Mailing List flyrotary@lancaironline.net Message #30563
From: Bob Darrah <RDarrah@austin.rr.com>
Subject: Possible oil pressure problems
Date: Tue, 7 Mar 2006 18:38:18 -0600
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Help!
 
Getting closer to engine start (3 months?).  Put oil in the pan and had a brilliant (???) idea.  If I pulled a vacuume on the output hose, over time I should be able to pull oil past the oil pump and prime the system.
Well, it didn't  work.  Couldn't hold a vacuum or pressure possibibly due to:
 
          1. Leakes in the system on the pressure side of the pump (that famouse O ring in the front cover?)
          2. The mannor in which the oil pump chain is lubricated.
 
If number 2 is the reason, I can keep going.  What is normal here?
 
Bob Darrah
20B 
 
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