Operating Manual ULPOWER UL260,UL350,UL390,UL520M0310: OM 260 - 520A01 Revision No: 00 Date: 2019-04-01 Page: 5 of 22Engine shut-down ................................................................................................. 18Engine storage ..................................................................................................... 18Abnormal operation ................................................................................................ 19Abnormal running on ignition check ........................................................................... 19Sudden engine stop ............................................................................................... 19Reaching maximum engine speed .............................................................................. 19Exceeding of max. admissible cylinder head temperature ................................................ 20Exceeding of max. admissible oil temperature .............................................................. 20Oil pressure below minimum .................................................................................... 20Exceeding of max. admissible oil pressure ................................................................... 20Relative fuel pressure deviates from normal ................................................................ 21Single CHT and/or EGT drop .................................................................................... 21Knocking ............................................................................................................ 21Low battery voltage .............................................................................................. 21Prop Strike ......................................................................................................... 22Revision ............................................................................................................... 23