Return-Path: Received: from [129.116.87.170] (HELO MAIL01.austin.utexas.edu) by logan.com (CommuniGate Pro SMTP 4.3c2) with ESMTP id 764335 for flyrotary@lancaironline.net; Tue, 01 Mar 2005 08:54:22 -0500 Received-SPF: none receiver=logan.com; client-ip=129.116.87.170; envelope-from=mark.steitle@austin.utexas.edu X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C51E66.1125DE17" Subject: RE: [FlyRotary] testing injectors Date: Tue, 1 Mar 2005 07:53:37 -0600 Message-ID: <87DBA06C9A5CB84B80439BA09D86E69EC07FED@MAIL01.austin.utexas.edu> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [FlyRotary] testing injectors Thread-Index: AcUeBbbc9orxE+iTSgWYmaE3VQz75AAX5fWQ From: "Mark R Steitle" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01C51E66.1125DE17 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Paul, My injectors sat for quite a while and got all dried out inside. There must have been some gasoline left in the fuel rails and injectors that dried out over time. When I went to use them, they wouldn't "click". I sprayed some carb cleaner into the inlets and let it sit and soften up the gasoline residue. Tested them again (+12v) and they started working and seem fine now. No, I didn't try the 16# hammer approach. ;-) =20 =20 Mark S. =20 ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Paul Sent: Monday, February 28, 2005 8:23 PM To: Rotary motors in aircraft Subject: [FlyRotary] testing injectors =20 I recall someone posting that you could test to see if an injector is firing by just attaching 12 volts + and - to the two pins of the injectors, and you should hear a click. Is this a very subtle click, or fairly loud and easy to hear? I have the peak and hold type injectors if that matters at all. (72 lb/hr). I touched the two wires to the injector's pins, and I believe I was only hearing the faint spark caused by the wires making contact. After about 5 seconds with the two wires still touching the pins, the injector got pretty hot. Sound terminal or normal?=20 I called Dave Atkins and he said to send the injector to him, and he would check it out. If need be, he has replacement injectors. Don't know the cost (don't really care, just want one). Sounded like he was in a hurry, so I didn't keep him on the phone. Thanks for any info you guys might have to offer regarding testing the injectors, etc. Paul Conner ------_=_NextPart_001_01C51E66.1125DE17 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Paul,

My injectors sat for quite a while = and got all dried out inside.  There must have been some gasoline left in = the fuel rails and injectors that dried out over time.  When I went to use = them, they wouldn’t “click”.  I sprayed some carb cleaner = into the inlets and let it sit and soften up the gasoline residue.  Tested = them again (+12v) and they started working and seem fine now.  No, I = didn’t try the 16# hammer approach.  ;-)   

 

Mark = S.

 

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Paul
Sent: Monday, February = 28, 2005 8:23 PM
To: Rotary motors in = aircraft
Subject: [FlyRotary] = testing injectors

 

I recall someone posting that you could test to see = if an injector is firing by just attaching 12 volts + and - to the two pins of = the injectors, and you should hear a click.  Is this a very subtle = click, or fairly loud and easy to hear?  I have the peak and hold type = injectors if that matters at all. (72 lb/hr).  I touched the two wires to the injector's pins, and I believe I was only hearing the faint spark caused = by the wires making contact.  After about 5 seconds with the two wires = still touching the pins, the injector got pretty hot. Sound terminal or = normal? 

      I called Dave Atkins = and he said to send the injector to him, and he would check it out. If need be, = he has replacement injectors. Don't know the cost (don't really care, just want = one). Sounded like he was in a hurry, so I didn't keep him on the phone. = Thanks for any info you guys might have to offer regarding testing the injectors, etc.  Paul Conner

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