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Tractor Talk Discussion Forum

Leather Seals

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Dan in Ore

09-26-2003 11:01:24




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I am restoring an F-14. It has leather seals on the axles and I am sure other parts. It is quite apparent that the seals have been leaking. I would like to know if there is some way to rejuvinate the leather or am I doomed to look for neoprene replacements.

There is also an appreciable amount of wear on the axles (haven't got to the other shafts yet) and I reallly don't want to take them out and build them up and turn them down in the lathe. Should I go with an 1/8" smaller ID seal (1-1/2 instead of 1-15/8).

Any suggestions are welcome and appreciated.

Dan

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Rod (NH)

09-26-2003 12:08:54




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 Re: Leather Seals in reply to Dan in Ore, 09-26-2003 11:01:24  
Hi Dan,

Have you considered the possibility of using a speedi sleeve? See how I used one here to replace a leather seal on a grooved shaft.

third party image Rod



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Dan in Ore

09-27-2003 18:16:48




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 Re: Re: Leather Seals in reply to Rod (NH), 09-26-2003 12:08:54  
I checked into the speedi-sleeve and learned in the size that I need you must heat it to about 350 to 400 degrees and slip it over the shaft then let it cool and shrink onto the shaft. Since I don't have a reliable way to heat the sleeve evenly and didn't want to just throw the money out the window I decided to take another approach.

I have the left axle in the lathe right now. I have ground out the affected area and filled it with JB Weld. I will let it set overnight and then grind it down to match the shaft diameter. This should give me a fresh surface area for the seal to ride on.

Thanks for the info on the speedi-sleeve though.

Dan

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Gene Davis(Ga.)

09-28-2003 20:26:14




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 Re: Re: Re: Leather Seals in reply to Dan in Ore, 09-27-2003 18:16:48  
A good reliable and even way to heat bearings and etc is an electric skillet, or deep fryer that has an oil in it that can stand the temperature that you need to heat to, the thermostat will keep you from overheating the item and will hold it at that temp while you get everything else ready.



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Dan in Ore

09-29-2003 17:15:41




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 Re: Re: Re: Re: Leather Seals in reply to Gene Davis(Ga.), 09-28-2003 20:26:14  
I was a bit leary of this project, because the Speedi-Sleeve is so thin and there is a lot of axle to go over to get where it has to be. I was afraid that it would cool down on the way up the shaft and would stop about half way. If that happened I wouldn't be able to heat it up again without using my oxy-accetylene torch. I don't want to put that on something that thin. as far as heating the sleeve, I have a toaster oven that I could take out to the shop. I guess I am just a big chicken.

That said, I can see many uses for the Speedi-Sleeve and will probably use it on other projects.

Dan

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george md

09-27-2003 20:57:42




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 Re: Re: Re: Leather Seals in reply to Dan in Ore, 09-27-2003 18:16:48  
Dan,

being that you have it in the lathe what you

need is metal spray ( spray weld ) .Shame you are

on the other coast , I'd squirt it for you .

george



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Dan in Ore

09-28-2003 02:24:55




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 Re: Re: Re: Re: Leather Seals in reply to george md, 09-27-2003 20:57:42  
Our machinist at work has that capability and doesn't mind doing things for people, however an F-14 axle shaft isn't something that you stick in your pocket so you can get it past the maintenance supervisor. I feel confident this will hold. I have used JB Weld on a lot of stuff and am convinced it is no less than great. I roughed up the shaft pretty good to give it something to grab on to and after I put the JB weld on I wrapped it with a piece of heavy card stock to keep it from running out. Then I put the small ring compressor around that to keep everything round. I have a tool post grinder for my South Bend 16 X 60 lathe so that should give me a good smooth surface to work with.

Thanks for the info and the offer.

Dan

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BillD

09-26-2003 14:14:41




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 Re: Re: Leather Seals in reply to Rod (NH), 09-26-2003 12:08:54  
Thanks for sharing that great information



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