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rijaeger(at)wausau.k12.wi
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 Posted: Fri Apr 05, 2013 6:27 am Post subject: Low Oil Pressure |
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I started my Yak yesterday for the 1st time since late December when we had an unusually mild spell here in WI. It was about 36 degrees F here yesterday. I pulled the lower, rear plugs and pulled the prop through. Cleaned the plugs, re-installed / torqued them, opened the oil drain valve and pulled the prop through an additional 14 blades. Confirmed oil tank level was above "MIN." I hit the battery switch and primed normally. It took 2 tries and caught. It seems to run smoothly and easily sailed through the mag-check. After some idle time I pushed it up to about 50%. While the oil pressure does not bottom out or even sink into the red, it only tops out at the upper end of the yellow arc - just before entering the green arc of "normal" - apparently regardless of engine RPM. I know someone will ask about the gauge arc-marking upper / lower limitations and I regret I did not visually record that info - only that I believe my gauges are marked status quo. My A & P mentioned something about the possibility of "old oil coagulating" in the sending line - especially in chilly weather. Any thoughts??? THANX!!
--
Rico Jaeger
Choir / East High School
General Music / Horace Mann
[quote][b]
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Dale
Joined: 30 May 2007
Posts: 178
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| Posted: Fri Apr 05, 2013 4:15 pm Post subject: Re: Low Oil Pressure |
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If it's completely heated it up in a hangar you oil pressure issue will go away.or at least throw a blanket over it and heat the entire engine compartment up including all the lines / etc. don't forget the oil cooler is in the wing and all the lines / cooler out there are cold as well. 36 deg during the day is no issue as long as the plane is at 60+ or heated up good.
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