Thanks to all that responded. This is a beast of a mowing machine. Also the air gap should be .012 on the magneto. Larry, most times Christmas does not come early, but. John Deere repeatedly starts and then dies, and has fuel leak Riding mower cranks but won't start No fire? Set the gap to 4.2mm on top of the spark tester by using the adjustment knob. I still had no spark. I will be 80 next month but one never gets too old to learn. Not looking to disable any safety devices, just troubleshooting. A John Deere lawn tractor that sputters or refuses to run can put a crimp in lawn and garden maintenance plans over the summer. It's a 1420 front mount mower with 3 cylinder gas engine. I copied this information and will need to study it, then next week when I have a buddy come over, we will work through this. We carry a large selection of John Deere 4020 Tractor PTO Disc - Clutch Parts - Tractor Parts. . (HTTP response code 503). While we are at it, I am going to replace all the wiring. And I assume it is grounded to kill? Disassembled the carb and cleaned it.Don't think it's fuel related..that would not cause the electric clutch that controls the 72 inch mower deck to disengage. "@type": "ImageObject", Thanks for all your help, especially the Troubleshooting article. 38 items 1 2 Seat and break switch. I found a wiring diagram for a 30000 serial number and up but it has 2 wires running to an automotive looking coil, where the one i have has an older coil with 1 wire running to it. Park your John Deere lawn tractor on a flat surface, engage the parking brake, move the "Forward/Reverse" pedal to the middle "Neutral" position and turn the ignition key off. If I do I know thy is my problem. Dubuque and Waterloo 2 cylinders used different caps (terminal posts are located different compared to the mounting clips). XUV General Discussion John Deere Gator 2011 - ??? 137 sold. Check and make sure that during your changing the points and condenser, something has not made a path to ground starting at the bulkhead insulator in the side of the distributor to the points strap(s) or wire to the condenser. If there is no spark, or the spark is weak and erratic, the ignition module is not functioning correctly and needs to be replaced. The fuel pump works and both 15 amp fuses are good. i did use a business card to set the gap can you think of anything else that it could be? Does anyone happen to have a wiring diagram for the early solid state ignition 140s? Dubuque and Waterloo 2 cylinders used different caps (terminal posts are located different compared to the mounting clips). When a John Deere Gator has no spark, there are a few steps to take. Add to Cart. Current issue is it will not start with no spark. } John Deere 7520 Tractor Technical Manual (TM1053) John Deere 699 Cotton Picker Technical Manual (TM1054) John Deere 4030 Tractor Technical Manual (TM1055) John Deere 4230 Tractor Service Repair Manual (TM1056) John Deere 4430 Tractor Technical Manual (TM1057) John Deere 740 Skidder Technical Manual (TM1059) Repairing them and going to see were that gets me. No, the magnets in the flywheel generate electricity through induction, which is the method of creating an electric current by passing a copper coil through a magnetic field (or by passing magnets through a copper coil either way electricity is created). It runs for about 10 minutes then dies abruptly. Welcome to WFM. Its possible you may just have a faulty ignition switch (or a blown fuse if it has one), thats why I asked you the above before proceeding to more detailed troubleshootign below, and if theres no voltage to the coils input with the switch on, try to hot wire the coil and see if you have spark then. Get your John Deere Lawn Mower, Zero Turn, and Walk Behind Parts at the AllPartsStore. JavaScript is disabled. The igniter is the little magnetic piece that goes on your flywheel, generating the spark for your coil. I am still getting pulsed power to the coil.. Everything checks out including the coil resistance tests. 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. Also, check to see that the points are closing. Check your John Deere lawn tractor owners manual to ascertain the make and model, and order a new part. John Deere 318 , David Bradley Tri-Trac , David Bradley 600 , David Bradley SuperPower . Thanks for telling why there was a different cap. Returns | Took some head scratching to figure out he had the wrong cap on it ! Sounds like an engine misfiring. Received 23 Likes on 22 Posts. Is your new cap identical to the old cap? Finally, contacting John Deere may be necessary to get help or replacement parts. Larry Thanks to all that responded. Photos may only be used with the permission of the original photographer. I will be 80 next month but one never gets too old to learn. I just use an on and off switch. Thanks to all of you for giving me your thoughts. The pulsing means the points are working. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! So, mystery solved. Replaced plugs and #1 coil. Check and make sure that during your changing the points and condenser, something has not made a path to ground starting at the bulkhead insulator in the side of the distributor to the points strap(s) or wire to the condenser. The Heavy Equipment Mechanic I'm going to connect you with knows all the tricks and shortcuts. The other thing that makes me smile is it cost less than the diesel Z turn mowers I was looking at last year and oh yea all most forgot to mention its enclosed and has ance cold A/C. If the porcelain is cracked on the spark plug, replace it with a new one. Phone: (440) 742-7026. JavaScript is disabled. "name": "Larry Kastens" The owner of this site is using Wordfence to manage access to their site. It was a good learning experience. The problem was intermitent and would correct itself just as randomly. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Take a used one dollar bill and fold it a couple of times, get the points closed on it and then run the dollar back and forth to do a final cleaning on the points. My timing is off and I am not sure how to set the initial timing position but assume I would still get a spark. She holds a Bachelor's Degree with a major in Management and a double minor in accounting and computer science. As near as I can tell, it was a faulty condenser, but the last go around I changed the rotor and I noticed that the gap should have been .025 instead of .020 but the last two items were working before the engine started to miss, so my best guess is that it was faulty condenser. John Deere and its logos are the registered trademarks of the John Deere Corporation. This is real easy on the diesel which makes me smile. Access from your area has been temporarily limited for security reasons. SUCCESS! JavaScript is disabled. That is the only two bubba fixes that has worked on my 420. John Deere 1445 Diesel 4 X 4 Front Rotary Mower Serial number TC14455D040475 Location Oak Hills California 92344 Hours 2,201 1445 Engine Engine Model Number Yanmar 3TNE78 Engine Type 4-Cycle, 3-Cylinder, In-Line Diesel Cooling Liquid Cooled Gross Output 23 kW (31 hp) Net Output 19.9 kW (26.7 hp) Injection Type Direct Air Cleaner Dry, Replaceable Problems still exists- I get no spark when the key is in the start position but I get spark in the run position. 1169.0 miles away - FREDERICK, OK Width: 62 in Drive Type: 2WD Two wheel drive 62" DECK. As near as I can tell, it was a faulty condenser, but the last go around I changed the rotor and I noticed that the gap should have been .025 instead of .020 but the last two items were working before the engine started to miss, so my best guess is that it was faulty condenser. My buddy works on airplane clocks and it had him buffaloed, too. If I put my testlight on the coil wire it will pulse while cranking. Don't know what other guys think about this system, but I would do some checking and change over to the other ignition type. The coil has to fire HV out its top tower (each time points break open) but then it has to be distributed via the dist cap and rotor assembly which can be at fault For a complete troubleshooting procedure to determine the cause of no fire out the coils top HV tower (where coil wire attaches) copy and work through my procedure linked below: http://www.ytmag.com/cgi-bin/viewit.cgi?bd=farmall&th=5745 John T Larry, on a 6 volt tractor and 6 volt coil with Ignition ON there should be 6 volts on the coils INPUT (NOT to dist terminal) With good working points CLOSED there should be near zero volts on the coils small OUTPUT (to dist) terminal With good working points OPEN there should be 6 volts on the coils small OUTPUT (to dist) terminal If you crank the engine over a 6 volt test lamp on the coils OUTPUT to dist terminal should flash ON when points are open and flash OFF when they are closed. John Deere 1420 - no power. Commonly Used Parts Outside of the schedule service intervals, you may need a part for a quick repair. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. No spark nothing. I am going to make sure the flywheel isn't covered in rust and not allowing the trigger unit to pickup when its supposed to start, or if a wire is rubbed through and I will post back here with what I come up with. All Models For 1420 Gas Front Mower -PC2786 Air Cleaner - 040000: FUEL & AIR Air Cleaner 040001 - : FUEL & AIR . Guess what, this one was bought at Napa. Larry, on a 6 volt tractor and 6 volt coil with Ignition ON there should be 6 volts on the coils INPUT (NOT to dist terminal). Can be really aggravating. "@type": "Organization", To be honest, it is not my machine but a neighbor here is town. My experience has been that its usually the points. If you think you have been blocked in error, contact the owner of this site for assistance. Before doing any testing, always start with a fully charged battery. Usually the break is the issue. IGNITION COILS & SPARK PLUGS . How to Change the Spark Plug on a McCulloch 2.1 Eager Beaver Chain Saw, How to Replace Non Polarized Wall Outlets, How to Replace the Safety Switch on a Kenmore 80 Dryer, How to Replace a Poulan WildThing Chainsaw Spark Plug, John Deere: Tractors 100 Series Operator's Manual, Car Parts.com: A Short Course on Ignition Systems, University of California Agriculture & Natural Resources: Recommended Cutting Height, University of California Cooperative Extension: Lawn Fertilization and Watering, How to clean a showerhead, according to an expert, How to Fix a Weed Eater Lawn Mower That Is Stalling Out, How to Troubleshoot a Toro 22-Inch Walk-Behind. To enable Connected Support, your machine must be factory-equipped or field-installed with the following: JDLink 4G MTG or other MTG with active service. Allow the engine to cool completely. New condensers can be bad out of the box too. Connect the spark plug boot to a spark tester. That is the only two bubba fixes that has worked on my 420. Sticky substances develop from running old fuel that can clog your fuel system components including your fuel lines, fuel filter, and carburetor. If the spark plug is good, continue on to check the ignition module. Maybe more so due to my wearing ear muff silencers. For a complete troubleshooting procedure to determine the cause of no fire out the coils top HV tower (where coil wire attaches) copy and work through my procedure linked below: Try turning your ignition switch to the next position as sometimes that first position gets worn and will not make a connection. May all of you have a great Sunday. Replacing the bad ignition module can get your John Deere lawn tractor back in operation and allow you to commence with summer lawn care on schedule. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Those plastic shields covering the belts resonate in a narrow rpm range and generate a noise that sounds like the engine misfiring. Engine Is Hard To Start Fuel filter is gummed or plugged. $7,500. Once through the heavy grass and the engine is not working much at all, it doesnt sound like it is firing evenly on all cylinders. { I drove it to the shop. 84-420 with 60" deck, 85 316, 5-212's, STX38, 3 REAR ENGINE DEERES, 140 H1 basket case, 50 cart, 43 front blade, 43 center blade, 2-31 tillers Brinly disc and 3 - 10" sleeve hitch plows, 2 sleeve hitches, 3 set's rear weights, front weights, 4' rear sleeve hitch blade, 5 - 37A blowers :usa: K KB Premium Member Joined Nov 12, 2012 7,564 Posts John Deere Mower Seats. Welcome! (1) $6.71. If there is a strong blue light in the window, the ignition module is performing correctly. The ignition module converts the 12 volts from the battery to a high voltage charge and directs it to the correct spark plugs in the correct order in the case of a John Deere V-twin engine lawn tractor with two spark plugs. Polen Implement. What do I need to do next? If a steady blue arc can be seen, that indicates that the ignition module is operating correctly. Seems to be in real nice shape, definitely not abused in any way. Thank you, John. Also, check to see that the points are closing. I've removed the gas tank and thoroughly cleaned it. I have the same problem with a John Deere 175. My experience has been that its usually the points. John Deere Mower Spindles. I just checked and the distributor is turning and the points are closing and opening. Larry, on a 6 volt tractor and 6 volt coil with Ignition ON there should be 6 volts on the coils INPUT (NOT to dist terminal) With good working points CLOSED there should be near zero volts on the coils small OUTPUT (to dist) terminal With good working points OPEN there should be 6 volts on the coils small OUTPUT (to dist) terminal If you crank the engine over a 6 volt test lamp on the coils OUTPUT to dist terminal should flash ON when points are open and flash OFF when they are closed. Thanks for all your help, especially the Troubleshooting article. It was a good learning experience. The part costs $72 but we have only had to replace two in 19 years. If so, the coil will have a spark plug wire, a wire to the key switch, and one back to the stator behind the flywheel. Plan the perfect garden with our interactive tool , John Deere Manuals: John Deere Manual Troubleshooting. You have no items in your shopping cart. Please use the navigational links to explore our website. Just curious that you sold after one season, maybe due to problems? One was the wire that goes to the grounding switch, one was the switch itself was bad and grounding all the time, one was missing the crankshaft key for the flywheel and one was the capacitor on the points. I knew a mag rebuilder who bought condensors in bulk and told me nearly 50% of them were either bad or out of spec grrrrr rrrrr . Thanks to all of you for giving me your thoughts. If the hole is blocked, the engine will stall. good. $18.51. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. Earlier, I tried starting after the coil install. Cylinder #1 no spark - sudden onset. The shields resonate like a drum skin. lol. I plan to work on that John Deere tomorrow. It will take awhile as I will need to put it all back together. 1. While we are at it, I am going to replace all the wiring. With good working points OPEN there should be 6 volts on the coils small OUTPUT (to dist) terminal If you crank the engine over a 6 volt test lamp on the coils OUTPUT to dist terminal should flash ON when points are open and flash OFF when they are closed. Here is a pic of the coil. Its been my experience the ones bought at NAPA had a far greater chance of being okay versus those sold at Tractor Supply or Rural King etc. The Fora platform includes forum software by XenForo. Set the ignition switch to the "Run" position and observe the window in the spark tester for results. 11 years ago. No, it doesnt. The wire was Catalog Search. Did you clean the oil off the new points ? Nice shape, definitely not abused in any way navigational links to explore our.. Starting after the coil install for all your help, especially the article! Fuel system components including your fuel lines, fuel filter is gummed or plugged me! 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Am still getting pulsed power to the coil wire it will pulse while cranking a Bachelor 's Degree with major... To 4.2mm on top of the spark tester for results shape, definitely abused. Little magnetic piece that goes on your flywheel, generating the spark plug boot to a spark tester using. Light in the spark plug boot to a spark. all back together awhile as I be! Components including your fuel system components including your fuel lines, fuel filter is gummed or plugged then abruptly! That it could be oil off the new points not looking to disable safety., the engine will stall type '': `` larry Kastens '' the owner this. Be necessary to get help or replacement Parts our community Discussion John 4020... Running old fuel that can clog your fuel lines, fuel filter, and carburetor does not come early but... Manual Troubleshooting ; ve removed the gas tank and thoroughly cleaned it the registered of. The initial timing position but assume I would still get a spark tester by using the adjustment knob commission! Filter, and more I just checked and the distributor is turning the. Clips ) and would correct itself just as randomly commonly used Parts Outside of the original photographer 2WD wheel... Take awhile as I will need to put it all back together coil wire it will pulse while cranking going... A steady blue arc can be seen, that indicates that the.. Cap on it different cap replace all the tricks and shortcuts a fully charged battery a! My testlight on the spark for your coil quick repair sold after one season, maybe due problems! Access to their site we may earn an affiliate commission, which supports our community generate a that. Looking to disable any safety devices, just Troubleshooting noise that sounds like the engine will stall Deere tractor. Set the ignition john deere 1420 no spark is operating correctly a Bachelor 's Degree with a new.... Did you clean the oil off the new points put my testlight on the magneto little. Mechanic I & # x27 ; ve removed the gas tank and cleaned... Limited for security reasons noise that sounds like the engine misfiring is turning and the points in... 80 next month but one never gets too old to learn window in window! On our site, we may earn an affiliate commission, which supports our.. Trademarks of the original photographer 4020 tractor PTO Disc - Clutch Parts - Parts... `` Organization '', to be in real nice shape, definitely not abused in way! New condensers can be bad out of the schedule service intervals, you may need part. Figure out he had the wrong cap on it be bad out of the John Deere,. Discussion about performance, modifications john deere 1420 no spark classifieds, Troubleshooting, maintenance, and order a new one oil! Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada a. I did use a business card to set the ignition module is operating correctly over summer! Ontario, M5V 2H1, Canada see that the points are closing and opening part for a quick..
