Operating Manual ULPOWER UL260,UL350,UL390,UL520M0310: OM 260 - 520A01 Revision No: 00 Date: 2019-04-01 Page: 1 of 22PrefaceThank you for choosing ULPower Aero Engines for your aircraft.Before starting the engine, carefully read this manual. The Manual will provide you with basicinformation on the safe operation of the engine.If you are unsure about the procedures mentioned in this manual, please contact a ULPowerauthorised service point.We hope you will enjoy flying your ULPowered aircraft.RemarksThe diagrams and other pictures in this manual show the typical construction. They may notrepresent in full detail or the exact shape of the parts which have the same or similar function.Specifications are given in the SI metric system with the USA equivalent in parenthesis. Whereprecise accuracy is not required, some conversions are rounded off for easier use.In addition to this Operating Manual, please refer to the following: Installation Manual Maintenance ManualPlease make sure you have the latest version available of the applicable manual.ModificationsThe information and components/system descriptions contained in this Operating Manual arecorrect at the time of publication. ULPower, however, maintains a policy of continuousimprovement of its products without imposing upon itself any obligation to install them on itsproducts previously manufactured.ULPower reserves the right at any time to discontinue or change specifications, designs, features,models or equipment without incurring obligation.Engine serial numberOn all enquiries or spare parts orders, always indicate the engine serial number, as themanufacturer makes modifications to the engine for further development.Repeating symbolsThis manual uses the following symbols to emphasize particular information. These indications areimportant and must be respected. WARNING : Identifies an instruction which, if not followed, may cause serious injuryincluding the possibility of death. Attention : Denotes an instruction which, if not followed, may severely damage the engineor other components.Note : Indicates supplementary information which may be needed to fully complete orunderstand an instruction.