 3 7 quarts UL390 UL520 I iF iS Ihps Max 4 5 litres 4 7 quarts Min 3 5 litres 3 7 quarts iSA Max 5 5 litres 5 8 quarts Min 4 5 litres 4 7 quarts Attention The marks on the dipstick min max are only valid in case the engine is level Installed in the plane be sure the plane is level before checking the oil level Oil temperature Max 120 C 248F Min 50 C 122F N...

Page 14: ...fuel line and the pressure in the intake manifold Max 3 8 bar 55 psi Min 2 4 bar 35 psi Normal 3 bar 43 5 psi Deviation from bank angle Value to which the wet sump lubrication system warrants lubrication in positive g flight situation Max 45 Electrical power Min 12 VDC Be sure the battery is completely loaded before take off with an output voltage min 12 VDC Attention Do NEVER use a booster quick ...

Page 15: ...260 520A01 Revision No 00 Date 2019 04 01 Page 13 of 22 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 ...

Page 16: ...Operating Manual ULPOWER UL260 UL350 UL390 UL520 M0310 OM 260 520A01 Revision No 00 Date 2019 04 01 Page 14 of 22 Engine performance for all ULPower charts we refer to the website www ulpower com ...

Page 17: ...these engines AVGAS 100 LL and or AVGAS UL91 may be used if regular fuel is not available Note Due to higher lead content in AVGAS the wear of the valve and valve seats the deposits in combustion chamber and lead sentiments in the lubrication system will increase Attention When the engine hasn t run for over 2 months replace the old fuel Lubricants We recommend the use of Motul 300V 15W50 oil or A...

Page 18: ...ty between min and max level is 0 8 litres Inspect exhaust system for damage leakage and general condition WARNING Do not fly your aircraft if you noticed abnormal things during the daily pre flight checks Always repair rectify any possible problem Engine start WARNING Do not start the engine if a person is close to the aircraft 1 Fuel tap OPEN 2 Master switch ON 3 ECU ON 3 Ignition Coils ON 4 Fue...

Page 19: ...nition test The engine is equipped with double redundant ignition Switch off one ignition coil at the time and verify that engine still operates normally on either of ignition coils separately Attention RPM difference between running with coil 1 with coil 2 or both may not exceed 5 of nominal RPM Take off Climbing with the engine at maximum take off power 3300 rpm full throttle is permitted during...

Page 20: ...high end of the limits allow the engine to cool down by idling the engine for a few minutes before shut down Engine storage For long out of service periods we recommend the following to protect the engine against corrosion Let engine run until warm then change oil Remove the air inlet filter and insert approx 30 cm3 1 Fl oz of corrosion inhibiting oil into the inlet collector with the engine runni...

Page 21: ... Operating the engine on one ignition system only reduces redundancy safety not the power output Sudden engine stop WARNING If prior to sudden engine stoppage no abnormal noise indicated internal damage to the engine try to restart the engine otherwise conduct power off emergency landing Before restarting the engine check the following sufficient fuel level open fuel tap master and ignition switch...

Page 22: ...Oil pressure below minimum WARNING Oil pressure should be above minimum at all times If not shut down the engine immediately or as soon as possible In flight reduce engine power setting and speed to the required minimum and carry out emergency precautionary landing Any loss of pressure below the minimum required oil pressure has to be entered into the logbook stating duration and extent of under p...

Page 23: ...r have dropped If not CHT or EGT probe or signal intake have a malfunction Correct before next flight WARNING A large deviation of both CHT and EGT temperatures in one cylinder when compared to the others indicates that the particular cylinder is not firing properly or is not firing at all Engine delivers reduced power Carry out emergency precautionary landing If it is not a sensor malfunction sen...

Page 24: ...mage which may result in an in flight engine failure including broken crankshaft or loss of propeller Therefore ULPower have opted for a mandatory crankshaft replacement along with any other parts that are found to be damaged after a propeller strike or sudden stoppage We have found that this results in a more reliable quicker and cost effective solution than NDT or other inspection procedures In ...

Page 25: ...Operating Manual ULPOWER UL260 UL350 UL390 UL520 M0310 OM 260 520A01 Revision No 00 Date 2019 04 01 Page 23 of 22 Revision Revision 1 0000 00 00 ...

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