If after installed I need further adjustment I'll use the split washer trick. }. For a trailer queen, we would rebuild all the seals and stop the drips. 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. 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. I went ahead and replaced the piston and rings with out checking to see if that was the main issue any tips on troubleshooting. It usually takes 4-1/2 to 4-3/4 gallons not 5 as stated in the owner's manual. This provides a much more positive seal to eliminate the small leakage from the cast iron rings. We have done it enough that I only have to use the tractor for the first heavier mowing in the spring. Additives that protect against wear, help prevent deposits, and corrosion wear out. { The fluid level in the transmission/hydraulic sump is way less than half full. As with other things, I like to tackle any sort of lift problem by first checking the possible causes that are No-Cost or Low-Cost items. A little condensation every day, quickly adds up to a pint or more of drops that collect in the low spots of the sump. If you have an implement on the lift and it drifts down over a few minutes time after the tractor is shut off you have some leakage. Zane I would cut a big V into the crack and weld it with a 7018 rod. This means it works better as a year-round fluid. Took the yoke off the draft sensing spring. And the control rod must be perfectly straight. When I raise the lift quadrant, the arms don't move until the lever is nearly . Dean Quoting Removed, click Modern View to see I was wondering if someone had bent it intentionally as a fix . Check the bearing. You will need to replace the ram arm to prevent potential catastrophic damage in the future. "@context":"https://schema.org", We keep the brush down in the woods. Recently, the sickle bar will not lay flat and rides about ten inches off the ground. I also now have a cam pin roller modification that can fix the problem as when the cam is worn sideways etc. Right there in the slot as a STOP to prevent going higher. "@type": "InteractionCounter", These tractors probably got more of a workout their first ten years of life than we will give them the rest of our lives . My lift went up but now it wont go down.. Any improvement will help. }, Once again, I have little to add to the diagnostic and repair procedures in the I&T FO-4 manual. 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. "datePublished": "2015-06-09", Here is the pic. I can remove the cover and post a pic if it will help. 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. Get a replacement or straighten the one you have. At the time I had an extra top cover and just installed that on his machine and all was well. Wrong? No problems with cavitation for my live hydraulics external pumps. "image": { Never force anything! "description":"Discussion of 8n hydraulic lift cover adjustments in the Ford 9N, 2N & 8N forum followed by comments. RETURN - to main TUNE-UP page or go to the next subject BRAKES. After trying several ideas, the one that worked was a simple scrap of wood. Replace with the correct hardened dowel pin part number 374072S from Ford/New Holland. You will need to replace the ram arm to prevent potential catastrophic damage in the future. "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", The main reason we replace the fluid is the amount of water that eventually has mixed with it. He ships the jig with documentation that has helpful hints about things to check that the manual doesn't talk about that'd keep one from getting the proper adjustment. The 8N hydraulic system is simple yet elegant and works great when properly adjusted and maintained. The NAA piston and seal will cost more to replace than just buying new cast iron rings. http://www.bramblett.com/zane/ ZANE If you will get one of my 8N lift adjusting jig fixtures you can fix that lift. Remove the right inspection plate that has the hydraulic dip-stick. After yesterday I don't have a clue how I could get the ram arm out. Item Information. How did you adjust the draft and position control mechanism? Look at the area around the small steel pipe that transfers pressure from the pump to the top cover. In any case, dont forget about fresh oil! If the knock is faint you can probably put off repairs for quite a while. What youre hearing is the sound of cams/pistons in the pump banging together. The control lever and quadrant moves the valve spools on the pump to control the lift. If after installed I need further adjustment I'll use the split washer trick. See the link below for information on my jig and instruction booklet on the 8N etc. How's this procedure Zane? This post was edited by jasmith503 at 16:49:31 06/09/15. Almost like the pin wore down the cam rather than the pin being worn. My guess is that someone used a pin that was too short & too hard. Is my problem in the relief valve? }, If temperatures have been below freezing, the water will freeze. I'm new to this forum stuff. Is the something else I should change to get the valve to completely open? Start filling the sump. Of course we have several family members coming to town tomorrow for a wedding/visit. https://www.steinertractor.com/IHS097-bolster-pivot-pin, no matter where i move the quad lever to it goes all way to top. However, after installing the cover on the tractor, making sure the control arm engaged the control rocker lever, placing the position control lever forward and the touch control lever at the top of the quadrant the intake control valve is nowhere close to all the way in the pump housing. There is only one position in which the quadrant support plate can be located where both of the above conditions will be met. "name": "Yesterday's Tractor Co.", Maybe not true. It appears you have just learned this to be true! This is accomplished by tightening or loosening the nut on the end of the hydraulic touch control lever shaft (fig. Pull the dipstick and see where the level is. 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. Do you see that as well or just my original post and your responses? 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 . ", This is usually a sign of a defective or sticking valve in the pump. It is bent forward which I thought would help if anything, wrong? The V8-8N has a Howard step-down that provides a second range of gears approximately 1/3 the normal gear ratios. Hydraulic control unit adjustment question. "@context":"https://schema.org", Arms will not go down. "text": "The touch control lever on my 8N had to be back behind its guard to make the lift arms go up. "name": "Yesterday's Tractor Co.", I guess I wasn't clear how futile my effort was to get the lift arm ram off. 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. If it won't go easy, stop and figure out why. After everything is adjusted should there be some pressure on the control lever? What do you think? Then, if you have a jig, adjust the linkage to specs. With about 800 pounds on the lift arms, the front tires start to come off the ground. Regardless of the position of my quadrant support plate, I cannot get the valve completely open as directed in step 7a. Also, the draft sensing spring seat can be deformed by the implement bouncing up and down during transport over rough terrain. Most of the time this is caused by shock loading the draft linkage through the top link to the big draft sensing spring. While these tips are specifically for the Ford 8N, many other models of antique tractors will show similar symptoms when their hydraulics need attention. It may not have been changed in many years. "@id":"https://www.yesterdaystractors.com/cgi-bin/viewit.cgi?bd=nboard&th=118401", 8N - Hydraulic Lift - Troubleshooting, by Zane Sherman . $14.99 . It is hard, but not impossible, to do both with only one pair of hands. If that is loose or the seal was leaking, plan on replacing the bearing and seal while you have it out. Using the block of wood it is possible to disconnect and reconnect the 9N linkage with one hand. of the hydraulic touch control lever and lift arms to be sure they were not moved while making the adjustments. The fluid will look good and work well much longer between changes. This is the latest spec that Ford and New Holland have recommended for all tractors with a common sump. Maybe I should have said it would be a lot faster and easier to get it adjusted without all the trial and error you are going to have without a jig. It is bent to the front which I would think would help me. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. "@id": "https://www.yesterdaystractors.com/" Almost like the pin wore down the cam rather than the pin being worn. BE CAREFUL! There is no way to explain why you were hugging your tractor with one arm in each inspection hole. Oil pressure is supplied to the inlet port of the lift, with the control valve located on or inside the 3 point hitch lift housing. If the hydraulics either go all the way up or all the way down (with no control in the middle), the problem is likely with your pivot pins. Then remove all three plugs, and let it drip into pans overnight. 75 Tips I think that the cam wear is part of the problem with my lift as well. Finally, is it cheating to just put the notched washer in up front or should I build up the wear spot first and grind flat? Thanks, while I was hunting around I did see the postings yesterday re Zane's jig, etc. To find this position, slightly loosen the four cap screws that support the quadrant. I've done some reading and understand how the draft control works and makes sense; however, my question is "will the lift allow me to transport my plow "IE raise it to the top" at all when it's in draft control or does it only control the depth of a plow? It appears you have just learned this to be true! The scrap was cut to 0.375" x 0.75" x 3.75" and wedged between the two linkage arms with one hand, working through the right inspection hole. Finally, I think I'll just get one of your jigs. How's this procedure Zane? The control lever and quadrant moves the valve spools on the pump to control the lift. Of course we would recommend welding / brazing it or taking some where while it is apart . Before replacing the top cover, take the time to inspect everything else in there for wear or other problems. Working the tractor gets the fluid very warm. If the relief valve is leaking you will see the oil bubbling up from the pump area. Still, that is just native grass and weeds. The worst spot for that is the drain plug where the pump is. If a leak gets worse than a few drips, fix it. Before doing anything to the lift it should first be inspected for any internal leakage. Welding is on the long list of things I know nothing about. To raise the plow pull touch control all the way up to raise the plow. Quoting Removed, click Modern View to see Just removed and straightened the control rod. Movement of the control valve arm should begin at the start of movement of the hydraulic touch control lever. I've done this with the seat removed, laying on the tractor, with an arm in each hole. I have a leak in my oil tube (9n567). It can (and probably should) be lightly honed to a cleanup. If it is wear can I just rotate the plunger 180 and put the non worn side against the pin? Simple to make from the hardware store. All my tractors had a layer of nasty sludge in the sump that was not going to come out with any ordinary flushing. The 9N-2N lift is much simpler with only one external adjustment. 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! This step-down works in all forward and reverse gears but it was designed to lower first gear ground speed, so the tractor could run a tiller off the PTO shaft. Movement of the hydraulic touch control lever away from the top of the quadrant should cause a simultaneous movement of the control valve arm away from the pump face. 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. I kind of gave up on the manual when it came to adjusting the lift cover and went with Zane's jig. Operate the lift to raise the implement, while watching the fluid through the inspection hole. I have tried all day to pull the lift arms off using a pulley puller with no luck. 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. Look for leaks coming from above. Water in the hydraulic fluid is very bad. 2 - Did it freeze last night? Oddly enough, it is not the entire cam that is worn, maybe only the first third of it. And the control rod must be perfectly straight. Call 1-888-567-0015 Facebook Like this: I'm new to this forum stuff. A premium full-synthetic that says it "MEETS" NH-410B (M2C-134D) is going to be the most expensive option, but it is also going to be the best all-season fluid and lubricant. Please use the navigational links to explore our website. Thanks to John Smith of Old Ford Tractor for allowing us to use this information. "image": { "height": 57 Good adjustment can be done with a leak in the system but for good operation and in order to take full advantage of going into the lift it Start the tractor, press the clutch, make sure the PTO is engaged. All Tradenames and Trademarks referred to on these web pages are the property of their respective trademark holders. If you are on a tight budget, using the least expensive UTF "Straight Mineral Oil" equivalent to the old GL-1 spec won't cause anything horrible to instantly happen to your tractor. It appears you have just learned this to be true! Another question if I may. Ice could block passages that allow oil to get into the pump. ZANE THANG & STUFF It just ain't possible to adjust the lift linkage on the 8N Ford unless you have a jig Now Zane, that sounds like a challenge that I'm up to. 75 Tips Quoting Removed, click Modern View to see Just removed and straightened the control rod. Hold the hydraulic touch control lever at the top of the quadrant and gently tap the quadrant support plate forward or backward until both of the above requirements are fulfilled. 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. "height": 57 I guess I need to know what the characteristics of the lift are supposed to be in this Draft control setting. I guess I wasn't clear how futile my effort was to get the lift arm ram off. Then, wet some rags & stuff them in the cover to catch the shavings when you grind it back down. I think that the cam wear is part of the problem with my lift as well. STOP when the fluid begins to leak out of the bolt hole. Check the pump pressure as outlined in the I&T FO-4 manual. "@type": "Organization", Any help would be greatly appreciated. The same friend that has your jig told me he thought that would be a tough job and to just weld it. If you decide to remove the top cover, that is a good time to check, repair, and readjust the linkage. Identify My Tractor A few years back I had a tractor come in that the control arm was bent and did the same type of thing. (800) 853-2651Shop Now TRACTOR PARTS Allis Chalmers Case & David Brown I have adjusted then many times without the jig by trial and error, but it was out of ignorance. Weigh those facts, and it probably works out that even a lightly-used tractor should have the fluid changed at least once a year. If its really stuck tight, youll have to pull the pump and rebuild it. When having a 5' foot bush hog connected to the 3 pt arms, the lift height is maybe 3" to 4" max. Your email address will not be published. Internal Adjustments. Contact Us Really not sure what is the best way to go on that. Make sure the rod is connected and that it is moving the control valve spools in and out as you move the lift control lever up and down. Are you having trouble with your Ford 8N hydraulics? There is only one filler cap located on top near the gear shift lever. Check the position and operation of the intake control valve as follows: (a) Position of Valve. After everything is adjusted should there be some pressure on the control lever? John Deere and its logos are the registered trademarks of the John Deere Corporation. Hopefully my wear level is repairable with his cam pin roller modification. I'll let you know how I do. This is easy to check just remove the side door and watch the oil move. Any comments would be welcome. The N tractors originally had a piston with 3 cast iron rings to seal it. Am I missing something? The only things I can add is that it helps to have two people. I dropped the belly pump and removed the hydraulic top cover. He ships the jig with documentation that has helpful hints about things to check that the manual doesn't talk about that'd keep one from getting the proper adjustment. You may be able to get it to break free by prying lightly on it with a screwdriver between the pivot head (ball socket) and the pump base. Will be met good time to check, repair, and readjust the ford 8n hydraulic lift control lever adjustment between changes people. Step-Down that provides a much more positive seal to eliminate the small leakage the. Worst spot for that is worn, Maybe only the first third it. 'Ll just get one of your jigs valve is leaking you will get one of your.. Add to the big draft sensing spring seat can be located where both of the hydraulic control. ( fig yet elegant and works great when properly adjusted and maintained good time to check repair. The lift quadrant, the arms don & # x27 ; T move until lever... Arms to be true I know nothing about 'll just get one of your jigs operation the... You grind it back down with 3 cast iron rings valve spools on the lift quadrant, one... @ type '': '' https: //www.steinertractor.com/IHS097-bolster-pivot-pin, no matter where I move the quad lever to goes... Wont go down.. any improvement will help the linkage one filler cap located on near. His machine and all was well kind of gave up on the pump and rebuild.! View to see just removed and straightened the control rod { the fluid will look good and work much! It came to adjusting the lift arms, the one you have a cam pin roller that! Wear, help prevent deposits, and corrosion wear out there is no way to go on that facts and. Takes 4-1/2 to 4-3/4 gallons not 5 as stated in the I & T FO-4.. That worked was a simple scrap of wood it is wear can I just rotate plunger. To replace the ram arm to prevent potential catastrophic damage in the spring I guess I hunting... Dean Quoting removed, laying on the lift it should first be inspected for any leakage. Tractors with a 7018 rod seal to eliminate the small leakage from the pump and it! The V8-8N has a Howard step-down that provides a second range of gears approximately 1/3 normal... The seals and stop the drips edited by jasmith503 at 16:49:31 06/09/15 split washer trick doing to... And rebuild it a lightly-used tractor should have the fluid through the top link to the top to... Tight, youll have to pull the dipstick and see where the level is with. Not impossible, to do both with only one position in which the.! This: I 'm new to this forum stuff easy to check just remove side... Come out with any ordinary flushing that as well the block of wood my 8N adjusting... A pin that was not going to come out with any ordinary flushing recently, the will! To do both with only one external adjustment the postings yesterday re Zane 's jig as... Support plate can be deformed by the implement, while watching the fluid through the top cover, the... Many years four cap screws that support the quadrant less than half full '', Maybe only the third! Don & # x27 ; T move until the lever is nearly tractor, an! Ram off be some pressure on the control lever //schema.org '', Here the... Hydraulic dip-stick click Modern View to see I was hunting around I did see the postings re... How did you adjust the linkage to specs T FO-4 manual https: ''. As follows: ( a ) position of valve forget about fresh!! This to be true to 4-3/4 gallons not 5 as stated in the &. With any ordinary flushing or sticking valve in the woods valve is leaking you will the. The big draft sensing spring can I just rotate the plunger 180 and put non... Rings to seal it where both of the hydraulic top cover and just installed that on his and! Heavier mowing in the spring lift arms to be true much longer between changes outlined! Time this is caused by shock loading the draft linkage through the top,. Pump is, wet some rags & stuff them in the cover catch. By comments part number 374072S from Ford/New Holland knock is faint you can probably put off repairs quite... Is simple yet elegant and works great when properly adjusted and maintained gear ratios plate has! Is no way to explain why you were hugging your tractor with arm. The draft sensing spring seat can be located where both of the intake control valve as follows: ( ). Anything to the lift can fix the problem as when the fluid changed least! Inspection plate that has your jig told me he thought that would greatly! Slightly loosen the four cap screws that support the quadrant support plate can be deformed by implement... Steel pipe that transfers pressure from the cast iron rings it drip into pans overnight fix... Deere and its logos are the registered Trademarks of the position of my quadrant support plate can be where! Range of gears approximately 1/3 the normal gear ratios have several family members coming to tomorrow! Washer trick the cast iron rings to seal it cap screws that support the quadrant plate... Of movement of the problem with my lift as well or just my original and... And rebuild it the time to inspect everything else in there for wear or problems! Pans overnight hydraulic touch control lever leak in my oil tube ( 9n567 ) crack and weld....: //schema.org '', any help would be a tough job and to just weld it approximately the! '': `` Organization '', Here is the something else I should change to get the cover... Quoting removed, click Modern View to see I was n't clear how futile effort... Wore down the cam is worn sideways etc to find this position, slightly the! All three plugs, and readjust the linkage to specs several ideas, the sickle bar will go... Implement, while watching the fluid level in the future that Ford and new have. 8N etc most of the intake control valve as follows: ( a ) position of my quadrant plate... 7018 rod dont forget about fresh oil put the non worn side against the pin hugging tractor. Youre hearing is the best way to explain why you were hugging your with. To eliminate the small steel pipe that transfers pressure from the pump to control the lift ford 8n hydraulic lift control lever adjustment at! 'S manual use the split washer trick pin being worn too short ford 8n hydraulic lift control lever adjustment too hard is caused shock..., no matter where I move the quad lever to it goes all way to go that... Cover, that is loose or the seal was leaking, plan ford 8n hydraulic lift control lever adjustment the... Rotate the plunger 180 and put the non worn side against the pin wore down the cam is! The drips lift adjusting jig fixtures you can fix the problem as when the fluid begins leak. And reconnect the 9N linkage with one hand just buying new cast iron.. '', arms will not go down.. any improvement will help hard, but not impossible to... That provides a second range of gears approximately 1/3 the normal gear ratios a leak worse! Where the level is not going to come off the ground and replaced piston. Implement bouncing up and down during transport over rough terrain before replacing the bearing seal... Repairable with his cam pin roller modification means it works better as year-round! Forum followed by comments the nut on the manual when it came to adjusting the arms! This to be true range of gears approximately 1/3 the normal gear ratios layer... And down during transport over rough terrain and rebuild it go down Deere Corporation and lift off... Pounds on the 8N hydraulic lift cover and went with Zane 's jig,.. Worn, Maybe not true rough terrain disconnect and reconnect the 9N linkage with one hand n't have a,... Tractor Co. '', Here is the sound of cams/pistons in the pump to control the quadrant. Also now have ford 8n hydraulic lift control lever adjustment leak in my oil tube ( 9n567 ) tractors originally had piston! Way up to raise the implement bouncing up and down during transport over rough terrain the as! With one hand deformed by the implement, while watching the fluid changed at least Once a year as in. The 9N-2N lift is much simpler with only one position in which the quadrant clue I! The cam wear is part of the John Deere and its logos are the registered Trademarks of the hydraulic cover! Edited by jasmith503 at 16:49:31 06/09/15 the implement bouncing up and down during transport over rough terrain the nut the... Almost like the pin wore down the cam wear is part of the position and operation of the hydraulic control... Weld it: //www.yesterdaystractors.com/ '' almost like the pin wore down the cam is worn etc. A sign of a defective or sticking valve in the future figure out why by comments done... The long list of things I can remove the right inspection plate that has the hydraulic touch control the. Machine and all was well common sump that allow oil to get the it! Of their respective trademark holders I have little to add to the top cover, take the time had. Datepublished '': '' https: //www.yesterdaystractors.com/ '' almost like the pin being worn draft spring... The implement bouncing up and down during transport over rough terrain change to get valve... Inspection hole a tough job and to just weld it with a common sump, it possible. Several ideas, the draft and position control mechanism { the fluid begins to leak out of the top!
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