X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 25 May 2010 18:40:43 -0400 Message-ID: X-Original-Return-Path: Received: from iron8.midco.net ([24.220.0.94] verified) by logan.com (CommuniGate Pro SMTP 5.3.7) with ESMTP id 4326079 for lml@lancaironline.net; Tue, 25 May 2010 17:46:17 -0400 Received-SPF: none receiver=logan.com; client-ip=24.220.0.94; envelope-from=zoelt@sio.midco.net X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Aj4FAH/h+0sY3KSd/2dsb2JhbACBP4cylSVywQeFEwSDQg X-IronPort-AV: E=Sophos;i="4.53,299,1272862800"; d="scan'208,217";a="442887562" Received: from host-157-164-220-24.midco.net (HELO YOUR105B4D3942) ([24.220.164.157]) by out.vip.midco.net with ESMTP; 25 May 2010 16:45:42 -0500 From: X-Original-To: "'Lancair Mailing List'" References: Subject: RE: [LML] Re: Pressurization problem X-Original-Date: Tue, 25 May 2010 16:45:41 -0500 X-Original-Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_003F_01CAFC29.B6944730" X-Mailer: Microsoft Office Outlook 11 Thread-Index: Acr8Rq8njvFTP9qGSA6e7ttyTAVJawADObUg In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 X-Antivirus: avast! (VPS 100331-2, 03/31/2010), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_003F_01CAFC29.B6944730 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit I'll check Barry, Thanks, Tim _____ From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of F. Barry Knotts Sent: Tuesday, May 25, 2010 3:13 PM To: lml@lancaironline.net Subject: [LML] Re: Pressurization problem I don't know if it's possible, but could the pressurization adjustment knob been forced into a complete revolution? I'll bet that would confuse the system into thinking it was on or under the ground at all times. Just a thought. Barry Knotts LIV-P zoelt@sio.midco.net wrote: Cabin won't pressurize. Visitor shopping for a 4P was sitting in cabin with a battery charger on the battery supposedly studying the cheltons but I suspect he was pushing every button and switch he could. Now pressure valve won't close. I can hear the dump switch and gear handle switch both clicking in the valve but it doesn't move up or down. Removed the valve and checked for travel. I can manually close it on the bench but it immediately opens again. With pressurized air flowing in (vacume cleaner hooked up in reverse) I can depress the valve with my fingers and almost get it to seal but it immediately opens. Is there another safety switch in the pitot system somewhere? Any idea where? I'd appreciate any advice. Thanks, Tim, N524JG, LNC4P, Ser# 411 ------=_NextPart_000_003F_01CAFC29.B6944730 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

I’ll check = Barry,

Thanks,

=

Tim

From: Lancair Mailing = List [mailto:lml@lancaironline.net] On = Behalf Of F. Barry Knotts
Sent: Tuesday, May 25, = 2010 3:13 PM
To: = lml@lancaironline.net
Subject: [LML] Re: = Pressurization problem

I don't know if it's possible, but could the pressurization adjustment knob been forced into a complete revolution? I'll bet that would confuse the system = into thinking it was on or under the ground at all times.

Just a thought.

Barry Knotts
LIV-P

zoelt@sio.midco.net wrote: =

Cabin won’t pressurize. Visitor = shopping for a 4P was sitting in cabin with a battery charger on the battery = supposedly studying the cheltons but I suspect he was pushing every button and = switch he could. Now pressure valve won’t close. I can hear the = dump switch and gear handle switch both clicking in the valve but it = doesn’t move up or down. Removed the valve and checked for travel. I = can manually close it on the bench but it immediately opens again. = With pressurized air flowing in (vacume cleaner hooked up in reverse) I can = depress the valve with my fingers and almost get it to seal but it immediately opens. Is there another safety switch in the pitot system somewhere? Any idea = where?

I’d appreciate any = advice.

Thanks,

Tim, N524JG, LNC4P, Ser# = 411

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