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Farmall & IHC Tractors Discussion Forum
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Starter dragging

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Eds

02-13-2008 12:56:35




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have a farmall 300 that needs some work. I just have not quite figured it out yet and it has not been a priority for me. I saw it setting outside and after looking for the owner for a couple years I found him and purchased the tractor. I got it running good but the starter drags on it. I have checked the starter out and even had it checked out and it still drags it will drag and draw high amps and get the wire hot when trying to start it. I put a pry bar on the fly wheel and the flywheel seems to not turn free enough. It runs very strong and everything operates as it should when it's running with no odd noises all the fluids look to be good. When the weather warms up a bit I will look at it a little closer I pulled the plugs on the engine and it still turns hard. From looking at the book I noticed a pto disconnect lever under the tractor that if I remember correctly engages a shaft that turns off the flywheel. I am going to disengage that lever which should disengage the pto. I am not sure but was thinking if the pto is not adjusted properly maybe it's causeing the drag. Any suggestions thanks Ed

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Ron-MO

02-13-2008 13:07:54




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 Re: Starter dragging in reply to Eds, 02-13-2008 12:56:35  
The key there is the cable getting hot. Check that cable over closely or just replace it. Usually heat is an indicator of poor connection. After I inherited a C my dad had fought for years which would not start (had to be hand cranked) I made my mind up to fix the starting problem. New cables fixed it. The sad part was he fought that tractor, swapping starters, etc for years, and never put new cables on because they looked good. Now it starts well on 6 volts even though I am using small automotive cables (6 guage from Wal Mart at the time).

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Eds

02-13-2008 13:22:00




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 Re: Starter dragging in reply to Ron-MO, 02-13-2008 13:07:54  
I will look at that but I did disconect the 6 volt heavy wire to the starter and connected a heavy 12 volt jumper cable to the starter just to see if it would turn over better. That didn't work either. That is when I had the starter checked out. The flywheel seems to be pretty tough to spin with the plugs out That's why I thought it must be something else.



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Ron-MO

02-13-2008 13:42:34




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 Re: Starter dragging in reply to Eds, 02-13-2008 13:22:00  
You may in fact have a starter issue. Also make sure the mating surfaces where your starter bolts to the engine is clean and bright. I had one recently where that made the difference after wire brushing that surface(s). Remember that that surface is your path to ground, and if your starter has rust/paint/whatever where you mate with the engine it is no difference than having a dirty ground cable.

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Eds

02-13-2008 13:55:53




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 Re: Starter dragging in reply to Ron-MO, 02-13-2008 13:42:34  
It has some kind of brake shoe for the pto Just was wondering if that could be it? That flywheel seems hard to turn



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Hugh MacKay

02-13-2008 14:47:39




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 Re: Starter dragging in reply to Eds, 02-13-2008 13:55:53  
Eds: How cold are the temperatures where you live. If It's very cold and the seasonal disconnect is engaged, that will make it hard to crank. I had a 300 back when they were new always disconnected the PTO in winter. If I wanted to use the PTO in winter, I'd warn the tractor up then shut it off and engage the seasonal disconnect. That PTO turns hard when it's cold even with nothing wrong.

I'm not saying this will cure all, however it will let you know where the problem lies. If you disconnect it and it still cranks hard your quite well assured the starter is the problem.

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Eds

02-13-2008 15:53:07




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 Re: Starter dragging in reply to Hugh MacKay, 02-13-2008 14:47:39  
The book I have didn't give that lever a name or explain what it was used for. It just said it was used to disconnect the pto and gave a drawing of the parts.I was just trying to troubleshoot it and figured if it wasn't the starter or engine creating the drag it had to be something else.So that lever is called the seasonal disconnect.It is below freezeing here I immagine that pto oil is pretty thick and come to think of it The problem seems to be worse in the winter than summer.Thank you Ron and Hugh for the help. I will try it but I think we have probably found the problem.

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Hugh MacKay

02-13-2008 16:17:37




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 Re: Starter dragging in reply to Eds, 02-13-2008 15:53:07  
Eds: I remember the first winter we had the 300 new. It hadn't been used for a couple weeks and temp dipped to -20F. 300 wouldn't even turn over, got out the original IH operator's manual which does call it the seasonal disconnect. We disconnected it and the tractor fired right up.

Few weeks later my dad and I had left the 300 in the bush where we were cutting wood. Temperature dipped to -40, and we needed the tractor back at the farmstead. We went down, thinking it would never start, disconnect was still disconnected. I turned the key, 300 went urh, urh, urh and on that thrid one she fired up, 6 volt and completely unassisted by any artificial help. They will work on 6 volt.

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Eds

02-13-2008 17:00:58




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 Re: Starter dragging in reply to Hugh MacKay, 02-13-2008 16:17:37  
I know they work ok on 6 volts and many people say you should keep them all original but I will be converting this one to 12 because of the reliabity of the 12 volt alternator system and I have to do some wireing anyway. Ed



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