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TimZ(TX) 
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Joined: 12 Sep 2009
Location: Katy, TX
Points: 255
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 Topic: Allis 160 hydraulic leak
Posted: 03 May 2018 at 2:14pm |
My 160 recently developed a leak at the shaft of this adjustment knob below. It leaks while the 3 point lift is raising. Is there an o-ring or gasket in there. Tim   |
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2-B's,CA,D15,D17,160,2-185's 8010
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Stan IL&TN
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Joined: 13 Sep 2009
Location: Elvis Land
Points: 6730
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Posted: 03 May 2018 at 3:24pm |
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1957 WD45 dad's first AC
1968 one-seventy
1956 F40 Ferguson
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TimZ(TX)
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Joined: 12 Sep 2009
Location: Katy, TX
Points: 255
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Posted: 21 May 2018 at 8:20pm |
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Started to get into the valve yesterday. How do you remove that block? I ordered a manual for it.
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2-B's,CA,D15,D17,160,2-185's 8010
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TimZ(TX)
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Joined: 12 Sep 2009
Location: Katy, TX
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Posted: 22 May 2018 at 2:13pm |
Does anyone know if there is supposed to be a screw in plug in here? It started leaking when lifting the three point up. Looks to be a major undertaking to get this valve off. Tim  |
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2-B's,CA,D15,D17,160,2-185's 8010
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TimZ(TX)
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Joined: 12 Sep 2009
Location: Katy, TX
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Posted: 22 May 2018 at 2:14pm |
here is were it is 
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2-B's,CA,D15,D17,160,2-185's 8010
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TimZ(TX)
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Joined: 12 Sep 2009
Location: Katy, TX
Points: 255
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Posted: 28 May 2018 at 4:42pm |
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TTT
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2-B's,CA,D15,D17,160,2-185's 8010
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BrianC
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Joined: 16 Jun 2011
Location: New York
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Posted: 30 May 2018 at 7:02am |
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Yes, there is supposed to be a screw in plug in that hole. Picture is dim, but looks to me a plug is there. Is the oil squirting out at pressure from there?
If it just fell out, replace it, maybe it is that simple. I bet it is metric.
However, your very first post says the knob had a leak. But the seat was blocking your view. There is an o-ring on the knob. And the entire knob will come out by using item #1 hex flats. The valve block is back bolted to that bulkhead plate.
If you unbolt the plate, you get into a "mess" of pinned links and rods and stuff. You will be looking at the top of the hydraulic piston.
One farmer around here has a 160, he gave up trying to get the 3pt working right, removed the arms and links. Just uses the draw bar. But his rear remote outlet still works.
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TimZ(TX)
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Joined: 12 Sep 2009
Location: Katy, TX
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Posted: 30 May 2018 at 7:45am |
The plug appears to missing. The oil definitely is coming out of that hole. Just got the service manual and it looks vague on taking off that block. Shows a couple of O-rings. I'll have to take the block off to really see what there or not there. I don't want to open a bigger can of worms, but it leaks a lot. I mostly rake with the tractor but do move balls and shred a little. Tim
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2-B's,CA,D15,D17,160,2-185's 8010
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BrianC
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Joined: 16 Jun 2011
Location: New York
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Posted: 30 May 2018 at 2:58pm |
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Curious, I looked at mine again, flashlight and mirror time. Not so sure it is a screw plug. It looks bright color, like die cast or zinc. May have a weep hole. Can't see hex for an Allen key. Maybe it is press in. Good luck.
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