---------------------------------------------------------- Kolb-List Digest Archive --- Total Messages Posted Fri 05/11/07: 1 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 11:59 AM - Oil Filter Rotax 912ULS (John Hauck) ________________________________ Message 1 _____________________________________ Time: 11:59:34 AM PST US From: "John Hauck" Subject: Kolb-List: Oil Filter Rotax 912ULS Hi Folks: Just got back from the airstrip. Upgraded my oil cooler from a medium (Rotax Large) to a large (Rotax Extra Large) on the 912ULS. During flights out West, in recent years, I have had to keep a very close eye on the engine oil temp gauge. At one point while flying Death Valley, I had to reduce power to keep the engine oil temp below the red line. Anxious to see if the money and effort was worth it or not. I am pretty sure I will get the results I want. Maybe a little lower engine oil temp and a little higher CHT. Discovered something interesting during my work on the mkIII today. I checked the oil in the tank prior to cracking any oil lines, or turning over the engine. To my dismay, the oil level in the tank had dropped to the lower portion of the stick out of the operational range. Since it was full when I put the airplane away a week ago, the only answer to that would be the oil siphoned out of the tank and into the crank case because the anti-siphon valve in the oil filter malfunctioned. After I got the new cooler installed, I turned the engine over by hand to blow the oil out of the crankcase and back into the oil tank. Next time I checked the oil was just over the bottom of the operational line about a quarter of an inch. As most of you know, I use Fram TG3614 oil filters in my 912ULS. I was a little disappointed that the anti-siphon valve failed, until I remembered, I still had a black oil filter installed. The original Rotax filter. I have yet to do the first oil change which is due at 25 hours. So..........my track record for my Fram TG3614 is still 100%. I have one on the bench to install before I depart for MV Tuesday morning. All that is left to do now is dial in prop pitch, adjust throttle friction, rotate drag strut universals, re-rivet the left aileron counter balance weight that for some reason decided to loosen up in the leading edge of the aileron, and wash the carpenter bee crap and saw dust off the wings. Right now it is break time. Too hot to work in this 94F heat. john h mkIII ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message kolb-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/Kolb-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/kolb-list Browse Digests http://www.matronics.com/digest/kolb-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.