X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 10 Apr 2008 01:11:01 -0400 Message-ID: X-Original-Return-Path: Received: from colossus.formysite.com ([64.58.34.10] verified) by logan.com (CommuniGate Pro SMTP 5.2.1) with ESMTPS id 2840303 for lml@lancaironline.net; Wed, 09 Apr 2008 13:57:33 -0400 Received-SPF: none receiver=logan.com; client-ip=64.58.34.10; envelope-from=genemartin@enid.com Received: from gene ([66.138.13.85]) by colossus.formysite.com (8.12.8/8.12.8) with SMTP id m39GunMb008049 for ; Wed, 9 Apr 2008 11:56:51 -0500 X-Original-Message-ID: <004001c89a62$dc62e3c0$0a01a8c0@gene> From: "genemartin" X-Original-To: "Lancair Mailing List" References: Subject: Re: [LML] Landing Gear pump inop X-Original-Date: Wed, 9 Apr 2008 11:57:17 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_003D_01C89A38.DBF0DA20" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 This is a multi-part message in MIME format. ------=_NextPart_000_003D_01C89A38.DBF0DA20 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable RE: [LML] Re: Landing Gear pump inopI installed a momentary push button = switch across the down side pres. switch only to do that . Works great Gene Martin ----- Original Message -----=20 From: LHenney=20 To: lml@lancaironline.net=20 Sent: Tuesday, April 08, 2008 12:23 PM Subject: [LML] 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. =20 Larry Henney N360LH 800 hrs (two occurrences of this particular anomaly) =20 -------------------------------------------------------------------------= ----- From: Gigliotti, James M CTR USA [mailto:james.gigliotti@us.army.mil]=20 Sent: Monday, April 07, 2008 8:04 PM To: lml@lancaironline.net Subject: RE: [LML] Re: Landing Gear pump inop =20 Hello all,=20 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. =20 Jim Gigliotti=20 Lancair 320, 400 hrs.=20 Dothan Alabama=20 =20 -----Original Message-----=20 From: Gigliotti, James M CTR USA = To: lml@lancaironline.net=20 Sent: Fri, 4 Apr 2008 10:53 am=20 Subject: [LML] Landing Gear pump inop=20 =20 =20 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. =20 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...=20 Jim Gigliotti=20 Lancair 320, 400 hrs.=20 N91LS=20 Dothan Alabama=20 334-701-4580=20 ------=_NextPart_000_003D_01C89A38.DBF0DA20 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable RE: [LML] Re: = Landing Gear pump inop
I installed a momentary push button = switch across=20 the down side pres. switch only to do that . Works great
Gene Martin
----- Original Message -----
From:=20 LHenney=20
Sent: Tuesday, April 08, 2008 = 12:23=20 PM
Subject: [LML] Landing Gear = pump=20 inop

An = alternative to=20 cracking the line and getting hyd fluid out is to carry your trusty = metal=20 jumper.  A screwdriver for example could be used to short across = the=20 pressure switch.  That momemtary short will twitch the spool = valve enough=20 to get things going again.  I prefer the dry sparking approach = over the=20 red goo.  I=92ve heard it can even be done airborne.  There = are those=20 who would go so far as to install a secret switch behind the panel = that would=20 do the same thing (bypass the pressure switch).  To each his=20 own.

 

Larry=20 Henney

N360LH

800 hrs = (two=20 occurrences of this particular anomaly)

 

From:=20 Gigliotti, James M CTR USA=20 [mailto:james.gigliotti@us.army.mil]
Sent: Monday, April 07, 2008 = 8:04=20 PM
To:=20 lml@lancaironline.net
Subject: RE: [LML] Re: Landing = Gear pump=20 inop

 

Hello all, =

Just wanted to say = thanks for all=20 the input into my gear pump problem.  I received 4 comments about = the=20 pressure probably being above the limit set on the up-limit switch = (1200lbs),=20 preventing my pump from turning on and raising the gear.  I went = to the=20 airport on Friday to crack one of the lines open to relieve excess=20 pressure.  But before I did this, I turned my master on and the = pump=20 burped, indicating the pressure had relieved=20 itself.

Thanks for all the = help. =20 I'll carry a set of wrenches and a rag in case this happens = again.  It=20 only happened once in 2 years of flying.  >From now on, I'll = verify=20 that the pump runs during my preflight.  And after I shut down, = I'll=20 open- then close the dump valve to relieve static=20 pressure.

Thanks for all the = help. =20 Marv, thanks for running this service for us. The assistance is=20 invaluable. 

Jim = Gigliotti=20

Lancair 320, 400=20 hrs.
Dothan=20 Alabama=20

 

-----Original=20 Message----- =
       =20 From: Gigliotti, = James M=20 CTR USA=20 <james.gigliotti@us.army.mil>=20
        To:=20 lml@lancaironline.net=20
        Sent: Fri, 4=20 Apr 2008 10:53 am =
       =20 Subject: [LML] = Landing=20 Gear pump inop =
       =20
       =20
        Hmm.  I=20 hope I can make it to Sun N Fun!  I went out for a short hop last = night,=20 and my gear didn't come up.  Back on the ground, I recognized = that the=20 pump won't run in either direction.  With the dump valve open, it = should=20 run continuously, but it doesn't. 

       =20 I don't think = this will be=20 a big problem, but I sure don't have much time over the next week to = figure=20 this out.  I'm posting this with hopes someone on the list can = help point=20 me in the right direction, and save me lots of time = troubleshooting.  I=20 suppose the problem must be in the switch, power supply, or continuity = through=20 either of my two circuit breakers.  Please respond directly to my = email=20 address.

       =20 Thanks for any=20 suggestions... =
       =20 Jim Gigliotti=20
        Lancair 320, 400 = hrs.=20
        N91LS=20
        = Dothan Alabama=20
        334-701-4580=20

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