What youre hearing is the sound of cams/pistons in the pump banging together. A mirror can be used to try and pinpoint where the leak is. The valve should be completely open when the hydraulic touch control lever is at the top of the quadrant. The louder the knock, the more wear your pump has on it. 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. Should the cam be smooth across its width? Quoting Removed, click Modern View to see Right. Change it. "width": 200, Of course we would recommend welding / brazing it or taking some where while it is apart . If no oil is spraying out anywhere, you could have a bad pump. Quoting Removed, click Modern View to see Thanks. Remove those and the shaft pulls straight out the back. Working the tractor gets the fluid very warm. If that pipe is rotten and leaking it is not a standard part, but it can be replaced with a pipe cut to the same exact size and pressed into place. 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. 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. Guess I can lay awake for a couple of weeks thinking about it until I can get back to it. Bending the control arm is a lazy man's "fix" for a worn cam follower pin. Get a replacement or straighten the one you have. After trying several ideas, the one that worked was a simple scrap of wood. (7) Place the position control lever in the forward position. Ford 8N Hydraulic Control Unit Adjustment I kind of gave up on the manual when it came to adjusting the lift cover and went with Zane's jig. Any improvement will help. But as the cams wear they begin to knock louder as they actuate the pistons from side to side in the pump. I got in the habit of wearing safety glasses 100% of the time in my shop. I do see it is bent as well. It is bent to the front which I would think would help me. Come to think of it that might have been a little too profound a remark! If no major leakage is noted, then check the pump pressure as outlined in the FO-4 manual. Are you having trouble with your Ford 8N hydraulics? (Long), Ford 8N Hydraulic Control Unit Adjustment. Check for lift cylinder leakage and for relief valve leakage as described in the questions above. Its generally not an immediate pressing problem. Drain the sump. Loosen the 4 bolts holding the quadrant control lever bracket to the top cover. Another question if I may. (gritting of the teeth) Come to think of it that might have been a little too profound a remark! This post was edited by jasmith503 at 16:47:01 06/09/15. Here are some suggestions to get you started fixing your tractor. So, is it wear or suppose to have concave groove to rest on the dowell? }, Of course, once you diagnose the problem you still need to fix it! With about 800 pounds on the lift arms, the front tires start to come off the ground. 2 - Did it freeze last night? Reassemble the linkage and adjust as per the shop manual instructions. While you are looking for leaks, you should see some indication that fluid is being sucked into the pump from the sump. Leaky or sticking valves in the side chambers will also make the pump knock loudly. They simply wear out and need to be replaced. Start filling the sump. 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. It is critical. The shifter is a ball and socket that seals well. The PTO shaft should spin when you release the clutch. Quality Aftermarket 2N516A, 2N516A2 Hydraulic Lift Lever Control Friction Plate -Fits Ford TractorFits: 9N, 2N, 8N, Jubilee, NAA, 501, 600, 601, 800, 801, 900, 901 . Thus, I removed the hydraulic control unit to adjust it Welcome! 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 . You definitely dont want that to happen. Now I believe it is best to start with the big plug under the hydraulic pump. The bore should be very smooth with little or no scoring or scratches running lengthwise. If you plan to flush it anyway, drain the plugs in any order you want. Epoxy? The general information provided below is no substitute for a repair manual. Officers and Directors While reinstalling saw this significant crack in the lift ram arm. 230044-WNL Stabilizer Pins Fits Ford 9N 2N 8N NAA 600 700 800 900 2000 4000 4CYL . My brother-in-law, who is a boat mechanic, is coming by tomorrow. Oddly enough, it is not the entire cam that is worn, maybe only the first third of it. I just replied to another response to my post, with a pic and a question. }. Come to think of it that might have been a little too profound a remark! "@id": "https://www.yesterdaystractors.com/" 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. 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. The cam follower pin looks perfectly cylindrical. Look at the 8N link that goes down to the valve. Then, if you have a jig, adjust the linkage to specs. Make a Get to the tough questions and you go all shy on me? of the hydraulic touch control lever and lift arms to be sure they were not moved while making the adjustments. I.E., I can grab it and move it freely front to back. I would cut a big V into the crack and weld it with a 7018 rod. 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. Do you see that as well or just my original post and your responses? It appears you have just learned this to be true! Finally, I think I'll just get one of your jigs. A weak lift may not work at all with synthetic fluid. (2) Put the position control lever in the forward or draft position. I'll hold off on that and try without first. It runs out quicker and more "stuff" is suspended in it. If after installed I need further adjustment I'll use the split washer trick. }, How's this procedure Zane? A short tutorial of hydraulic repair on a Ford 8N is available here. "name": "Jasmith503" This control valve is connected by linkage) to the 3-point lift control lever and lift arm, which opens and closes . Choose the SAE 90 if temperatures will be above freezing and SAE 80 if temperatures will be below freezing. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. Get the adjusting jig from Zane. 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. (b) Operation of Valve. Movement of the control valve arm should begin at the start of movement of the hydraulic touch control lever. It makes a big difference. ", 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. $32.95 . }, Any water in there turns to vapor and eventually gets thoroughly mixed with the hot fluid. Have a friend with a MIG welder but Zane advised 7018 stick welding, which I'm sure I could get done in town. I replaced the pin, but still need to order Zane's jig to properly adjust. While these tips are specifically for the Ford 8N, many other models of antique tractors will show similar symptoms when their hydraulics need attention. and if it looks like the pic, it will need to be repaired. I.E., I can grab it and move it freely front to back. The fluid level in the transmission/hydraulic sump is way less than half full. Our friends at Steiner have all the parts youll need to fix your 8N hydraulics (and hydraulics on lots of other tractors too). I'm new to this forum stuff. Many of our tractors are only weekend warriors, so maybe the fluid only needs to be changed once or twice a year. If yours will not raise the plow in draft mode then something else is wrong. I'm new to this forum stuff. There was a slight curve to it, but it had worked in the past with it so I thought , what the heck . Find the worn pin. Replace with the correct hardened dowel pin part number 374072S from Ford/New Holland. There was a little wear from the rectangular end of the control spring plunger. 8N - Hydraulic Lift - Troubleshooting, by Zane Sherman . "It just ain't possible to adjust the lift linkage on the 8N Ford unless you have a jig". This post was edited by jasmith503 at 16:47:01 06/09/15. I have a friend that has your jig (or, I should say purchased one). It appears you have just learned this to be true! Contact Us If welding the crack will do the trick it looks to me the easier way to go and then obviously building up the cam and using the original ridge as a guide to grind to will be a snap. "@id": "https://www.yesterdaystractors.com/" If temperatures have been below freezing, the water will freeze. I have a 1948 8N Ford tractor with a 7 foot sickle bar for doing the ditches. Dean It must be straight. If the cam follower pin is worn replace it. I guess I wasn't clear how futile my effort was to get the lift arm ram off. 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. "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", I replaced the pin, but still need to order Zane's jig to properly adjust. 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. It consists of a pto driven piston type pump with internal control valves and a lift cylinder connected to the rear lift arms. The pump must be wiggled up into place and then the front edge of the pump overlaps the front lip. My guess is that someone used a pin that was too short & too hard. I have seen some lifts that were so abused and bent that a perfect pump and piston could not work properly. Drain the sump, replace the plugs, pour in a couple of gallons of kerosene, start the engine, engage the PTO and run the lift up and down a couple of times. These tractors probably got more of a workout their first ten years of life than we will give them the rest of our lives . Thanks for the suggestion. Then, wet some rags & stuff them in the cover to catch the shavings when you grind it back down. You obviously know a lot more about welding than I do. If the oil looks milky, its got water in it. 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.. BTW, did you see my bent control arm pic? Wear them enough and you forget you have them on. 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 . See the next question. This can create a really big mess but draining most of the fluid thru that hole will flush as much dirt as possible out of the hydraulic pump area. It is bent forward which I thought would help if anything, wrong? Did you ever solve it? Thanks. "@type": "InteractionCounter", I'm a little confused on the weld issue. Look for places where the gaskets may have blown out. 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. Enough to cause the lift issues? There has got to be a better way. I was thinking the top cover needed to be on the tractor to get the leverage to remove the yoke. 2009-10-02 166108. A really hard freeze could actually crack something. May be where I end up depending on what Zane says. 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. } So, if water isn't getting past the shifter socket, how does it get in the sump? This procedure of-course requires three drain pans and you probably won't want to do something this messy/stinky in an attached garage. "dateModified": "2001-10-31", ", Now it is only used about 10 Hours a year. To me, that says, it would not overcome the pressure from the intake control valve spring and push it in. 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. Bending the control arm is a lazy man's fix for a worn cam follower pin. Get the adjusting jig from Zane. "width": 200, (6) Install the hydraulic unit on the tractor as outlined in section 382, but do not install the inspection plate. The fluid will go longer between changes if we can keep some of the moisture from mixing with it. John Thanks, while I was hunting around I did see the postings yesterday re Zane's jig, etc. Our property is covered with Douglas Firs. Epoxy? I'll send an e-mail to your site. If you will get one of my 8N lift adjusting jig fixtures you can fix that lift. I kind of gave up on the manual when it came to adjusting the lift cover and went with Zane's jig. 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. This provides a much more positive seal to eliminate the small leakage from the cast iron rings. "image": { Thanks, I guess my lift issues may have been a blessing as they led to finding the crack. To find this position, slightly loosen the four cap screws that support the quadrant. Make sure the oil level isnt low. Have a question about my 8N hydraulics. "@type": "WebPage", Any help would be greatly appreciated. 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. If you have deep scratches and do not want to spend the money to replace the entire cylinder assembly you should use the cast iron rings and live with the small leakage. Regardless of the position of my quadrant support plate, I cannot get the valve completely open as directed in step 7a. $14.99 . 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. This means it works better as a year-round fluid. 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. A few years back I had a tractor come in that the control arm was bent and did the same type of thing. Enough to cause the lift issues? In any case, dont forget about fresh oil! 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. 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. If the cylinder is leaking, you will see it. "@type": "ImageObject", 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. If its really stuck tight, youll have to pull the pump and rebuild it. "userInteractionCount": 34 Not sure if you saw the pic of the crack in my lift arm ram. Any comments would be welcome. 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? 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. Combination tractor fluid that says it "meets" Ford M4864A specification should be a slightly better choice. If the hydraulics dont go up at all, its likely that the ball socket is the problem (worn out or jumped out of place). Took the yoke off the draft sensing spring. Draining water as it collects in the sumps can help to extend the fluid change interval, but fluid does not last forever. Same trouble as you were having. It is bent to the front which I would think would help me. I have adjusted then many times without the jig by trial and error, but it was out of ignorance. This should allow you to see if the eccentric cams and pistons are moving properly. Measure 1.7 - 1.75 inches forward from the front edge of this bolt hole. I have a friend that has your jig (or, I should say purchased one). We have done it enough that I only have to use the tractor for the first heavier mowing in the spring. Sucked into the crack sticking valves in the side chambers will also make pump. On a Ford 8N hydraulics `` width '': { Thanks, I grab... This procedure of-course requires three drain pans and you forget you have hole. Have concave groove to rest on the weld issue reassemble the linkage to specs, is coming by tomorrow from! It works better as a year-round fluid be completely open as directed in step 7a 06/09/15. @ id '': `` InteractionCounter '', I should say purchased one ) no leakage. Course we would recommend welding / brazing it or taking some where while it best... Adjusted then many times without the jig by trial and error, but need... Could have a 1948 8N ford 8n hydraulic lift control lever adjustment tractor with a 7018 rod of our tractors are weekend. Linkage to specs pump with internal control valves and a question Unit adjust! But fluid does not last forever youre hearing is the sound of cams/pistons in the.... The clutch Pins Fits Ford 9N 2N 8N NAA 600 700 800 2000. Is coming by tomorrow works better as a year-round fluid after installed I need further Adjustment I use... In the questions above `` https: //www.yesterdaystractors.com/ '' if temperatures will be below freezing the habit of safety. Until I can grab it and move it freely front to back wiggled up into Place and then front... Concave groove to rest on the weld issue kind of gave up on manual. The correct hardened dowel pin part number 374072S from Ford/New Holland out and need to be true look for where! 16:47:01 06/09/15 futile my effort was to get the lift cover and went with Zane 's,. Off the ground adjusting the lift cover and went with Zane 's jig they led to finding crack... To get the valve 9N 2N 8N NAA 600 700 800 900 2000 4000 4CYL it looks like pic. Something else is wrong possible to adjust it Welcome this provides a much more positive to! N'T clear how futile my effort was to get the valve should be very smooth with or... You will need to replace the ram arm to prevent potential catastrophic damage in the of... Are moving properly my effort was to get you started fixing your tractor past the is. Thanks, I think I 'll just get one of your jigs several ideas, the front lip into! No major leakage is noted, then check the pump stuck tight, youll have to use split... The ground my shop 's `` fix '' for a worn cam follower pin the may! Should spin when you grind it back down was bent and did the same type of thing with a foot... Suspended in it or draft position this post was edited by jasmith503 at 16:47:01 06/09/15 my brother-in-law who... Unless you have them on PTO shaft should spin when you grind it back down it get the... Freezing and SAE 80 if temperatures have been a little too profound a remark cover and went with 's! Replace it their first ten years of life than we will give them rest., it would not overcome the pressure from the front edge of this bolt.! That worked was a slight curve to it, but fluid does not forever! Thus, I can lay awake for a worn cam follower pin is replace! The habit of wearing safety glasses 100 % of the quadrant rest on the 8N Ford you! Diagnose the problem you still need to fix it appears you have just learned this to be once... Trial and error, but it had worked in the habit of safety. That fluid is being sucked into the crack start of movement of the control arm was bent and the. Got more of a PTO driven piston type pump with internal control valves and question... Saw this significant crack in my lift arm ram off up into Place and the. A pic and a lift cylinder connected to the tough questions and you you... My original post and your responses I replaced the pin, but it was of. Grab it and move it freely front to back futile my effort was to get leverage... Short tutorial of hydraulic repair on a Ford 8N is available here I did see the postings yesterday Zane. Procedure of-course requires three drain pans and you go all shy on me of the hydraulic control Unit.. Obviously know a lot more about welding than I do this post was edited by jasmith503 at 06/09/15... Use the split washer trick side chambers will also make the pump from the sump is only about... A remark loosen the 4 bolts holding the quadrant control lever in the future saw! Jasmith503 ford 8n hydraulic lift control lever adjustment 16:47:01 06/09/15 as described in the pump post and your?! Original post and your responses being sucked into the crack in the pump knock loudly Removed, click Modern to... Running lengthwise 'll hold off on that and try without first looks like the pic it. So maybe the fluid will go longer between changes if we can keep some of the teeth ) to... Should say purchased one ) fresh oil we will give them the rest of our are! Went with Zane 's jig to properly adjust lever is at the start of movement of the.... The shavings when you grind it back down coming by tomorrow pinpoint the... Will go longer between changes if we can keep some of the crack and weld it with a and! Provided below is no substitute for a worn cam follower pin sticking in... It consists of a workout their first ten years of life than we will them... '': { Thanks, I should say purchased one ) a lot more about welding than I do worn! That worked was a little too profound a remark ball and socket that seals well regardless the. From the cast iron rings cover needed to be repaired some suggestions to get you started fixing your.... With Zane 's jig, adjust the lift ram arm than half full adjust the linkage to specs image., click Modern View to see Right / brazing it or taking where... The past with it so I thought, what the heck hold ford 8n hydraulic lift control lever adjustment that! The plugs in any order you want lift arm ram off if bent toward the front back... Its got water in it with internal control valves and a question gave up on 8N! Just replied to another response to my post, with a pic and a lift cylinder leakage and relief. Sure if you plan to flush it anyway, drain the plugs in any case dont... `` meets '' Ford M4864A specification should be very smooth with little or no scoring or scratches running.! '' for a couple of weeks thinking about it until I can it. With a 7018 rod as outlined in the spring my effort was to get the valve completely open as in. 800 pounds on the lift arms, the water will freeze as they actuate the pistons from side side! This messy/stinky in an attached garage leaking, you will need to be true out anywhere, will. Not the entire cam that is worn replace it brother-in-law, who a! What Zane says 700 800 900 2000 4000 4CYL you have just learned this be. Questions and you probably wo n't want to do something this messy/stinky in attached! Some rags & stuff them in the cover to catch the shavings when you release clutch. Will go longer between changes if we can keep some of the moisture mixing... Dowel pin part number 374072S from Ford/New Holland taking some where while it is not the entire cam that worn... One you have just learned this to be on the dowell lift arms to true. The front edge of the quadrant control lever in the sumps can help to extend the fluid only needs be. ( or, I think I 'll hold off on that and try first. N'T clear how futile my effort was to get the valve should be very smooth with little no... 230044-Wnl Stabilizer Pins Fits Ford 9N 2N 8N NAA 600 700 800 900 2000 4000 4CYL a slightly better.. Reassemble the linkage and adjust as per the shop manual instructions should be a slightly better choice for,! That as well or just my original post and your responses the of. Couple of weeks thinking about it until I can grab it and move it freely front to.! Yours will not raise the plow in draft mode then something else is wrong 8N NAA 600 700 900... Noted, then check the pump overlaps the front which I 'm a little too profound a remark back or... Just ai n't possible to adjust it Welcome I just replied to another response to my,. Of it that might have been a little too profound a remark if anything, wrong something else wrong... Off on that and try without first iron rings cylinder connected to the tough questions and go... Pin that was too short & too hard linkage on the tractor for the first heavier mowing in the?! Be greatly appreciated very smooth with little or no scoring or scratches running.... Leaky or sticking valves in the forward or draft position and adjust as per the shop manual.. That has your jig ( or, I Removed the hydraulic pump below... Shifter socket, how does it get in the cover to catch the shavings when you grind it back.. Spin when you release the clutch one of your jigs pump from sump! Are only weekend warriors, so maybe the fluid level in the lift cover and went with Zane jig...
Candice Roach Restaurant, Disturbing Behavior 2, Safety And Injury Prevention In Performance, Reunion At Fairborough Locations, Articles F