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Oil pump

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Richard Pike

Joined: 09 Jan 2006
Posts: 1671
Location: Blountville, Tennessee

Posted: Mon Jan 15, 2007 9:34 am Post subject: Oil pump

Got an interesting situation with the oil pump on the Firestar II's 582.  Apparently when sitting for a day or so, oil appears to be slowly forcing it's  way through the oil injection pump and into the intake manifold of the carb  closest to the PTO end. For a while, this engine has tended to have a lot of oil  accumulate in the aft end of the intake silencer and sometimes drool out, making  a mess. Lately it has sometimes exhibited a tendency to run rough at startup,  blowing a lot of oil smoke for about five minutes and then clearing up and being  normal. Today I found out why, went out and pulled the float bowls off, and the  rear one was purple from the oil that had found it's way into the float bowl and  created about a 20:1 gas/oil mix.

  

 The pump works normally in flight, it just allows oil to seep through while  sitting in the hangar. Has anybody else ever had a situation like this, and if  so, what did you do to fix it? I do have a spare oil pump, graciously given  to me by one of our listers, and will probably go ahead and install it, but  am I overlooking something??? (Always a good possibility...)

  

 Thanks,

 Richard Pike

 MKIII N420P (420ldPoops)

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_________________
Richard Pike
Kolb MKIII N420P (420ldPoops)
Kingsport, TN 3TN0

Forgiving is tough, being forgiven is wonderful, and God's grace really is amazing.

Steven Green

Joined: 05 Feb 2006
Posts: 118

Posted: Mon Jan 15, 2007 4:33 pm Post subject: Oil pump

Richard,

  

 I had this same problem with my 582s.  The  solution is to fly more often.  I never quite convinced my wife this was  the only solution but it will work.  :<)

  

 Steven

 do not archive

 [quote]    

    

   The pump works normally in flight, it just allows oil to seep through    while sitting in the hangar. Has anybody else ever had a situation like this,    and if so, what did you do to fix it? I do have a spare oil pump,    graciously given to me by one of our listers, and will probably go ahead    and install it, but am I overlooking something??? (Always a good    possibility...)

    

   Thanks,

   Richard Pike

   MKIII N420P (420ldPoops)

 	  Quote: 	
		  



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Steven Green

jbhart(at)onlyinternet.ne
Guest

Posted: Mon Jan 15, 2007 4:56 pm Post subject: Oil pump

................ 

The pump works normally in flight, it just allows oil to seep through while sitting in the hangar. Has anybody else ever had a situation like this, and if so, what did you do to fix it?

.................

Richard,



A low cost solution would be to place a shut off valve ahead of the pump, and add a preflight check flag.



Jack B. Hart FF004

Winchester, IN

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