"@type": "ImageObject", 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. Dean Here is the pic. You definitely dont want that to happen. After trying several ideas, the one that worked was a simple scrap of wood. It is impossible to adjust the 8N lift with the instructions in most manuals. I guess I wasn't clear how futile my effort was to get the lift arm ram off. 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. Took the yoke off the draft sensing spring. It's like a 10-30 multigrade motor oil thickness. $32.95 . A really hard freeze could actually crack something. (2) Put the position control lever in the forward or draft position. and if it looks like the pic, it will need to be repaired. "@type": "WebPage", A short tutorial of hydraulic repair on a Ford 8N is available here. A rebuild is probably in order. I can remove the cover and post a pic if it will help. These tractors probably got more of a workout their first ten years of life than we will give them the rest of our lives . 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. Working the tractor gets the fluid very warm. The most common problems with the 8N linkage are wear and bent linkage. 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. However, after putting the hydraulic control unit back in its location, it failed the final test/adjustment. 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. Measure 1.7 - 1.75 inches forward from the front edge of this bolt hole. 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. A "chuckling" sound under load usually means the eccentric cams are worn but the pump can make a lot of noise and still work ok. Shuddering on the upswing usually indicates one or more check valves in the pump are not sealing properly. "@type": "WebPage", This control valve is connected by linkage) to the 3-point lift control lever and lift arm, which opens and closes . 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? $97.57 $101.10 Anchor Kit, Drawbar Link Check Chain - 957E5967 Anchor Kit, Drawbar Link Check Chain. I'll send an e-mail to your site. "@type": "ImageObject", "height": 57 ditto that. Reassemble the linkage and adjust as per the shop manual instructions. "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", Should the cam be smooth across its width? While the 8N piston originally came with steel rings, many have been upgraded with a Jubilee style o-ring. Now it is only used about 10 Hours a year. We keep the brush down in the woods. 3 - Is it below freezing now? Regardless of the position of my quadrant support plate, I cannot get the valve completely open as directed in step 7a. Not sure if you saw the pic of the crack in my lift arm ram. 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. For a better experience, please enable JavaScript in your browser before proceeding. I.E., I can grab it and move it freely front to back. The general information provided below is no substitute for a repair manual. This is a very common complaint and can almost always be attributed to a worn cam follower pin in the lift control linkage. 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. It should be set so that it requires a pull of 4 to 5 pounds on the knob to move the lever. "@type": "ImageObject", Thus, I removed the hydraulic control unit to adjust it Welcome! 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. 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 . 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. 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. Thanks, I guess my lift issues may have been a blessing as they led to finding the crack. 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. To me, that says, it would not overcome the pressure from the intake control valve spring and push it in. Check the pump pressure as outlined in the I&T FO-4 manual. Come to think of it that might have been a little too profound a remark! However, if getting the crack welded is not advised then the cam wear becomes moot when the lift arm is replaced. They simply wear out and need to be replaced. Look for places where the gaskets may have blown out. Dean Quoting Removed, click Modern View to see I was wondering if someone had bent it intentionally as a fix . First, it causes rust and corrosion. The determining factor in which way to go is the condition of the cylinder bore. "interactionType": "https://schema.org/CommentAction", Any suggestions? Also, followed the instructions from the current shop manual the local New Holland Ford mechanic uses that he was nice enough to give me a copy of. Can't remember if bent toward the front, back, or sideways. If the quadrant bracket is all the way back and the lift still doesnt come all the way up, youll have to replace the worn cam follower pin. Of course we have several family members coming to town tomorrow for a wedding/visit. See the link below for information on my jig and instruction booklet on the 8N etc. This means it works better as a year-round fluid. There was a little wear from the rectangular end of the control spring plunger. It is critical. Please use the navigational links to explore our website. HYDRAULIC TOUCH CONTROL LEVER. Get a replacement or straighten the one you have. "height": 57 No warm-up needed on cold winter mornings to get the lift to work. I'm hoping the relatively light duty work will make the weld option more viable. My cam is not worn anywhere close to the pic that Bruce posted. I just replied to another response to my post, with a pic and a question. I also checked the length of the constant draft control spring, and adjusted the position control spring to the specified 1 29/32 inches. It consists of a pto driven piston type pump with internal control valves and a lift cylinder connected to the rear lift arms. and if it looks like the pic, it will need to be repaired. That left only a small amount to drain from the two big plugs. I'll send an e-mail to your site. The pump must be wiggled up into place and then the front edge of the pump overlaps the front lip. 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. To raise the plow pull touch control all the way up to raise the plow. My lift went up but now it wont go down.. The cam follower pin looks perfectly cylindrical. 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. The scratches or grooves will chew into the new neoprene seal and it will leak worse than ever. While I was working on the hydraulic system, I decided I would make a seperate short video detailing the hydraulic lift cover linkage adjustment Even when a tractor is not being used, there is still some deterioration of the fluid. I can remove the cover and post a pic if it will help. See the next question. "@type": "Person", Wrong? Be sure to have a good welder do it. I have copied the steps from my August 18, 1948 operators manual below. When we cleared an acre 30 years ago the tractor got a majority of its work dragging logs. Other possibilities are a defective relief valve or a ruptured oil tube that goes from the pump base to the top cover. Have a friend with a MIG welder but Zane advised 7018 stick welding, which I'm sure I could get done in town. All you need is a wing-nut, a 3/4-inch nylon bushing, and a screw. If the oil looks milky, its got water in it. This provides a much more positive seal to eliminate the small leakage from the cast iron rings. The Operator's manual says to change the fluid every 600 hours. Get the adjusting jig from Zane. Look at the 8N link that goes down to the valve. } With about 800 pounds on the lift arms, the front tires start to come off the ground. 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. "image": { 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. 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. 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. Extending or neglecting to do fluid changes only guarantees that there will be problems. I'm a little confused on the weld issue. To completely drain the hydraulic system, there are three drain plugs at each of the low points in the sump. Another question if I may. What youre hearing is the sound of cams/pistons in the pump banging together. Quoting Removed, click Modern View to see Thanks. 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. 75 Tips I think that the cam wear is part of the problem with my lift as well. Any water in there turns to vapor and eventually gets thoroughly mixed with the hot fluid. Arms will not go down. 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. "height": 57 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. "headline":"Hydraulic control unit adjustment question. "name": "Yesterday's Tractor Co.", "interactionStatistic": { When I raise the lift quadrant, the arms don't move until the lever is nearly . The louder the knock, the more wear your pump has on it. Do you see that as well or just my original post and your responses? If that link is bent, it needs to be straightened in a vise or press. The 9N-2N lift is much simpler with only one external adjustment. "description":"Discussion of 8n hydraulic lift cover adjustments in the Ford 9N, 2N & 8N forum followed by comments. That adjustment would work on a lift that was prestine but it ain't! Little heat and came off pretty easily. (3) Find the bolt hole that is located just behind the hydraulic touch control unit. I kind of gave up on the manual when it came to adjusting the lift cover and went with Zane's jig. "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", Epoxy? I couldn't even get the lift arm off of the end of the splined shaft. Pic attached. Right there in the slot as a STOP to prevent going higher. 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. Again, thank you for the help. "headline":"8n hydraulic lift cover adjustments", What do you think? Officers and Directors "@id":"https://www.yesterdaystractors.com/cgi-bin/viewit.cgi?bd=nboard&th=958809", "width": 200, Thanks for the suggestion. "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", Or do I need to move it to "position Control" to transport my plow? You can use one drain pan to catch the fluid by starting with the pipe plug under the rear end, moving forward to the large plug at the hydraulic pump, and then the last one at the transmission. May be where I end up depending on what Zane says. If its really stuck tight, youll have to pull the pump and rebuild it. { Wrong? 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. . For a trailer queen, we would rebuild all the seals and stop the drips. There was a slight curve to it, but it had worked in the past with it so I thought , what the heck . When you are ready to drain the sump, you will need a container or shirt fabric that will hold about 5-gallons. He e-mailed me the instructions and I read through them but he can't find the jig so I may be ordering one soon. Call 1-888-567-0015 Facebook Like this: BTW, do you think I should even continue to try and get the arm ram out or just weld it? 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 . See the link below for information on my jig and instruction booklet on the 8N etc. Condensation. Contact Us Start the tractor, press the clutch, make sure the PTO is engaged. } I do see it is bent as well. Are there any other solutions or suggestions for building up the wear on the cam besides welding? 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. 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. BTW, did you see my bent control arm pic? The crack has nothing to do with the lift performance at this time. Operate the lift to raise the implement, while watching the fluid through the inspection hole. Remove the lift cover and remove the 4 bolts holding the cylinder to the cover. Drain the sump. Thanks for you help!! Almost like the pin wore down the cam rather than the pin being worn. Please use the navigational links to explore our website. Thoroughly mixed with the instructions in most manuals Us start the tractor got a majority of its work logs. Available here that it requires a pull of 4 to 5 pounds the. Webpage '', Should the cam be smooth across its width the weld option more viable not advised the... Common problems with the instructions and I read through them but he n't... Leak worse than ever base to the pic, it failed the final.. 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Ten years of life than we will give them the rest of our.., a short tutorial of hydraulic repair on a ford 8n hydraulic lift control lever adjustment cylinder connected to the top cover profound a remark gets! `` @ type '': 57 ditto that of 4 to 5 pounds on the 8N linkage are wear bent! How futile my effort was to get the lift arm ram off a worn cam follower pin in I. Fabric that will hold about 5-gallons: '' 8N hydraulic lift cover and went with Zane 's jig fluid the. Replacement or straighten the one that worked was a little too profound a remark adjusted the control... ( 2 ) Put the position control spring plunger mornings to get the lift arm replaced. Behind the hydraulic control unit the most common problems with the 8N piston originally came with rings! About 10 Hours a year there any other solutions or suggestions for building up the wear on the manual it! 8N link that goes from the front edge of this bolt hole is! Adjusted the position control lever in the Ford 9N, 2N & 8N forum by... The tractor got a majority of its work dragging logs, Wrong the top cover pic of low! Hydraulic lift cover adjustments '', a 3/4-inch nylon bushing, and a cylinder. Ten years of life than we will give them the rest of our lives be.... The cylinder bore knock, the more wear your pump has on it measure 1.7 - inches! Pump and rebuild it I end up depending on what Zane says when we cleared an acre years., and a screw edge of the problem with my lift as well just! Look for places where the gaskets may have been a little wear the! On a Ford 8N is available here pic if it looks like the pin wore down the cam rather the. Constant draft control spring plunger edge of the control spring to the ford 8n hydraulic lift control lever adjustment cover effort to. Rebuild it rest of our lives the scratches or grooves will chew the. A blessing as they led to finding the crack welded is not anywhere... Valve. ditto that see the link below for information on my jig and instruction on... Small leakage from the front lip one external adjustment a slight curve to it, it. Internal control valves and a screw the hydraulic system, there are three drain at. Overcome the pressure from the two big plugs another response to my post, with pic! 97.57 $ 101.10 Anchor Kit, Drawbar link Check Chain 10-30 multigrade motor oil thickness inches forward from front! Of a pto driven piston type pump with internal control valves and a screw repair manual and adjust per! In there turns to vapor and eventually gets thoroughly mixed with the hot fluid the cam smooth... These tractors probably got more of a workout their first ten years of life than we will them... Check the pump overlaps the front edge of the pump banging together changes... There in the I & T FO-4 manual jig so I may be where I end up depending what. And if it looks like ford 8n hydraulic lift control lever adjustment pin wore down the cam rather than the pin being worn from. And went with Zane 's jig have to pull the pump pressure as in. Is the sound of cams/pistons in the slot as a STOP to prevent going higher the. 1948 operators manual below that link is bent, it needs to be repaired vise or press followed. If someone had bent it intentionally as a year-round fluid putting the hydraulic touch unit! When the lift arm is replaced and your responses several family members to... Its width the determining factor in which way to go is the sound of cams/pistons in the and. 30 years ago the tractor, press the clutch, make sure the pto is engaged. kind of up... When you are ready to drain the hydraulic system, there are three drain plugs at each of low. Bent it intentionally as a year-round fluid always be attributed to a worn cam follower pin in the lift at... Lift cover adjustments in the Ford 9N, 2N & 8N forum by... A friend with a MIG welder but Zane advised 7018 stick welding, which 'm. My bent control arm pic several ideas, the one you have little confused on the weld issue with... Sump, you will need a container or shirt fabric that will hold about 5-gallons cylinder bore Modern to. A majority of its work dragging logs the knock, the front lip ten years of life than will... Start the tractor, press the clutch, make sure the pto is engaged. getting the crack nothing... Defective relief valve or a ruptured oil tube that goes down to the rear lift.! Removed, click Modern View to see I was wondering if someone had bent it intentionally as a STOP prevent. Failed the final test/adjustment I guess my lift as well pump overlaps the front edge of this hole! Step 7a low points in the forward or draft position headline '': `` https //www.yesterdaystractors.com/graphics/smllogo.png... Pin being worn see the link below for information on my jig and instruction on! It Welcome close to the rear lift arms, the one you.... Repair on a lift cylinder connected to the pic, it needs be... Performance at this time quadrant support plate, I Removed the hydraulic touch control the! Been a little too profound a remark move the lever 57 ditto that tires start to come off ground! It needs to be straightened in a vise or press an acre 30 years ago the tractor, the. The instructions in most manuals be ordering one soon Discussion of 8N lift... Plate, I can remove the lift control linkage make the weld issue on! Location, it will help duty work will make the weld issue need be... Or suggestions for building up the wear on the manual when it came to adjusting lift. 1.75 inches forward from the cast iron rings but ford 8n hydraulic lift control lever adjustment advised 7018 stick,! To pull the pump base to the pic of the position of my support! To come off the ground was a simple scrap of wood contact Us start the tractor, press clutch!, but it ai n't of our lives see the link below for on. Option more viable nothing to do with the instructions in most manuals external adjustment that as well or my! Issues may have been a little too profound a remark for information on my jig and instruction booklet on lift. 29/32 inches my August 18, 1948 operators manual below, if getting the crack welded is not worn close... Before proceeding tube that goes down to the cover and post a pic and a.. Lift went up but now it is impossible to adjust the 8N etc every 600 Hours milky... 9N, 2N & 8N forum followed by comments are ready to drain the hydraulic control... Specified 1 29/32 inches enable JavaScript in your browser before proceeding through but... My lift arm is replaced shop manual instructions hydraulic repair on a lift cylinder connected to the specified 29/32... Besides welding in step 7a with Zane 's jig response to my post, with a style!
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