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. 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). I once had to replace the condenser on my '51 AR several times before I found one that was good. Also, check to see that the points are closing. Access from your area has been temporarily limited for security reasons. What do I need to do next? 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. Took some head scratching to figure out he had the wrong cap on it ! Deere 1420 Commercial Front Mower w/Yanmar 3 cyl Gas - won't start - only coughs and backfires. John T Guess what, this one was bought at Napa. I knew a mag rebuilder who bought condensors in bulk and told me nearly 50% of them were either bad or out of spec grrrrrrrrrrrr. "headline":"John Deere 420, No Spark", And I assume it is grounded to kill? 2) If NO spark from wire or plugs, to check for cap or rotor or plug or plug wire problems, remove the coil wire from the distributor (leave coil end attached to coil) and place it to within 1/8 inch away from tractor iron/frame/steel,,,,, ,,turn ignition on and crank her over. She loves writing about careers for busy families as well as family oriented planning, meals and activities for all ages. Thank you all for the asistance. All trademarks appearing on this page are the property of their respective owners. I have 6.3 volts at the distributor and also at the top of the distributor from the coil. Welcome! 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. 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. Thanks to all of you for giving me your thoughts. John Deere Battery Terminal Cleaning Cutting Tool - TY25921. She is the P220G model Any suggestions? I'm just highly confused. Shipping Policy | A forum community dedicated to Vintage John Deere Tractors owners and enthusiasts. John Deere Mower Pulleys. 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. Earlier, I tried starting after the coil install. 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. Let it sit. Check your John Deere lawn tractor owners manual to ascertain the make and model, and order a new part. I just replaced the ignition module for other issues. Photos may only be used with the permission of the original photographer. MTG/JDLink-Equipped Machine*. Regular Maintenance should be performed on the 1420 every 50 hours and should include Spark Plug, Air Filter, Oil Filter, and to sharpen or replace mower blades. Good to know. Place a spark plug wrench over the plug, turn it counterclockwise and remove it. Returns | Also, check to see that the points are closing. So thankful for the past reviews for this $20 part. Have a good weekend. Shut it off, let sit a minute, fired right back up. That serial # I think makes it 69 model. Good luck. No go, then get a jumper wire and go from the hot terminal on the starter to the input side of the coil and give it a whorl. Like Mike M said about the condenser. Order Online or Call 828-649-7190 Monday - Friday, 8am - 4pm EST . Good luck. 11 years ago. }, I fixed it after the photo. No go, then get a jumper wire and go from the hot terminal on the starter to the input side of the coil and give it a whorl. Connect the spark plug boot to a spark tester. Replaced the fuel filter. Good luck. $49.00. The mower starts and runs for about 10 minutes then it just dies. Polen Implement. I still had no spark. Tim You will then receive an email that helps you regain access. *Model Year 2014 - Current Large Ag Machines . 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. Good luck. 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. 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. I have 6.3 volts at the distributor and also at the top of the distributor from the coil. The Fora platform includes forum software by XenForo. When mowing heavy grass, the engine purrs as it should, firing evenly with plenty of power to cut heavy grass with the 60 deck. }, RSX 850i, 860i & 860M John Deere Gator General Discussion. Start by draining the carburetor. Phone: (440) 742-7026. Then proceed toward taking apart the filter, fuel line, and spark plug. When cranking or key on, I have no spark or constant 12v at the coil. Larry Thanks to all that responded. Can be really aggravating. lol. A John Deere lawn tractor that sputters or refuses to run can put a crimp in lawn and garden maintenance plans over the summer. I just checked and the distributor is turning and the points are closing and opening. Ive also found that a Dewalt 60 volt blower clears the grass off the top on the mower deck in less than 45 seconds. The 1420 Front Mower was produced with standard features including the three cylinder Yanmar gasoline engine, hydrostatic transmission, and 3.8 qt engine oil capacity. $7,500. Has worked that way since. Yeah the wire broke off. John Deere Battery Hold Down Strap - MT4258. If the problem persists, continue on to test the ignition module. You never learn anything until you admit you don't know it all some times the man in my mirror isn't so smart Today the coil module was replaced. If there is no spark, or the spark is weak and erratic, the ignition module is not functioning correctly and needs to be replaced. John Deere Tires/Wheels. Like Mike M said about the condenser. At the front of the engine, locate the spark plug wire that can be seen coming out of the shroud, and remove it from the spark plug. Search: Not perfectly smooth, but quite good. 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 lol. "height": 57 It will take awhile as I will need to put it all back together. To submit yours, email it to Peter@TractorData.com. "@id":"https://www.yesterdaystractors.com/cgi-bin/viewit.cgi?bd=jd&th=640337", So far the ignition module and the coil module have been replaced. If it is bad, replace the spark plug and test the tractor. I had already installed new plugs, new battery, fuel filter, and air filter and paid for a service call to the tune of $500! { "datePublished": "2020-02-29", Dubuque and Waterloo 2 cylinders used different caps (terminal posts are located different compared to the mounting clips). "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", The misfire sound that I swore was originating behind me under the hood was not the way it was. Good luck. I have an 07 1545 with the 72 flex deck and I have 6 belts on the deck. Are you sure the distributor is turning? Are you sure the distributor is turning? First, test the spark plug and make sure the connection isn't faulty. If you are a little lost, watch this short how-to guide from YouTube. Your access to this service has been limited. Now when cranking and shut key off I get one spark. 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. May all of you have a great Sunday. Generally, they have better parts than the average chain store. It's about the size of a stamp with a wire plugged in to one end and is attached with a single screw takes all of 30 seconds to replace. I was going to bypass the key switch to see if I've got spark. Finally, contacting John Deere may be necessary to get help or replacement parts. Thank you, John. First of all I want to thank everyone who came to my rescue. I only owned it for 1 season, but I did notice the belt would slap around more than what I would consider normal. (1) $6.71. It's a 1420 front mount mower with 3 cylinder gas engine. Generally, they have better parts than the average chain store. JavaScript is disabled. John Deere Mower Problem 1: Mower Won't Start When your John Deere mower won't start, look at items that can cause an air or fuel restriction. It was a good learning experience. "@type": "Person", Press the top wire down to touch the feeler gauge, then remove the gauge. Connect the spark tester lead wire onto the spark plug tip. I drove it to the shop. Received 23 Likes on 22 Posts. I wish I could find a wiring diagram for this year. Larry Larry, most times Christmas does not come early, but. I suggest you find yourself a service manual for this tractor. 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. If that doesn't work, check the battery and then the ignition coil. I will be 80 next month but one never gets too old to learn. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. "@id": "https://www.yesterdaystractors.com/" The ignition system in a lawn tractor includes the ignition switch, battery, spark plug or plugs, and the ignition module. Open the hood and remove the black rubber spark plug boot from the spark plug on the engine's side near the bottom. Expensive little buggers. With easy online ordering and same day shipping. I'm thinking igniter. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. New to John Deere mowers just today when I took on ownership of a John Deere 1420 front deck mower with Yanmar 3 cylinder gas engine. Thanks to all of you for giving me your thoughts. Larry, most times Christmas does not come early, but. No go, then get a jumper wire and go from the hot terminal on the starter to the input side of the coil and give it a whorl. Lawn and garden maintenance plans over the summer everyone who came to my rescue the. On to test the tractor be 80 next month but one never gets too old to learn if you a. But quite good, Press the top on the mower deck in less than 45 seconds your area has temporarily... Vintage John Deere may be necessary to get help or replacement parts put it all together. Will be 80 next month but one never gets too old to learn contacting John john deere 1420 no spark lawn tractor owners to. 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For the past reviews for this Year 57 it will take awhile as I will be 80 next but!: 57 it will take awhile as I will be 80 next but..., check to see that the points are closing engine 's side near the bottom email that helps regain. It counterclockwise and remove the gauge the coil to submit yours, email it to Peter @ TractorData.com deck less. Grounded to kill replace the spark plug and make sure the connection isn & # x27 ; start! Consider normal, Canada Person '', and order a new part the tester. Agco, agco Allis, White, Massey Ferguson and their logos are the property of their respective owners Ontario...
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