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Ford 9N, 2N & 8N Discussion Forum
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Hydraulic rebuild necessary?

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SCgoatfarmer

06-19-2006 06:14:03




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1949 Ford 8n front mount distibutor

Okay, so my lift does not work in draft (plowing) mode.

However, it works very well in position control. Slowly leaks over a long period of time (hours)

What kind of rebuild kit should I be looking for to fix this problem so I can use my lift in either mode?... or is it just a cam follower pin or some other single part I need to replace?... or would I just be better off limping along and only using position control until something catastophic happens and then do the rebuild?

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D thomas

06-19-2006 07:59:55




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 Re: Hydraulic rebuild necessary? in reply to SCgoatfarmer, 06-19-2006 06:14:03  
Have you tried to adjust the quadrant by loosening the 4 elongated bolts and sliding it forwards or backwards and see if you then have draft? Mine is all the way back now and I have draft right about one inch from the top- so I'm about out of external adjustment-next step is to go inside -which hopefully will last a while like this. Also I have just adjusted my yoke spring per the F04 manual and it made a huge difference in the working of mine. But as the others say-unless you need draft it's no biggy. You can work everything fine with position.

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SCgoatfarmer

06-19-2006 10:31:22




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 Re: Hydraulic rebuild necessary? in reply to D thomas, 06-19-2006 07:59:55  
I was reading about this adjustment on another site.

This is a stupid question but what four bolts?

How does this adjust draft versus position?

I have a FO-4 manual but it is nothign like the more detialed ones I have seen. I really need to get a new one.



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d thomas

06-19-2006 11:21:08




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 Re: Hydraulic rebuild necessary? in reply to SCgoatfarmer, 06-19-2006 10:31:22  
The lift quadrant. The section that has the lever under the seat to the right with the lever you use to make the lift go up and down. It has 4 bolts with elongated holes made for adjusting that holds the unit to the lift housing(same thing the seat is bolted to. You just slide them back or forwards. Mine was out of draft until I slid it all the way back. Now I have draft but no more adjustment. So I will need to go in and adjust when this no longer works. As far as the mechanics I have no idea how to explain how this works-me and words don't get together to good to explain. Maybe try John Smiths site out under hydraulic problems. >Link

Good>Link luck.

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Hmmm?

06-19-2006 07:48:25




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 Re: Hydraulic rebuild necessary? in reply to SCgoatfarmer, 06-19-2006 06:14:03  
Why would he need to hone the cylinder and replace the piston if it takes HOURS to leak down? Am I missing something here? Tony



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souNdguy

06-19-2006 11:01:59




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 Re: Hydraulic rebuild necessary? in reply to Hmmm?, 06-19-2006 07:48:25  
You will notice that I said to leave it be for now.. then later on when the lift needed work, to go ahead and do everything at once... IMHO.. tering into it would be done when the lift develope da problem.. IE.. fast fall rate.. etc..

Soundguy



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Dell (WA)

06-19-2006 07:33:21




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 Re: Hydraulic rebuild necessary? in reply to SCgoatfarmer, 06-19-2006 06:14:03  
Goatsy..... ....limmpa long without the 8N's draft mode selection lever working is just fine, "unless" you are plowing. Even then most modern YamaBotaDeers plow without draught control, they don't even have it!!! ..... ....Dell



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Scgoatfarmer

06-19-2006 07:45:55




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 Re: Hydraulic rebuild necessary? in reply to Dell (WA), 06-19-2006 07:33:21  
Thanks Dell.



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souNdguy

06-19-2006 06:32:31




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 Re: Hydraulic rebuild necessary? in reply to SCgoatfarmer, 06-19-2006 06:14:03  
Take a look in and see where your leak is.. Most likely it is from the hyd cyl.. Hours is great.

If I didn't use draft control.. I'd be inclined to leave it as is.. and when It did need attention.. pull the top cover.. hone the cyl, drop in a new NAA apiston and oring.. replace cam pin.. and adjust with Zane's Jig.

That's just my opinion... your money..

Soundguy



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Scgoatfarmer

06-19-2006 07:14:53




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 Re: Hydraulic rebuild necessary? in reply to souNdguy, 06-19-2006 06:32:31  
It would seem like somehting specific is broke for it not to work in draft but work so good in position control.

I thought it might be an easy fix but you think it is something with the whole unit?



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souNdguy

06-19-2006 07:25:57




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 Re: Hydraulic rebuild necessary? in reply to Scgoatfarmer, 06-19-2006 07:14:53  
Uh.. No.. I didn't say that the whole thing needed work. I implied that it needed adjusting.. and that zane's jig would be helpfull for that.. but in the mean time.. if you don't use draft controll.. it's not a big deal.. as your lift seems to be pretty tight if it will hold for hours.

While there may be a broke part in the draft linkage.. it's pretty hard to 'guess' on that one without pulling the top cover.. and if you pull the top cover.. you might as well adress all issues.. vs doing it again 3 years downt he line..

Soundguy

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SCgoatfarmer

06-19-2006 07:13:17




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 Re: Hydraulic rebuild necessary? in reply to souNdguy, 06-19-2006 06:32:31  
How much are we talkin?... $

What is Zane's jig?... is it an upgrade for the original 8n hydraulics?



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souNdguy

06-19-2006 07:22:00




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 Re: Hydraulic rebuild necessary? in reply to SCgoatfarmer, 06-19-2006 07:13:17  
Zan'es jig is an adjustment jig and instructions.... cost about 80$ i think.

The NAA piston and oring and backup washer can be had for about 25$ give or take depending on where you get it... Top cover gasket a coupl ebucks.. side cover gasket a buck or two.. cam pin.. a couple bucks.. though i think zane sometimes gives those away with the jig.. etc.

And the hone for the cyl is about 15$ at a chinese store.. or you may be able to rent / borrow it from a place like autozone.. for the 5 minutes you will need it.

Need 3 other small gaskets under the hyd cyl.. probably not more than 50 cents to a buck each..

Say.. just about 115$-130$ depending on whether you can borrow the hone..

Soundguy

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SCgoatfarmer

06-19-2006 07:45:12




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 Re: Hydraulic rebuild necessary? in reply to souNdguy, 06-19-2006 07:22:00  
I appreciate all your help.



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