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Harry Ferguson Tractors Discussion Forum
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starter is seized

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Driver

11-08-2007 17:10:45




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The starter has seized on the first click. I have had the starter rebuilt.I have filed the teeth one at a time through the starter opening. It still seizes on the fly wheel upon engagement. I wonder if I had the wrong starter for my 12 volt tea 20 except it worked well for many years of snowplowing and became sloppy in the opening but worked. Now it seizes??? Any suggestions? It reads Lucas m35g on the side plate and the tractor fires immediately if pulled start without the starter.

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John(UK)

11-09-2007 07:50:56




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 Re: starter is seized in reply to Driver, 11-08-2007 17:10:45  
If the pinion sticks on the flywheel gear and the teeth on the pinion are ok then it can only be the Flywheel ring gear that is at fault. Being that this starter comes in from the clutch side you can't see the teeth, but I would imagine that the problem is that the lead-in on the teeth at that point has worn away. Find the two points that the engine comes to rest and feel the back edge of the teeth on the flywheel, I think that you will find they are damaged and really there is nothing you can do other than replace the Ring Gear. If you need the info for doing this work and resetting the governor etc.(because you will have to remove the linkage) then email me..John

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Bob (Aust)

11-09-2007 05:20:33




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 Re: starter is seized in reply to Driver, 11-08-2007 17:10:45  
My starter motor after reconditioning:

third party image

"...there are wear marks above the teeth on the shank..."

Ask John (UK) but the only cause I could think of, maybe, would be a very loose starter motor and it's moving under torque load???

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Driver

11-09-2007 11:06:50




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 Re: starter is seized in reply to Bob (Aust), 11-09-2007 05:20:33  
Thank you Bob.Aus and John.UK for your advice.I will reexamine the flywheel and consider the next step.Pictures really are worth a thousand words.
Bob.Perth.on



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Bob (Aust)

11-08-2007 22:37:55




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 Re: starter is seized in reply to Driver, 11-08-2007 17:10:45  
Lucas M35G is the correct starter for a 12 volt TEA20.

"...and became sloppy in the opening.."

You mean the starter was "sloppy" in the engine block mounting aperture ... or the Bendix drive is "sloppy" on the armature shaft?
Don't like the idea of filing the ring gear through the starter motor mounting aperture.
I suspect you may be up for a new ring gear (around $50 and a day to split the tractor and replace) and a new starter motor Bendix drive - if you can get one!

Here's my TEA20 starter motor before reconditioning:

third party image

If your starter motor looks like - and the ring gear is similarly worn - it is not surprising it sticks!

You can "unwind" it out by turning the square drive section on the other end of the armature shaft.

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Driver

11-09-2007 04:28:14




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 Re: starter is seized in reply to Bob (Aust), 11-08-2007 22:37:55  
Thanks Bob and Lance ,The starter was loose in the opening of the engine block (loose bolts). Also the picture is a great idea and the teeth of my Bendix drive are not nearly as worn as that. How do I know if the ring gear is worn to the point of replacement? In the picture there are wear marks above the teeth on the shank? I believe this is the area where mine is sticking...riding up on the ring gear since there are numerous marks on mine in that area.

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Lance J.

11-08-2007 17:45:56




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 Re: starter is seized in reply to Driver, 11-08-2007 17:10:45  
You say your starter is seized. By this, do you mean that the starter pinion moves out of the starter, engages the flywheel, and then just sticks in place without rotating? You also say that it was sloppy before this trouble started. By this, do you mean the pinion feels loose, has play in it? If so, perhaps you have a bushing problem.



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