---------------------------------------------------------- RotaxEngines-List Digest Archive --- Total Messages Posted Fri 02/10/17: 2 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 06:17 AM - Re: 914 air box pressure sensor (Roger Lee) 2. 07:18 AM - Re: 914 air box pressure sensor (h&jeuropa) ________________________________ Message 1 _____________________________________ Time: 06:17:15 AM PST US Subject: RotaxEngines-List: Re: 914 air box pressure sensor From: "Roger Lee" Hi Frank, If you don't have the Rotax airbox you need to get one. There are other connections that need to get made on this airbox. -------- Roger Lee Tucson, Az. Rotax Instructor & Rotax IRC Light Sport Repairman Home 520-574-1080 TRY HOME FIRST Cell 520-349-7056 Read this topic online here: http://forums.matronics.com/viewtopic.php?p=465969#465969 ________________________________ Message 2 _____________________________________ Time: 07:18:31 AM PST US Subject: RotaxEngines-List: Re: 914 air box pressure sensor From: "h&jeuropa" Hi Frank, The current install manual, Edition 2 Rev 0, page 103 describes these sensors. The static sensor needs to pick up the pressure near the inlet to the turbo. In my Europa the sensor is mounted on the firewall and a length of 4mm hose is routed to near the air filter. The airbox sensor has changed over the years. The current version has the sensor mounted to the airbox. Older versions like mine and apparently yours, have the sensor just connected to one of the 4mm hoses. You will need to cut the hose and insert a tee. It's probably easiest to cut the hose between the airbox and the fuel pressure regulator. You could also put a fitting into the threaded boss on the airbox, near the port side. I have a airbox temp sensor there that feeds my EFIS. The early install manuals specified water filters in the circuits to sensors. The filters are just paper fuel filters. I've attached the old install manual. Have a look at page 67. While you are at it, fuel pressure specifications in the Operators Manual on a 914 is actually differential fuel pressure between the fuel pump and the airbox. The OM actually says airbox press + 3.6 psi. Page 52 of the manual has a little about this. UMA makes a differential pressure sensor that works well (P/N 1EU07D). So I have a connection to the airbox that goes to the Rotax supplied airbox pressure sensor and also to the airbox pressure side of my UMA differential fuel pressure sensor. Let me know if I can help further. Jim Butcher Europa N241BW 800 hrs 914 Read this topic online here: http://forums.matronics.com/viewtopic.php?p=465973#465973 Attachments: http://forums.matronics.com//files/914_install_man_159.pdf ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message rotaxengines-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/RotaxEngines-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/rotaxengines-list Browse Digests http://www.matronics.com/digest/rotaxengines-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.