X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 16 Apr 2014 10:06:46 -0400 Message-ID: X-Virus-Scanned: clean according to Sophos on Logan.com X-PolluStop-Diagnostic: (whitelisted) X-Orig-Return-Path: willydford@gmail.com X-Orig-Recipients: y/1mPiZUtbQLvIFjMGAgBeTI1B2BZQNEfeLmLIWRMpw= X-PolluStop-Score: 0.00 X-PolluStop: Scanned with Niversoft PolluStop v2.7.2 X-Junk-Score: 2 [X] X-SpamCatcher-Score: 2 [X] X-Original-Return-Path: Received: from mail-ie0-f172.google.com ([209.85.223.172] verified) by logan.com (CommuniGate Pro SMTP 6.0.9e) with ESMTPS id 6829673 for marv@lancair.net; Wed, 16 Apr 2014 00:15:07 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.223.172; envelope-from=willydford@gmail.com Received: by mail-ie0-f172.google.com with SMTP id as1so10160269iec.3 for ; Tue, 15 Apr 2014 21:14:33 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.42.20.6 with SMTP id e6mr1744640icb.29.1397621672998; Tue, 15 Apr 2014 21:14:32 -0700 (PDT) Received: by 10.42.230.202 with HTTP; Tue, 15 Apr 2014 21:14:32 -0700 (PDT) X-Original-Date: Tue, 15 Apr 2014 22:14:32 -0600 X-Original-Message-ID: Subject: Gear Down...INOP From: William Ford X-Original-To: marv@lancair.net Content-Type: multipart/alternative; boundary=f46d04190e62597c6804f7212739 --f46d04190e62597c6804f7212739 Content-Type: text/plain; charset=UTF-8 I believe that I recently experienced something in my Legacy that I remember reading about but can't remember all the details. I looked into the LML archives and was unsuccessful. Could someone out there please briefly summarize the situation, reason and any possible remedies for gear extension failure following high altitude cruise in cold air followed by a decent and landing in hot air. I seem to remember a discussion about boosted pressure in the hydraulics plumbing due to the rapid rise in temperature which in turn had an effect on the operation of the pressure switch In my recent experience...after opening the dump valve, the hydraulic pump did run, confirming continuity to the pump. After working the nose gear into the locked position, the landing was uneventful but I would like to avoid this uncomfortable situation in the future. Would a tweak on the pressure switch adjustment be called for here or just expect to momentarily crack open the dump valve to relieve excess pressure. Thanks for your thoughts. William Ford N11LL --f46d04190e62597c6804f7212739 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
I believe that I recently experienced something in my Lega= cy that I remember reading about but can't remember all the details. = =C2=A0I looked into the LML archives and was unsuccessful. =C2=A0Could some= one out there please briefly summarize the situation, reason and any possib= le remedies for gear extension failure following high altitude cruise in co= ld air followed by a decent and landing in hot air. =C2=A0I seem to remembe= r a discussion about boosted pressure in the hydraulics plumbing due to the= rapid rise in temperature which in turn had an effect on the operation of = the pressure switch =C2=A0In my recent experience...after opening the dump = valve, the hydraulic pump did run, confirming continuity to the pump. =C2= =A0After working the nose gear into the locked position, the landing was un= eventful but I would like to avoid this uncomfortable situation in the futu= re. =C2=A0Would a tweak on the pressure switch adjustment be called for her= e or just expect to momentarily crack open the dump valve to relieve excess= pressure. =C2=A0Thanks for your thoughts.

William Ford
N11LL
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