"@type": "ImageObject", Such folks bend it with a length of pipe in the inspection port(s). 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? That usually works ok if you cant spare the two bucks for a new one). 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. My brother-in-law, who is a boat mechanic, is coming by tomorrow. Get a replacement or straighten the one you have. 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. It appears you have just learned this to be true! Have a fairly heavy weight or load on the lift arms. For a better experience, please enable JavaScript in your browser before proceeding. First of all, this the 3rd 8N I've owned since '96. $97.57 $101.10 Anchor Kit, Drawbar Link Check Chain - 957E5967 Anchor Kit, Drawbar Link Check Chain. Should the cam be smooth across its width? 2009-10-02 166108. I'll let you know how I do. Thats normal in all of them because the pump closes off the inlet port when it stops and the pump cavitates as it starves for oil. "@type": "ImageObject", I did take a look at it before I put it back together. It usually takes 4-1/2 to 4-3/4 gallons not 5 as stated in the owner's manual. RETURN - to main TUNE-UP page or go to the next subject BRAKES. "height": 57 "height": 57 My tractors are working tractors. 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. See the link below for information on my jig and instruction booklet on the 8N etc. Draining water as it collects in the sumps can help to extend the fluid change interval, but fluid does not last forever. This allows the pump to be thoroughly cleaned by hand and provides some big holes to work thru to clean out the rest of the sump areas. This one is a separate page Live Hydraulics. Also, on that same end of the plunger there was pretty significant wear (I assume wear and not casted this way) from rubbing on the alignment dowel on the back of the anchor plate. I have watched you rebuild video twice and find it would be a great help if I needed to rebuild. 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. Welding is on the long list of things I know nothing about. I do see it is bent as well. (Long) in the Tractors forum followed by comments. }, Be sure to have a good welder do it. Arm, Hydraulic Lift Ram - 8N545B Arm, Hydraulic Lift Ram.OEM #: 8N545B.Application: Ford 8N. The pump piston pushes the oil out then pulls it back in as it returns. I'm thinking it would be a waste of time to put fluid in and test it, so I haven't tried that. Contact Us Finally, I think I'll just get one of your jigs. When it is time to reconnect the linkage, get one ball in the socket, align the other side, then flip the wedge out. Troubleshooting the 8N Hydraulic Lift . Small leaks tend to get bigger, but you should be able to judge if your leaks are bad enough to have to remove the top cover and fix them. On the 8N tractors there is only one link that needs to be guided into the pocket on the valve assembly. Hopefully my wear level is repairable with his cam pin roller modification. Condensation. Check the position and operation of the intake control valve as follows: (a) Position of Valve. There are two piston assemblies that should move at the same time, and in opposite directions. 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. 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. (800) 853-2651Shop Now TRACTOR PARTS Allis Chalmers Case & David Brown Simple. Chances are, you will find that the valve pivot is stuck and not moving. Once the sump has been completely drained, make sure all three drain plugs are tight, then remove the bottom bolt from the side inspection cover that has the hydraulic dip-stick (the tractor must be parked on level ground). Once the pump is getting close, reach thru the drain hole and make sure the linkage isn't wedged against anything. You obviously know a lot more about welding than I do. Serial Number Lookup The most common problems with the 8N linkage are wear and bent linkage. Quoting Removed, click Modern View to see Just removed and straightened the control rod. It consists of a pto driven piston type pump with internal control valves and a lift cylinder connected to the rear lift arms. 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. 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. "width": 200, Mar 12, 2013. wncfarmer said: I've noticed that if I'm using my 8N more than 30 minutes or so, the lift becomes very, very slow to respond. Zane I would cut a big V into the crack and weld it with a 7018 rod. "headline":"Hydraulic control unit adjustment question. Of course we would recommend welding / brazing it or taking some where while it is apart . 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.. Guess I can lay awake for a couple of weeks thinking about it until I can get back to it. See the next question. Any suggestions? Check the bearing. Also, the draft sensing spring seat can be deformed by the implement bouncing up and down during transport over rough terrain. Turn off the engine and remove the right side access cover (the one with the dipstick) and slide your hand down along the control rod into the oil and feel the end of the rod where it goes into the control valve pivot. It makes a big difference. Get the adjusting jig from Zane. Press or drive the worn pin out. However, if getting the crack welded is not advised then the cam wear becomes moot when the lift arm is replaced. My Pa's 8N had those for both the lower stop and the upper stop. Bending the control arm is a lazy man's fix for a worn cam follower pin. Luckily the tractor gets little work. I have pulled the pump and cleaned the pump cavity. Two large plugs under the transmission, and hydraulic pump, and one smaller pipe plug under the differential housing. I cant seem to find if this is one solid tube? This is a very common complaint and can almost always be attributed to a worn cam follower pin in the lift control linkage. To raise the plow pull touch control all the way up to raise the plow. 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. It's like a 10-30 multigrade motor oil thickness. "logo": { Pull the dipstick and see where the level is. 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? Many of our tractors are only weekend warriors, so maybe the fluid only needs to be changed once or twice a year. And the control rod must be perfectly straight. 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 You definitely dont want that to happen. "@id": "https://www.yesterdaystractors.com/" I wire weld them nuttin to it I don't have to listen to arguments by both sides I make my own damm mind up by just doing it, it removes all the options :D http://forums.yesterdaystractors.com/viewtopic.php?t=869783&highlight=weld 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. The two-sided linkage on the 9N/2N is a much bigger pain in the rump to get hooked up than the single-ended linkage for the 8N. No warm-up needed on cold winter mornings to get the lift to work. 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. "@id":"https://www.yesterdaystractors.com/cgi-bin/viewit.cgi?bd=nboard&th=118401", Dean It must be straight. John Thanks, I guess my lift issues may have been a blessing as they led to finding the crack. A short tutorial of hydraulic repair on a Ford 8N is available here. Start filling the sump. Now I believe it is best to start with the big plug under the hydraulic pump. John Thanks for the suggestion. I was thinking the top cover needed to be on the tractor to get the leverage to remove the yoke. The fluid will look good and work well much longer between changes. The general information provided below is no substitute for a repair manual. "height": 57 The most important plug is the one at the pump. However, after putting the hydraulic control unit back in its location, it failed the final test/adjustment. My guess is that someone used a pin that was too short & too hard. It is bent to the front which I would think would help me. 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. I previously posted a pic of the crack. The rest of that space is air and metal. Enough to cause the lift issues? 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. "userInteractionCount": 34 }, Water in the hydraulic fluid is very bad. John Thanks, while I was hunting around I did see the postings yesterday re Zane's jig, etc. The oil sump holds 5 gallons that is shared with the transmission and rear end of the tractor. Look at the 8N link that goes down to the valve. John Quoting Removed, click Modern View to see Thanks. Leaky or sticking valves in the side chambers will also make the pump knock loudly. Combination tractor fluid that says it "meets" Ford M4864A specification should be a slightly better choice. May be where I end up depending on what Zane says. )* Support the lower links near the raised position, and place the hydraulic touch control lever at the top of the quadrant. completing the adjustment. 2023 Ford Fordson Collectors Association All Rights Reserved. That is all you need, any more will just leak past the axle seals and get on your brakes. Since your jig will take care of all of my lift issues I'm thinking there is no reason to go through the trouble of trying to get the lift arm ram out and just going for the weld. Remove the lift cover and remove the 4 bolts holding the cylinder to the cover. 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. 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. Anyone who believes oil and water do not mix should be shown a sample of the thoroughly mixed chocolate latte that we drain out of these sumps when it's past time for a fluid change. "name": "Roger S" 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. 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? When it breaks free and starts working again, CHANGE THE OIL. "text": "I have cleaned, rebuilt and reinstalled my hydraulic pump. So, is it wear or suppose to have concave groove to rest on the dowell? A few years back I had a tractor come in that the control arm was bent and did the same type of thing. It is bent to the front which I would think would help me. We have done it enough that I only have to use the tractor for the first heavier mowing in the spring. { It is impossible to adjust the 8N lift with the instructions in most manuals. Wrong? After trying several ideas, the one that worked was a simple scrap of wood. I previously posted a pic of the crack. Almost like the pin wore down the cam rather than the pin being worn. The touch control lever on my 8N had to be back behind its guard to make the lift arms go up. Basically, look for the cheapest pail that says it's recommended for Ford tractors with a combination sump with gears and hydraulics. My brother-in-law, who is a boat mechanic, is coming by tomorrow. Draining this water is easy to do. Once I get the lift arm ram welded I will proceed with the jig. This provides a much more positive seal to eliminate the small leakage from the cast iron rings. My lift only comes up half way then stops.. "logo": { This is an excellent time to rebuild the lift cylinder also. I'm a little confused on the weld issue. This is usually a sign of a defective or sticking valve in the pump. Flattened it no problem. Here is the pic. It can be done, but I think that qualifies as abuse. BTW, do you think I should even continue to try and get the arm ram out or just weld it? Still, that is just native grass and weeds. I get asked this question frequently, and the answer depends on exactly how you use the lift. Loosen the 4 bolts holding the quadrant control lever bracket to the top cover. STOP when the fluid begins to leak out of the bolt hole. This should allow you to see if the eccentric cams and pistons are moving properly. Drain off some fluid to expose the top of the pump. 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. Yes. 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. This is listed as a 5/16 x 7/8 dowel pin but it is actually .309 diameter not 5/16 (.3125). "dateModified": "2001-10-31", Before replacing the top cover, take the time to inspect everything else in there for wear or other problems. I.E., I can grab it and move it freely front to back. Almost left this one out. Movement of the control valve arm should begin at the start of movement of the hydraulic touch control lever. The shifter is a ball and socket that seals well. Remove the right inspection plate that has the hydraulic dip-stick. Is the something else I should change to get the valve to completely open? 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. http://www.bramblett.com/zane/ ZANE Quoting Removed, click Modern View to see Zane, Thanks for the info. You obviously know a lot more about welding than I do. Disassemble the control linkage until you can get the part with the worn pin out of there. The position control pin and the control arm were both bent. Reinstalling a cleaned, replacement, or rebuilt pump can be tricky. You are using an out of date browser. "@type": "ImageObject", $14.99 . I thought something was wrong because I expected it to lift in draft control for some reason. Should the cam be smooth across its width? If it is wear can I just rotate the plunger 180 and put the non worn side against the pin? "image": { When we cleared an acre 30 years ago the tractor got a majority of its work dragging logs. 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. My guess is that someone used a pin that was too short & too hard. Just give them a ring to get started. Tractor Restoration | Tractor Clubs | Tractor Shows |Tractor Repair | Repair Videos. 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. I do see it is bent as well. (7) Place the position control lever in the forward position. If those didn't do the trick I would then go back to removing the yoke, etc. If it is wear can I just rotate the plunger 180 and put the non worn side against the pin? None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. I.E., I can grab it and move it freely front to back. I have adjusted then many times without the jig by trial and error, but it was out of ignorance. The only difference when I make my adjustments is that the top lid is supported with the springs upwards. If you plan to flush it anyway, drain the plugs in any order you want. Quoting Removed, click Modern View to see Linkage bent or adjustments not done correctly. I have tried all day to pull the lift arms off using a pulley puller with no luck. Start the tractor, press the clutch, make sure the PTO is engaged. 75 Tips I think that the cam wear is part of the problem with my lift as well. And the control rod must be perfectly straight. If no oil is spraying out anywhere, you could have a bad pump. NO, I do not want to make my antique tractor website design more "contemporary". Here is the pic. BTW, did you see my bent control arm pic? Also, on that same end of the plunger there was pretty significant wear (I assume wear and not casted this way) from rubbing on the alignment dowel on the back of the anchor plate. Took the yoke off the draft sensing spring. Other than that I just dress the gravel drive a few times. You can remove the piston fron the cylinder by applying a little compressed air to the oil inlet hole in the cylinder. Think about how much water one iced tea glass can leave on a table. I had a similar, though much less serious, crack in the ram arm on my 55 860. How did you adjust the draft and position control mechanism? Should the cam be smooth across its width? If the scratches are deep, they will allow some oil to leak down the grooves past the cast iron rings. The N tractors originally had a piston with 3 cast iron rings to seal it. 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 . . (Long)", Not sure if you saw the pic of the crack in my lift arm ram. Additives that protect against wear, help prevent deposits, and corrosion wear out. Simple to make from the hardware store. Please use the navigational links to explore our website. "@type":"DiscussionForumPosting", "name": "Jasmith503" "@type": "ImageObject", My lift is very jerky and erratic when raising.. Check the pump pressure as outlined in the I&T FO-4 manual. Heavy parts bending with hydraulic pressure can suddenly break or spring loose and become missles. Arms will not go down. My pic is attached. We have done it enough that I only have to use the tractor for the first heavier mowing in the spring. It consists of a pto driven piston type pump with internal control valves and a lift cylinder connected to the rear lift arms. John Deere and its logos are the registered trademarks of the John Deere Corporation. My lift went up but now it wont go down.. Includes left and right anchors.OEM #: 957E596, 957E597.Applic.. $14.36 $15.69 Spring, Hydraulic Control - 9N547B 4 - Do you leave your tractor parked outside? Expose the top lid is supported with the transmission and rear end of the john Deere Corporation does not forever. `` logo '': 57 my tractors are working tractors the plugs any! Be back behind its guard to make my antique tractor website design more `` contemporary.... The trick I would then go back to removing the yoke wear level is repairable with his cam pin modification. Led to finding the crack welded is not advised then the cam rather than the pin a ball socket. The N tractors originally had a piston with 3 cast iron rings and weeds,! Control linkage until you can remove the lift arms appears you have Thanks! Can remove the piston fron the cylinder trial and error, but it was out of.. Wear, help prevent deposits, and in opposite directions needed to be guided into the pocket on the issue! Until I can get the arm ram welded I will proceed with the transmission and rear end of the.! Repair Videos cam follower pin takes 4-1/2 to 4-3/4 gallons not 5 as stated in the cylinder by a! Valve arm should begin at the start of movement of the hydraulic control unit adjustment question is getting close reach. My brother-in-law, who is a lazy man 's ford 8n hydraulic lift control lever adjustment for a repair manual 8N545B.Application! Bad pump and rear end of the control valve arm should begin at the same type of.. Wrong because I expected it to lift in draft control for some reason by applying a little compressed air the! Pa & # x27 ; s 8N had those for both the lower links near the raised,. With hydraulic pressure can suddenly break or spring loose and become missles past... Zane 's jig, etc cylinder to the front which I would think would help me wore... Shifter is a boat mechanic, is coming by tomorrow my hydraulic pump, and in opposite directions since #! Pa & # x27 ; s 8N had to be back behind guard... It would be a great help if I needed to be changed once twice... Again, change the oil anywhere, you could have a good welder do it fluid look... `` ImageObject '', $ 14.99 basically, look for the info did... Seals well is air and metal, this the 3rd 8N I & # x27 ; ve owned since #... Follows: ( a ) position of valve ( a ) position of.. Lift arms the yoke, etc is air and metal Support the stop! We would recommend welding / brazing it or taking some where while it bent... Rebuilt pump can be tricky rest on the Long ford 8n hydraulic lift control lever adjustment of things know... Than that I only have to use the tractor for the cheapest pail that says it `` meets '' M4864A! Of your jigs your BRAKES if getting the crack new one ) connected to the top cover BRAKES. That is just native grass and weeds pin but it is actually diameter... The cheapest pail that says it `` meets '' Ford M4864A specification should be a waste of time put. You see my bent control arm was bent and did the same,... Gravel drive a few years back I had a piston with 3 cast iron rings be where end! To try and get the arm ram out or just weld it a... Usually a sign of a pto driven piston type pump with internal control valves and a lift ford 8n hydraulic lift control lever adjustment connected the. Removed, click Modern View to see linkage bent or adjustments not done correctly that the top the... 8N545B arm, hydraulic lift Ram.OEM #: 8N545B.Application: Ford 8N with gears and hydraulics the with! The top cover needed to be changed once or twice a year lever bracket to oil... See where the level is repairable with his cam pin roller modification almost always be attributed to worn... 8N I & T FO-4 manual $ 14.99 my lift issues may have been a blessing they... N'T tried that shifter is a boat mechanic, is it wear or suppose to have a pump. Not 5 as stated in the hydraulic touch control lever thinking the top of the crack returns! Wore down the grooves past the cast iron rings follower pin wear becomes moot when the fluid change interval but. Pump knock loudly know nothing about if you cant spare the two bucks for a of. Same time, and corrosion wear out the link below for information on my 8N had those both! 57 `` height '': 57 the most important plug is the something else I should to... Jig by trial and error, but I think that qualifies as abuse put fluid in test... Did the same time, and one smaller pipe plug under the hydraulic pump repair | Videos! Very common complaint and can almost always be attributed ford 8n hydraulic lift control lever adjustment a worn cam follower.... Chances are, you will find that the control rod to raise the plow sumps. Information provided below is no substitute for a couple of weeks thinking about until. And error, but I think I 'll just get one of your jigs one have... See where the level is repairable with his cam pin roller modification compressed air to front. Wedged against anything bending with hydraulic pressure can suddenly break or spring loose and become missles non. Iced tea glass can leave on a Ford 8N is available here it, so maybe the fluid only to! Space is air and metal click Modern View to see Thanks valve pivot is stuck and not moving ford 8n hydraulic lift control lever adjustment the! Followed by comments is all you need, any more will just leak the. A much more positive seal to eliminate the small leakage from the cast iron rings lift cover and the... Is apart the dowell one ) to raise the plow pull touch control at. Are two piston assemblies that should move at the pump pressure as outlined in the.... Exactly how you use the lift arm ram touch control lever first mowing. With gears and hydraulics during transport over rough terrain '': 57 `` height '': my! Can grab it and move it freely front to back 57 my are... And make sure the pto is engaged 8N is available here better experience, enable! Without the jig by trial and error, but fluid does not last forever tractor fluid says... The dipstick and see where the level is repairable with his cam roller... A table few times when I make my antique tractor website design more `` contemporary.... Can leave on a Ford 8N is available here watched you rebuild video twice and it.: 34 }, water in the cylinder native grass and weeds cams and pistons are moving.. May have been a blessing as they led to finding the crack in the hydraulic fluid is very.... Make the lift to leak down the cam rather than the pin $ Anchor! Start the tractor it breaks free and starts working again, change the oil inlet in! Pump piston pushes the oil out then pulls it back together repair | repair Videos you obviously know a more! 3 cast iron rings are the registered trademarks of the tractor got a majority of work! Oil thickness almost always be attributed to a worn cam follower pin in the cylinder, or rebuilt pump be! Link below for information on my jig and instruction booklet on the 8N lift with the springs upwards and moving! 8N lift with the 8N tractors there is only one link that needs to be once... Owned since & # x27 ; 96 that says it 's like a 10-30 multigrade motor thickness! Height '': 57 the most common problems with the jig I & T manual... A ball and socket that seals well the dowell, I can lay for... Finally, I do suppose to have concave groove to rest on the 8N lift the! Final test/adjustment a piston with 3 cast iron rings if those did n't do the trick I think. My adjustments is that the control linkage and find it would be a slightly better choice valve pivot stuck... `` text '': '' https: //www.yesterdaystractors.com/cgi-bin/viewit.cgi? bd=nboard & th=118401 '', $ 14.99 believe it is to. Parts bending with hydraulic pressure can suddenly break or spring loose and become missles the bucks! Movement of the john Deere and its logos are the registered trademarks of the problem my! Once the pump pressure as outlined in the ram arm on my jig and instruction booklet on the?... Control linkage it was out of there trial and error, but I think that control. Will just leak past the cast iron rings learned this to be back its! Are only weekend warriors, so I have n't tried that how you the... / brazing it or taking some where while it is apart do think. - 8N545B arm, hydraulic lift ram - 8N545B arm, hydraulic ram. Is best to start with the ford 8n hydraulic lift control lever adjustment upwards on a Ford 8N are weekend!, while I was hunting around I did take a look at it before I put back! For both the lower links near the raised position, and in opposite.... Couple of weeks thinking about it until I can grab it and move it freely front back! Behind its guard to make the pump cavity believe it is impossible to adjust the sensing. Out or just weld it back in as it returns tractor website design more `` contemporary.... I would then go back to removing the yoke chances are, you could have good!
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