X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 08 Apr 2008 13:23:27 -0400 Message-ID: X-Original-Return-Path: Received: from mta21.charter.net ([216.33.127.81] verified) by logan.com (CommuniGate Pro SMTP 5.2.1) with ESMTP id 2837261 for lml@lancaironline.net; Tue, 08 Apr 2008 11:05:18 -0400 Received-SPF: pass receiver=logan.com; client-ip=216.33.127.81; envelope-from=LHenney@charter.net Received: from aarprv04.charter.net ([10.20.200.74]) by mta21.charter.net (InterMail vM.7.08.03.00 201-2186-126-20070710) with ESMTP id <20080408150429.PAEY23078.mta21.charter.net@aarprv04.charter.net> for ; Tue, 8 Apr 2008 11:04:29 -0400 Received: from LHenneyLaptop ([68.118.120.245]) by aarprv04.charter.net with ESMTP id <20080408150423.PIDC17353.aarprv04.charter.net@LHenneyLaptop> for ; Tue, 8 Apr 2008 11:04:23 -0400 From: "LHenney" X-Original-To: "Lancair List" Subject: Landing Gear pump inop X-Original-Date: Tue, 8 Apr 2008 10:04:24 -0500 X-Original-Message-ID: <00a801c89989$d6dc9a10$650fa8c0@LHenneyLaptop> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00A9_01C8995F.EE1BEED0" X-Mailer: Microsoft Office Outlook 11 Thread-Index: AciZeIdqCg92nm9HSmWP0/w4lRST9gAANgZQ X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 X-Chzlrs: 0 This is a multi-part message in MIME format. ------=_NextPart_000_00A9_01C8995F.EE1BEED0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit An alternative to cracking the line and getting hyd fluid out is to carry your trusty metal jumper. A screwdriver for example could be used to short across the pressure switch. That momemtary short will twitch the spool valve enough to get things going again. I prefer the dry sparking approach over the red goo. I've heard it can even be done airborne. There are those who would go so far as to install a secret switch behind the panel that would do the same thing (bypass the pressure switch). To each his own. Larry Henney N360LH 800 hrs (two occurrences of this particular anomaly) _____ From: Gigliotti, James M CTR USA [mailto:james.gigliotti@us.army.mil] Sent: Monday, April 07, 2008 8:04 PM To: lml@lancaironline.net Subject: RE: [LML] Re: Landing Gear pump inop Hello all, Just wanted to say thanks for all the input into my gear pump problem. I received 4 comments about the pressure probably being above the limit set on the up-limit switch (1200lbs), preventing my pump from turning on and raising the gear. I went to the airport on Friday to crack one of the lines open to relieve excess pressure. But before I did this, I turned my master on and the pump burped, indicating the pressure had relieved itself. Thanks for all the help. I'll carry a set of wrenches and a rag in case this happens again. It only happened once in 2 years of flying. From now on, I'll verify that the pump runs during my preflight. And after I shut down, I'll open- then close the dump valve to relieve static pressure. Thanks for all the help. Marv, thanks for running this service for us. The assistance is invaluable. Jim Gigliotti Lancair 320, 400 hrs. Dothan Alabama -----Original Message----- From: Gigliotti, James M CTR USA To: lml@lancaironline.net Sent: Fri, 4 Apr 2008 10:53 am Subject: [LML] Landing Gear pump inop Hmm. I hope I can make it to Sun N Fun! I went out for a short hop last night, and my gear didn't come up. Back on the ground, I recognized that the pump won't run in either direction. With the dump valve open, it should run continuously, but it doesn't. I don't think this will be a big problem, but I sure don't have much time over the next week to figure this out. I'm posting this with hopes someone on the list can help point me in the right direction, and save me lots of time troubleshooting. I suppose the problem must be in the switch, power supply, or continuity through either of my two circuit breakers. Please respond directly to my email address. Thanks for any suggestions... Jim Gigliotti Lancair 320, 400 hrs. N91LS Dothan Alabama 334-701-4580 ------=_NextPart_000_00A9_01C8995F.EE1BEED0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable RE: [LML] Re: Landing Gear pump inop

An alternative to cracking the line = and getting hyd fluid out is to carry your trusty metal jumper.  A = screwdriver for example could be used to short across the pressure switch.  = That momemtary short will twitch the spool valve enough to get things going again.  I prefer the dry sparking approach over the red goo.  = I’ve heard it can even be done airborne.  There are those who would go = so far as to install a secret switch behind the panel that would do the same = thing (bypass the pressure switch).  To each his = own.

 

Larry = Henney

N360LH

800 hrs (two occurrences of this particular anomaly)

 

From: = Gigliotti, James M CTR USA [mailto:james.gigliotti@us.army.mil]
Sent: Monday, April 07, = 2008 8:04 PM
To: = lml@lancaironline.net
Subject: RE: [LML] Re: = Landing Gear pump inop

 

Hello all,

Just wanted to say thanks for all the input into my gear pump problem.  = I received 4 comments about the pressure probably being above the limit = set on the up-limit switch (1200lbs), preventing my pump from turning on and = raising the gear.  I went to the airport on Friday to crack one of the = lines open to relieve excess pressure.  But before I did this, I turned my = master on and the pump burped, indicating the pressure had relieved = itself.

Thanks for all the help.  I'll carry a set of wrenches and a rag in case = this happens again.  It only happened once in 2 years of flying.  = From now on, I'll verify that the pump runs during my preflight.  And after = I shut down, I'll open- then close the dump valve to relieve static = pressure.

Thanks for all the help.  Marv, thanks for running this service for us. = The assistance is invaluable. 

Jim Gigliotti

Lancair 320, 400 hrs.
Dothan Alabama =

 

-----Original Message-----
        From: Gigliotti, = James M CTR USA <james.gigliotti@us.army.mil>
        To: = lml@lancaironline.net
        Sent: Fri, 4 Apr = 2008 10:53 am
        Subject: [LML] = Landing Gear pump inop
       
       
        Hmm.  I hope I = can make it to Sun N Fun!  I went out for a short hop last night, and my = gear didn't come up.  Back on the ground, I recognized that the pump = won't run in either direction.  With the dump valve open, it should run continuously, but it doesn't. 

        I don't think this will be a big problem, but = I sure don't have much time over the next week to figure this out.  I'm = posting this with hopes someone on the list can help point me in the right = direction, and save me lots of time troubleshooting.  I suppose the problem = must be in the switch, power supply, or continuity through either of my two = circuit breakers.  Please respond directly to my email = address.

        Thanks for any suggestions... =
        Jim Gigliotti =
        Lancair 320, 400 = hrs.
        N91LS =
        Dothan Alabama
        334-701-4580

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