Return-Path: Received: from imf25aec.mail.bellsouth.net ([205.152.59.73] verified) by logan.com (CommuniGate Pro SMTP 4.2.8) with ESMTP id 617169 for flyrotary@lancaironline.net; Sat, 22 Jan 2005 00:13:47 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.73; envelope-from=sqpilot@bellsouth.net Received: from [209.214.45.185] by imf25aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050122051316.USRB2518.imf25aec.mail.bellsouth.net@[209.214.45.185]> for ; Sat, 22 Jan 2005 00:13:16 -0500 Received: from 127.0.0.1 (AVG SMTP 7.0.300 [265.7.1]); Fri, 21 Jan 2005 23:13:07 -0600 Message-ID: <038a01c50041$0e318dd0$b92dd6d1@paul52u7f5qyav> From: "Paul" To: "Rotary motors in aircraft" Subject: alternator problem fixed Date: Fri, 21 Jan 2005 23:13:05 -0600 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="=======AVGMAIL-41F1E0E35DE8=======" --=======AVGMAIL-41F1E0E35DE8======= Content-Type: multipart/alternative; boundary="----=_NextPart_000_0387_01C5000E.C375DA30" ------=_NextPart_000_0387_01C5000E.C375DA30 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Well, I finally solved my alternator problem. Just a quick recap of = events...First, the alternator blew a 70 amp fuse. Flew a couple of = short flights with alternator inoperative. Started checking wiring. Had = 12 volts at alternator plug (the one that excites the field). Decided = to remove alternator and purchase a new one. I brought the alternator = to O'Reilly Autoparts, where they put it on their test machine and it = was only putting out 9volts. alternator not in stock...They would have = to order one. Went to CarQuest. Same problem....special order. While I = was at the counter, and playing with the alternator, I noticed that the = vanes on the cooling fan were shiny. Further inspection showed qouges = out ot the fins. Further inspection showed a screw inside the housing = that was wedged into the windings. (I had taken this alternator to a = local alternator/starter rebuilding shop a month earlier). I brought it = back to him, he took it apart, trashed the bad parts and sent me on my = way with a newly repaired alternator and an appoloy. I reinstalled the = alternator on my plane, fired it up and it now indicates 14 volts while = the engine is running. I believe that the screw that went through the = fins and jammed into the field wiring had a detrimental effect on the = alternator, and probably contributed to the fuse blowing as well. The = screw was originally one of four that were inside the alternator. The = other 3 were tight. The one that came loose and caused all the havoc = came out because the insulator that it held in place was cracked. Paul, = got the electrons flowing again, Conner ------=_NextPart_000_0387_01C5000E.C375DA30 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable

Well, I finally solved my alternator = problem. Just=20 a quick recap of events...First, the alternator blew a 70 amp = fuse. Flew a=20 couple of short flights with alternator inoperative. Started checking = wiring.=20 Had 12 volts at alternator plug (the one that excites the field). = Decided=20 to remove alternator and purchase a new one. I brought the = alternator to=20 O'Reilly Autoparts, where they put it on their test machine and it was = only=20 putting out 9volts. alternator not in stock...They would have to = order=20 one. Went to CarQuest. Same problem....special order. While = I was at=20 the counter, and playing with the alternator, I noticed that the vanes = on the=20 cooling fan were shiny. Further inspection showed qouges out ot the = fins.=20 Further inspection showed a screw inside the housing that was wedged = into the=20 windings. (I had taken this alternator to a local = alternator/starter=20 rebuilding shop a month earlier). I brought it back to him, he = took it=20 apart, trashed the bad parts and sent me on my way with a newly repaired = alternator and an appoloy. I reinstalled the alternator on my = plane, fired=20 it up and it now indicates 14 volts while the engine is = running. I=20 believe that the screw that went through the fins and jammed into the = field=20 wiring had a detrimental effect on the alternator, and probably = contributed to=20 the fuse blowing as well. The screw was originally one of four = that were=20 inside the alternator. The other 3 were tight. The one that came loose = and=20 caused all the havoc came out because the insulator that it held in = place was=20 cracked. Paul, got the electrons flowing again, = Conner

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