ULPOWER UL260, Operating Manual

Page 1: ...UL26o UL35o UL39o UL52o Operating Manual M0310 OM 260 520A01 Revision No 04 Date 2021 11 18...

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Page 3: ...addition to this Operating Manual please refer to the following Installation Manual Technical Data document Installation checklist Trouble shooting manual Illustrated Parts Catalogue Propeller flange...

Page 4: ...hese indications are important and must be respected WARNING Identifies an instruction which if not followed may cause serious injury including the possibility of death Attention Denotes an instructio...

Page 5: ...iscretion and responsibility of the aircraft manufacturer assembler and owner user ULPower makes no warranty or representation on the suitability of its engine s use on any particular aircraft Further...

Page 6: ...ep 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 To eliminate pos...

Page 7: ...eviation from bank angle 11 Oil level 11 Operation limits 12 Electrical power 13 Manifold air temperature 13 Rail fuel pressure 13 Oil pressure 14 EGT 14 Cylinder head temperature 14 Turbo pressure 14...

Page 8: ...Date 2021 11 18 Page 6 of 23 Exceeding of max admissible oil pressure 20 Relative fuel pressure deviates from normal 21 Derivation of turbo pressure if applicable 21 Single CHT and or EGT drop 21 Kno...

Page 9: ...le 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 The fuel mixture and ignition timing is controlle...

Page 10: ...are air and oil cooled Installing the ram air ducts that come with the engine is mandatory See installation manual for more info on this subject The installation of an oil cooler is mandatory as the...

Page 11: ...l test by disconnecting one of the sensors if the installation is ok the check light will come up When there is a problem with one of the following sensors the CHECK light will come on Oil temperature...

Page 12: ...first 15 hours This means For the first 15 hours Avoid continuous running at full power But on the other hand do not run the engine for a long time at idle on the ground Go flying after take off and i...

Page 13: ...91 27 3300 UL 520T 220 200 2700 1 22 36 2700 Table 1 Performance Acceleration Only operate the engine at zero gravity and in negative g conditions during a limited amount of time Positive oil pressure...

Page 14: ...F 40 C 40 F Yellow 12 5 12 7V 50 80 C 122 176 F 1 2Bar 15 29PSI 300 400 C 572 752 F 50 C 122 F Green 12 7 14 5V 80 100 C 176 212 F 30 40 C 13 104 F 30 60 C 13 140 F 2 4 3 4Bar 35 49PSI 2 5Bar 29 73PS...

Page 15: ...nes we advise to install a suitable intercooler see installation manual Engine Naturally aspirated Turbocharged normalized Max at start 60 C 140 F 5 75 C 167 F Max at take off 50 C 122 F 5 70 C 158 F...

Page 16: ...00 RPM hot oil Min 0 7 bar 10 PSI EGT EGT varies upon delivered power Most important is that all EGT values are equal EGT values should normally be within 100 C of each other depending on installation...

Page 17: ...e above engines if regular fuel is not available Note Due to higher lead content in AVGAS 100 LL the wear of the valve and valve seats the deposits in combustion chamber and lead sentiments in the lub...

Page 18: ...l is between the min and max marks Before starting a long flight replenish up to max level Difference in oil quantity between min and max level is 1 litre 1 quarts Inspect exhaust system for damage le...

Page 19: ...rities may occur Attention Boost pressure must be within range Fuel pressure must be within range Note Check with aircraft propeller operating handbook since engine speed depends on the propeller used...

Page 20: ...n the engine by switching off power to ECU before cutting off fuel ignition Under normal circumstances the descent and taxiing may have cooled the engine down however the two minutes idle time should...

Page 21: ...ncy backup 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 int...

Page 22: ...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 m...

Page 23: ...000 ft If the turbo pressure is too low verify that the RPM is above 2000 RPM Increase RPM turbo spool up to see if turbo pressure increases to normal value If the turbo pressure is too high the over...

Page 24: ...lt in visible damage After a prop strike or sudden stoppage the incident must be entered in the engine logbook The only known safe procedure is to remove and disassemble the engine and completely insp...

Page 25: ...11 Aerobatic engines for naturally aspirated engines Pg 12 Add UL520T in performance chart Pg 13 Add turbo engine specifications at manifold air temperature and relative fuel pressure chart Pg 15 Add...