Operating Manual ULPOWER UL260i UL260iF UL260iS UL260iSAMO 260A01 Revision No: 6 Date: 2014-09-15 Page: 12 of 22Manifold air temperatureMax. ....................................... 40°C (104°F)May not exceed outside air temperatureOutside air temperatureMax. ....................................... 65°C (150°F)Min. ........................................ -25°C (-15°F)Relative fuel pressureRelative fuel pressure is the difference between the pressure in thefuel line and the pressure in the intake manifoldMax. ....................................... 3.8 bar (55 psi)Min. ........................................ 2.4 bar (35 psi)Normal .................................... 3 bar (43.5 psi)Deviation from bank angleValue to which the wet sump lubrication system warrants lubrication in positive "g" flight situationMax. ....................................... 30°Electrical powerMin.: 12 VDCBe sure the battery is completely loaded before take off with an output voltage min = 12 VDC WARNING: Make sure operating limits are respected at all times. Running the engine outside ofthe limits set by the manufacturer may severely damage the engine and will renderany warranty relating to this engine null and void.MaintenanceMaintenance 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.