X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 07 Jun 2007 11:56:08 -0400 Message-ID: X-Original-Return-Path: Received: from mx3.pshift.com ([216.57.116.8] verified) by logan.com (CommuniGate Pro SMTP 5.1.9) with ESMTP id 2089414 for lml@lancaironline.net; Thu, 07 Jun 2007 11:41:47 -0400 Received-SPF: none receiver=logan.com; client-ip=216.57.116.8; envelope-from=colyncase@earthlink.net Received: from ccaselt2 (unverified [216.57.118.64]) by mx3.pshift.com (Vircom SMTPRS 4.4.568.30) with SMTP id for ; Thu, 7 Jun 2007 11:41:01 -0400 Received-SPF: none (mx3.pshift.com: domain of colyncase@earthlink.net does not designate any permitted senders) X-Modus-BlackList: 216.57.118.64=OK;colyncase@earthlink.net=OK X-Modus-RBL: 216.57.118.64=Excluded X-Modus-Trusted: 216.57.118.64=NO X-Modus-Audit: FALSE;0;0;0 X-Original-Message-ID: <027001c7a91a$536329c0$0202a8c0@nvidia.com> From: "Colyn Case on earthlink" X-Original-To: "Lancair Mailing List" References: Subject: Re: [LML] Re: Hickman's Accident: NTSB Probable Cause Report X-Original-Date: Thu, 7 Jun 2007 08:41:33 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_026D_01C7A8DF.A6D94A20" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3028 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 This is a multi-part message in MIME format. ------=_NextPart_000_026D_01C7A8DF.A6D94A20 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable where is the check valve? this is to prevent backflow through the = mechanical pump...or through the boost when it's not running? or what? The fuel system on the TSIO550 is designed to allow high boost from an = auxiliary pump to be used as a back up for engine pump failure. There = is a check valve in the system for this purpose. Craig Berland ------=_NextPart_000_026D_01C7A8DF.A6D94A20 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

where is the check valve? this is = to prevent=20 backflow through the mechanical pump...or through the boost when it's = not=20 running? or what?

The fuel system on = the TSIO550 is=20 designed to allow high boost from an auxiliary pump to be used as = a back=20 up for engine pump failure. There is a check valve in the system = for=20 this purpose.

Craig=20 Berland

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