Operating and Maintenance Manual Limbach L 2400 EF/DF ET/DT DX Engine for Powered Gliders and Very Light Aircraft Edition: 19.02.2016 This manual is approved in accordance with the procedures of the EASA approved develop- ment organization No. EASA.21J.270. Approval and translation has been done by best knowledge and judgement. - In any case the original text (P/N 250.253.500.000) in german language is authoritative. Limbach Flugmotoren GmbH & Co. KG Kotthausener Str. 5 D-53639 Königswinter, Germany Tel. ++49-2244-9201-0 Fax ++49-2244-9201-30 www.limflug.de © Limbach Flugmotoren GmbH & Co. KG 250.253.501.000 Operating Manual L 2400 EF/DF/ET/DT/DX Table of Contents 1.1 Change Index ............................................................................................................................................... 4 1.2 Release ........................................................................................................................................................ 4 2 Introduction .................................................................................................................................................... 5 3 Engine Description ......................................................................................................................................... 6 3.1 Model Designation ....................................................................................................................................... 6 3.2 Cylinder Designation .................................................................................................................................... 7 4 Technical Data ............................................................................................................................................... 8 4.1 LIMBACH L 2400 EF/DF ............................................................................................................................. 8 4.2 LIMBACH L 2400 ET/DT ........................................................................................................................... 10 4.3 LIMBACH L 2400 DX ................................................................................................................................ 12 5 Performance ................................................................................................................................................ 14 5.1 Performance Graph LIMBACH L 2400 EF/DF .......................................................................................... 14 5.1.1 Performance Data L 2400 EF/DF .............................................................................................................. 15 5.2 Performance Graph LIMBACH L 2400 ET/DT .......................................................................................... 16 5.2.1 Performance Data L 2400 ET/DT .............................................................................................................. 17 5.3 Performance Graph LIMBACH L 2400 DX ............................................................................................... 18 5.3.1 Performance Data L 2400 DX .................................................................................................................... 19 6 Operating Instructions .................................................................................................................................. 20 6.1 Before Starting ........................................................................................................................................... 20 6.2 Engine Start-Up .......................................................................................................................................... 20 6.3 Runup, Performance Check ....................................................................................................................... 21 6.3.1 Performance Check ................................................................................................................................... 21 6.3.2 Ignition Check L 2400 DF/DT/DX ............................................................................................................... 21 6.4 Hot Engine Start-Up ................................................................................................................................... 21 6.5 Take-Off ..................................................................................................................................................... 22 6.6 Engine Shut-Down ..................................................................................................................................... 22 6.7 Inflight Shut-Down and Restarting ............................................................................................................. 22 6.8 Emergency Procedures ............................................................................................................................. 23 6.8.1 Version with engine Emergency Switch ..................................................................................................... 23 6.8.2 Version with electronic engine display ....................................................................................................... 24 7 Maintenenance Schedule ............................................................................................................................ 25 7.1 Daily Check ................................................................................................................................................ 25 7.2 Periodical Checks ...................................................................................................................................... 25 7.2.1 If the Engine is not Operated for more than 3 Months ............................................................................... 25 7.2.2 Every 2 Years ............................................................................................................................................. 25 7.2.3 Every 5 Years after New or Main Overhaul ............................................................................................... 25 7.3 Operating Time related Inspections ........................................................................................................... 26 7.3.1 After the first 5 Operating Hours ................................................................................................................ 26 7.3.2 After the first 25 Operating Hours .............................................................................................................. 26 7.3.3 Every 50 Operating Hours ......................................................................................................................... 26 7.3.4 Every 100 Operating Hours ....................................................................................................................... 27 7.3.5 Every 200 Operating Hours ....................................................................................................................... 27 7.3.6 Every 500 Operating Hours ....................................................................................................................... 27 8 Maintenance Instructions ............................................................................................................................. 28 8.1 Oil Change ................................................................................................................................................. 28 8.2 Cleaning of Air Filter................................................................................................................................... 29 8.3 Adjust Idling Speed .................................................................................................................................... 29 .000 8.4 Fuel Filter Cleaning .................................................................................................................................... 29 1 8.5 Fuel, Lubrication and Cooling System Check ............................................................................................ 29 8.6 Crankcase Ventilation Check ..................................................................................................................... 29 8.7 Compression Check ................................................................................................................................... 30 250.253.50 8.8 Check and Setting of Valve Clearance ...................................................................................................... 30 8.9 Check of Valve Shaft Projecting Length .................................................................................................... 31 8.10 Cleaning, Check and Setting of Spark Plugs ............................................................................................. 31 8.11 Drive Belt Check, Tensioning and Replacement ....................................................................................... 33 8.12 Exhaust System Check .............................................................................................................................. 33 8.13 Turbocharger Check L 2400 ET/DT/DX ..................................................................................................... 34 8.14 Bowden Cable Check................................................................................................................................