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NAA restoration (long story)

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Big Mac

04-01-2007 05:42:13




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Good morning tractor buddies. I started a restoration on my 54 NAA about two years ago. I was well on my way when I was downsized. So, money being tight, I had to stop work. Now that my financial situation is better, I plan on starting up again. When I stopped, I had removed and rebuilt my lift cover and started to remove the axles as I had a seal leak on one wheel. My question is, after sitting for all that time without any fluids (trans,hyd,rear end) will I have to replace all the seals or is it an old wifes tale about seals drying out. Any help is greatly appreciated. Also, I am a big believer in buying genuine parts when possible. My axles need replacing and I have seen axles listed as available on the New Holland web site. Anyone know if these are aftermarket. Thanks again, Big Mac

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sotxbill

04-02-2007 14:51:38




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 Re: NAA restoration (long story) in reply to Big Mac, 04-01-2007 05:42:13  
seals will last about 40 years or so before leaking... your seals will have some ozone exposure on them but then again, they usually have exposure to ozone on the "dry" side anyway.

so .. replace the bad ones for sure.. replace the easyones if you can... at to the ones you already replaced... change them out in about 40 years or so....



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Dan

04-02-2007 10:24:37




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 Re: NAA restoration (long story) in reply to Big Mac, 04-01-2007 05:42:13  
Congrats - I did the same on my 1954 NAA Rustbucket. I would say replace the seals - they are fairly cjeap and you do not want to have to go back in there again. As far as the axles - I HIGHLY suggest not buying used. I tried this on my 1954 NAA and had to pull the wheels off two times more than needed to finally get everything nice and tight. Bite the bullet and buy two new axles, two new hubs, and two new axle nuts (the aftermarket nuts are wider and make contact with more threads - less stripping). I would not worry buying them from New Holland or on the aftermarket.

If you want to check out pics of my NAA project - check out my website below.

Good luck,
Dan

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Grampa Leon

04-01-2007 06:08:55




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 Re: NAA restoration (long story) in reply to Big Mac, 04-01-2007 05:42:13  
Years ago the sealing surfaces of seals where made of leather,they were subjet to drying out and becoming stiff,and some what ineffective,at the time service manuals instructions was to "soak" seals in oil prior to installation to soften.Current production methods using mostly synthetic materials eliminate this drying effect.
I would suggest replacing any previously installed seals.New axle replacement,you are probably at the mercy of after market.

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