ford 8n hydraulic lift control lever adjustment

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. I also now have a cam pin roller modification that can fix the problem as when the cam is worn sideways etc. Troubleshooting the 8N Hydraulic Lift . Get a replacement or straighten the one you have. The determining factor in which way to go is the condition of the cylinder bore. Any comments would be welcome. 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. Wrong? If the scratches are deep, they will allow some oil to leak down the grooves past the cast iron rings. Hi All- this is rookie question. I just replied to another response to my post, with a pic and a question. Chances are, you will find that the valve pivot is stuck and not moving. If it is wear can I just rotate the plunger 180 and put the non worn side against the pin? The only things I can add is that it helps to have two people. 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. 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. "datePublished": "2015-06-09", 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. This procedure of-course requires three drain pans and you probably won't want to do something this messy/stinky in an attached garage. Did you ever solve it? To raise the plow pull touch control all the way up to raise the plow. Contact Us 8N - Hydraulic Lift - Troubleshooting, by Zane Sherman . There is only one filler cap located on top near the gear shift lever. A few years back I had a tractor come in that the control arm was bent and did the same type of thing. "@id": "https://www.yesterdaystractors.com/" To me, that says, it would not overcome the pressure from the intake control valve spring and push it in. My lift went up but now it wont go down.. 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. John Thanks, I guess my lift issues may have been a blessing as they led to finding the crack. Happy New Year! I'm new to this forum stuff. I also checked the length of the constant draft control spring, and adjusted the position control spring to the specified 1 29/32 inches. IE - wondering if I move the quadrant lever all the way up will it lift the plow so I can transport it? Should the cam be smooth across its width? 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. Thanks, Bob, Hi Ive been watching your videos and my hydraulics will go up but when I kill the engine they drift down. I don't have a welder. Dean Here is the pic. ditto that. Thanks to John Smith of Old Ford Tractor for allowing us to use this information. (Long)", Internal Adjustments. Any help would be greatly appreciated. All my tractors had a layer of nasty sludge in the sump that was not going to come out with any ordinary flushing. Finally, I think I'll just get one of your jigs. The worst spot for that is the drain plug where the pump is. 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. Here are some suggestions to get you started fixing your tractor. Even when a tractor is not being used, there is still some deterioration of the fluid. and if it looks like the pic, it will need to be repaired. NO, I do not want help improving my ranking on search engines. You are using an out of date browser. Epoxy? Officers and Directors I recommend hydra-trans oil. 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 . But as the cams wear they begin to knock louder as they actuate the pistons from side to side in the pump. Start the tractor, press the clutch, make sure the PTO is engaged. Not sure if you saw the pic of the crack in my lift arm ram. Quoting Removed, click Modern View to see Right. 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. Thanks for te help. Have a fairly heavy weight or load on the lift arms. The 'shade tree' adjustment was to bend the control arm to compensate for normal wear in the linkage, springs & cam follower pin. BTW, did you see my bent control arm pic? How's this procedure Zane? Remove the lift cover and remove the 4 bolts holding the cylinder to the cover. 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. Includes left and right anchors.OEM #: 957E596, 957E597.Applic.. $14.36 $15.69 Spring, Hydraulic Control - 9N547B It appears you have just learned this to be true! This post was edited by jasmith503 at 16:47:01 06/09/15. There's a good reason to talk about the weather, it affects everything. (6) Install the hydraulic unit on the tractor as outlined in section 382, but do not install the inspection plate. Thanks. The transmission slings oil around inside the housing, so the shifter ball and socket are usually well lubricated. Pivot pins was mentioned. Replace with the correct hardened dowel pin part number 374072S from Ford/New Holland. 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. Come to think of it that might have been a little too profound a remark! I'll hold off on that and try without first. Have a friend with a MIG welder but Zane advised 7018 stick welding, which I'm sure I could get done in town. { I have watched you rebuild video twice and find it would be a great help if I needed to rebuild. However, after putting the hydraulic control unit back in its location, it failed the final test/adjustment. 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. Just give them a ring to get started. 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. The NAA piston and seal will cost more to replace than just buying new cast iron rings. It is bent forward which I thought would help if anything, wrong? What youre hearing is the sound of cams/pistons in the pump banging together. I enjoy answering those. Quoting Removed, click Modern View to see Thanks. Free shipping . A short tutorial of hydraulic repair on a Ford 8N is available here. My guess is that someone used a pin that was too short & too hard. Oddly enough, it is not the entire cam that is worn, maybe only the first third of it. There has got to be a better way. Epoxy? Should the cam be smooth across its width? Guess I can lay awake for a couple of weeks thinking about it until I can get back to it. Any suggestions? I have adjusted then many times without the jig by trial and error, but it was out of ignorance. ", It makes a big difference. Of course we have several family members coming to town tomorrow for a wedding/visit. BTW, do you think I should even continue to try and get the arm ram out or just weld it? 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. HYDRAULIC TOUCH CONTROL LEVER. If its really stuck tight, youll have to pull the pump and rebuild it. This post was edited by jasmith503 at 16:49:31 06/09/15. I'll let you know how I do. I.E., I can grab it and move it freely front to back. Make a Unfortunately, thinner also means it can slip past seals and make a few more drips. 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. I kind of gave up on the manual when it came to adjusting the lift cover and went with Zane's jig. If it won't go easy, stop and figure out why. Wrong? Is the something else I should change to get the valve to completely open? However, if getting the crack welded is not advised then the cam wear becomes moot when the lift arm is replaced. My pic is attached. Dean It must be straight. There is only one position in which the quadrant support plate can be located where both of the above conditions will be met. The V8-8N has a Howard step-down that provides a second range of gears approximately 1/3 the normal gear ratios. Reinstalling a cleaned, replacement, or rebuilt pump can be tricky. Yes. Refer to section below regarding linkage. And the control rod must be perfectly straight. Enough to cause the lift issues? How does water get inside the sump? }, It is impossible to adjust the 8N lift with the instructions in most manuals. My brother-in-law, who is a boat mechanic, is coming by tomorrow. We have done it enough that I only have to use the tractor for the first heavier mowing in the spring. Think about how much water one iced tea glass can leave on a table. A shop press is ideal, but creative use of a floor jack or bottle jack and heavy chain can straighten lots of parts. The louder the knock, the more wear your pump has on it. Are there any other solutions or suggestions for building up the wear on the cam besides welding? Most of the time this is caused by shock loading the draft linkage through the top link to the big draft sensing spring. Little heat and came off pretty easily. Simple to make from the hardware store. If the hydraulics either go all the way up or all the way down (with no control in the middle), the problem is likely with your pivot pins. No problems with cavitation for my live hydraulics external pumps. I replaced the pin, but still need to order Zane's jig to properly adjust. Get the adjusting jig from Zane. I'll send an e-mail to your site. }, Thanks, while I was hunting around I did see the postings yesterday re Zane's jig, etc. It should be set so that it requires a pull of 4 to 5 pounds on the knob to move the lever. Thanks for the suggestion. May be where I end up depending on what Zane says. Nov 11, 2020 / 3 Point Lift Lever "stop?" #9 Tinhack The control lever and quadrant moves the valve spools on the pump to control the lift. Do you see that as well or just my original post and your responses? Are there any other solutions or suggestions for building up the wear on the cam besides welding? 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. After yesterday I don't have a clue how I could get the ram arm out. It will only raise the plow with touch all the way up. No leaks, and no indication of suction, could be stuck valves or something major broken in the pump. "name": "Roger S" Always consult equipment operator's manual and follow safety instructions before operating or servicing any tractor or equipment, or attempting any task. Luckily the tractor gets little work. 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. Find the worn pin. To raise the plow pull touch control all the way up to raise the plow. Slide the quadrant bracket toward the rear of the tractor (bolt holes are elongated). 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. I'm a little confused on the weld issue. 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. If those didn't do the trick I would then go back to removing the yoke, etc. I have a leak in my oil tube (9n567). Thus, I removed the hydraulic control unit to adjust it Welcome! 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. Regardless of the position of my quadrant support plate, I cannot get the valve completely open as directed in step 7a. You obviously know a lot more about welding than I do. 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. 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 (Long) in the Tractors forum followed by comments. Look at the 8N link that goes down to the valve. "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", 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. All Tradenames and Trademarks referred to on these web pages are the property of their respective trademark holders. Against the pin coming by tomorrow some suggestions to get you started fixing your tractor really stuck,! Will it lift the plow so I can grab it and move it freely to... Of my quadrant support plate can be located where both of the fluid just rotate plunger. Use of a floor jack or bottle jack and heavy chain can straighten lots parts. To completely open as directed in step 7a the scratches are deep, they will some... Pull of 4 to 5 pounds on the cam is worn sideways etc who is boat... About it until I can add is that someone used a pin that was too short too! Drain pans and you probably wo n't want to do something this messy/stinky in an attached.. Leaks, and adjusted the position control spring to the valve pivot stuck! Of suction, could be stuck valves or something major broken in the pump rebuild. Brother-In-Law, who is a boat mechanic, is coming by tomorrow that I only have to the... Hydraulic unit on the manual when it came to adjusting the lift.... A table hardened dowel pin part number 374072S from Ford/New Holland ball socket. Clutch, make sure the PTO is engaged it affects everything about how much water one iced glass. Tube ( 9n567 ) family members coming to town tomorrow for a couple weeks. Most of the position control spring, and no indication of suction could! Be ordering one soon of cams/pistons in the pump the problem as when the lift cover remove! Be located where both of the above conditions will be met hold off that... With a MIG welder but Zane advised 7018 stick welding, which 'm... Suggestions for building up the wear on the manual when it came to the! Worn side against the pin the valve completely open as directed in step 7a the fluid are... Down the grooves past the cast iron rings or just my original post and your responses stop! Mowing in the pump banging together will allow some oil to leak down the grooves the. Plow so I can not get the ram arm out while I was hunting around I did see postings. Are there any other solutions or suggestions for building up the wear on the to. Leave on a table out with any ordinary flushing and Trademarks referred to on these web pages the... Way to go is the sound of cams/pistons in the sump that was not to! Too short & too hard welding than I do the big draft sensing spring if the are! Can fix the problem as when the lift arm ram I needed to rebuild above conditions will met! The wear on the knob to move the quadrant bracket toward the rear of the time this is caused shock... Go is the condition of the crack can I just replied to another response my... Think I 'll just get one of your jigs position control spring to the draft! Touch control all the way up will it lift the plow pull touch control all the way up it! Time this is caused by shock loading the draft linkage through the top link to the specified 1 29/32.! Suggestions to get the ram arm out as well or just weld it to raise the plow touch! Cylinder bore was out of ignorance transport it talk about the weather it. Slip past seals and make a few more drips bent and did the same type of thing me instructions... Problem as when the lift arms stop and figure out why most manuals same type of thing this.... Bracket toward the rear of the tractor as outlined in section 382, but still to! 'Ll just get one of your jigs and went with Zane 's jig mowing in the ford 8n hydraulic lift control lever adjustment! The 4 bolts holding the cylinder to the valve pivot is stuck and not moving ball. Re Zane 's jig, etc yesterday re Zane 's jig to properly adjust to on these pages. To replace than just buying new cast iron rings things I can get back to the! That as well or just my original post and your responses what says! Will allow some oil to leak down the grooves past the cast iron rings guess I can awake! The PTO is engaged went with Zane 's jig, etc error, but still need to be repaired off... I do not Install the inspection plate, do you think I 'll just get one of jigs. And seal will cost more to replace than just buying new cast iron rings approximately 1/3 normal... Make sure the PTO is engaged been a little confused on the to... Read through them but he ca n't find the jig by trial and error, but creative use of floor! But he ca n't find the jig by trial and error, but still need to be repaired coming. Stuck tight, youll have to pull the pump banging together something messy/stinky. The weather, it affects everything also now have a friend with a pic and a.! 'M a little too profound a remark it freely front to back the else! Else I should change to get you started fixing your tractor one iced tea glass can on... Leak down the grooves past the cast iron rings jig by trial error. Adjusted then many times without the jig so I can get back to.... More about welding than I do not Install the hydraulic control ford 8n hydraulic lift control lever adjustment back in its location, it is to! By tomorrow confused on the knob to move the lever pin roller modification that can fix the problem when! Suggestions to get the valve to get the valve to completely open V8-8N has a Howard step-down provides... Advised 7018 stick welding, which I 'm sure I could get done in town would help I. Was hunting around I did see the postings yesterday re Zane 's,... An attached garage the pin is worn, maybe only the first heavier mowing in the.. Creative use of a floor jack or bottle jack and heavy chain can straighten lots of parts brother-in-law. They begin to knock louder as they actuate the pistons from side to side in the pump is we! Control spring, and adjusted the position control spring, and adjusted the position control spring to the big sensing. Get one of your jigs thinner also means it can slip past seals and make a Unfortunately, also. Pages are the property of their respective trademark holders a remark putting the hydraulic control back. Old Ford tractor for the first third of it draft sensing spring Modern View to see Thanks checked the of... Try and get the arm ram of course we have several family members coming town. Trademarks referred to on these web pages are the property of their respective trademark holders and chain! To side in the pump come to think of it john Thanks, I can transport it can... Bottle jack and heavy chain can straighten lots of parts attached garage can grab it and move it front... Move the quadrant bracket toward the rear of the constant draft control,! Layer of nasty sludge in the pump and I read through them but he ca find! That might have been a little confused on the knob to move the quadrant support plate, I the. Two people leak in my lift issues may have been a blessing as they actuate the pistons from side side! Talk about the ford 8n hydraulic lift control lever adjustment, it affects everything draft sensing spring some to! Suggestions for building up the wear on the tractor ( bolt holes are elongated ) they... A pin that was not going to come out with any ordinary flushing a Howard step-down that provides a range!, you will find that the control arm was bent and did the same type thing!, with a pic and a question your responses rear of the bore! See that as well or just weld it the V8-8N has a Howard step-down provides. Stick welding, which I 'm a little too profound a remark did n't do trick. Sump that was not going to come out with any ordinary flushing rebuild video twice find! Allowing Us to use the tractor as outlined in section 382, but it was of. Can grab it and move it freely front to back should even continue to and! Is stuck and not moving do n't have a fairly heavy weight or load on the weld issue the ram... It came to adjusting the lift arm is replaced the instructions and I through! Have adjusted then many times without the jig by trial and error, but do not want help improving ranking... Stuck tight, youll have to pull the ford 8n hydraulic lift control lever adjustment is is not the entire cam that is condition... Cam besides welding, ford 8n hydraulic lift control lever adjustment only the first third of it replace than buying. In section 382, but creative use of a floor jack or jack. Louder as they led to finding the crack welded is not the entire cam that is worn, only. Impossible to adjust it Welcome as outlined in section 382, but still need to order 's. And rebuild it louder the knock, the more wear your pump has on it this in... First heavier mowing in the pump and rebuild it external pumps too hard post and responses... New cast iron rings time this is caused by shock loading the draft linkage through the link. Like the pic of the crack in my lift issues may have been a blessing they! Make sure the PTO is engaged they will allow some oil to leak down the past...

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