Today's Message Index:
----------------------
 
     1. 10:11 AM - 912 oil system air leak? (Guy Buchanan)
     2. 05:03 PM - Re: 912 oil system air leak? (Roger Lee)
 
 
 

Message 1


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Time: 
10:11:02 AM PST US
From: 
Guy Buchanan <gebuchanan@cox.net>
Subject: 
912 oil system air leak?
      
      Couldn't find an answer for this. I recently had my oil pressure peg in 
      flight. My oil pressure sensor is VDO and remote driving a GRT 2000 EIS. 
      I vaguely remembered that air in the line could cause this so I bled the 
      sensor feed line and the pressure returned to normal. (It seemed like 
      there was air in the line when I bled it.) Then it climbed again, but 
      did not peg. I bled it again and it returned to normal. Questions:
      
       1. Does this sound like normal behavior for the gauge? Would air in the
          line cause it to peg?
       2. I recently did an oil change so I'm hoping the air came from that.
          However, is it reasonable that I would be getting air some hours
          after the change, and not right after?
       3. My Kitfox has the oil cooler on the suction side of the oil system,
          between the tank and engine. Is it likely or possible I have a crack
          somewhere in that system that's drawing air? And if I did, would it
          be reasonable that said crack would never leak oil, since I have no
          visible oil leaks?
      
      Thanks,
      
      Guy Buchanan
      Ramona, CA
      Kitfox IV-1200 / 912-S / Warp 3cs / 800 hrs
      Glider pilot, too
      
      

Message 2


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Time: 
05:03:27 PM PST US
Subject: 
Re: 912 oil system air leak?
From: 
"Roger Lee" <ssadiver1@yahoo.com>
      
      
      Hi Guy,
      
      This doesn't sound like air. it looks to be more sender caused. It could also be
      a bad ground not making good contact. These two items are the most common causes.
      
      --------
      Roger Lee
      Tucson, Az.
      Rotax Instructor &amp; 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=465262#465262
      
      








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