X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Mon, 23 Mar 2009 12:59:30 -0400 Message-ID: X-Original-Return-Path: Received: from imo-m14.mx.aol.com ([64.12.138.204] verified) by logan.com (CommuniGate Pro SMTP 5.2.13) with ESMTP id 3555977 for lml@lancaironline.net; Mon, 23 Mar 2009 00:21:31 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.138.204; envelope-from=PTACKABURY@aol.com Received: from PTACKABURY@aol.com by imo-m14.mx.aol.com (mail_out_v39.1.) id q.c25.583f8146 (39329) for ; Mon, 23 Mar 2009 00:20:54 -0400 (EDT) From: PTACKABURY@aol.com X-Original-Message-ID: X-Original-Date: Mon, 23 Mar 2009 00:21:06 EDT Subject: Re: [LML] Crankcase pressurization X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1237782066" X-Mailer: AOL 9.1 sub 5006 X-Spam-Flag: NO -------------------------------1237782066 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Fred: My hangar partner has a Piper twin with Continental 360s. He was losing oil from his right engine and after a LOT of trial and error he and his IA (he is an A&P) decided to try the same procedure as you have suggested below. He used a vacuum cleaner exhaust to pressurize the crank case and some soapy water to check for leaks. The front crankshaft seal blew bubbles and he found it was damaged upon removal. He has replaced the seal and is confident the problem is solved but I can not give you the bottom line because the annual and subsequent flight are still to be completed. Good luck! paul, LIV N94PT still going strong In a message dated 3/22/2009 1:14:35 P.M. Pacific Daylight Time, frederickmoreno@bigpond.com writes: My next step is to pull the breather tube off the air oil separator and use some low pressure compressed air to pressurize the crankcase (engine off) and see if I can find some leaks. **************Feeling the pinch at the grocery store? Make meals for Under $10. (http://food.aol.com/frugal-feasts?ncid=emlcntusfood00000002) -------------------------------1237782066 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
Fred:  My hangar partner has a Piper twin with Continental 360s.&n= bsp;=20 He was losing oil from his right engine and after a LOT of trial and error h= e=20 and his IA (he is an A&P) decided to try the same procedure as you have=20 suggested below.  He used a vacuum cleaner exhaust to pressurize the cr= ank=20 case and some soapy water to check for leaks.  The front crankshaft sea= l=20 blew bubbles and he found it was damaged upon removal.  He has replaced= the=20 seal and is confident the problem is solved but I can not give you the botto= m=20 line because the annual and subsequent flight are still to be completed.
Good luck!
paul, LIV N94PT still going strong
 
In a message dated 3/22/2009 1:14:35 P.M. Pacific Daylight Time,=20 frederickmoreno@bigpond.com writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D3>= My next=20 step is to pull the breather tube off the air oil separator and use some l= ow=20 pressure compressed air to pressurize the crankcase (engine off) and see i= f I=20 can find some=20 leaks.

= Feeling the pinch at the grocery store? Make meals for under $10.<= /DIV> -------------------------------1237782066--