thanks again.
Now are the plugs firing at the correct time? This was a very reliable starting tractor prior to taking it apart. Guarantees? The Fora platform includes forum software by XenForo, Outdoor Hub, LLC (d/b/a Carbon Media Group), 30800 Telegraph Rd, Suite 1921, Bingham Farms, MI 48025 USA. Several years ago Belrus made their small model available through other sources such as Northern Hydraulic. They just won't start when all 4 are in there after flooding. TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. I cannot understand what caused the floats to collapse in the first place. Being that this price seems to be 1/2 to 1/3 of the price ofbrand named models, I am sceptical. The venturi must seat properly in the carb body. Full Choke and cranking it without starting should at least soak your spark plugs with gas. All clean, new needle valve set, floats and adjustment are correct. About a year ago, on my Ford 8N, I drained the gas tank (by running the engine until it went dry), removed the hood and gas tank to get at the radiator and change axles. at least the one installed does not match the picture they printed for me. My 8N has also been finicky even with a new tank, screens, bowls and lines etc. I can then put the old plugs back in one by one and burn whatever crud the gasoline is leaving behind off of them and they work fine. Definitely follow the 2 pieces of earlier advice on cleaning screens, the fact you ran it dry probably dislodged dirt and clogged somewhere in your system. "datePublished": "2003-08-18", Finally did the carb air intake test. runs great, many thanks to you both. John Deere and its logos are the registered trademarks of the John Deere Corporation. New float checked and re=checked to ensure adjustment and clearance.all jets and passages carefully cleaned. For a better experience, please enable JavaScript in your browser before proceeding. } the local tractor sales co has been helpful and from them it looks like we may have installed the wrong needle valve. Thanks for sticking with me this far and for all your help. That is a great illustration! "interactionStatistic": { ste@kendaco.telebyte.com "Don't hate nuthin at allste@four.net 'cept hatred"sim@linknet.kitsap.lib.wa.us, All good points. You may need to replace the venturi. Also make sure that your choke linkage and butterfly are not stuck closed and that the throttle linkage and butterfly move smoothly and freely. Being that this price seems to be 1/2 to 1/3 of the price of>brand named models, I am sceptical. Are the spark plugs clean / new / gapped properly? Becasue it's a gravityfeed fuel system all the junk goes to the bottom and can cause intermittantquiting when some of the junk gets sucked in. New float checked and re=checked to ensure adjustment and clearance.all jets and passages carefully cleaned. I assume you did the carb overhaul correctly and you are not trying to burn something other than clean gasoline , Spray starter fluid in the carb intake, see what happens .
see if the leak on the bottom of the carb stops. These are gravity fed filter messs up the fuel feed.
I should let my friends on the antique tractor list answer this, but the carb on the 8N is simple to rebuild. From memory: the hp rating was stated as "25hp at 2000 rpm"(i think). You have fuel to the float bowl but not to the cylinders as I understand it. I plan on working on the tractor myself, but if needed will a shoptake on a no-name tractor? Care has been given to avoid vacuum leaks. Good luck- these old tractors can make a person insane.-Amy>> >, While pageing through a Mother Earth News mag the other day I sawa tractor imported from China advertized ad $4999. The tractor itself isguarantted and there is guarantee of parts availability, but no mention ofservice.
", Thew float was set at .250 and has been cheched many times. Perhaps if all else fails, can you check to see what kind of compression you're getting as deerhide suggested?
Also check the carburatorfor dirt. My guess - You need new plugs. That maybe how it got crushed; it was put in backwars and when the top and bottom castings were tightened down, it collapsed the venturi.
I checked or had already checked everything described. "@context":"https://schema.org", Symptoms yesterday: it would kick once or twice, then the starter would disengage. I did not install a new fuel line and turn off valve as of yet, but have them on order. Starting fluid has no effect. The carb was cleaned and a new kit installed. stephenscity: Mike, wanted to thank you for the reply, when I bought the tractor the fuel cut off had been bypassed, but the tractor ran very well, that is until the fuel began running out of the carb and knew then that there was trouble! Make sure it is put in the right way. Second you didn't say but are you shutting off the fuel when not inuse? Heavy Equipment Air Intake & Fuel Delivery, Leave feedback about your eBay ViewItem experience, Zenith Carburetor Main Jet Adjusting Needle fit Ford 8N tractor B3NN-A 13876 B51, - Top Rated Plus - opens in a new window or tab, - eBay Money Back Guarantee - opens in a new window or tab, - for PayPal Credit, opens in a new window or tab, Learn more about earning points with eBay Mastercard, - eBay Return policy - opens in a new tab or window, - eBay Money Back Guarantee - opens in a new tab or window. I now have gas flowing abundantly. I can then put the old plugs back in one by one and burn whatever crud the gasoline is leaving behind off of them and they work fine. wanted to let you both know that you made this ole man's day a lot better. I had a stuck linkage on my Cockshutt and once freed, the tractor fired right up. How about the linkage to the governor from the carb? That would probably be the offering from China Desil.While I've never seen one of them, I do own one of the engines upon which its (probably) based. Wayne, Another thought re: the venturi. Are you sure that nothing is stuck under the needle valve seat? Thanks to you and the others for your interest and advise. At least you'll know that gas is actually getting into the engine, albeit, causing it to flood! I checked or had already checked everything described. "image": { Are the plugs not wet with fuel? I need some advice on how to adjust the jets on my ford tractor's carburetor. I will remove the filter and buy a new line to install, with a new cut off valve. I noted too that gas was also leaking out of what I would not have guessed was an opening on the underside of the carb. Did you take out the tube that sits in the venturi to make sure it was clear? Hey guys. JavaScript is disabled. After letting sit for a few hours, it would kick once or twice, but not much else. I start to adjust mine with the power screw out 1 1/2 out and the idle screw 1turn out. Inspection finds no obvious problem. Wayne, Another thought re: the venturi. A defective front mount coil will also give you fits. this is my last hope before a new $$ carb. Sounds like two separate problems. I appreciate any advice, as I am not carburetor savy!! "@type": "ImageObject", "@type":"DiscussionForumPosting", Will not start and appears to not be getting any fuel. I appreciate all of the forum friends and your advice!!!! Starting fluid has no effect. Not sure I understand the "Is there gas going into the intake manifold? we are bewildered--will try anything. Turn the fuel back on and look for fuel to drain out in a catch container. After removing the gas line at the bowl, I can see that no gas is flowing to the carburetor. is rated in so many different ways..how is it rated..can you see one in action?If it is that cheap it might pay to fly or drive to where you CAN see one dosome work. I followed Bill's suggestions pretty much in order and none changed the outcome until I added more gas. New carb kit, float and adjustment the tractor ran badly a short while before it started leaking fuel like before. Too much fuel to the float chamber and none to the cylinders. Often these offers are motivated by another country's quest for U. S. cash.The main points to consider is the reliability of the dealer or place of purchase and the terms of the warrenty. Pardon my ramblings!! It was 25 hp and hasa 3pt hitch. "dateModified": "2003-08-18", thanks again, I am learning as I go. It appears that even though the carb is full,fuel is not reaching the combustion chamber as the plugs remain dry. If you adjusted the float level properly than you must a) have something stuck under the needle seat that isn't allowing it to close, or b) you have a crack in the casting. Intake has vacuum. "height": 57 I referred to the carb intake; I should of said the carb Air intake give it a good squirt.Don't overlook the possibility that the float has a crack in it allowingfuel to enter and change its boyancy. Out on the idle screw leans the mixture and in enrichens it. "headline":"8n carb problems", Sounds like two separate problems. Thew float was set at .250 and has been cheched many times. Thanks to all. Thanks for your interest an we appreciate any help. Stuff came up and I didn't get back to installing the gas tank until now. Nice fresh gasoline never hurts either. Fuel leaks (pours) from the air intake pipe. I don't understand how the floats could be collapsed , nor do I understand how the venturi could be collapsed unless someone put the carb together without aligning the venturi properly, then screwed the top and bottom castings together, crushing the venturi. Please use the navigational links to explore our website.
Bill's diagram puts you on the right track. A defective front mount coil will also give you fits. }. It appears that even though the carb is full,fuel is not reaching the combustion chamber as the plugs remain dry. by the way that picture of the carb really helped !!!!
I have found that keeping my tank very full with gas has alleviated many of my starting problems; but that is only after you are ensured of unimpeded gas flow to the bowl and then to the carb. "logo": { at least the one installed does not match the picture they printed for me. Care has been given to avoid vacuum leaks. Thanks to you and the others for your interest and advise. The bowl was half empty but shaking the tractor got gas to fill up the bowl. If nothing else, I am learning something. : Since the gas tank sits above the engine, perhaps a worn needle valve. If it is a float or needle valve problem there should be evidence of fuel leaking if you allowit to sit awhile, not running, with the fuel turned on. "@id": "https://www.yesterdaystractors.com/" {"modules":["unloadOptimization","bandwidthDetection"],"unloadOptimization":{"browsers":{"Firefox":true,"Chrome":true}},"bandwidthDetection":{"url":"https://ir.ebaystatic.com/cr/v/c1/thirtysevens.jpg","maxViews":4,"imgSize":37,"expiry":300000,"timeout":250}}. They just won't start when all 4 are in there after flooding. "mainEntityOfPage": { "@type": "ImageObject", the local tractor sales co has been helpful and from them it looks like we may have installed the wrong needle valve. Care has been given to avoid vacuum leaks. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Could be junk in the carb. The flow circuit is from the tank, to the sediment bowl, to the tube, to the carb fitting, through the screen on the carb fitting, through the needle valve seat/valve into the float bowl. First You need to take that filter off the fuel line. Make sure it is put in the right way. It appears that even though the carb is full,fuel is not reaching the combustion chamber as the plugs remain dry. Are the plugs not wet with fuel? For some reason once flooded I always need new plugs to get started. Is this a standard horse power measurement? "height": 57 If you adjusted the float level properly than you must a) have something stuck under the needle seat that isn't allowing it to close, or b) you have a crack in the casting. The only other possibility is that you didn't adjust the float level properly. Sounds like it might be the screen in the float bowl, or the screen that goes up into the bottom of the gas tank is clogged. Something went wrong. For a better experience, please enable JavaScript in your browser before proceeding.
I cannot understand what caused the floats to collapse in the first place. Have you tried blowing air in the passages to make sure they are free and clear? A forum community dedicated to all tractor owners and enthusiasts. Sounds like you passed the spark testing procedure Glen. -- Geoffrey Leach C/C++/X11/Motif/OpenLook Implementationge@netcom.com Mountain Ranch Software P.O. Hmm stuck float? Is that some sort of an overflow weep hole? I checked or had already checked everything described. Since the gas tank sits above the engine, perhaps a worn needle valve in the carburetor is causing the flooding, if this is indeed the problem. Is this not a sufficient test of gas flow? Your new sediment bowl will come with the one for the tank but there is one where the line hooks up there and one at the carburetor end. Out on the idle screw leans the mixture and in enrichens it. Wayne, I presume that, when you say the carb is leaking fuel,(after you rebuilt it and replaced the defective float and the needle valve/seat and correctly adjusted float level) it is dripping out the intke pipe. Have you tried blowing air in the passages to make sure they are free and clear? It was 25 hp and has>a 3pt hitch. Box 336 Mountain Ranch CA 95246 209-754-1869.
I do have an 8N manual: Ford Shop Manual FO-4. Good luck. (I would post this to the antique tractor list, but I KNOW they would laugh). thanks guys, I'll try to do everything as posted! There may also be a fuel screen in the inlet elbow of the carburetor. I don't understand how the floats could be collapsed , nor do I understand how the venturi could be collapsed unless someone put the carb together without aligning the venturi properly, then screwed the top and bottom castings together, crushing the venturi. Has anyone owned/used/seen these tractors?>(I would post this to the antique tractor list, but I KNOW they would laugh). Obviously I am doing something wrong but I have Followed the manual carefully. Wayne, I'm assuming you have a Marvel-Schebler carburetor. Some say the power screw should be out 2 full turns. Thanks for all responses, Michael Murphy mvmu@attmail.at.com, > Speaking of tractors>>> While pageing through a Mother Earth News mag the other day I saw>a tractor imported from China advertized ad $4999. "name": "Wayne Louton" { "@type": "InteractionCounter", Seller assumes all responsibility for this listing. I assume you did the carb overhaul correctly and you are not trying to burn something other than clean gasoline , Spray starter fluid in the carb intake, see what happens . My guess - You need new plugs. The flow circuit is from the tank, to the sediment bowl, to the tube, to the carb fitting, through the screen on the carb fitting, through the needle valve seat/valve into the float bowl. A defective front mount coil will also give you fits. It's possible the float level was set wrong, but I would sure try to adjust it first. If air leaks around it than the mixture will be too lean. That maybe how it got crushed; it was put in backwars and when the top and bottom castings were tightened down, it collapsed the venturi. "@type": "WebPage", Obviously I am doing something wrong but I have Followed the manual carefully. Make sure you have all the screens in the line. You could be in store for a carb cleaning or a rebuild. View cart for details. Has anyone owned/used/seen these tractors?
No spark? Unfortunately for me, I must have had another problem, either when I shut it down way back when or was created during the lengthy sit. }, The tractor wouldn't start. "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", Thanks to you and the others for your interest and advise. go to the distributorIf you have gas and spark check compression.
Spin it over with the choke fully closed; gas should drip out of the carb intake". Thew float was set at .250 and has been cheched many times. Thanks for your interest an we appreciate any help. Also make sure that your choke linkage and butterfly are not stuck closed and that the throttle linkage and butterfly move smoothly and freely. ", >> Mike Murphy> mvmu@attmail.att.com, Either email addresses are anonymous for this group or you need the view member email addresses permission to view the original message. this is my last hope before a new $$ carb. After warming up for a few minutes, I moved it about 100 yards. When trying to restart, it wouldn't kick over at all. Hp. I start to adjust mine with the power screw out 1 1/2 out and the idle screw 1turn out. They just won't start when all 4 are in there after flooding. "width": 200, Their engines are reliable, but notmuch in the fit-and-finish department.Same goes for the people at Chana Desil, come to think of it. If fuel is pouring out of the intake pipe than either the needle valve isn't closing or the casting has a crack in it Take the fitting off and make sure the screen hasn't come off and jammed the needle valve open. Wayne, I'm assuming you have a Marvel-Schebler carburetor. If not it may be setting there and flooding itself. Anyway, my 2 cents on your problem: it is possible that your carburetor and fuel system need to be cleaned out.
Send an e-mail message to: antique-tra@ledger.co.forsyth.nc.us. How do you know that it doesnt seem to be getting fuel? for creasing the pasture, You do not have permission to delete messages in this group, : clearing snow off the driveway, and general messin' around. the local tractor sales co has been helpful and from them it looks like we may have installed the wrong needle valve.
There may be something else going on, but try plugs before putting too much more time into it. It could be a sticking float. The carb was cleaned and a new kit installed. You may need to replace the venturi. "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", thanks again. "publisher": { The brass venturi does not seem to fit tight as if it has been slightly collapsed. I know that it is too rich- hard to start and just barely runs after starting- pouring out dark smoke-eventually it evens out but runs faster than it should on idle! It is just forward of the plug at the bottom rear of the carb. }, +--------------------------------+----------------------------------------+| Dick Parsons | ---- || NRA Life Member | | o ~ || Certified: IPA IRA ISA IHA | L_|->_______I_ || Harris Controls Division | _/ \_| | || Melbourne, Florida | [| o |------_--[] "I'd rather be || email: dpar@ccd.harris.com | \___/ (o) be farming!" That maybe how it got crushed; it was put in backwars and when the top and bottom castings were tightened down, it collapsed the venturi. Copyright 1995-2022 eBay Inc. All Rights Reserved. When was the last time you put a drop of oil in the oil cup on the side of the distributor to allow the spark advance to work? I assume you did the carb overhaul correctly and you are not trying to burn something other than clean gasoline , Spray starter fluid in the carb intake, see what happens . A forum community dedicated to Antique & Classic Tractor owners and enthusiasts. For some reason once flooded I always need new plugs to get started.
8Ns didn't have fuel filters, except for the small screen in the tank. Is there gas going into the intake manifold?
Shut off the fuel then remove the plug at the bottom of the carburetor.
After you get subscribed post your Ford 8N problem and you'll get allthe help you will need. There may be something else going on, but try plugs before putting too much more time into it. So now not sure where to go next. You have fuel to the float bowl but not to the cylinders as I understand it. I can see the two adjustment screws on the carb and don't know if there is a third? Did you by chance remove and replace the plug wires possibly mixing up the firing order? Come join the discussion about classic restorations, references, modifications, classifieds, troubleshooting, maintenance, and more! Regards, Steve Offiler soff@stealth.mc.ti.com, We have a Massey Furgeson TO20 or TE20 (can't ever remember) and it's verysimilar to the Ford 9N and probably the 8N. Come join the discussion about farming, lawn maintenance, restoration, modifications, classifieds, troubleshooting, maintenance, and more! None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. The only other possibility is that you didn't adjust the float level properly. "description":"Discussion of 8n carb problems in the Ford 9N, 2N & 8N forum followed by comments. "name": "Yesterday's Tractor Co.", "@type": "Person", If air leaks around it than the mixture will be too lean. I hired a mechanic to rebuild it and now it runs worse than before the rebuild. Inspection found float collapsed. "author": { Let us know how it turns out.
"interactionType": "https://schema.org/CommentAction", Neat tool too.
I would say a tune up is in order , new plugs, points and cond . I appreciate your guidance and experience- it did make a difference!
The first, > Id want to know if parts were availableand service. If somebody treated the carb as badly as it sounds look for cracks in the casting where fuel could leak around the needle valve/seat. Make sure it is put in the right way. The brass venturi does not seem to fit tight as if it has been slightly collapsed. The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. May be what was wrong before you rebuilt the thing. Spin it over with the choke fully closed; gas should drip out of the carb intake.If there is gas the next step is check for spark; take a plug wire off of a spark plug, hold the end close, 1/8 inch, to the plug top (or another place where there is bare metal)and with the key on spin it overthere should be a visible spark.
Are you sure that nothing is stuck under the needle valve seat? Then while it was idling for about 5 minutes, it started sputtering and died. this is in ideal warm temperatures- I hate to think what it would be like to start it, if it were cold outside. at least the one installed does not match the picture they printed for me. Wayne, I presume that, when you say the carb is leaking fuel,(after you rebuilt it and replaced the defective float and the needle valve/seat and correctly adjusted float level) it is dripping out the intke pipe. If fuel is pouring out of the intake pipe than either the needle valve isn't closing or the casting has a crack in it Take the fitting off and make sure the screen hasn't come off and jammed the needle valve open. "userInteractionCount": 7 Very helpful. As I recall, one end is slightly larger in diameter than the other and sits down in the casting. If it offers to run or even gives a 'chug' or two your carb is plugged or stuck somewhere. For some reason once flooded I always need new plugs to get started. Did you take out the tube that sits in the venturi to make sure it was clear? } How do you know that it doesnt seem to be getting fuel? "@type": "Organization", }, Choking had no effect, and there was some backfiring, which makes me think it was flooding. Kits are available from Ford-New Holland. thanks again. I worked on it some today and it started a lot easier than before- but still needs lots a work. Fuel leaks (pours) from the air intake pipe. "text": "My friends 8n ran great until recently when it just stopped and gas began running through the carb. after fixing that leak it was easy to follow your instructions on the adjusting of the jets. Wayne, Another thought re: the venturi. The brass venturi does not seem to fit tight as if it has been slightly collapsed. Any thoughts on why I am not getting gas to the line? 1.You need to determine that gas is getting into the combustion chamber.
Too much fuel to the float chamber and none to the cylinders. "@id":"https://www.yesterdaystractors.com/cgi-bin/viewit.cgi?bd=nboard&th=396867", As I recall, one end is slightly larger in diameter than the other and sits down in the casting. Crud in the tank, working its way into the carburetor, is not uncommon with older machinery. Fuel leaks (pours) from the air intake pipe. I'm going to call Central Tractor to see if I can get a manual, but any help in the meantime would be appreciated. I recently bought an old Ford 8N (circa 1952?) New float checked and re=checked to ensure adjustment and clearance.all jets and passages carefully cleaned. Gas came out the air intake which is good but the spark plug electrodes are still dry. As I recall, one end is slightly larger in diameter than the other and sits down in the casting. The carburetor appears to have two adjustments, but I don't know which does what. is rated. Give the carb float bowl a tap with a mallet or a hammer handle. be careful not to whack it hard enough to damage it. : in the carburetor is causing the flooding, if this is indeed the : problem. We have had episodes like you describe and last spring my husband took the gas tank off and cleanedit out thoroughly and we've had no problems since. what I found was a small leak in the fuel line that was apparently sucking air in with the fuel and made the tuning of the carb difficult. },
Remove a. Hp. The spark plug test seems to be as you explained in greater detail in the above post. Starter fluid had no effect which would also be consistent with flooding. Get on that baby and put it through some paces. My guess - You need new plugs. "width": 200, Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V. window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-04SJ2KTSCK',{ cookie_flags: 'max-age=7200;secure;samesite=none' }); Welcome! If somebody treated the carb as badly as it sounds look for cracks in the casting where fuel could leak around the needle valve/seat. Symptoms today: started immediately with no choking.
Starting fluid has no effect. JavaScript is disabled. The carb was cleaned and a new kit installed. There may be something else going on, but try plugs before putting too much more time into it. Seems there's not a nicer, more helpful bunch on the whole 'net - present company excluded ;-). Still won't start. Maybe you should subscribe to the "Antique Tractor" mailing list. Also doesn't appear to be any problem with restrictions in the fuel line-there is a new filter that was recently installed after the sediment bowl.
I can then put the old plugs back in one by one and burn whatever crud the gasoline is leaving behind off of them and they work fine.
Now are the plugs firing at the correct time? This was a very reliable starting tractor prior to taking it apart. Guarantees? The Fora platform includes forum software by XenForo, Outdoor Hub, LLC (d/b/a Carbon Media Group), 30800 Telegraph Rd, Suite 1921, Bingham Farms, MI 48025 USA. Several years ago Belrus made their small model available through other sources such as Northern Hydraulic. They just won't start when all 4 are in there after flooding. TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. I cannot understand what caused the floats to collapse in the first place. Being that this price seems to be 1/2 to 1/3 of the price ofbrand named models, I am sceptical. The venturi must seat properly in the carb body. Full Choke and cranking it without starting should at least soak your spark plugs with gas. All clean, new needle valve set, floats and adjustment are correct. About a year ago, on my Ford 8N, I drained the gas tank (by running the engine until it went dry), removed the hood and gas tank to get at the radiator and change axles. at least the one installed does not match the picture they printed for me. My 8N has also been finicky even with a new tank, screens, bowls and lines etc. I can then put the old plugs back in one by one and burn whatever crud the gasoline is leaving behind off of them and they work fine. Definitely follow the 2 pieces of earlier advice on cleaning screens, the fact you ran it dry probably dislodged dirt and clogged somewhere in your system. "datePublished": "2003-08-18", Finally did the carb air intake test. runs great, many thanks to you both. John Deere and its logos are the registered trademarks of the John Deere Corporation. New float checked and re=checked to ensure adjustment and clearance.all jets and passages carefully cleaned. For a better experience, please enable JavaScript in your browser before proceeding. } the local tractor sales co has been helpful and from them it looks like we may have installed the wrong needle valve. Thanks for sticking with me this far and for all your help. That is a great illustration! "interactionStatistic": { ste@kendaco.telebyte.com "Don't hate nuthin at allste@four.net 'cept hatred"sim@linknet.kitsap.lib.wa.us, All good points. You may need to replace the venturi. Also make sure that your choke linkage and butterfly are not stuck closed and that the throttle linkage and butterfly move smoothly and freely. Being that this price seems to be 1/2 to 1/3 of the price of>brand named models, I am sceptical. Are the spark plugs clean / new / gapped properly? Becasue it's a gravityfeed fuel system all the junk goes to the bottom and can cause intermittantquiting when some of the junk gets sucked in. New float checked and re=checked to ensure adjustment and clearance.all jets and passages carefully cleaned. I assume you did the carb overhaul correctly and you are not trying to burn something other than clean gasoline , Spray starter fluid in the carb intake, see what happens .
see if the leak on the bottom of the carb stops. These are gravity fed filter messs up the fuel feed.
I should let my friends on the antique tractor list answer this, but the carb on the 8N is simple to rebuild. From memory: the hp rating was stated as "25hp at 2000 rpm"(i think). You have fuel to the float bowl but not to the cylinders as I understand it. I plan on working on the tractor myself, but if needed will a shoptake on a no-name tractor? Care has been given to avoid vacuum leaks. Good luck- these old tractors can make a person insane.-Amy>> >, While pageing through a Mother Earth News mag the other day I sawa tractor imported from China advertized ad $4999. The tractor itself isguarantted and there is guarantee of parts availability, but no mention ofservice.
", Thew float was set at .250 and has been cheched many times. Perhaps if all else fails, can you check to see what kind of compression you're getting as deerhide suggested? Also check the carburatorfor dirt. My guess - You need new plugs. That maybe how it got crushed; it was put in backwars and when the top and bottom castings were tightened down, it collapsed the venturi.
I checked or had already checked everything described. "@context":"https://schema.org", Symptoms yesterday: it would kick once or twice, then the starter would disengage. I did not install a new fuel line and turn off valve as of yet, but have them on order. Starting fluid has no effect. The carb was cleaned and a new kit installed. stephenscity: Mike, wanted to thank you for the reply, when I bought the tractor the fuel cut off had been bypassed, but the tractor ran very well, that is until the fuel began running out of the carb and knew then that there was trouble! Make sure it is put in the right way. Second you didn't say but are you shutting off the fuel when not inuse? Heavy Equipment Air Intake & Fuel Delivery, Leave feedback about your eBay ViewItem experience, Zenith Carburetor Main Jet Adjusting Needle fit Ford 8N tractor B3NN-A 13876 B51, - Top Rated Plus - opens in a new window or tab, - eBay Money Back Guarantee - opens in a new window or tab, - for PayPal Credit, opens in a new window or tab, Learn more about earning points with eBay Mastercard, - eBay Return policy - opens in a new tab or window, - eBay Money Back Guarantee - opens in a new tab or window. I now have gas flowing abundantly. I can then put the old plugs back in one by one and burn whatever crud the gasoline is leaving behind off of them and they work fine. wanted to let you both know that you made this ole man's day a lot better. I had a stuck linkage on my Cockshutt and once freed, the tractor fired right up. How about the linkage to the governor from the carb? That would probably be the offering from China Desil.While I've never seen one of them, I do own one of the engines upon which its (probably) based. Wayne, Another thought re: the venturi. Are you sure that nothing is stuck under the needle valve seat? Thanks to you and the others for your interest and advise. At least you'll know that gas is actually getting into the engine, albeit, causing it to flood! I checked or had already checked everything described. "image": { Are the plugs not wet with fuel? I need some advice on how to adjust the jets on my ford tractor's carburetor. I will remove the filter and buy a new line to install, with a new cut off valve. I noted too that gas was also leaking out of what I would not have guessed was an opening on the underside of the carb. Did you take out the tube that sits in the venturi to make sure it was clear? Hey guys. JavaScript is disabled. After letting sit for a few hours, it would kick once or twice, but not much else. I start to adjust mine with the power screw out 1 1/2 out and the idle screw 1turn out. Inspection finds no obvious problem. Wayne, Another thought re: the venturi. A defective front mount coil will also give you fits. this is my last hope before a new $$ carb. Sounds like two separate problems. I appreciate any advice, as I am not carburetor savy!! "@type": "ImageObject", "@type":"DiscussionForumPosting", Will not start and appears to not be getting any fuel. I appreciate all of the forum friends and your advice!!!! Starting fluid has no effect. Not sure I understand the "Is there gas going into the intake manifold? we are bewildered--will try anything. Turn the fuel back on and look for fuel to drain out in a catch container. After removing the gas line at the bowl, I can see that no gas is flowing to the carburetor. is rated in so many different ways..how is it rated..can you see one in action?If it is that cheap it might pay to fly or drive to where you CAN see one dosome work. I followed Bill's suggestions pretty much in order and none changed the outcome until I added more gas. New carb kit, float and adjustment the tractor ran badly a short while before it started leaking fuel like before. Too much fuel to the float chamber and none to the cylinders. Often these offers are motivated by another country's quest for U. S. cash.The main points to consider is the reliability of the dealer or place of purchase and the terms of the warrenty. Pardon my ramblings!! It was 25 hp and hasa 3pt hitch. "dateModified": "2003-08-18", thanks again, I am learning as I go. It appears that even though the carb is full,fuel is not reaching the combustion chamber as the plugs remain dry. If you adjusted the float level properly than you must a) have something stuck under the needle seat that isn't allowing it to close, or b) you have a crack in the casting. Intake has vacuum. "height": 57 I referred to the carb intake; I should of said the carb Air intake give it a good squirt.
Bill's diagram puts you on the right track. A defective front mount coil will also give you fits. }. It appears that even though the carb is full,fuel is not reaching the combustion chamber as the plugs remain dry. by the way that picture of the carb really helped !!!!
I have found that keeping my tank very full with gas has alleviated many of my starting problems; but that is only after you are ensured of unimpeded gas flow to the bowl and then to the carb. "logo": { at least the one installed does not match the picture they printed for me. Care has been given to avoid vacuum leaks. Thanks to you and the others for your interest and advise. The bowl was half empty but shaking the tractor got gas to fill up the bowl. If nothing else, I am learning something. : Since the gas tank sits above the engine, perhaps a worn needle valve. If it is a float or needle valve problem there should be evidence of fuel leaking if you allowit to sit awhile, not running, with the fuel turned on. "@id": "https://www.yesterdaystractors.com/" {"modules":["unloadOptimization","bandwidthDetection"],"unloadOptimization":{"browsers":{"Firefox":true,"Chrome":true}},"bandwidthDetection":{"url":"https://ir.ebaystatic.com/cr/v/c1/thirtysevens.jpg","maxViews":4,"imgSize":37,"expiry":300000,"timeout":250}}. They just won't start when all 4 are in there after flooding. "mainEntityOfPage": { "@type": "ImageObject", the local tractor sales co has been helpful and from them it looks like we may have installed the wrong needle valve. Care has been given to avoid vacuum leaks. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Could be junk in the carb. The flow circuit is from the tank, to the sediment bowl, to the tube, to the carb fitting, through the screen on the carb fitting, through the needle valve seat/valve into the float bowl. First You need to take that filter off the fuel line. Make sure it is put in the right way. It appears that even though the carb is full,fuel is not reaching the combustion chamber as the plugs remain dry. Are the plugs not wet with fuel? For some reason once flooded I always need new plugs to get started. Is this a standard horse power measurement? "height": 57 If you adjusted the float level properly than you must a) have something stuck under the needle seat that isn't allowing it to close, or b) you have a crack in the casting. The only other possibility is that you didn't adjust the float level properly. Sounds like it might be the screen in the float bowl, or the screen that goes up into the bottom of the gas tank is clogged. Something went wrong. For a better experience, please enable JavaScript in your browser before proceeding.
I cannot understand what caused the floats to collapse in the first place. Have you tried blowing air in the passages to make sure they are free and clear? A forum community dedicated to all tractor owners and enthusiasts. Sounds like you passed the spark testing procedure Glen. -- Geoffrey Leach C/C++/X11/Motif/OpenLook Implementationge@netcom.com Mountain Ranch Software P.O. Hmm stuck float? Is that some sort of an overflow weep hole? I checked or had already checked everything described. Since the gas tank sits above the engine, perhaps a worn needle valve in the carburetor is causing the flooding, if this is indeed the problem. Is this not a sufficient test of gas flow? Your new sediment bowl will come with the one for the tank but there is one where the line hooks up there and one at the carburetor end. Out on the idle screw leans the mixture and in enrichens it. Wayne, I presume that, when you say the carb is leaking fuel,(after you rebuilt it and replaced the defective float and the needle valve/seat and correctly adjusted float level) it is dripping out the intke pipe. Have you tried blowing air in the passages to make sure they are free and clear? It was 25 hp and has>a 3pt hitch. Box 336 Mountain Ranch CA 95246 209-754-1869.
I do have an 8N manual: Ford Shop Manual FO-4. Good luck. (I would post this to the antique tractor list, but I KNOW they would laugh). thanks guys, I'll try to do everything as posted! There may also be a fuel screen in the inlet elbow of the carburetor. I don't understand how the floats could be collapsed , nor do I understand how the venturi could be collapsed unless someone put the carb together without aligning the venturi properly, then screwed the top and bottom castings together, crushing the venturi. Has anyone owned/used/seen these tractors?>(I would post this to the antique tractor list, but I KNOW they would laugh). Obviously I am doing something wrong but I have Followed the manual carefully. Wayne, I'm assuming you have a Marvel-Schebler carburetor. Some say the power screw should be out 2 full turns. Thanks for all responses, Michael Murphy mvmu@attmail.at.com, > Speaking of tractors>>> While pageing through a Mother Earth News mag the other day I saw>a tractor imported from China advertized ad $4999. "name": "Wayne Louton" { "@type": "InteractionCounter", Seller assumes all responsibility for this listing. I assume you did the carb overhaul correctly and you are not trying to burn something other than clean gasoline , Spray starter fluid in the carb intake, see what happens . My guess - You need new plugs. The flow circuit is from the tank, to the sediment bowl, to the tube, to the carb fitting, through the screen on the carb fitting, through the needle valve seat/valve into the float bowl. A defective front mount coil will also give you fits. It's possible the float level was set wrong, but I would sure try to adjust it first. If air leaks around it than the mixture will be too lean. That maybe how it got crushed; it was put in backwars and when the top and bottom castings were tightened down, it collapsed the venturi. "@type": "WebPage", Obviously I am doing something wrong but I have Followed the manual carefully. Make sure you have all the screens in the line. You could be in store for a carb cleaning or a rebuild. View cart for details. Has anyone owned/used/seen these tractors? No spark? Unfortunately for me, I must have had another problem, either when I shut it down way back when or was created during the lengthy sit. }, The tractor wouldn't start. "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", Thanks to you and the others for your interest and advise. go to the distributorIf you have gas and spark check compression.
Spin it over with the choke fully closed; gas should drip out of the carb intake". Thew float was set at .250 and has been cheched many times. Thanks for your interest an we appreciate any help. Also make sure that your choke linkage and butterfly are not stuck closed and that the throttle linkage and butterfly move smoothly and freely. ", >> Mike Murphy> mvmu@attmail.att.com, Either email addresses are anonymous for this group or you need the view member email addresses permission to view the original message. this is my last hope before a new $$ carb. After warming up for a few minutes, I moved it about 100 yards. When trying to restart, it wouldn't kick over at all. Hp. I start to adjust mine with the power screw out 1 1/2 out and the idle screw 1turn out. They just won't start when all 4 are in there after flooding. "width": 200, Their engines are reliable, but notmuch in the fit-and-finish department.Same goes for the people at Chana Desil, come to think of it. If fuel is pouring out of the intake pipe than either the needle valve isn't closing or the casting has a crack in it Take the fitting off and make sure the screen hasn't come off and jammed the needle valve open. Wayne, I'm assuming you have a Marvel-Schebler carburetor. If not it may be setting there and flooding itself. Anyway, my 2 cents on your problem: it is possible that your carburetor and fuel system need to be cleaned out.
Send an e-mail message to: antique-tra@ledger.co.forsyth.nc.us. How do you know that it doesnt seem to be getting fuel? for creasing the pasture, You do not have permission to delete messages in this group, : clearing snow off the driveway, and general messin' around. the local tractor sales co has been helpful and from them it looks like we may have installed the wrong needle valve.
There may be something else going on, but try plugs before putting too much more time into it. It could be a sticking float. The carb was cleaned and a new kit installed. You may need to replace the venturi. "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", thanks again. "publisher": { The brass venturi does not seem to fit tight as if it has been slightly collapsed. I know that it is too rich- hard to start and just barely runs after starting- pouring out dark smoke-eventually it evens out but runs faster than it should on idle! It is just forward of the plug at the bottom rear of the carb. }, +--------------------------------+----------------------------------------+| Dick Parsons | ---- || NRA Life Member | | o ~ || Certified: IPA IRA ISA IHA | L_|->_______I_ || Harris Controls Division | _/ \_| | || Melbourne, Florida | [| o |------_--[] "I'd rather be || email: dpar@ccd.harris.com | \___/ (o) be farming!" That maybe how it got crushed; it was put in backwars and when the top and bottom castings were tightened down, it collapsed the venturi. Copyright 1995-2022 eBay Inc. All Rights Reserved. When was the last time you put a drop of oil in the oil cup on the side of the distributor to allow the spark advance to work? I assume you did the carb overhaul correctly and you are not trying to burn something other than clean gasoline , Spray starter fluid in the carb intake, see what happens . A forum community dedicated to Antique & Classic Tractor owners and enthusiasts. For some reason once flooded I always need new plugs to get started.
8Ns didn't have fuel filters, except for the small screen in the tank. Is there gas going into the intake manifold?
Shut off the fuel then remove the plug at the bottom of the carburetor.
After you get subscribed post your Ford 8N problem and you'll get allthe help you will need. There may be something else going on, but try plugs before putting too much more time into it. So now not sure where to go next. You have fuel to the float bowl but not to the cylinders as I understand it. I can see the two adjustment screws on the carb and don't know if there is a third? Did you by chance remove and replace the plug wires possibly mixing up the firing order? Come join the discussion about classic restorations, references, modifications, classifieds, troubleshooting, maintenance, and more! Regards, Steve Offiler soff@stealth.mc.ti.com, We have a Massey Furgeson TO20 or TE20 (can't ever remember) and it's verysimilar to the Ford 9N and probably the 8N. Come join the discussion about farming, lawn maintenance, restoration, modifications, classifieds, troubleshooting, maintenance, and more! None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. The only other possibility is that you didn't adjust the float level properly. "description":"Discussion of 8n carb problems in the Ford 9N, 2N & 8N forum followed by comments. "name": "Yesterday's Tractor Co.", "@type": "Person", If air leaks around it than the mixture will be too lean. I hired a mechanic to rebuild it and now it runs worse than before the rebuild. Inspection found float collapsed. "author": { Let us know how it turns out.
"interactionType": "https://schema.org/CommentAction", Neat tool too.
I would say a tune up is in order , new plugs, points and cond . I appreciate your guidance and experience- it did make a difference!
The first, > Id want to know if parts were availableand service. If somebody treated the carb as badly as it sounds look for cracks in the casting where fuel could leak around the needle valve/seat. Make sure it is put in the right way. The brass venturi does not seem to fit tight as if it has been slightly collapsed. The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. May be what was wrong before you rebuilt the thing. Spin it over with the choke fully closed; gas should drip out of the carb intake.If there is gas the next step is check for spark; take a plug wire off of a spark plug, hold the end close, 1/8 inch, to the plug top (or another place where there is bare metal)and with the key on spin it overthere should be a visible spark.
Are you sure that nothing is stuck under the needle valve seat? Then while it was idling for about 5 minutes, it started sputtering and died. this is in ideal warm temperatures- I hate to think what it would be like to start it, if it were cold outside. at least the one installed does not match the picture they printed for me. Wayne, I presume that, when you say the carb is leaking fuel,(after you rebuilt it and replaced the defective float and the needle valve/seat and correctly adjusted float level) it is dripping out the intke pipe. If fuel is pouring out of the intake pipe than either the needle valve isn't closing or the casting has a crack in it Take the fitting off and make sure the screen hasn't come off and jammed the needle valve open. "userInteractionCount": 7 Very helpful. As I recall, one end is slightly larger in diameter than the other and sits down in the casting. If it offers to run or even gives a 'chug' or two your carb is plugged or stuck somewhere. For some reason once flooded I always need new plugs to get started. Did you take out the tube that sits in the venturi to make sure it was clear? } How do you know that it doesnt seem to be getting fuel? "@type": "Organization", }, Choking had no effect, and there was some backfiring, which makes me think it was flooding. Kits are available from Ford-New Holland. thanks again. I worked on it some today and it started a lot easier than before- but still needs lots a work. Fuel leaks (pours) from the air intake pipe. "text": "My friends 8n ran great until recently when it just stopped and gas began running through the carb. after fixing that leak it was easy to follow your instructions on the adjusting of the jets. Wayne, Another thought re: the venturi. The brass venturi does not seem to fit tight as if it has been slightly collapsed. Any thoughts on why I am not getting gas to the line? 1.You need to determine that gas is getting into the combustion chamber.
Too much fuel to the float chamber and none to the cylinders. "@id":"https://www.yesterdaystractors.com/cgi-bin/viewit.cgi?bd=nboard&th=396867", As I recall, one end is slightly larger in diameter than the other and sits down in the casting. Crud in the tank, working its way into the carburetor, is not uncommon with older machinery. Fuel leaks (pours) from the air intake pipe. I'm going to call Central Tractor to see if I can get a manual, but any help in the meantime would be appreciated. I recently bought an old Ford 8N (circa 1952?) New float checked and re=checked to ensure adjustment and clearance.all jets and passages carefully cleaned. Gas came out the air intake which is good but the spark plug electrodes are still dry. As I recall, one end is slightly larger in diameter than the other and sits down in the casting. The carburetor appears to have two adjustments, but I don't know which does what. is rated. Give the carb float bowl a tap with a mallet or a hammer handle. be careful not to whack it hard enough to damage it. : in the carburetor is causing the flooding, if this is indeed the : problem. We have had episodes like you describe and last spring my husband took the gas tank off and cleanedit out thoroughly and we've had no problems since. what I found was a small leak in the fuel line that was apparently sucking air in with the fuel and made the tuning of the carb difficult. },
Remove a. Hp. The spark plug test seems to be as you explained in greater detail in the above post. Starter fluid had no effect which would also be consistent with flooding. Get on that baby and put it through some paces. My guess - You need new plugs. "width": 200, Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V. window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-04SJ2KTSCK',{ cookie_flags: 'max-age=7200;secure;samesite=none' }); Welcome! If somebody treated the carb as badly as it sounds look for cracks in the casting where fuel could leak around the needle valve/seat. Symptoms today: started immediately with no choking.
Starting fluid has no effect. JavaScript is disabled. The carb was cleaned and a new kit installed. There may be something else going on, but try plugs before putting too much more time into it. Seems there's not a nicer, more helpful bunch on the whole 'net - present company excluded ;-). Still won't start. Maybe you should subscribe to the "Antique Tractor" mailing list. Also doesn't appear to be any problem with restrictions in the fuel line-there is a new filter that was recently installed after the sediment bowl.
I can then put the old plugs back in one by one and burn whatever crud the gasoline is leaving behind off of them and they work fine.