Replace with the correct hardened dowel pin part number 374072S from Ford/New Holland. Draining water as it collects in the sumps can help to extend the fluid change interval, but fluid does not last forever. There's a good reason to talk about the weather, it affects everything. 75 Tips Quoting Removed, click Modern View to see Just removed and straightened the control rod. Once I get the lift arm ram welded I will proceed with the jig. Start filling the sump. "interactionType": "https://schema.org/CommentAction", This is nearly always caused by the control valve spools in the pump base getting stuck in the bore, most likely due to water or dirt in the oil. Remove the lift cover and remove the 4 bolts holding the cylinder to the cover. This post was edited by jasmith503 at 16:49:31 06/09/15. I need to either flip it around 180 degrees or hold the arm up to see if it meets those requirements. If it seems like your hydraulics just arent doing anything, be sure to check that the PTO lever is engaged and then try. At the time I had an extra top cover and just installed that on his machine and all was well. Really not sure what is the best way to go on that. A magnetic sump heater can be used to thaw things out if this has caused your lift to stop working. How to Remove and Rebuild a Ford 8N Hydraulic Pump Carving A Path 65K views 2 years ago Ford 2N 9N Tractor Position Control kirk -NJ 40K views 4 years ago Almost yours: 2 weeks, on us. But as the cams wear they begin to knock louder as they actuate the pistons from side to side in the pump. You've done it, I haven't. It has often been suggested that a bad shifter boot will allow all sorts of water to get in there. Press or drive the worn pin out. If those didn't do the trick I would then go back to removing the yoke, etc. They simply wear out and need to be replaced. The most important plug is the one at the pump. I was asking your opinion on welding the crack in the lift arm ram as opposed to fighting to get it off and replacing it. { While reinstalling saw this significant crack in the lift ram arm. DO NOT start to tighten top cover or pump flange bolts until you have made sure the linkage is correctly placed and not binding. When changing the fluid, try to flush as much of the sludge as possible out with the old fluid. When I was plowing in the spring, when the arms were actually as low as it would go and the tractor would start to loose traction, a slight lift of the position lever would bring the plow up, but then I would have to push down on the draft control lever to get the plow to go higher. The louder the knock, the more wear your pump has on it. (7) Place the position control lever in the forward position. I also removed the lift cover and checked and adjusted the constant draft and position control springs and replaced the neoprene and leather rings on the ram piston. WRONG! I just had this discussion w/ some folks who know more about welding than I do (which is about everyone) and the consensus was to remove some of the linkage for better access & mig weld it up. Here is the pic. Of course we have several family members coming to town tomorrow for a wedding/visit. }. The valve is open when, using a hand inserted in the inspection opening, it is impossible to press the end of the control valve arm toward the pump face any further. Check the position and operation of the intake control valve as follows: (a) Position of Valve. I.E., I can grab it and move it freely front to back. If no oil is spraying out anywhere, you could have a bad pump. If the oil is leaking out of the piston top, the seal or o-ring could be damaged. We have done it enough that I only have to use the tractor for the first heavier mowing in the spring. Basically, look for the cheapest pail that says it's recommended for Ford tractors with a combination sump with gears and hydraulics. Almost like the pin wore down the cam rather than the pin being worn. "image": { Right there in the slot as a STOP to prevent going higher. That usually works ok if you cant spare the two bucks for a new one). "mainEntityOfPage": { My old pin was worn at a 45 degree angle and my cam was also worn at a 45 degree angle on the same edge as Bruce's picture. After everything is adjusted should there be some pressure on the control lever? Figured that out after I sent the last message. Simple. If you decide to remove the top cover, that is a good time to check, repair, and readjust the linkage. Troubleshooting the 8N Hydraulic Lift . Should the cam be smooth across its width? It can be done, but I think that qualifies as abuse. }, I went ahead and replaced the piston and rings with out checking to see if that was the main issue any tips on troubleshooting. I'm thinking it would be a waste of time to put fluid in and test it, so I haven't tried that. I enjoy answering those. As for the adjustment, I followed the instructions in the very old version of the I&T Shop manual I have. It just ain't possible to adjust the lift linkage on the 8N Ford unless you have a jig to use so that the end of the control rod ends up in the right position. When we cleared an acre 30 years ago the tractor got a majority of its work dragging logs. Adjusting the lift on the 8N certainly can be done without a jig but it is a lot easier and will save your dentures too. Of course we would recommend welding / brazing it or taking some where while it is apart . So, is it wear or suppose to have concave groove to rest on the dowell? Any comments would be welcome. It is bent to the front which I would think would help me. Check the pump pressure as outlined in the I&T FO-4 manual. This is accomplished by tightening or loosening the nut on the end of the hydraulic touch control lever shaft (fig. "image": { I couldn't even get the lift arm off of the end of the splined shaft. Of course, once you diagnose the problem you still need to fix it! "logo": { Water in the hydraulic fluid is very bad. http://www.bramblett.com/zane/ ZANE If you will get one of my 8N lift adjusting jig fixtures you can fix that lift. Thought it might be an oil pressure issue. Get a replacement or straighten the one you have. The N tractors originally had a piston with 3 cast iron rings to seal it. The 8N hydraulic system is simple yet elegant and works great when properly adjusted and maintained. My guess is that someone used a pin that was too short & too hard. The determining factor in which way to go is the condition of the cylinder bore. It's like a 10-30 multigrade motor oil thickness. The worst spot for that is the drain plug where the pump is. Two large plugs under the transmission, and hydraulic pump, and one smaller pipe plug under the differential housing. The bore should be very smooth with little or no scoring or scratches running lengthwise. You've done it, I haven't. Never plow, etc. Tractor Identification & History, About F/FCA I have my lift cover supported by two saw horses with the control lever hanging down and while it does move forward and backward as I move the touch control lever it is never held rigidly in any position. Do you see that as well or just my original post and your responses? Look for leaks coming from above. From the Operator's Manual: (6) Install the hydraulic unit on the tractor as outlined in section 382, but do not install the inspection plate. Or do I need to move it to "position Control" to transport my plow? http://www.bramblett.com/zane/ ZANE Quoting Removed, click Modern View to see Zane, Thanks for the info. Also, followed the instructions from the current shop manual the local New Holland Ford mechanic uses that he was nice enough to give me a copy of. Raise the lift control lever and watch inside the cavity for oil spraying out in the area of the relief valve or from the side of the cavity where the tube is located. Epoxy? The new Position Control setting bypassed the draft control and allowed the implement to remain at a consistent position relative to the position of the Touch Control lever.A continued drawback to this series of tractor, was the safety need for an overrunning clutch at the end of the PTO shaft.. Choke Control Rod Assembly.Ford - Fits: 2N, 9N; Replaces: 9N9700 * Fits (1939-47)* NOTE: this is 1 . Very little water is ever getting thru a ball and socket joint with fluid on it. Related Products: Ford 8n | Ford 800 Hydraulic Lift Parts Quickview In Stock O-Ring Only (for hydraulic lift piston) TE20, TEA20, TO20, TO30, TO35 (To Sn: 179304); Replaces: 835126M1 * For Ford applications, this O-ring installs toward head of the lift cylinder piston (our ABC316 backup washer installs behind this O-ring. It is bent forward which I thought would help if anything, wrong? If this is a 9N or 2N we have to first disconnect the touch control linkage or risk breaking the valve assembly. No warm-up needed on cold winter mornings to get the lift to work. If you need to work on the hydraulic system, its highly recommended that you first buy the I&T FO-4 shop manual and follow the instructions there for repairs and adjustments. I cant seem to find if this is one solid tube? Your email address will not be published. If temperatures have been below freezing, the water will freeze. This procedure of-course requires three drain pans and you probably won't want to do something this messy/stinky in an attached garage. If your tractor works a normal 40-hour work week, the fluid should be changed 3-4 times a year. First, it causes rust and corrosion. Control Arm Adjustment (1) Place the hydraulic control unit upside down. Pic attached. Get the adjusting jig from Zane. Think about how much water one iced tea glass can leave on a table. Do not unscrew the plugs to try and get water to flow faster. It is bent forward which I thought would help if anything, wrong? So, you guilted me into starting with step one. When it breaks free and starts working again, CHANGE THE OIL. Did you find a way to fix this. If you only have time to do one, do that one. If my brother-in-law has any luck with that I'll use your suggestion on cutting the arm ram off. Many of our tractors are only weekend warriors, so maybe the fluid only needs to be changed once or twice a year. I just had this discussion w/ some folks who know more about welding than I do (which is about everyone) and the consensus was to remove some of the linkage for better access & mig weld it up. If yours will not raise the plow in draft mode then something else is wrong. All you need is a wing-nut, a 3/4-inch nylon bushing, and a screw. The oil sump holds 5 gallons that is shared with the transmission and rear end of the tractor. John Thanks, while I was hunting around I did see the postings yesterday re Zane's jig, etc. } When we cleared an acre 30 years ago the tractor got a majority of its work dragging logs. Flattened it no problem. Finally, I think I'll just get one of your jigs. } However, before removing the top cover or dropping the pump out of the 9N-2N tractors, the linkage must be disconnected, or it may break the valve. The most common cause of leakdown is worn lift cylinder piston rings. It usually takes 4-1/2 to 4-3/4 gallons not 5 as stated in the owner's manual. If after installed I need further adjustment I'll use the split washer trick. TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. Quoting Removed, click Modern View to see Linkage bent or adjustments not done correctly. You will need to replace the ram arm to prevent potential catastrophic damage in the future. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V. window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-04SJ2KTSCK',{ cookie_flags: 'max-age=7200;secure;samesite=none' }); Welcome! Measuring parts just won't cut it when all the parts are not still the same shape and measurement that they were when new about 50 years ago. Please use the navigational links to explore our website. Zane Quoting Removed, click Modern View to see Thanks. It seems the only thing I can do is to bend the control arm forward so it will close the valve. It is bent forward which I thought would help if anything, wrong? While I was working on the hydraulic system, I decided I would make a seperate short video detailing the hydraulic lift cover linkage adjustment All Tradenames and Trademarks referred to on these web pages are the property of their respective trademark holders. Should the cam be smooth across its width?". Thanks, while I was hunting around I did see the postings yesterday re Zane's jig, etc. In fact I have to move the quadrant control lever bracket all the way to the back position just to get the intake valve to move slightly into the pump. STOP when the fluid begins to leak out of the bolt hole. How did you adjust the draft and position control mechanism? So, you guilted me into starting with step one. Can't remember if bent toward the front, back, or sideways. You will need to replace the ram arm to prevent potential catastrophic damage in the future. "@type": "WebPage", Our friends at Steiner have all the parts youll need to fix your 8N hydraulics (and hydraulics on lots of other tractors too). Membership I did a lot of work on the first one, so I'm familiar with how they work, but I've never encountered this problem. ditto that. Welding certainly sounds easier if it will do the job. A short tutorial of hydraulic repair on a Ford 8N is available here. My tractors are working tractors. Quoting Removed, click Modern View to see Thanks. If the quadrant bracket is all the way back and the lift still doesnt come all the way up, youll have to replace the worn cam follower pin. This is an excellent time to rebuild the lift cylinder also. }, Thanks for you help!! If you can see the other posting I just placed with the pic you will see perfectly straight would not describe my control lever. I'm hoping the relatively light duty work will make the weld option more viable. When the air cools moisture condenses on all those cool metal surfaces inside the sump. The 8N hydraulic system is simple yet elegant and works great when properly adjusted and maintained. If you can see the other posting I just placed with the pic you will see perfectly straight would not describe my control lever. I thought I'd let him have a crack at removing the lift ram arm so I could replace it rather than getting the crack welded. "height": 57 Dirt and other contaminants collect in the fluid and there is no filtration to remove them. We had one in the shop but I didn't have a clue what it was for until I attended the training session on the lift. If the lift wont raise at all, first make sure the pto is engaged and the pto shaft is turning as it should be. On the 8N tractors there is only one link that needs to be guided into the pocket on the valve assembly. I do see it is bent as well. Click the link for instructions and plans for everything needed to add full-time live hydraulics to one of these tractors. I get asked this question frequently, and the answer depends on exactly how you use the lift. Flattened it no problem. Its generally not an immediate pressing problem. It will only raise the plow with touch all the way up. BTW, did you see my bent control arm pic? And does it come out from the top or bottom?? Dean I had a similar, though much less serious, crack in the ram arm on my 55 860. "@type": "Person", I just replied to another response to my post, with a pic and a question. (800) 853-2651Shop Now TRACTOR PARTS Allis Chalmers Case & David Brown Farmall & International Ferguson Ford & New Holland John Deere Off of the splined shaft can do is to bend the control rod a table there in the future anything! Had an extra top cover, that is the one you have, try to flush much... 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The other posting I just placed with the correct hardened dowel pin part number 374072S from Holland! Once or twice a year not describe my control lever shaft ( fig week, the will... Trick I would think would help me bent or adjustments not done correctly wing-nut a! Sumps can help to extend the fluid, try to flush as much of the cylinder the.