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Farmall & IHC Tractors Discussion Forum
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!aGary-1066 Aux. Control valve

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Michael Sheik

02-06-2006 04:48:12




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If you are referring to the backup washer behind the oring and plug on the unlatching piston, that was replaced with new one. I also put new plug in and oring. I thought about it last night and the only thing I can think of is that maybe the centering spring has lost some of its tension and is not putting enough pressure on oring and retainer in back side of valve body. The unlatching piston did not show any nicks, grooves, etc. Anyway, I think I will call IH mechanic that I know this morning and may end up getting another set of orings and doing it one more time. Shouldn't take but 30 minutes by now! If it doesn't stay this time, I haven't a clue.

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Ted in NE

02-06-2006 07:31:50




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 Re: !aGary-1066 Aux. Control valve in reply to Michael Sheik, 02-06-2006 04:48:12  
If you correctly installed the back up washer then the oring for the detent piston. Oil the oring & pin. Put the detent piston carefully through the oring & back up washer, then useing a 1 fourth in roll pin for a driver install the retainer. might need to grind down the end of the roll pin slightly. Just install the retainer flush. Most common mistake to cause a leak is putting the oring for the back end of the spool over the stepped end of the spacer.It goes on the spool. Don't weld the hole shut in the hex cap, pressure from the leak will push the valve spool aherd & put it on demand

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IaGary

02-06-2006 05:11:54




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 Re: !aGary-1066 Aux. Control valve in reply to Michael Sheik, 02-06-2006 04:48:12  
So this thing is leaking with no hoses hooked to the coupling is what your saying. Or is it leaking at the valve itself. I thought it was leaking at the couplers, Sorry.



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Allan in NE

02-06-2006 05:04:18




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 Re: !aGary-1066 Aux. Control valve in reply to Michael Sheik, 02-06-2006 04:48:12  
Mich,

Now ya have me confused (which, is not hard to do). :>)

Is this thing leaking at the axillary control valve or actually out at the check valve (remote valve body)?

Allan



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Michael Sheik

02-06-2006 05:22:39




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 Re: !aGary-1066 Aux. Control valve in reply to Allan in NE, 02-06-2006 05:04:18  
Looking at the book and going to use correct terminology!
It is leaking out the push in plug on end of hex cap that screws into the back side of the auxiliary control valve sleeve. Valve is under the seat and at back of cab.
It is not leaking where you plug in the hydraulic hoses.



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Allan in NE

02-06-2006 05:40:01




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 Re: !aGary-1066 Aux. Control valve in reply to Michael Sheik, 02-06-2006 05:22:39  
Have you thought about just replacin' the whole darned valve with another used one? Gotta be a million of 'em at the salvage yards.

Sometimes it is just easier to cut and run. :>)

Allan



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Michael Sheik

02-06-2006 05:54:37




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 Re: !aGary-1066 Aux. Control valve in reply to Allan in NE, 02-06-2006 05:40:01  
Thought about that too. Pain in the butt to pull steel lines and seat to get it off so last resort.



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Allan in NE

02-06-2006 06:08:27




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 Re: !aGary-1066 Aux. Control valve in reply to Michael Sheik, 02-06-2006 05:54:37  
Yep,

On a cab tractor, they are just a little nasty.

I know! How's 'bout pulling the gear off the pump. That should stop 'er, shouldn't it? :>)

Allan



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IaGary

02-06-2006 05:28:20




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 Re: !aGary-1066 Aux. Control valve in reply to Michael Sheik, 02-06-2006 05:22:39  
OK now I know where you mean. Tryed to fix one of those on a 856 years ago never did get it. One day dad took the cover off and welded the hex nut and plug shut. Crude fix but it worked. When we had it in the IH shop a few years later we got it fixed right. Sorry for the confusion.



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Michael Sheik

02-06-2006 05:34:32




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 Re: !aGary-1066 Aux. Control valve in reply to IaGary, 02-06-2006 05:28:20  
I keep threatening to weld it shut. Can't see what it would hurt other than ruining the hex nut and blocking access to the screw to adjust detent balls. Do you know what the IH mechanic did.



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IaGary

02-06-2006 05:43:31




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 Re: !aGary-1066 Aux. Control valve in reply to Michael Sheik, 02-06-2006 05:34:32  
No I don't but I could see if he would tell me but I don't like to pester him.



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IaGary

02-06-2006 05:45:35




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 Re: !aGary-1066 Aux. Control valve in reply to IaGary, 02-06-2006 05:43:31  
Just remembered we still have the welded sleeve I could send it HA HA.



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IaGary

02-06-2006 05:56:06




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 Re: !aGary-1066 Aux. Control valve in reply to IaGary, 02-06-2006 05:45:35  
I talked to mechanic and he said kit ti rebuild is around $7 at IH. You have to replace the whole shaft with the little o-ring because you will damage it to replace it. And replace the other orings and that was it. There are 2 styles of shafts and they both work in the same valve.
Good Luck.



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Michael Sheik

02-06-2006 06:16:55




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 Re: !aGary-1066 Aux. Control valve in reply to IaGary, 02-06-2006 05:56:06  
Talked to IH mechanic.
Asked him if he would redo it if I brought it to him and he said he would. Guess that is what I am going to do this evening. I'll let you know.



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Quebec Red

02-07-2006 06:52:54




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 Re: !aGary-1066 Aux. Control valve in reply to Michael Sheik, 02-06-2006 06:16:55  
Quote: confused, which is not hard to do;unquote. Yes I am perfectly well aware of this situation, like maybe permenently ( as in forever??? ). Did we go to the same school????? ?? Is there a common genetic base somewhere here????? ????? Maybe time to scroll somewhere else. Might be something like what you do not know,,,,..... ..... QR..... ..



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