X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao107.cox.net ([68.230.241.39] verified) by logan.com (CommuniGate Pro SMTP 5.2.1) with ESMTP id 2825983 for flyrotary@lancaironline.net; Mon, 31 Mar 2008 12:50:12 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.39; envelope-from=alventures@cox.net Received: from fed1rmimpo03.cox.net ([70.169.32.75]) by fed1rmmtao107.cox.net (InterMail vM.7.08.02.01 201-2186-121-102-20070209) with ESMTP id <20080331164932.EXUN6668.fed1rmmtao107.cox.net@fed1rmimpo03.cox.net> for ; Mon, 31 Mar 2008 12:49:32 -0400 Received: from BigAl ([72.192.137.74]) by fed1rmimpo03.cox.net with bizsmtp id 7spX1Z00R1cVYgg04spXZU; Mon, 31 Mar 2008 12:49:31 -0400 From: "Al Gietzen" To: "Rotary motors in aircraft" Subject: Oil metering port Date: Mon, 31 Mar 2008 08:52:35 -0800 Message-ID: <000601c8934f$9e86e840$6401a8c0@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0007_01C8930C.9063A840" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 This is a multi-part message in MIME format. ------=_NextPart_000_0007_01C8930C.9063A840 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Yesterday I removed one of the banjo bolts that serve as oil injection = ports on the housings of my 20B. In the bottom of the threaded bore I noticed = a slotted plug with hole in center. I wondered if the slot had something = to do with maybe distributing the oil to the tip seals. It looked like it was threaded in; so in my curiosity, I took a screwdriver to screw it out. = It turns, but doesn't appear to move up or down. What is it there for, and = did turning it do anything? I want to make sure it doesn't possibly move = inward and contact the tip seal. =20 BTW; the hole is threaded 10mm, 1.25 pitch; and a plug bolt should be a = max of about 12mm long. =20 Al ------=_NextPart_000_0007_01C8930C.9063A840 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Yesterday I removed one of the banjo bolts that = serve as oil injection ports on the housings of my 20B. In the bottom of the = threaded bore I noticed a slotted plug with hole in center. I wondered if the = slot had something to do with maybe distributing the oil to the tip seals. =  It looked like it was threaded in; so in my curiosity, I took a screwdriver = to screw it out.  It turns, but doesn’t appear to move up or down.  What is it there for, and did turning it do anything? =  I want to make sure it doesn’t possibly move inward and contact the tip = seal.

 

BTW; the hole is threaded 10mm, 1.25 pitch; and a = plug bolt should be a max of about 12mm long.

 

Al

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