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TRAINING M ANUAL– L ANCAIR IV/IVPOPERATING LIMITATIONSModel TSIO-550Rated Maximum Takeoff Horsepower……………………..350 (-0, +5%)Rated Maximum Continuous Horsepower…………………350 (-0, +5%)Rated Speed – Crank rpm…………………………………..2700Rated Manifold Pressure……………………………………38 – 38.5Maximum Continuous, bhp/rpm…………………………….350/2700Manifold Pressure – in. Hg………………………………….38 – 38.5 to 12,000 feetMaximum Recommended Climb, bhp/rpm………………...263/2500Manifold Pressure – in. Hg………………………………….31 – 31.5 to 25,000 feetFuel…..........................................................................................100 or 100 LLOil Grade……………………………………………………...20w – 50, 15w – 50Ashless Dispersant 50Oil Pressure – psiNormal Operation……………………………………………30 – 60Idle, Minimum………………………………………………...10Maximum Allowable…………………………………………100Oil Temperature – Degrees FahrenheitMaximum Allowable..........................................................240Takeoff Minimum…………………………………………….100Cruise…………………………………………………………160-180Turbochargers, Heat – Degrees FahrenheitContinuous……………………………………………………1750Peak – 30 Second Limit……………………………………..1800Maximum rpm at 1800 Degrees……………………………120,500WARNING: THIS ENGINE IS NOT APPROVED FOR SUSTAINEDNEGATIVE OR ZERO “G” OPERATION.1. CAUTION: Do not operate the starter continuously for more than thirty(30) seconds in any four (4) minute period. Allow the starter to cool againbefore cranking.2. CAUTION: After landing, allow the engine to run at idle for four (4)minutes before shutdown to prevent damage to the turbochargers. Taxitime may be considered part of the four (4) minutes.3. CAUTION: Reduce power slowly from cruise conditions to preventshock cooling.‐ 64 – © Copyright 2007 LOBOMay not be copied without permission.
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