Notes from Dr. Borkosky

just bought New to me 1949 8N Tractor was running a 5' brush hog fine then one day the JB weld that was on the exhaust manifold gives out and with it went all the umphf other than to limp it back to barn.

Thanks to every one and especially to Her Sparkmeister, Danke. 9. "author": { Move the touch control handle and observe if the control valve is moving in and out of the pump. The pigtail/tab not making contact.

12 volt converted, replaced spark plugs with new 347's and copper core wires. If you don't, stop right there & post back w/ that info. You should have continuity! 8. The cracks usually appear where it is impossible to get to weld and the housing must be replaced. 3.

the replacement of points with proper gap has returned my red belly to running condition :D smooth and powerfull is the engine. "@id": "http://www.yesterdaystractors.com/" CONTENTS. Look for a brown rubbing block. The other thing is to look for a leak in the system @ the ram cylinder rings etc and the pressure relief valve. Thats right I killed her. Not on the other side!

Incorrect positioning of the spring clip on the plate causing the pigtail to ground. 50 Tips success!! Compression dry results; #4 105psi (black oily gunk on sparkie)#3 105psi (black but dry sparkie) #2 110psi (black but dry sparkie)#1 120 psi (black but dry sparkie). $20 (cheap) Gap it 0.015 on all 4-lobes. } "headline":"1949 8N troubleshooting",

Coil on, cap off, points open. If you are having trouble w/ points failure, check the shaft. front mount distributor cap had #2 tower cracked so I replaced that, there was NO gasket on the cap so I cut one out. I set the points back to what I thought was previous but Now she wont start. 3. At this point, I just put the distributor, coil & cap all back on the tractor as a unit (it’s easier to do this from the left side). 3. I'd say you are having problems 1,6 or 7. If you do, you will also have continuity everywhere because the points are grounded.

BE SURE THAT THE LIFT IS FULL OF OIL AND THAT THE OIL IS CLEAR AND HAS NO WATER IN IT. If the valve is stuck you may be able to get it to working by moving it back and forth with the hand inside the housing till it is loose enough to move with the touch control only. Thats probably why the fixed point was bent back. When it blows inside it is just about impossible to determine what the cause is of a very weak lift until the pump is pulled from the tractor. The insulator at the end of the points where the copper strip attaches. "interactionStatistic": { Follow this wire to the coil. When I'm going to work on any thing with points I just put a piece of puter paper in my pocket. "@type": "ImageObject", If no other source of a leak can be found it is always possible that the pump gasket has failed internally.

Dirty/corroded/incorrectly gapped points 10. 4. Put on a pair of work gloves at this time. 61. You don't suppose there is a relationship, do you? This is when the retaining spring that is an integral part of the exhaust control valve breaks or becomes too weak to actuate the exhaust valve when it is moved by the control linkage. One probe on the lead on the top of the coil, the other anywhere on the body of the distributor. When the lift won't come down it is a sure sign that you have dirty oil in the hydraulic reservoir or that the return spring which is under the intake valve is weak and needs to be replaced or stretched out again to increase it's tension. (You can change points everyday & it will not fix bad bushings. I need help, I need that tractor to work, I've got weeds overgrowing my land, steers and donkeys are getting lost. The spring is located on the exhaust valve itself and has to be intact in order to move the valve when the linkage is moved. Now, rotate the tang on the distributor....as the points open & close, you have continuity (closed) and lose it when they open. The copper strip grounded to the plate. I'd say you are having problems 1,6 or 7. 6.

"description":"Discussion of 1949 8N troubleshooting in the Tractors forum followed by comments. I recommend the dollar bill 'cuz it is weird enuff to stick in a guys mind. Points gitt INVISIBLE corrosion that hassta bee polished off or you won't gitt enny sparkies. THERE IS ALSO THE REMOTE POSSIBILITY THAT SOMETHING IN THE PUMP DRIVE MECHANISM IS BROKEN SUCH AS THE SCOTCH YOKES THAT THE PISTONS ARE ATTACHED TO. You can remove them after the cover is on the work bench if it becomes necessary to remove the ram cylinder for repair. Incorrect seating of the coil on the distributor. Remember to polish the points with $1 bill clamped between the points when off-cam (points are spring-loaded closed) Iff'n yer really cheap, a torn strip of heavy brown grocery sack will also work. If the lift does not lift to the top of it's travel when the touch control handle is raise all the way up then you have linkage problems. Unless the coil is cracked or shows a dead short, chances are it's fine; square coils rarely fail cold. Make sure your meter/light works (don't ask....) Now, follow these steps: 1. If you detect movement, chances are it needs new bushings.). ......Dell, yer self-appointed sparkie-meister Priest......ya mucked around with the points and now it won't start. Loonies & Toonies don't work.8^) Stan Stan 1949 8N146710 1949 8N179555 1949 8N197904 1949 8N199000 1950 8N254079 1951 8N362039 Many spare parts off a 1950 8N Dell for the Canadian challenged , it cost $5.00 , not fair $4.00 more.

The pigtail/tab not making contact.

I have a method for testing for a crack. I replaced Manifold with new replacement that came without a gasket, so I salvaged the original, no breaks but it is tired and probably not sealing enough, but it is quieter new gasket is on order. Then you can fix it when you get into the cover. Chapter 4 - Belt Pulley . "height": 57 7. 3. The part # used to be 8N638. EXHAUST CONTROL VALVE SPRING DAMAGED OR MISSING. The condenser wire grounding. Coil on, cap off, points open. the replacement of points with proper gap has returned my red belly to running condition :D smooth and powerfull is the engine.

Having learned the hard way, I most always use Blue Streak brand points. $20 (cheap) Gap it 0.015 on all 4-lobes. To my knowledge a cracked housing is just about done. Not on the other side! NOT GOOD! 2.

"@type": "Person", My next choices are Wells or Echlin. Thanks to every one and especially to Her Sparkmeister, Danke. 9. Assuming that the bushings & advance weights are ok, the most common electrical failure (no spark, weak spark) points on the frontmount are: 1. The pigtail/tab not making contact.

An ignition coil either works or it doesn't, although a weak spark can indicate a coil that is beginning to fail. Loonies & Toonies don't work.8^) Stan.

4.

The insulator under the concave head screw. "@type":"DiscussionForumPosting", You should have continuity! Water/moisture inside the cap due to gasket failure or the absence of a gasket. The reason I do this is because it is real easy to get the cap or coil mis-aligned trying to put it back together one piece at a time & the result is something gets broken or you get a ‘no spark’ problem. W/ all that work in the distributor, you've probably got a short somewhere. Byte the bullet and buy NEW points. Make sure your meter/light works (don't ask....) Now, follow these steps: 1. front mount distributor cap had #2 tower cracked so I replaced that, there was NO gasket on the cap so I cut one out.

One probe on the lead on the top of the coil, the other anywhere on the body of the distributor.

Unfortunately, many folks have experienced problems w/ points made by Tisco, Sparex, A&I Products and any TSC ignition parts.. Next, you need to do a continuity check on the distributor. 2. 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'd say you are having problems 1,6 or 7. Place the black prong to the negative coil terminal and the red prong to the positive coil terminal. 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 for: 2n-2nan, 9n-9nan. ......Dell Rick.......yeah, as long as its not toilet paper, eh? Assuming that the bushings & advance weights are ok, the most common electrical failure (no spark, weak spark) points on the frontmount are: 1. "publisher": {

"name": "Yesterday's Tractor Co.", I think that you are probably having a combination of problems which is common to the 8N lift.

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