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Harry Ferguson Tractors Discussion Forum
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TEA20 Hydraulics

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Bob , Hay Bay

06-21-2006 18:49:22




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Have just completed rebuild of a TEA2085 and all is well except: raising the hand control lever results in the the lift arms rising to their full extent,lowering the control lever to a certain point and they drop completely. There's a delicate point where I can keep the arms +/- stable, but even then they are slowly rising or falling. I reassembled the hydraulics carefully. The service manual explains the functions well but I can't see where the fault lies. Any solutions? perhaps John will know. By the way, how old is John? One other thing, my solution to leaking rear axle seals is Sure Seals plus spraying ALL outer gaskets and shims on BOTH SIDES with a gasket sealant. Thanks to a great web site, Bob P

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Bob, Hay Bay

06-22-2006 11:36:51




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 Re: TEA20 Hydraulics in reply to Bob , Hay Bay, 06-21-2006 18:49:22  
Thanks Barry and John. Yes it is that Hay Bay. You must be near McKeown"s Massey Ferguson dealership.(John- this is in eastern Ontario Canada) My 8N has position control - was this a feature that Harry F. had to forego in the lawsuit with Henry F.?Seems like a serious deletion. My control spring is slack-I tried to turn the yoke on the control spring plunger but it is seized and I realized that any force is transmitted to the control spring fork- don"t want to hear any snapping sounds! Maybe I"ll have to re-remove the top assembly to unseize it safely. I"ll contact Zane. Thank you both. John, I"m a few years older but you are the wiser. Bob Prentice

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John (UK)

06-22-2006 12:42:50




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 Re: TEA20 Hydraulics in reply to Bob, Hay Bay, 06-22-2006 11:36:51  
The non-fitment of position control was nothing to do with the Ford thing at all, they actually had it for some equipment but they decided not to fit it for some reason, don't forget that the tractor was designed before the war and it was to replace horses, only when they started selling them did people realise just what they could do so they used them for lots of things other than plowing. Harry being Harry didn't want to deviate from his original idea. don't also forget that the Ford 9N and 2N that used the Ferguson hydraulics, didn't have it either, it was introduced on the TO35 in 1954, we didn't get it in UK until 1956 on the FE35 and the Ford Dexta which was the equivalent of the 8N but with a diesel was introduced about the same time, we never had the 8N so these were the first tractors we had with position control. When these tractors with position control were introduced, not many had a use for it, it is only in later years that it has been used more widely as people found more and more uses for it.

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Barry from Stirling

06-22-2006 06:27:06




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 Re: TEA20 Hydraulics in reply to Bob , Hay Bay, 06-21-2006 18:49:22  
Morning Bob--- Would that be Hay Bay in " THE COUNTY " if so my younger brother is the cheese maker at Black River Cheese down near Milford. Im just north of Stirling and own a 1952 TEA-2085. The Hydraulics are working fine on your tractor. The only thing that will help you now is position control such as a Zane Thang , or another form of position control such as using limiter chains. Check the left and so a search, there has been plenty of talk on this very subject. I asked the same question of my TEA a few years ago. --- Good luck Barry

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John (UK)

06-22-2006 05:33:42




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 Re: TEA20 Hydraulics in reply to Bob , Hay Bay, 06-21-2006 18:49:22  
John is 66, thank you.
Your hydraulics are as they should be, there is no HOLD position on that system it is just DRAFT control, what you are thinking about is POSITION control, as fitted to the later 35 series, where the link arms will stay in any position corresponding to the Control Lever setting. This system can be fitted to your tractor for about $90 or so, contact Zane about his "Zane Thang"
Link
You may like to check the Control Spring setting again (behind the seat) just to make sure that it will JUST turn when you have something raised on the 3 point linkage, if it is slack it will not have such a defined "dead" spot on the quadrant, if it is set correctly it should be at 2-1/2" from the front of the lever when it is at it's fully raised position, to the front of the lever when it is part way down the quadrant (set your quadrant stop to this so you can return the lever each time) The Control Spring should be set first as it will alter the lever setting if you adjust it. Sure seals have been a recognised repair for the leaking axle-shafts on the TE's and TO's for quite some time, after serial 325,001 the rear axle was changed and incorporated double seals on the axle shafts.You should periodically check the tightness of the nuts securing the axle-shafts because when they become slack they will allow the axle-shaft to move, this will wear the gasket and no matter how much sealant is on there it will wear that too. Providing you check them and keep them tight they will not leak at the gasket.

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