The dual bing carburetors on the rotax 912 uls do a good. Table of contents this chapter of the maintenance manual contains general and safety information concerning the operation of the aircraft engine. In the rotax 912914 series line maintenance manual, section 052000 there is a really useful table detailing the. Rotax engine manual pdf downloads california power. Rotax 912, rotax 912 manuals, rotax 912 installation manual. We carry over 8,000 unique parts and supplies for rotax engines and the aircraft they power. Service schedule shown in latest line manual the 914 is a little more complicated and for now i will only cover one or two items specific to the 914, but i will not go into. The concern is that the propeller might exceed the mass moment of inertia limit for the particular model powerplant. View and download rotax 912 series maintenance manual online. By copying or paraphrasing the intellectual property on this. Free air cooled cylinders, liquid cooled cylinder heads with integrated pump and expansion tank. Rotax 912 uls dcdi 100hp rotax service your automotive. Rotax engine manual pdf downloads the following links are a series of articles that appeared in ultralight flying.
Most of the things you wanted to know about servicing a rotax. Service bulletin exchange of floats on rotax engine. Aviasport rotax egt type k sensors aircraft spruce. Rotax frequently publishes different types of service documents containing the very latest information about the maintenance and operation of. All work has to be performed in accordance with the relevant maintenance manual.
Maintenance manual, installation manual, operators manual. In the rotax 912914 series line maintenance manual, section 052000 there is a really useful table detailing the service items that need to be completed at each interval see figure 2. In comparison to the 80 hp version of the rotax 912 series the 100 hp product line offers more power while keeping the weight. The documents are available and may be downloaded in adobe pdf format. This section describes this maintenance of engine type rotax 912 series. Zenith aircraft company recommends the rotax 912 series engines as the standard powerplant for both the zodiac ch 601 series and the stol ch 701. Ultralight news covering the world of ultralight aviation airfield by appointment only click for rotax aircraft engine parts info. Any 277 ul 447 ul 503 ul 505 505 a 535 a 535 b 535 c 582 ul 618 ul 912 a 912 f 912 is 912 isc sport 912 is sport 912 s 912 ul 912 uls 914 f 914 ul 915 is a 915 isc a 915 isc b. Necessary statistics marketing cookie details necessary. Rotax engine manual pdf downloads california power systems. The operators manual is much the same as an automobiles owners manual in that it defines recommendations for fuel, coolant and oil, along with providing checklists, operating instructions and limits for the rotax 912 uls engine.
Rotax aircraft engines downloads rotax aircaft engines. To further improve our offer and our website, we collect anonymous data for statistics and analysis. Service bulletin checking for correct engine type plate on. These cookies are essential for the operation of the site.
To be supplied by brprotax upon confirmation of an incorrect engine type plate and return of engine type plate to brprotax. Installation manual 912 series german light aircraft. Maintenance manual line 912 series angeles city flying. An interview with brian meyerhofer of leading edge air foils. Rotax frequently publishes different types of service documents containing the very latest information about the maintenance and operation of their engines. Bert flood imports rotax 912 uls australian aircraft engine. Maintenance manual line 912 series angeles city flying club. It has a thread metric 8 and it can be installed directly on the m8 nuts that come from manufactures some 912 and 914 en. The 912 914 series engines need to generate a minimum of 5,200 rpm at wide open throttle wot in the takeoff run. Rotax 912 series engines inspection and maintenance schedule spark plugs, when using 100ll avgasinspect at 50 hour intervals of operation. Nov 10, 2015 the operators manual is much the same as an automobiles owners manual in that it defines recommendations for fuel, coolant and oil, along with providing checklists, operating instructions and limits for the rotax 912 uls engine. Rotax 912 uls dcdi 100hp 4stroke engine specially developed for recreational aircraft.
Rotax 912 uls 3 manuals manuals and user guides for rotax 912 uls 3. Kg, be disclosed in whole or in part to third parties. By conrad beale the intention of this article is to assist the many rotax 4 stroke engine owners, operators and engineers to carry out the work necessary to prolong the life of their rotax 912914 series aircraft engines. Rotax service bulletins from california power systems. Rotax aircraft engines technical documentation franz. Rotax 912 service, rotax 912 recommended maintenance and.
Teaching maintenance and inspection aspects of the rotax. Rotax 912, rotax 912 uls, rotax 914 aircraft engine. Reinstall the four lower coolant hoses on the water pump and return the spring clamps to their proper locations. Rotax 912, rotax 912 uls, rotax 914 aircraft engine installation weights. Most of the things you wanted to know about servicing a rotax 912914 series aircraft engine but were afraid to ask. Teaching maintenance and inspection aspects of the rotax 900 series aircraft engine hours of instruction required for the faa power plant mechanic certification may be reduced from the present 750 to 650 although a total of 1900 hours for the sum of all three categories of instruction is expected to remain thompson, 2010.
You can find details of how to test the functionality of float valve in the heavy maintenance manual. Rotax 912 service, rotax 912 recommended maintenance and service schedule. Aug 06, 2011 the result can be hard starting and increased wear in the starting system, including damage to the sprag clutch. See rotax service information 11 ul 91 for the details. See maintenance manual heavy of the respective engine type, current issue. The new 912 ul s is a 100 hp version of the certified 81 hp 912 engine, with the same external dimensions as the standard rotax 912.
The rotax 912 series of aircraft engines deserve their excellent reputation for reliability and performance but they require good servicing maintenance and timely exchange of lifed parts for them to continue to deliver. You can burn 9193 octane auto gas ethanol is not an issue with rotax, its lighter, quieter, smoothrunning, and damnnear bulletproof. Rotax 912, rotax 912 manuals, rotax 912 installation. Maintenance manual heavy maintenance 912 and 914 series. Replacement of circlip carburetor for rotax engine type 912 and 914 series mandatory inspection and replacement valve pushrod assy. Introduction this section describes the installation of engine type rotax 912 series. During all of the maintenance ive done, i have found that if you follow the rotax service manual to the letter, everything just works. Brprotax maintenance manual 000000 4 introduction we are pleased you decided to purchase a rotax aircraft engine. This engine series offers a time between overhauls of 2. Installation of the propeller gear in according to current maintenance manual heavy maintenance. Any alert service bulletin illustrated parts catalog installation manual maintenance manual heavy maintenance manual line. Rotax servicing update the light aircraft association. This form can be easily printed out and is a really handy work sheet on which to record the maintenance you have carried out on your engine.
The rotax 912 series includes all engines such as the 912 a, 912 f, 912 s, 912 ul, 912 uls and 912 ulsfr. According to current maintenance manual heavy maintenance. The instillation manual is a reference for the instillation requirements of the rotax 912 uls and support hardware. Work performed irmt rating required labor credit inspection as per chapter 3. Replacement of fuel pumps for rotax engine type 912 series. Periodic inspection of the float buoyancy for rotax engine. Your fuel pressure may be too high in which case, again, your float valve may not be able to close seal properly and may be failing to regulate the level of fuel in the float bowl use a fuel. In any case the original rotax document in english language as well as the metric units sisystem contained therein are authoritative. The rotax 912 series includes all engines such as the 912 a, 912 f, 912 s, 912 ul and 912 uls. As on type 912 version configuration 3 no oil seal is used on this location, only renewal of roller bear ing at detection of pittings on bearing rollers is necessary.
Rotax 912, rotax 912 manuals, rotax 912 installation manual, rotax 912 maintenance manual, rotax 912 parts list. Rotax makes available a series of documents aiming to ensure the reliability, durability and performance of their engines. The rotax 912 is a naturally aspirated, airand watercooled, horizontally opposed fourcylinder, fourstroke, gear reductiondrive engine commonly used on certified aircraft, light sport aircraft, ultralight aircraft and unmanned aerial vehicles. In the rotax 912 914 series line maintenance manual, section 052000 there is a really useful table detailing the service items that need to be completed at each interval see figure 2. Maintenance manual 912 series avsport of lock haven. Rotax service interval guide light aircraft association. Here you can view the cookie settings of various tools used on this domain and its subdomains. Brp rotax maintenance manual 000000 4 introduction we are pleased you decided to purchase a rotax aircraft engine. Rotax 912, retax maintenance, cylinder barrels, cylinder heads, pushrod tubes, loctite 648, orings, crankcase, crankcase grooves, rotax 912 heavy maintenance manual, cylinder studs, rotax cylinder alignment tool, inlet manifold assembly, 912 cylinder head collar cap nuts, rocker covers. For relevant airworthiness directives ad see easa website and also check with your local civil aviation authority e.
Rotax produced its 50,000th 912 series engine in 2014. May 31, 2017 rotax makes available a series of documents aiming to ensure the reliability, durability and performance of their engines. The 912 series includes all engines such as the 912 a, 912 f, 912 s, 912 ul, 912 uls and 912 ulsfr. Rotax aircraft engine documentation rotax service your. Reinstall the ignition module hardware removed on page 46u03. Maintenance manual mm heavy maintenance manual mm line note. Aerofix aviation rotax service, rotax servicing, rotax. Lockwood aviation supply provides parts and service for all rotax powered aircraft. Renew at 100 hour intervals of operation spark plugs, when using unleaded auto fuelsrenew at 100 hour intervals of operation. Rotax aircraft engines technical documentation rotax. Bert flood imports rotax 912 uls australian aircraft. Table of contents this chapter of the installation manual contains general and safety information concerning the operation and maintenance of the aircraft. View and download rotax 912 ul repair manual online.
Aviasport rotax egt type k sensors probe for the measurement of the temperature of exhaust egt for all rotax engines. This section describes the maintenance of engine type 912 series. The status of manuals can be determined by checking the table of. Rotax 912 uls 3 maintenance manual 456 pages 912 914 series. Most of the things you wanted to know about servicing a.
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