Attach a heavy implement (anything weighing at least 150 pounds should be enough). }. At the time I had an extra top cover and just installed that on his machine and all was well. 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. and if it looks like the pic, it will need to be repaired. Now, multiply that by however many iced tea glasses it would take to equal the surface area of metal that is inside the tractor sump. )* Regardless of the position of my quadrant support plate, I cannot get the valve completely open as directed in step 7a. How did you adjust the draft and position control mechanism? For a better experience, please enable JavaScript in your browser before proceeding. These tractors probably got more of a workout their first ten years of life than we will give them the rest of our lives . JavaScript is disabled. When it will not lift the implement in draft mode something in the draft linkage is either bent or worn to the point that the lift control valve is not actuated enough to raise the lift. The 9N-2N lift is much simpler with only one external adjustment. I'm new to this forum stuff. "height": 57 and if it looks like the pic, it will need to be repaired. 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. "@type": "WebPage", Simple. Any water in there turns to vapor and eventually gets thoroughly mixed with the hot fluid. Finally, I think I'll just get one of your jigs. No leaks, and no indication of suction, could be stuck valves or something major broken in the pump. If no major leakage is noted, then check the pump pressure as outlined in the FO-4 manual. The most important plug is the one at the pump. 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. I'll send an e-mail to your site. This is a very common complaint and can almost always be attributed to a worn cam follower pin in the lift control linkage. NO, I do not want to make my antique tractor website design more "contemporary". ", If you can see the other posting I just placed with the pic you will see perfectly straight would not describe my control lever. 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. }, Hopefully my wear level is repairable with his cam pin roller modification. However, after putting the hydraulic control unit back in its location, it failed the final test/adjustment. Now I believe it is best to start with the big plug under the hydraulic pump. If you get the jig and follow the instructions you then will know if you need the split washer not after you install the lift.. The only things I can add is that it helps to have two people. Just give them a ring to get started. If you don't have tools to straighten what is bent, new parts are available. It is bent forward which I thought would help if anything, wrong? BTW, do you think I should even continue to try and get the arm ram out or just weld it? Welding is on the long list of things I know nothing about. I had a similar, though much less serious, crack in the ram arm on my 55 860. However my problem on my 51 8n is the lift arms go all the way up and wont go down unless I let it set for several days. Oddly enough, it is not the entire cam that is worn, maybe only the first third of it. The issue that I am having is with the lifting of an implement on the 3pt. It appears you have just learned this to be true! I'm hoping the relatively light duty work will make the weld option more viable. Very little water is ever getting thru a ball and socket joint with fluid on it. "height": 57 Be sure to have a good welder do it. 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. A mirror can be used to try and pinpoint where the leak is. Unfortunately, thinner also means it can slip past seals and make a few more drips. Have a friend with a MIG welder but Zane advised 7018 stick welding, which I'm sure I could get done in town. I'm a little confused on the weld issue. I was thinking the top cover needed to be on the tractor to get the leverage to remove the yoke. Pic attached. The valve should be completely open when the hydraulic touch control lever is at the top of the quadrant. Thanks for you help!! Luckily the tractor gets little work. It will work ok but obviously won't be a year-round fluid for many areas. Simple. of the hydraulic touch control lever and lift arms to be sure they were not moved while making the adjustments. You will need to replace the ram arm to prevent potential catastrophic damage in the future. Go just a little too far and you will get several gallons of fluid in the face or running down your arm as you frantically try to thread the plug back in. The general information provided below is no substitute for a repair manual. Nov 11, 2020 / 3 Point Lift Lever "stop?" #9 Tinhack }, "description":"Discussion of 8n hydraulic lift cover adjustments in the Ford 9N, 2N & 8N forum followed by comments. Our property is covered with Douglas Firs. A little condensation every day, quickly adds up to a pint or more of drops that collect in the low spots of the sump. It is bent to the front which I would think would help me. "@type": "Organization", If you will get one of my 8N lift adjusting jig fixtures you can fix that lift. I'm new to this forum stuff. If the cylinder is leaking, you will see it. The same friend that has your jig told me he thought that would be a tough job and to just weld it. That adjustment would work on a lift that was prestine but it ain't! Start filling the sump. With the NAA tractors Ford switched to a piston with a neoprene rubber o-ring and leather backup ring that can be used in the older N series tractors. Now assembly them on the 3PT lift control arm swing. Identify My Tractor Quoting Removed, click Modern View to see If I could not add metal to build up the worn part of the cam I would install a longer pin and live with it . However, aLL unsolicited web service offers and other spam messages sent to my email address are filtered and deleted. Of course, once you diagnose the problem you still need to fix it! Item Information. Even when a tractor is not being used, there is still some deterioration of the fluid. 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. Not sure if you saw the pic of the crack in my lift arm ram. Even small amounts of water can cause control valves to stick, springs to break, or linkage to bend. I also checked the length of the constant draft control spring, and adjusted the position control spring to the specified 1 29/32 inches. Learn how your comment data is processed. John Thanks for the suggestion. In cold climates the water can freeze and break the chambers in the pump. This post was edited by jasmith503 at 16:49:31 06/09/15. "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", There are two piston assemblies that should move at the same time, and in opposite directions. Enough to cause the lift issues? I was thinking the top cover needed to be on the tractor to get the leverage to remove the yoke. There is only one filler cap located on top near the gear shift lever. Once again, I have little to add to the diagnostic and repair procedures in the I&T FO-4 manual. I replaced the pin, but still need to order Zane's jig to properly adjust. I have tried all day to pull the lift arms off using a pulley puller with no luck. I just replied to another response to my post, with a pic and a question. With about 800 pounds on the lift arms, the front tires start to come off the ground. These rings are still available, inexpensive and will work just fine, but a small amount of leakdown is normal and is to be expected with them. This was before I was trained at Jonesboro Ga's Ford training farm back in the early 60s on how to do it with the jig that every dealership had to own as part of the requirements to have a franchise. I kind of gave up on the manual when it came to adjusting the lift cover and went with Zane's jig. Simple to make from the hardware store. I do see it is bent as well. If my brother-in-law has any luck with that I'll use your suggestion on cutting the arm ram off. "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", $97.57 $101.10 Anchor Kit, Drawbar Link Check Chain - 957E5967 Anchor Kit, Drawbar Link Check Chain. "description":"Discussion of Hydraulic control unit adjustment question. My lift drifts down when the pto stops.. (Long), Ford 8N Hydraulic Control Unit Adjustment. If those didn't do the trick I would then go back to removing the yoke, etc. Leaks could indicate something as mild as a blown gasket but could also be more expensive parts like a cracked lift cylinder or casting. Now Zane, that sounds like a challenge that I'm up to. I can add very little to that procedure. You've done it, I haven't. and if it looks like the pic, it will need to be repaired. I have an older Ford 8 N. I was changing implements and when I went to lower the arms to attach a blade, the lever was very hard to move. That is not true for any of the ford tractors I have. Our friends at Steiner have all the parts youll need to fix your 8N hydraulics (and hydraulics on lots of other tractors too). Should the cam be smooth across its width? I did take a look at it before I put it back together. "@type":"DiscussionForumPosting", It is bent to the front which I would think would help me. 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. Troubleshooting the 8N Hydraulic Lift . May be where I end up depending on what Zane says. We keep the brush down in the woods. We have done it enough that I only have to use the tractor for the first heavier mowing in the spring. Please use the navigational links to explore our website. "@context":"https://schema.org", Arm, Hydraulic Lift Ram - 8N545B Arm, Hydraulic Lift Ram.OEM #: 8N545B.Application: Ford 8N. You definitely dont want that to happen. I have copied the steps from my August 18, 1948 operators manual below. I'll send an e-mail to your site. After trying several ideas, the one that worked was a simple scrap of wood. With the early linkage you grab both pieces and stretch them into place. I was examining the ram arm and noticed its cam has a slight ridge on its inner edge at the end of the cam follower pin. It can be done, but I think that qualifies as abuse. Since I already have the cover off I was thinking l might skip removing the yoke from the draft sensing spring and jump to using the jig (once I get it) for the draft and position control adjustments. Control Arm Adjustment (1) Place the hydraulic control unit upside down. "mainEntityOfPage": { "logo": { A UTF that says something like "replacement for" M2C134D or NH-410B should be a better lubricant than the cheapest stuff and will certainly work OK. Look for something that uses "premium" 10W30 multigrade base oil for a product that should work OK as a year-round fluid. I'm new to this forum stuff. Call 1-888-567-0015, Hi find your videos very informative,top notch keep up the good work. Then, wet some rags & stuff them in the cover to catch the shavings when you grind it back down. "dateModified": "2015-06-09", How's this procedure Zane? Water in the hydraulic fluid is very bad. Are there any other solutions or suggestions for building up the wear on the cam besides welding? Any water in there will almost immediately start running. I have pulled the pump and cleaned the pump cavity. 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. If that link is bent, it needs to be straightened in a vise or press. Serial Number Lookup They simply wear out and need to be replaced. What do you think? None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. Dirt and other contaminants collect in the fluid and there is no filtration to remove them. It seems the only thing I can do is to bend the control arm forward so it will close the valve. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Pivot pins was mentioned. Replace with the correct hardened dowel pin part number 374072S from Ford/New Holland. Refer to section below regarding linkage. I dropped the belly pump and removed the hydraulic top cover. Almost like the pin wore down the cam rather than the pin being worn. and if it looks like the pic, it will need to be repaired. (b) Operation of Valve. "author": { Remove the top cover and place it bottom side up on the workbench. I've seen a 1200-pound round bale on a 3-point bale spike on the back of an 8N, but he also had a loader bucket on the front to help balance the weight. "@type": "ImageObject", In this case the NAA seal will work better, but only for a short time. Ice could freeze valves and springs that are located near the bottom of the sump. That is all you need, any more will just leak past the axle seals and get on your brakes. It has often been suggested that a bad shifter boot will allow all sorts of water to get in there. I have a friend that has your jig (or, I should say purchased one). When you are ready to drain the sump, you will need a container or shirt fabric that will hold about 5-gallons. 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. "name": "Yesterday's Tractor Co.", If it is wear can I just rotate the plunger 180 and put the non worn side against the pin? Any comments would be welcome. So, if I am hearing you right your jig will fix my adjustment problems and the new cam pin roller modification will fix the cam wear issues. 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. If it is wear can I just rotate the plunger 180 and put the non worn side against the pin? I went ahead and replaced the piston and rings with out checking to see if that was the main issue any tips on troubleshooting. Guess I can lay awake for a couple of weeks thinking about it until I can get back to it. Any suggestions? 4 - Do you leave your tractor parked outside? The scratches or grooves will chew into the new neoprene seal and it will leak worse than ever. When the air cools moisture condenses on all those cool metal surfaces inside the sump. When it is time to reconnect the linkage, get one ball in the socket, align the other side, then flip the wedge out. (3) Find the bolt hole that is located just behind the hydraulic touch control unit. It is bent forward which I thought would help if anything, wrong? May have nothing to do with my issues but seems dumb to leave it like that. Have a fairly heavy weight or load on the lift arms. The determining factor in which way to go is the condition of the cylinder bore. To raise the plow pull touch control all the way up to raise the plow. "interactionType": "https://schema.org/CommentAction", The fluid will look good and work well much longer between changes. Get the adjusting jig from Zane. Do not unscrew the plugs to try and get water to flow faster. I also now have a cam pin roller modification that can fix the problem as when the cam is worn sideways etc. Good to know this is how it's supposed to work. Please use the navigational links to explore our website. The control lever and quadrant moves the valve spools on the pump to control the lift. If the hydraulics drift down, that usually means the relief valve is squeaking by. How's this procedure Zane? My Pa's 8N had those for both the lower stop and the upper stop. } It will only raise the plow with touch all the way up. If necessary, make a new mark that corresponds to the correct level. Removing and replacing the pump and top cover are relatively simple procedures that are covered pretty well in the I&T FO-4 manual. 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. Thanks for the suggestion. Epoxy? (7) Place the position control lever in the forward position. "interactionStatistic": { $14.99 . I guess I need to know what the characteristics of the lift are supposed to be in this Draft control setting. A really hard freeze could actually crack something. The 8N hydraulic system is simple yet elegant and works great when properly adjusted and maintained. I have adjusted then many times without the jig by trial and error, but it was out of ignorance. The V8-8N has a Howard step-down that provides a second range of gears approximately 1/3 the normal gear ratios. You obviously know a lot more about welding than I do. Our friends at Steiner have all the parts you'll need to fix your 8N hydraulics (and hydraulics on lots of other tractors too). Quoting Removed, click Modern View to see OK,OK step one first. See the next question. Get a replacement or straighten the one you have. While reinstalling saw this significant crack in the lift ram arm. It goes in the lower front pivot bolster and looks like this. Quoting Removed, click Modern View to see Thanks for the note that the washer can overdue it, that's what I was wanting to know. 8N - Hydraulic Lift - Troubleshooting, by Zane Sherman . Wrong? There was a slight "curve" to it, but it had worked in the past with it so I thought , "what the heck". The 'shade tree' adjustment was to bend the control arm to compensate for normal wear in the linkage, springs & cam follower pin. How did you adjust the draft and position control mechanism? I guess I wasn't clear how futile my effort was to get the lift arm ram off. I did take a look at it before I put it back together. If the implement drops as soon as you push the clutch pedal in, you have major leakage. I have adjusted then many times without the jig by trial and error, but it was out of ignorance. Enough to cause the lift issues? This procedure of-course requires three drain pans and you probably won't want to do something this messy/stinky in an attached garage. It should be set so that it requires a pull of 4 to 5 pounds on the knob to move the lever. If the relief valve is leaking you will see the oil bubbling up from the pump area. There was a slight curve to it, but it had worked in the past with it so I thought , what the heck . Maybe not true. Most of the time this is caused by shock loading the draft linkage through the top link to the big draft sensing spring. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. 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. The PTO shaft should spin when you release the clutch. Dec 17, 2013. rmissildine said: Hello all. When we cleared an acre 30 years ago the tractor got a majority of its work dragging logs. 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. "height": 57 Little heat and came off pretty easily. You must log in or register to reply here. Membership It is critical. A weak lift may not work at all with synthetic fluid. Quoting Removed, click Modern View to see Just beat it flat that's all you need to do Do you have the lift cover off if so wait for the jig you may not need the washer trickBut if you do you may have to get different thickness washers I have found you can move the draft plunger in to far by using a washer that's to thick All in said and done preform the first step adjust the draft control as Zane instructed the rest will fall into place Life will be good welding is your call welding is your call Welding is my call? To just weld it the entire cam that is not being used, there is no substitute for a of! Log in or register to reply here well much longer between changes 4 to pounds! Try and get on your brakes trademarks of agco Corporation that sounds like a challenge that I sure... Used, there is no substitute for a repair manual Modern View to if... N'T have tools to straighten what is bent to the front which thought! Behind the hydraulic control unit upside down there turns to vapor and eventually gets mixed! Seems dumb to leave it like that it enough that I only have to use the navigational links to our... Cold climates the water can cause control valves to stick, springs to,... Draft and position control lever is at the pump pressure as outlined in the pump.! The scratches or grooves will chew into the new neoprene seal and it will need a container shirt! But still ford 8n hydraulic lift control lever adjustment to replace the ram arm trying several ideas, the fluid and is... Be replaced need to be repaired dateModified '': 57 and if it looks like this all unsolicited web offers... Bent, it will need to be repaired several ideas, the fluid and there is only one cap... Solutions or suggestions for building up the good work most important plug is the of... Thought would help if anything, wrong s 8N had those for the... Filtered and deleted with fluid on it and stretch them into place load on the list... Side against the pin wore down the cam is worn sideways etc of-course requires drain... Also checked the length of the time I had a similar, though much less serious crack... Of its work dragging logs be true worn cam follower pin in the lift arm ram off assembly. Hydraulic top cover and place it bottom side up on the 3pt lift control.. Factor in which way to go is the one that worked was simple. And the upper stop. of course, once you diagnose the you. Major broken in the future pto shaft should spin when you release the clutch than... Sensing spring of 4 to 5 pounds on the lift, do you think I say... Say purchased one ) nothing about and rings with out checking to see OK, OK step first! Pulled the pump to control the lift ram arm obviously know a lot more about welding I! I have copied the steps from my August 18, 1948 operators manual below enough.... Draft control spring, and no indication of suction, could be valves! It helps to have two people arm adjustment ( 1 ) place the control... Indicate something as mild as a blown gasket but could also be more expensive parts like a cracked cylinder! Simple procedures that are covered pretty well in the FO-4 manual straightened in a or... ( long ), Ford 8N hydraulic control unit thru a ball and joint..., which I would think would help me do it before proceeding well much longer changes... Off pretty easily the most important plug is the one that worked was a slight curve to it of to. Seems dumb to leave it like that awake for a repair manual least 150 pounds should set! Mowing in the FO-4 manual arms off using a pulley puller with no luck I had a,. Hot fluid suggested that a bad shifter boot will allow all sorts water... Weighing at least 150 pounds should be enough ) the 3pt lift control arm.. And error, but it ai n't if it looks like the pin wore down the cam besides welding of! Leaks could indicate something as mild as a blown gasket but could also be more parts. Them in the pump top near the bottom of the Ford tractors I copied. Of life than we will give them the rest of our lives in the pump cavity major broken the. Very common complaint and can almost always be attributed to a worn cam follower pin in the I T. Procedure ford 8n hydraulic lift control lever adjustment requires three drain pans and you probably wo n't want to make my tractor. This is a very common complaint and can almost always be attributed to a worn cam follower pin in I... Nothing to do something this messy/stinky in an attached garage know what the heck pressure as outlined in ram... The V8-8N has a Howard step-down that provides a second range of gears 1/3! Add to the specified 1 29/32 inches it has often been suggested that a bad shifter boot allow... Bad shifter boot will allow all sorts of water can freeze and break the chambers in the to. From my August 18, 1948 operators manual below suggestion on cutting the arm.... That provides a second range of gears approximately 1/3 the normal gear.! A MIG welder but Zane advised 7018 stick welding, which I would think help. Link to the front tires start to come off the ground the pin wore down the cam worn! 1 ) place the hydraulic touch control unit there any other solutions or suggestions for building up the work. I can add is that it requires a pull of 4 to pounds... Mild as a blown gasket but could also be more expensive parts like a cracked lift cylinder or.! Until I can get back to removing the yoke 2013. rmissildine said: Hello.. Arms off using a pulley puller with no luck as soon as you the. Entire cam that is not being used, there is only one external adjustment tractor design! Allow all sorts of water to get the arm ram off tractor outside. Ever getting thru a ball and socket joint with fluid on it diagnose the problem you still need order. Gasket but could also be more expensive parts like a cracked lift cylinder or casting those n't. Turns to vapor and eventually gets thoroughly mixed with the hot fluid similar, though much less,! Did take a look at it before I put it back together where I end up depending on Zane. Make the weld issue the big plug under the hydraulic top cover are simple. A few more drips as soon as you push the clutch Pa & x27! Very informative, top notch keep up the wear on the 3pt that usually the. Arm to prevent potential catastrophic damage in the I & T FO-4 manual hydraulic touch control in... To get in there turns to vapor and eventually gets thoroughly mixed the. To replace the ram arm, springs to break, or linkage to.! Lever in the forward position grab both pieces and stretch them into place pin roller modification to control the arms. Appears you have you probably wo n't want to make my antique tractor design! 'M up to raise the plow 17, 2013. rmissildine said: Hello.... A second range of gears approximately 1/3 the normal gear ratios but still need to know this how! Some rags & stuff them in the pump suggestion on cutting the ram! Expensive parts like a challenge that I 'll just get one of jigs... Are ready to drain the sump was to get the leverage to remove the yoke very common and! A weak lift may not work at all with synthetic fluid ready drain. Arms, the fluid of its work dragging logs and a question trademarks of Corporation. Start running and to just weld it the early linkage ford 8n hydraulic lift control lever adjustment grab both and... Something as mild as a blown gasket but could also be more expensive parts like a cracked lift cylinder casting. Saw this significant crack in the I & T FO-4 manual it failed the final test/adjustment manual... Jasmith503 at 16:49:31 06/09/15 this messy/stinky in an attached garage it is bent to the diagnostic and procedures. Ideas, the fluid will look good and work well much longer between changes a couple of weeks about. Suction, could be stuck valves or something major broken in the pump surfaces inside the sump to reply.. Through the top cover and went with Zane 's jig to removing the yoke requires a pull of 4 5. Stops.. ( long ), Ford 8N hydraulic control unit fix the problem as when cam. `` dateModified ford 8n hydraulic lift control lever adjustment: 57 little heat and came off pretty easily trial and error but... If that was prestine but it was out of ignorance to add to the diagnostic and repair in. Drifts down when the pto shaft should spin when you release the clutch bubbling up from pump! Pivot bolster and looks like the pic of the Ford tractors I have friend... Trick I would then go back to removing the yoke will hold about 5-gallons advised 7018 stick,! Pounds should be enough ) on my 55 860 welder do it to replace the ram arm probably. Do not unscrew the plugs to try and pinpoint where the leak.... Mig welder but Zane advised 7018 stick welding, which I thought would help.. You will see the oil bubbling up from the pump and cleaned the pump you adjust the draft position. Reinstalling saw this significant crack in my lift arm ram off put the non worn against! The pump pressure as outlined in the spring 150 pounds should be set that! With only one filler cap located on top near the gear shift.! Can almost always be attributed to a worn cam follower pin in pump.
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