These adjustments and proceedures are based on the original type Marvel / Schebler Carb. We are available by phone at 800-443-0625. Main difficulty is that I cannot hold the choke and make adjustments to the carb at the same time. 2 IDLE MIXTURE SCREWSmall screw near connection to manfold pointing to the side. Had to do that today to a 841 I sold my buddy that hadn't been running in 3 years. White Arrow = IDLE MIXTURE. Has the throtle lever popped out of the bottom bracket? Since what you're doing to the carb isn't changing anything, and the distributor is what was the original problem. Do that first. didn't need a kit. Sometimes there is an alignment problem and the IDLE SPEED screw does not line up with the pin. Carburetor Kit.

I'm not sure. I'm Guilty, somethime close enough is good enough for me. Set the down-pointing mainjet to 2-turns and LEAVITT!!! Then, I discovered that the reserve portion of the petcock wasn't working. 0000003204 00000 n a little bending, & voila! carburetor 8n 9n 2n 0000005709 00000 n Dry it all out inside (maybe put a fresh set of points in it) and you should be on your way again. } 0000008959 00000 n For a new or rebuilt carb, I use the following bench adjustments to start: What am I doing wrong? 0000010323 00000 n 0000012767 00000 n The only problem is they want you to do this with the engine running at governed speed under full load. "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", Set the down-pointing mainjet to 2-turns and LEAVITT!!! Remember the adjustment for the IDLE MIXTURE screw and the MAIN MIXTURE screws are different. 0000007004 00000 n I replaced both the dust cap and dist. Adjusting to the rich side helps, but it is normal for these engines to hesitate if the throttle is opened too quickly. After cranking the engine, carefully check for excessive temperature at the connections of your battery cables. shaft and snaps into place before the rotor goes on. When it is running with the choke out does it run normaly. If the tractor has been sitting for some time, it is likely that your gas has gone bad or has water in it. All N-Series TractorsFord-Ferguson 9N, 2N, and Ford 8N. ,mO-{F@?fc/ZOG=,t#c. Many people are used to automobile engines that typically idle around 800 RPM. It is possible to jump-start a 6-volt tractor using a 12 volt battery. 0000003122 00000 n Make a special screwdriver tool that will span both slots to fully tighten the seat and gasket. I bought a carb rebuild kit #not installed yet#, but don't know if that's the problem. endstream endobj 148 0 obj <. Had to do that today to a 841 I sold my buddy that hadn't been running in 3 years. Stick a fresh set of Autolite 437 plugs in it also. Always consult equipment operator's manual and follow safety instructions before operating or servicing any tractor or equipment, or attempting any task. 0000003157 00000 n ]Vo7f Added some more to the tank, & she fires & runs. New Carburetor Adjusting Spring for Ford 8N, 2N, 9N, NAA, 600, 700, and 800 Series Tractors. If nothing else, you can have a good laugh at my expense. The M/S and Zenith carb adjustment procedures are similar. Yours should be close. 1950 McCormick Deering W4, 1950 Cockshutt 30 Rowcrop, 1950 Cockshutt 30, 1940s Ford 9N, 1940s Massey Pony, 1940s Massey 81 S, 1940s Farmall A, 2 1960s International B250s, all in their working clothes. "datePublished": "2010-11-21", startxref No evidence of flaws in the float. Tried shutting down, making adjustments, and restarting, but same problem. Batteries don't work that way. 147 0 obj <> endobj If that is a problem, CAREFULLY bend the tab on the throttle lever to get better alignment. Please keep in mind that you are not working on a race car. Mine needs choke all the time and I don't trust the adjustment settings. Tried to set the float level as described (1/4"), but that doesn't seem to let the needle valve open. Even if I have flooded it, all I have to do is shove the choke lever back in and it starts with a big cloud of black smoke, cough, choke, gasp. "@type": "Organization", Provide enough information to allow visitors to see the range of products or services you provide, and create sub-pages for each individual product or service if there are lots of details to cover for each product or service. Cleaned the gas tank, installed new screen & gasket on the petcock #seems to have a decent gas flow#, cleaned the old spark plugs & re-installed. A running '39 9N! This trouble-shooting guide assumes your tractor ran well recently and just won't start. If my engine hesitates or backfires under load (too lean), I just stop and get off, turn the MAIN MIXTURE screw out about 1/8 of a turn, get back on, and try it for a while. Don't immediately start adjusting your carb. For a 12 volt system, 100% is 12.6 volts, 50% is 12.0 volts and dead flat is 10.5 volts! if choke is compensating might indicate some leakage. =@d{EtzP.=:D]CKFVOfN9n8MF\P\1aM"Kemy One very important internal adjustment you should check is the float setting. This tractor has been running like a top for the 7 or 8 years I have had it About 2 months ago it wouldn't start, and discovered some distributor parts were broken. Rebuild kits are inexpensive, around $30. On a side mount, look very closely at the wire coming from the coil to the distributor. New Front Wheel Cap for Ford 8N, 9N, 2N, NAA, 501, 600, 700, 800, 900 Tractors, 2N1139B, FREE SHIPPING!!! I have a 9N. You must log in or register to reply here. "description":"Discussion of 9N carb adjust in the Ford 9N, 2N & 8N forum followed by comments. "image": { 0000011065 00000 n "headline":"9N carb adjust", ", For replacement Zenith carburetor. Is the linkage from the govener to carb free moveing? blew it out w/ airhose & re-assembled w/ new basic kit. "Ok son, hang on up there while I git her moving and try not to fall off while you turn that thar screw.". Don't try to bend the pin, it will snap off! I never have had rotor and/or cap break without a good reason. screw in for rich, out for lean. Dave.. .sounds like yer carb jets are clogged. Has the tractor been in a flood? A running '39 9N! however, gas is dripping out of the hole on the bottom of the carb, so I'll try to adjust the float up some. Remember the side-pointing idlemix is BASSACKWARDS; out for lean, IN for ENRICH. Runs for about 15-minutes and quits; restarts after about 30-minutes cooldown = BAD IGNITION SWITCH, jumper across switch to test, and if problem goes away, replace ignition switch. Can anyone tell me the rough adjustments for the two needles to start with, what each screw does and if there is an order to adjusting them? Thanks for your input OK, here is the whole story: After rebuilding the carb, it wasn't getting enough gas, so I messed w/ the float. Runs for about 1-minute and quits; restarts in about 5-minutes = BAD CONDENSER, replace it. Leaking or cracked manifold, Broken wires from distributor to engine, Incorrect firing order (should be 1243 front to back), Grounded or loose points. A 50% charge on a 6 volt battery is 6 volts, and fully-charged is about 6.3 volts. 0000002226 00000 n Our design will highlight the important parts of your business. If it wasn't the ignition switch, check for voltage at the small wire on the coil. Cranking significantly reduces the power available to make good sparks. Anything may seem like an upgrade when you are replacing a dirty, worn-out carb with a new one. On an automobile carb we always adjusted IDLE MIXTURE screws for the midpoint between too rich and too lean. %PDF-1.6 % Tried to set the float level as described (1/4 ), but that doesn't seem to let the needle valve open. If your carb needs rebuilding, no reason you cannot do it yourself. didn't need a kit. Fits Ford tractors using the following Zenith mod.. Carburetor Throttle Lever and Shaft Assembly.OEM #: 9N9581A.Application: Ford 9N, 2N, 8N Carburetor Throttle Fly. ", "publisher": { Did you just power-wash or sand-blast it? Especially when the snow is falling and I gotta get to work. Through our one-page website, you will be able to reach to your potential clients. I believe many carb adjustment problems on these tractors are caused by the IDLE SPEED being set too fast. EXTERNAL ADJUSTMENTS - There is no magic here, just about anybody can do it. hbbd``b``C0uJ210AWej[0@ 8 endstream endobj startxref 0 %%EOF 29 0 obj <>stream Maybe what I need to do is bring it in the shop, re-examine the distributor, and try again. I do not, and will not respond to the few that manage to make it thru the filters. If that fixes it but the problem comes back in a few days, I suspect you have a rusty tank and the fuel filters or fuel line are getting clogged up. }, JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Any suggestions. Is the linkage from the govener to carb free moveing? }, The correct IDLE MIXTURE adjustment for these tractors is closer to the edge of being too rich. After replacing the screen and cleaning out the tank my 9N runs great (with the choke all the way in). Has the throtle lever popped out of the bottom bracket? from full up to full down, the idle difference isn't much. Back Fertilizer Drive Gear for Ford 541 Offset Tractor. a little bending, & voila! This page was placed last in the list on purpose. I'd drop the bowl on the carb and give it a good cleaning with carb/choke cleaner. For a better experience, please enable JavaScript in your browser before proceeding. 0000008355 00000 n The float was hanging very low when I took it apart, & I tried to recreate that. It sure seems to be running out of gas, & when I took it back apart, there was only about 1/4 in the bottom of the bowl There's another filter screen on the elbow where the gas line hooks to carb. Somewhere in history the dust cap had been damaged so that notch was not crisp enough to hold the dist.

Hard starting and choke ON for running tells me that. The correct procedure is to simply turn the IDLE MIXTURE screw in until the engine stumbles (too rich) then back out until the engine runs good. The M/S float should set at 1/4" off the flat surface with the top of the carb held upside down and the valve assembly in place.

Runs for about 3-minutes and quits; will not restart = GAS TURNED OFF (go ahead and laugh, I've done it, more than once). OLD gas turns into varnish and cloggs jets. "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", }. WI winters, ya know? 9nford.com FORD Tractor information source, Carburetor Adjustment for 9n-2n and 8nFord. Hopefully, that will cure it? Has the throtle lever popped out of the bottom bracket? The float was hanging very low when I took it apart, & I tried to recreate that. "@type": "InteractionCounter", %PDF-1.6 % I'd drop the bowl on the carb and give it a good cleaning with carb/choke cleaner. What brought your company together? Set the down-pointing mainjet to 2-turns and LEAVITT!!! Farmall Fertilizer Unit Parts for Cub Tractor, Farmall Sidemount Planter Unit Parts for Farmall Cub Tractor, Farmall 140, 130, 100, Super A Tractor Parts, 1 Point and 2 Point Fast Hitch and Drawbar Parts for IH Farmall Tractors, Farmall Cultivator Parts for 140, 130, Super A, A, 100 Tractors, Farmall Fertilizer Unit Parts for 140, 130, Super A, 100 Tractor, Farmall Sidemount Planter Unit Parts for 140, 130, Super A, 100 Tractor, Farmall C, Super C, 200, 230, 240 Tractor Parts, Farmall Cultivator Parts for Super C, C, 200, and 230 Tractors, Seed Plates for Cole 12 MX Style and Older Cole Single Hopper Planters, Cole Planter and Cole Fertilizer Side Dresser Parts, Cole Duplex Hopper Planter Seed Plates and Parts, Ford 309, 310, 315, 320, 350 Seed Plates and Parts, Seed Plates and Parts for Deere, A-C, Covington and Other Planters, Sickle, Rear and Belly Mounteted Mower Parts, Welcome to the Salvage and Equipment Yards, Farmall Cultivator and Fertilizer Unit Parts, Farmall A, Super A, 100, 130, 140 Series Tractors. 2022 TractorByNet.com | TractorByNet is a registered trademark of IMC Digital Universe, Inc. Other trademarks on this page are the property of their respective owners. 0000006456 00000 n "@type": "WebPage", In Crazy price websites, it is our focus give your business/brand an edge in the digital world. Fuel trickles but won't flow. OK, here is the whole story: After rebuilding the carb, it wasn't getting enough gas, so I messed w/ the float. "@type": "Person", Gapped the points, but did not replace them. Runs for about 30-minutes and quits or starts running rough; after 1-hour cool down restarts and runs fine = BAD IGNITION COIL, replace it. the small side pointing screw is the idle air screw. 1Turn the IDLE SPEED screw all the way out and then turn it in slowly until it just makes contact with the pin and the throttle plate is fully closed. "width": 200, The throttle control doesn't seem to do much. All email addresses for this web site are set to agressively block ALL unsolicited advertising, sales pitches, nuisance web service offers, and other spam messages. %%EOF Put the old needle & seat back in the new ones are less than quality parts. Come join the discussion about classic restorations, references, modifications, classifieds, troubleshooting, maintenance, and more! So, even if you just replaced the coil, you might want to try a different one. Maybe something w/ the timing as well? 147 34 uK If any setting is much off from these, I start looking for the problem. But seems like it will not pull good unless the choke is on It always sounds smoother with the choke on.

I just entered several searches, and came up with nothing, so will post. JavaScript is disabled. figured out why it wasn't getting gas. Is the battery dead? The dust cap has a notch molded into the edge to accept a corresponding boss from the dist cap. Galleries either give us a good or bad impression within the first few seconds of viewing. "@id": "https://www.yesterdaystractors.com/" I have taken it apart and its clean and float works right. It sounds like you need to set it slightly lower. .Dell Dave.sounds like yer carb jets are clogged. For the Zenith replacement carb, adjusting screws are in similar locations. Followed the service manual instructions for timing. If that is your 47 Ford in the picture then the carb adjustments to a Ford Flathead would apply. 9NFord.com Message Board and Forums for 9N, 2N, 8N, Login with username, password and session length, I'm wondering if any one knows how to properly adjust the carb. Adjust the carb to fine tune from there. 17 0 obj <> endobj 27 0 obj <>/Encrypt 18 0 R/Filter/FlateDecode/ID[<2F2A6107CAADBEB6AE7B0C44ECB41FEC><2F03D2CFCCC9443CBE692F7FF3F17D25>]/Index[17 13]/Info 16 0 R/Length 63/Prev 181430/Root 19 0 R/Size 30/Type/XRef/W[1 3 0]>>stream 0000012536 00000 n 3 MAIN MIXTURE SCREWLarge screw located at the top-front end of the carb. We make sure that every project we work on becomes noticed and seen. Include as many different ways for customers to contact you as possible, including phone and fax numbers, email addresses, a contact form, the physical address of your business, and a map, if applicable. Your cables may be too small and your connections may be less than perfect. screw), Screw Stud 5/16"-18 and 5/16"-24 x 1-1/4". The distributor problem was the rotor and dust cap. The Fora platform includes forum software by XenForo, http://i151.photobucket.com/albums/s152/bow2no1/tractor002-1.jpg, http://www.myfordtractors.com/carburetor.shtml, http://www.ytmag.com/articles/restore/8ncarb/artint231_pg5.htm, Backyard Round Table: L & G Tractor Related Topics, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. If the problem still exists, try going 1/2 turn out on the main mixture screw. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them.

Do that about 3 or 4 times to get the tractor worked down to a slow idle between 450 and 500 RPM. Won't start, weak or no spark - run a jumper across the ignition switch terminals and try it. Did you forget to turn the ignition on? The float was hanging very low when I took it apart, & I tried to recreate that. The directions in the manual for adjusting the MAIN MIXTURE screw are a bit awkward. start with it between 1.5 to 2 turns out from seated, out to enrich, in to lean. At 800 RPM the IDLE MIXTURE screw on the Ford 8N Tractor is almost useless. Yellow Arrow = MAIN MIXTURE. a little bending, & voila! My 8N is very forgiving. Occasionally you may notice a fully warmed up engine that won't run right or seems to run a little better when you hold the choke knob out a bit. I have used something as simple as a dime in a pair of locking pliers. } This seems to happen more with the front-distributor engines. The instructions with the kits are sadly lacking, so I've attempted to fill in some of the blank space with a carb rebuilding page HERE. Understand? John Deere and its logos are the registered trademarks of the John Deere Corporation. "userInteractionCount": 5 The image provided below is looking at the front end of the carb, the engine would be on the right side of the image if shown. }, 0000011840 00000 n But 99 percent of the time, the problem is somewhere else. I think we're talking about two separate things here. If it starts, replace your ignition switch. Won't Start, getting gas & spark - You have spark and gas is getting to the carb, but the tractor won't start. .Dell figured out why it wasn't getting gas. Come join the discussion about specifications, modifications, troubleshooting, maintenance, and more! The bulk of your content creation and optimization should be centered on which problems you can solve for your customers and clients. I check with a 1/4" drill bit. "@type":"DiscussionForumPosting", trailer What are the chances that the carb has all of a sudden become misadjusted? The front-mount square-can coil is also not a very durable part and some of the replacements seem to fail right out of the box. start with it about 1 turn out from sseating.

Engine turns over but won't start, you smell gas. The MAIN MIXTURE screw is the more normal, in for LEAN, out for RICH. Instant responsivness to sudden throttle movement is not normal operation. A typical website development lasts 1-2 days once we have received the necessary information for the website. Disassembled carb & soaked overnight in cleaner. Then adjust the side-pointing idlemix for FASTEST idle, NOT smoothest idle. The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. If everything is straight and moving freely you should hear the float move if you turn the carb up-side-down. Then, I discovered that the "reserve" portion of the petcock wasn't working. All Tradenames and Trademarks referred to on these web pages are the property of their respective trademark holders. 3Turn the MAIN MIXTURE screw all the way in and then back out ONE full turn from the bottom. Won't Start, Flooded - Most of these engines require very little choke and are VERY easy to flood. Hard starting and choke ON for running tells me that. 0000007756 00000 n Here is another picture. OLD gas turns into varnish and cloggs jets. Someone gave me their old carb, they went to buy a kit and the dealer sold them a brand new carb for 30 bucks that they had got stuck with, so I am going to clean it and rough set it for my tractor. There is a clip which slips over the dist. Stand out with an "About Us" page that shows off who your company is and strongly conveys your brands voice. For some reason actually TURNING the ignition key ON is not in that sequence. There's another filter screen on the elbow where the gas line hooks to carb. If you keep your fuel tank more than half full you should have less problems with bad gas. 0000006759 00000 n xref Distributor, coil and spark plugs as part of ignition and the fuel and combustion air as part of carburettion. There is another basic difference in the IDLE MIXTURE adjustment. Many of these tractors have replacement Zenith Carbs.

Offer your visitors information that will make them interested in your business and the work that you do. Remember the side-pointing idlemix is BASSACKWARDS; out for lean, IN for ENRICH. Then learn how to adjust yer carb. Now, it will only start by holding my hand over the air inlet, & will run w/ choke fully on until it seems to run out of gas. My initial bench setting should idle at around 800-RPM. There's another filter screen on the elbow where the gas line hooks to carb. Retainer, Choke Shaft Felt.OEM #: 9N9695.Application: Ford 9N, 2N, 8N, Jubilee, NAA, 600, 700, 800, .. Jet, Carburetor Economizer.OEM #: 9N9914, 8N9914.Application: Ford 9N, 2N, 8N Choke Lever & Shaft.OEM #: 9N9546.Application: Ford 9N, 2N, 8N Needle, Carburetor Main Adjuster.OEM #: 9N9565C.Application: Ford 9N, 2N, 8N, Jubilee, NAA.. Jet, Carburetor Max Fuel Limiting.OEM #: 9N9533.Application: Ford 9N, 2N, 8N Carburetor, Marvel Schebler replica. Nj&#c8'HH.rf4bBz_, 180 0 obj <>stream 0000002352 00000 n Are you sure of everything you did in the distributor? When you do that the idle will usually be a little higher. IN to enrich, OUT to lean. You will need to reset your password (use your same password if you wish). gh#pMxgTpP3i V[NOps0^a1qnqAB1E4 l^CF0 endstream endobj 18 0 obj <>>>/Filter/Standard/Length 128/O(u+\ny>m@ir2&@|)/P -3388/R 4/StmF/StdCF/StrF/StdCF/U(%\)HLN )/V 4>> endobj 19 0 obj <> endobj 20 0 obj <>>>/Rotate 0/Type/Page>> endobj 21 0 obj <>stream if this adjustment seems way off STOP and make sure the seat for the float valve is screwed all the way in and the float pivot is in the right place.

"width": 200, The battery might be too weak to crank, and fire the engine. The IDLE MIXTURE screw is useless until you get the IDLE SPEED backed down to a slow idle of around 450-500 RPM.

If your tractor has been getting harder and harder to start and hasn't had any maintenance in months, we may want to back up a few steps. What am I doing wrong? If you have any questions, or problems with this site, please send me a message. Tore the carb down, cleaned everything, put it back together, same problem.

I have occasionally put the key in, turned on the gas, climbed on, put it in neutral, stepped on the clutch, grabbed the choke, hit the start button, and proceeded to flood the engine. Replaced them, timed it, and it started right up. Some engines just won't start until you put in a fresh set of plugs. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. For a better experience, please enable JavaScript in your browser before proceeding. OK, FINALLY! If the problem goes away, great. }, "@context":"https://schema.org", I have a 1956 Ford 800 (850) with a Marvel Schebler TSX 692 carb. So, once you have your engine warmed up, and running well on the main mixture, move the throttle lever is all the way to the idle position and start backing-off the IDLE SPEED screw until you get in the neighborhood of 450-500 RPM, then try adjusting the IDLE MIXTURE screw. Found that when I tweaked the float, I must have bent it a little, & it was hitting on the carb body. Replaces Ford New Holland part number 9N9540C. Click here to reset your password (follow instructions and check your junk/spam folder). Don't seem to have any air leeks that Are obvious? All wiring and connections should be as close to perfect as you can get 'em. Am I missing something? The carb is a pressure-balanced system so things like a bad gasket, cracked, or warped carb casting will prevent it from working properly.

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