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jill(at)m-14p.com
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 Posted: Mon Jun 17, 2013 7:06 am Post subject: Nylon/fiber locking nuts |
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Group,
I wanted to clear up a misunderstanding about the use of nylon /fiber locking nuts on aircraft engines and accessories:
Under the U.S. Air Force Technical Order 1 – 1A-8, Sections 5-33 a., 5-49 thru 5-51 the use of these nuts are discussed:
“Non-metallic insert, self-locking nuts shall not be subjected to temperatures in excess of 250 degrees Fahrenheit in accordance with Military Specification MIL-N-25027.”
And
“Self-Locking nuts may be used to secure rocker box covers for all air-cooled engines. They are also used on any engines in locations that are specified by the manufacturer on his assembly drawings, parts list and bill of material or where their use is shown in the Illustrated Parts Breakdown for a particular type and model of engine or accessory.”
If I am not mistaken, Jacobs used nylock or fiber insert nuts for their cylinder base nuts. Not all parts of the engine are subject to extreme heat and the use of this hardware would be acceptable.
Jill
M-14P, Inc.
[quote][b]
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tigeryak18t
Joined: 26 Sep 2009
Posts: 233
Location: PARIS FRANCE
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| Posted: Mon Jun 17, 2013 7:41 am Post subject: Nylon/fiber locking nuts |
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Thanks Jill
BUT in the M14P I am not aware of any fiber locking nut????
It seems to me that all nuts are wired locked
Can anyone confirm??
Didier
2013/6/17 Jill Gernetzke <jill(at)m-14p.com (jill(at)m-14p.com)>
| Quote: |
Group,
I wanted to clear up a misunderstanding about the use of nylon /fiber locking nuts on aircraft engines and accessories:
Under the U.S. Air Force Technical Order 1 – 1A-8, Sections 5-33 a., 5-49 thru 5-51 the use of these nuts are discussed:
“Non-metallic insert, self-locking nuts shall not be subjected to temperatures in excess of 250 degrees Fahrenheit in accordance with Military Specification MIL-N-25027.”
And
“Self-Locking nuts may be used to secure rocker box covers for all air-cooled engines. They are also used on any engines in locations that are specified by the manufacturer on his assembly drawings, parts list and bill of material or where their use is shown in the Illustrated Parts Breakdown for a particular type and model of engine or accessory.”
If I am not mistaken, Jacobs used nylock or fiber insert nuts for their cylinder base nuts. Not all parts of the engine are subject to extreme heat and the use of this hardware would be acceptable.
Jill
M-14P, Inc.
| Quote: |
et="_blank">http://www.matronics.com/Navigator?Yak-List
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--
____________________________
Didier BLOUZARD
Directeur Général DATEXIS Portable : +33 6 51 84 48 02
Email: didier.blouzard(at)gmail.com (didier.blouzard(at)anolistech.fr)
[quote][b]
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Didier Tiger YAK18T
Member of Commemorative Air Force
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viperdoc(at)mindspring.co
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| Posted: Mon Jun 17, 2013 11:33 am Post subject: Nylon/fiber locking nuts |
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They are if you are referring to cotter pins?
Doc
Sent from my iPad
On Jun 17, 2013, at 10:39 AM, Didier Blouzard <didier.blouzard(at)gmail.com (didier.blouzard(at)gmail.com)> wrote:
[quote]Thanks Jill
BUT in the M14P I am not aware of any fiber locking nut????
It seems to me that all nuts are wired locked
Can anyone confirm??
Didier
2013/6/17 Jill Gernetzke <jill(at)m-14p.com (jill(at)m-14p.com)>
| Quote: |
Group,
I wanted to clear up a misunderstanding about the use of nylon /fiber locking nuts on aircraft engines and accessories:
Under the U.S. Air Force Technical Order 1 – 1A-8, Sections 5-33 a., 5-49 thru 5-51 the use of these nuts are discussed:
“Non-metallic insert, self-locking nuts shall not be subjected to temperatures in excess of 250 degrees Fahrenheit in accordance with Military Specification MIL-N-25027.â€
And
“Self-Locking nuts may be used to secure rocker box covers for all air-cooled engines. They are also used on any engines in locations that are specified by the manufacturer on his assembly drawings, parts list and bill of material or where their use is shown in the Illustrated Parts Breakdown for a particular type and model of engine or accessory.â€
If I am not mistaken, Jacobs used nylock or fiber insert nuts for their cylinder base nuts. Not all parts of the engine are subject to extreme heat and the use of this hardware would be acceptable.
Jill
M-14P, Inc.
|
--
____________________________
Didier BLOUZARD
Directeur Général DATEXIS Portable : +33 6 51 84 48 02
Email: didier.blouzard(at)gmail.com (didier.blouzard(at)anolistech.fr)
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