Return-Path: Received: from king1.vineyard.net ([204.17.195.90]) by ns1.olsusa.com (Post.Office MTA v3.5.3 release 223 ID# 0-70783U4500L450S0V35) with ESMTP id com for ; Thu, 1 Mar 2001 22:45:15 -0500 Received: (from mail@localhost) by king1.vineyard.net (8.9.3/8.9.0) id WAA31152 for ; Thu, 1 Mar 2001 22:54:00 -0500 (EST) Received: from esy12.vineyard.net(199.232.95.143) by K1.vineyard.net via smap/slg (V2.0) id sma031134; Thu Mar 1 22:53:42 2001 Message-Id: <200103020354.WAA31152@king1.vineyard.net> From: "Ted Stanley" To: "LML reply address" Subject: re: LNC2 Landing Gear Hydraulic Puzzle Date: Thu, 1 Mar 2001 22:22:25 -0500 X-Mailing-List: lancair.list@olsusa.com Reply-To: lancair.list@olsusa.com Mime-Version: 1.0 <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>> << Lancair Builders' Mail List >> <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>> >> Byron - I don't really know your system so I can't be specific but you might consider capping off each or all the actuator lines and see if the pump "chirps". If it does, seems to me you have an internal leak in the pump. I had a similar problem in a Seneca III years ago. It used hydraulic pressure from an electrically powered hydraulic power pack to hold the gear in the up position. I'd fly along and see the ammeter spike every so often. It was the pump motor flipping on for a second and building up pressure. Turned out it was the emergency down valve. The valve is designed to relieve pressure in the system and allow the gear to free fall to the down and locked position. Good Luck, Ted Stanley >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> LML website: http://www.olsusa.com/Users/Mkaye/maillist.html LML Builders' Bookstore: http://www.buildersbooks.com/lancair Please send your photos and drawings to marvkaye@olsusa.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>