X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mxo5.broadbandsupport.net ([209.55.3.85] verified) by logan.com (CommuniGate Pro SMTP 5.2.12) with ESMTP id 3522756 for flyrotary@lancaironline.net; Sun, 01 Mar 2009 20:57:59 -0500 Received-SPF: pass receiver=logan.com; client-ip=209.55.3.85; envelope-from=candtmallory@cebridge.net Return-Path: Received: from [24.32.44.30] ([24.32.44.30:50391] helo=home) by mxo5.broadbandsupport.net (ecelerity 2.1.1.23 r(18304)) with ESMTP id 10/2D-17060-FFC3BA94 for ; Sun, 01 Mar 2009 20:57:20 -0500 From: "The Mallorys" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Re: Still low oil pressure Date: Sun, 1 Mar 2009 19:57:12 -0600 Message-ID: <000f01c99ada$355794d0$a006be70$@net> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0010_01C99AA7.EABD24D0" X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: Acma0+P0bOg04mOdQs20BqUvWmp0aQABjxNA Content-Language: en-us This is a multipart message in MIME format. ------=_NextPart_000_0010_01C99AA7.EABD24D0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit If there's a way to prime it, I'm all for trying. Anything beats pulling it off or apart again. Chris From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Mark Steitle Sent: Sunday, March 01, 2009 7:11 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Still low oil pressure Chris, Sounds to me like your oil pump is dry and isn't primed. If I'm correct, the only way to get it going is to either take the front cover off, remove the pump and prime it with Vasoline (I think that is what Lynn recommended), or pressurize the crankcase with 3-5 psi of air while cranking the engine over to try and force oil up into the pump to get it to prime. That's what I had to do to get my 20B oil pump going. Maybe someone else has a better suggestion. Mark S. On Sun, Mar 1, 2009 at 6:58 PM, The Mallorys wrote: No luck today. I filled the line out of the engine just after the pump, then cranked it over with the starter. I did get a little flow, but not very much. I reconnected the hose, and added components as I went, checking that I had oil flow after each. Still had flow after the cooler and just barely a trickle after the filter, where the oil should go back into the engine. From this I am thinking either I am not picking up enough oil, or the pump isn't pumping enough oil. The only way I can think to eliminate the oil pickup as a problem is to drop the pan, and feed directly into the engine from a container. This will be a little bit of a pain, as I will have to remove the radiator, drain the pan, then remove it. I don't know how to check the pump. Any ideas or suggestions? Is there a way to check it without removing the rear eccentric shaft bolt? It was a royal pain to remove last time, and I really don't want to have to remove it again if there is another way to check that the pump is pumping. I am not using the apex seal oil pump. All I did was cap off the hole on the outside of the block, and left all the internal parts. I don't think this should make a difference, but thought I would mention it in case. Chris ------=_NextPart_000_0010_01C99AA7.EABD24D0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

If there’s a way to prime it, I’m all for = trying. Anything beats pulling it off or apart again.

Chris

From:= Rotary = motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Mark = Steitle
Sent: Sunday, March 01, 2009 7:11 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Still low oil = pressure

Chris,

Sounds to me like your oil pump is dry and isn't primed. If I'm = correct, the only way to get it going is to either take the front cover off, = remove the pump and prime it with Vasoline (I think that is what Lynn recommended), = or pressurize the crankcase with 3-5 psi of air while cranking the engine = over to try and force oil up into the pump to get it to prime. That's what = I had to do to get my 20B oil pump going. Maybe someone else has a = better suggestion.

Mark S.

On Sun, Mar 1, 2009 at 6:58 PM, The Mallorys <candtmallory@cebridge.net&g= t; wrote:

No luck today.

I filled the line out of the engine just after the pump, then cranked = it over with the starter. I did get a little flow, but not very = much. I reconnected the hose, and added components as I went, checking that I = had oil flow after each. Still had flow after the cooler and just barely a trickle after the filter, where the oil should go back into the = engine. From this I am thinking either I am not picking up enough oil, or the = pump isn’t pumping enough oil.

The only way I can think to eliminate the oil pickup as a problem is = to drop the pan, and feed directly into the engine from a container. This = will be a little bit of a pain, as I will have to remove the radiator, drain the = pan, then remove it.

I don’t know how to check the pump. Any ideas or = suggestions? Is there a way to check it without removing the rear eccentric shaft = bolt? It was a royal pain to remove last time, and I really don’t want = to have to remove it again if there is another way to check that the pump is = pumping.

I am not using the apex seal oil pump. All I did was cap off = the hole on the outside of the block, and left all the internal parts. I = don’t think this should make a difference, but thought I would mention it in = case.

Chris

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