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52 8N - Fixing Starter

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Ron-MO

12-02-2007 15:56:39




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I worked today trying to fix a few problems which cropped up over the summer and get ready for winter (a little late). Just finished replacing what appears to be a leaky head gasket which was pressurizing the cooling system, then putting coolant in the cylinder causing smoke on startup. My next problem is something that has always haunted this tractor.....poor starting, especially in cold weather. The biggest issue has always been the starter drive releasing before it starts which in turn ends in with either a flooded carb, or low battery and still no start. Will new starter brushes and new drive in the starter fix this starter? About 2 years ago I pulled the starter and the brushes did not look bad, and I thought after I cleaned the drive and put it back dry it helped, but that was short lived and went back to its old tricks. Someone told me the positive drive that are available will fix this. I just bought a magnetic engine heater to help, and I need this tractor to start in all weather reliably for snow removal.

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Ross Pugh(NC)

12-03-2007 09:03:19




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 Re: 52 8N - Fixing Starter in reply to Ron-MO, 12-02-2007 15:56:39  
You may have some bad teeth at one spot on yer ring gear.



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Bruce (VA)

12-02-2007 18:09:12




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 Re: 52 8N - Fixing Starter in reply to Ron-MO, 12-02-2007 15:56:39  
While a positive drive bendix will likely fix the problem, it might be a good idea to replace the battery cables as well. Make sure all of the grounds are clean & shiny and that you have a good paint free mating surface between the starter & the block. And, keep the battery charged.



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Bill/N.E. Oh.

12-02-2007 17:06:44




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 Re: 52 8N - Fixing Starter in reply to Ron-MO, 12-02-2007 15:56:39  
Mine does the same thing. Aggrevating aint it? I have new everything. I even replaced the bendix and it still does it. Odd thing is, it does'nt do it when a 12 volt is hook to it. Seems to me that my six volt just does'nt have enough to spin the starter fast. I'm begining to think that I should have converted it when I rebuilt it.



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Bruce (VA)

12-02-2007 18:03:04




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 Re: 52 8N - Fixing Starter in reply to Bill/N.E. Oh., 12-02-2007 17:06:44  
If you have poor compression, the 12v is spinning it faster & building up more compression. Did you put the new, postive drive bendix on it? That will allow the engine to turn faster, also giving more compression, before the bendix kicks out.



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Hobo,NC

12-02-2007 17:43:48




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 Re: 52 8N - Fixing Starter in reply to Bill/N.E. Oh., 12-02-2007 17:06:44  
12V done rite can not b beat,,, parts avialibilty,,, EZ to repair,,, mix and match parts. Pert near any 12v battery will work.



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Ron-MO

12-02-2007 17:13:37




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 Re: 52 8N - Fixing Starter in reply to Bill/N.E. Oh., 12-02-2007 17:06:44  
I believe i am going to try one of the positive engage bendix. A co worker told me some time back that that fixed his. You are exacty right, and I have nearly everything new over the last few years except for the internals of the starter on mine. This one is even hard to start when hot, and if you do not have the throttle set exactly right it will take several attempts at the starter, and heaven forbid if your battery is not up to snuff forget it as you will run down the battery before it fires off.

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old

12-02-2007 21:58:47




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 Re: 52 8N - Fixing Starter in reply to Ron-MO, 12-02-2007 17:13:37  
Sounds like it has many problems. Shoot I have a 1951 8N that say for 20 plus years and it starts after say 5 turns of the crank and thats after it has sat for 30 days. Fire it up yesterday after it had sat for a month and it fired right up and it was around 40 out.



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Ron-Mo

12-03-2007 05:51:59




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 Re: 52 8N - Fixing Starter in reply to old, 12-02-2007 21:58:47  
Mine would start easily at 40, however not without a couple of "spin outs" on the bendix. When it is 0 to 10 degrees out I need all the battery power to crank it over, not "spin out" on the bendix before it fires up. I think Zane hit the nail on the head and I need a new bendix. Most everything else has been replaced within the last year or so and none of that helped.



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old

12-02-2007 16:18:46




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 Re: 52 8N - Fixing Starter in reply to Ron-MO, 12-02-2007 15:56:39  
You might have it timed a tad bit advanced and that will coause that type of problem or have the points set wrong, same difference. Points need to be set at .025 for the side mount which is what you should have. Ron-MO does the MO stand for Missouri?? If so and your close enough I'd be happy to take a look at your problem child. LOL

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Dunk

12-02-2007 16:12:59




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 Re: 52 8N - Fixing Starter in reply to Ron-MO, 12-02-2007 15:56:39  
A good dry, wet, compression test may help answer that question.

Not knowing the condition of your engine, leaves that wide open, and unanswerable.

If you get a good hit on one or two cylinders, and not on another, that may kick your Bendix out, and still result in a no start condition.



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Ron-MO

12-02-2007 16:22:29




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 Re: 52 8N - Fixing Starter in reply to Dunk, 12-02-2007 16:12:59  
Engine is in good condition. Good compression. As much as I hate to admit it, this tractor has suffered from this problem for 30 years (when my father owned it and I was a kid). Even after an engine rebuild the problem remained - hard cold weather start and starter spinning out from the flywheel. I have probably answered my own question, but just wanted to know if I am missing something. Now that I think about it I am pretty sure the starter is orginal and never replaced, or rebuilt. I have been around this tractor since dad bought it around 40 years ago, and I am fairly certain it had not been touched prior to that.

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