X-CGP-ClamAV-Result: CLEAN X-VirusScanner: Niversoft's CGPClamav Helper v1.23.0 (ClamAV engine v0.103.0) X-Junk-Score: 0 [] X-KAS-Score: 0 [] From: " 12348ung@gmail.com" Received: from mail-pg1-f175.google.com ([209.85.215.175] verified) by logan.com (CommuniGate Pro SMTP 6.3.13) with ESMTPS id 1900125 for flyrotary@lancaironline.net; Wed, 22 Mar 2023 16:20:05 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.215.175; envelope-from=12348ung@gmail.com Received: by mail-pg1-f175.google.com with SMTP id k15so10563172pgt.10 for ; Wed, 22 Mar 2023 13:20:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1679516386; h=content-language:thread-index:mime-version:message-id:date:subject :in-reply-to:references:to:from:from:to:cc:subject:date:message-id :reply-to; bh=90oHIGoPYvrguV8Fpfmhi99eKFK13ymPjtDmGpUvR/w=; b=YyVCGzkLurpDhDLSECNrtQleLKdfgSVY4kH83hOtFTHvkuPWhnOeUSV8zYVCiXyvlK DfR2wgP/gZMFNFQl9B7bkjS2yffKgmEuylzJk+DLHCQAqRRRNFi9ORzsc8PRYX8G9jBL Xy4rEmgUC6gCxbJwfnAB3FKTAg5/ri95MeJyKPhmf9CZKl/8mLDixiB4VVdWvhGReiUR bV+2BWJ4NfQLWvQva9knt2rHc4Vktt15Sprfb63x4NO8Lh+WPIfgTS1pHEsUexVH9rTh DqEjP85ljFCqC89WKkSiwofJjAfEFFzOLMOPkwNgmQTzdtDDxAvonyYThLPAU8K7j3AC eUgQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679516386; h=content-language:thread-index:mime-version:message-id:date:subject :in-reply-to:references:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=90oHIGoPYvrguV8Fpfmhi99eKFK13ymPjtDmGpUvR/w=; b=eBxiixz0wfvRdz6Wjw6hsTCavHt7qLEti08t7M61lOVhxhMGe+rkPEoDRF1QD56/rH xzySmwQnBgZDCVN5wDXb/7gX9YpdjzUYBqxz3iSVPnvRIL1Ky0dWM1NRIo79swUOthPL wy/Z54qgZ+sI2oEjdlhubXzUNRgSlljHgQpXjutuA8uxv7CkJdtgimaxwKWHFmAPV3eY MNOfmy4M0/8SRpUlq63nl4jPwY+MFs49Ksnnh7ra179b2VPzxzoUDH4MPKcR0jocbTpE hAZjtzhR84o8xQ4fOq/CUyUCPlsOfDh36xD8yYRx96pgi/XCATBwSkO2XHkiSRwhxLzB 4xGw== X-Gm-Message-State: AO0yUKXS9uP9ek4+3xFEgsYluT+iwJRC5YrjVBOdpzj4C9Azn+1ZDK7H EPd1S2DS3A+khKBpqsuxqV7eFFx2WFs= X-Google-Smtp-Source: AK7set8rIDgI7/WxmqMYai7BCejtPYnM13MNJDSi/xarymN1JCfBshMz8aWWL9EWa6t+wWOoo/y/Ug== X-Received: by 2002:a62:cfc1:0:b0:623:c943:a2f8 with SMTP id b184-20020a62cfc1000000b00623c943a2f8mr3827785pfg.20.1679516384836; Wed, 22 Mar 2023 13:19:44 -0700 (PDT) Return-Path: <12348ung@gmail.com> Received: from UserPC ([103.198.24.78]) by smtp.gmail.com with ESMTPSA id a14-20020a62e20e000000b00625d84a0194sm10511740pfi.107.2023.03.22.13.19.43 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 22 Mar 2023 13:19:44 -0700 (PDT) To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Re: eccentric shaft pulley bolt removal Date: Thu, 23 Mar 2023 07:19:41 +1100 Message-ID: <001e01d95cfb$a3924880$eab6d980$@gmail.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001F_01D95D57.D7050A70" X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQDLLUaTDPI5BEn0b/Z2XzQzJWQQG7EjnDZw Content-Language: en-us This is a multipart message in MIME format. ------=_NextPart_000_001F_01D95D57.D7050A70 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Marc, Sounds to me that some genius included Loctite in the = assembly? Definitely not needed. Anyway congratulations. Neil. =20 From: Rotary motors in aircraft =20 Sent: Thursday, March 23, 2023 3:08 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: eccentric shaft pulley bolt removal =20 All, Got the eccentric pulley bolt off. Took a 3/4=E2=80=9D 18mm high impact = socket, a 4=E2=80=99 3/4=E2=80=9D steel breaker bar, 1 4=E2=80=99 pipe = extension on said breaker bar, a 4=E2=80=99 pipe extension on the = flywheel 4=E2=80=99 =E2=80=98holding=E2=80=99 bar, and a backhoe to hold = the flywheel bar down. The steel breaker bar deflected at least = 4=E2=80=9D on the shaft till the bolt popped loose. I thought it might = break! This is the worst I have found rebuilding several 13B engines.=20 I didn=E2=80=99t have enough 1/2=E2=80=9D air supply for the huge = 3/4=E2=80=9D IR air impact wrench I had, and doubt that would have = worked. And it=E2=80=99s rated at 1225 ft lbs.=20 M Sent from my iPad On Mar 21, 2023, at 1:57 PM, flyrotary@lancaironline.net = wrote: =EF=BB=BF Marc, =20 I found a torque wrench with 900 ft lbs of torque will get it off = without having to wrestle a rotating engine block. I struggled as you = did and found this always worked for me. A tool rental place should = have one. Works well on the flywheel nut as well. =20 Ed =20 ------ Original Message ------ From "Marc Wiese cardmarc@charter.net " = > To "Rotary motors in aircraft" > Date 3/20/2023 4:05:39 PM Subject [FlyRotary] eccentric shaft pulley bolt removal =20 Fellows, Been trying to tear down an extra FD engine and I=E2=80=99m having a = devil of a time getting the front pulley eccentric bolt off. The = flywheel nut has already been removed. I did put the counterweight and = flywheel nut back on to be able to bolt a bar to the counterweight to = keep the eccentric shaft from turning when trying to get the eccentric = bolt off. Here is what I have tried so far: breaker bar extension pipe = (+3=E2=80=99); propane torch on bolt for 2 min to break any sealant (?); = impact wrench-nada; sledge hammer on breaker bar; solvent. Nothing worked. The engine just lifts off the floor with more torque. = Does it take a gorilla to get this nut off??? Any ideas how to get this dam bolt off? M ------=_NextPart_000_001F_01D95D57.D7050A70 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable

Marc,

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Sounds to me that some genius included = Loctite in the assembly?=C2=A0 Definitely not needed. Anyway = congratulations.=C2=A0=C2=A0 Neil.

 

From: Rotary motors in aircraft = <flyrotary@lancaironline.net>
Sent: Thursday, March 23, = 2023 3:08 AM
To: Rotary motors in aircraft = <flyrotary@lancaironline.net>
Subject: [FlyRotary] Re: = eccentric shaft pulley bolt removal

 

All,

Got the = eccentric pulley bolt off. Took a 3/4=E2=80=9D 18mm high impact socket, = a 4=E2=80=99 3/4=E2=80=9D steel breaker bar, 1 4=E2=80=99 pipe extension = on said breaker bar, a 4=E2=80=99 pipe extension on the flywheel = 4=E2=80=99 =E2=80=98holding=E2=80=99 bar, and a backhoe to hold the = flywheel bar down. The steel breaker bar deflected at least 4=E2=80=9D = on the shaft till the bolt popped loose. I thought it might = break!

This is the worst I = have found rebuilding several 13B = engines. 

I = didn=E2=80=99t have enough 1/2=E2=80=9D air supply for the huge = 3/4=E2=80=9D IR air impact wrench I had, and doubt that would have = worked. And it=E2=80=99s rated at 1225 ft = lbs. 

M

Sent from my iPad



On Mar 21, 2023, at 1:57 PM, flyrotary@lancaironline.net wrote:

=EF=BB=BF

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