Farm Equipment - Hydraulic Cylinder

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Hydraulic Cylinder

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Category: Allis Chalmers
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URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=12394
Printed Date: 31 Jan 2025 at 7:56am
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Topic: Hydraulic Cylinder

Posted By: Kraig (WI)
Subject: Hydraulic Cylinder
Date Posted: 13 May 2010 at 11:46am

I bought a replacement cylinder for my disk. My old cylinder is a one-way (port on one end of the cylinder only) and my new cylinder is a two-way. Do I just plug one of the ports or do I have to put a vent in the other ports to let the air in and out?

Kraig

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7010,D17D,WD45,WD,WC,WC,B,
Gleaner K,60,66,72

Replies:

Posted By: BobHnwO
Date Posted: 13 May 2010 at 11:50am

You need a vent.

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Why do today what you can put off til tomorrow.

Posted By: Skyhighballoon(MO)
Date Posted: 13 May 2010 at 12:49pm

From what I've seen a vent is a just plug with a small hole drilled in it. Maybe there are some more sophisticated vents on some with a screen to keep dirt out better. Mike

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1981 Gleaner F2 Corn Plus w 13' flex
1968 Gleaner EIII w 10' & 330
1969 180 gas
1965 D17 S-IV gas
1963 D17 S-III gas
1956 WD45 gas NF PS
1956 All-Crop 66 Big Bin
303 wire baler, 716H, 712H mowers

Posted By: JoeO(CMO)
Date Posted: 14 May 2010 at 4:35am

The vent plugs were available in the past, maybe some dealers will have one. I have used an pipe elbow with a rag wrapped around it, didn't look real pretty but worked.

I have made a vent with a brass pipe to flare fitting, topped off with drilled cap(parts I had in the scrap box. I think I drilled a 1/16 hole in cap.

Posted By: Gerald J.
Date Posted: 14 May 2010 at 7:31am

Most any store that has hydraulic fittings will have a vent fitting. It has a fine screen in it to keep out grunge from being inhaled. And it lets the oil out when the piston seals leak. Last one I bought cost around $3.95. Carried by Northern Tool, Baum Hydraulics, probably TSC, Farm and Fleet, Deere, AC, etc. Comes in several threads, like o-ring or tapered pipe thread, amost certainly in1/2 and 3/4" sizes of each.

Gerald J.

Posted By: CTuckerNWIL
Date Posted: 14 May 2010 at 7:46am

Here is something that will work great. We used them as mufflers on air control valving on presses and other machine tools. They also work great for the back side of your cylinder.
http://www.pneumaticdepot.com/products.php?category=Pneumatic%20Exhaust%20Muffler&type=A&osCsid=a372c5e8ac341d00c2bbcf010f2abf38 - http://www.pneumaticdepot.com/products.php?category=Pneumatic%20Exhaust%20Muffler&type=A&osCsid=a372c5e8ac341d00c2bbcf010f2abf38

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Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF