Return-Path: Sender: (Marvin Kaye) To: lml@lancaironline.net Date: Tue, 20 Jan 2004 09:40:15 -0500 Message-ID: X-Original-Return-Path: Received: from mta7.srv.hcvlny.cv.net ([167.206.5.74] verified) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 2940197 for lml@lancaironline.net; Tue, 20 Jan 2004 08:11:16 -0500 Received: from KRAUSHOUSE (ool-44c41a62.dyn.optonline.net [68.196.26.98]) by mta7.srv.hcvlny.cv.net (iPlanet Messaging Server 5.2 HotFix 1.16 (built May 14 2003)) with SMTP id <0HRS00HL6HX670@mta7.srv.hcvlny.cv.net> for lml@lancaironline.net; Tue, 20 Jan 2004 08:10:22 -0500 (EST) X-Original-Date: Tue, 20 Jan 2004 08:10:13 -0500 From: Ron and Barbara Subject: Boost Pumps/LNC2/Water X-Original-To: LML X-Original-Cc: kraus96@optonline.net X-Original-Message-id: <001c01c3df56$bd844690$621ac444@KRAUSHOUSE> MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 X-Mailer: Microsoft Outlook Express 6.00.2800.1158 Content-type: text/plain; charset=iso-8859-1 Content-transfer-encoding: 7BIT X-Priority: 3 X-MSMail-priority: Normal Ray - This was my first posting to the LML and am glad to receive comments. They help to fix problems or confirm a workable setup. Randy and Chris - I believe your questions and comments are addressed here also. The Aeroquip fittings that support the sending unit and inline filter on the pressure side of the system are secured to the mounting board which eliminates any structural load on the hoses. I am using aircraft quality hose and the clamps are safety wired. The fuel pumps are individually controlled and are wired back to the buss. They don't even share a ground wire :-) I can operate them one at a time or simultaneously. The fuel injection system is multi-port. The pumps maintain a continuous flow through the fuel rails and back to the header tank. When the engine is not running the system pressure is approximately 40 PSI. Once the engine is started the pressure in the rails is controlled by the engine fuel pressure regulator. The pressure sending unit is located at the supply (inlet) of the system. The MAP is picked up by the regulator located at the end of the system. I do not have an engine driven fuel pump. My Andair gascolator is installed at the low point, low pressure, inlet side of the system. The inline filter (visible in the pictures I posted) is probably overkill and any water that may have gotten into the header tank should be removed by the gascolator before the fuel reaches the pumps then to this filter. My intention is to remove this inline filter for cleaning during scheduled maintenance. At one time I was planning to install an additional inline filter between the header tank and the gascolator, but have opted to not because I would not know if it trapped water (without removing it) and my expectation is that the gascolator will perform that function. Again - thanks for the comments/questions..... Ron Kraus LNC2