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Harry Ferguson Tractors Discussion Forum
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Slow starter when warm

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mark from the f

05-21-2006 19:55:16




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TO-35, 6 volt, Fresh battery, OO cables, Grounded to engine.
When cold-she turns over once or twice REAL slow-then begins to turn over faster-then starts. Runs terrific. When I need to shut her down for a couple of minutes, then restart. One or Two, maybe Three SLOW turn overs then nothing. Just like a dead battery. If I let her sit for a couple of hours, She starts.
I just got her and it had a 8volt battery with neg. ground. Switched her back to Pos. Ground and new 6 volt bat. & OO cables, points, condensor, plugs and wires.
Could Coil be weak when warm? Haven't checked timing-as she runs real well when running.
Could Starter have issues when warm?
Looking for some suggestions. Really Pi#$es me off when I can't get her fired up. Thanks Mark
Could

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mark fromthe fort

05-24-2006 10:32:52




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 Re: Slow starter when warm in reply to mark from the fort, 05-21-2006 19:55:16  
Thank you to all responders....I have a 2 year old so only God knows when I'll get to look her over. I appreciate all you suggestions. Mark



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Gerald J.

05-22-2006 07:38:51




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 Re: Slow starter when warm in reply to mark from the fort, 05-21-2006 19:55:16  
Check the centrifugal advance in the distributor. It may be sticking advanced which makes for hard cranking. I've seen that stall the starter on a Ford V-8. There's a wick under the rotor for lubricating the centrifugal advance parts.

Gerald J.



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Jim in OH

05-22-2006 05:36:24




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 Re: Slow starter when warm in reply to mark from the fort, 05-21-2006 19:55:16  
Could well be problems as described, but consider also your ignition timing. Timing that is too much advanced will resist cranking. And it is a more pronounced effect when hot. This is a much bigger problem with high compressions engines (which a Ferguson is NOT), but it still can be an issue. Jim in OH



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Jerry/MT

05-21-2006 22:08:41




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 Re: Slow starter when warm in reply to mark from the fort, 05-21-2006 19:55:16  
No the coil doesn't have anything to do with a slow starter turn over. It's usually high resistance in the circuit or worn brushes/dirty comutator or shorted field oils. The resistance is a little higher when the temperature is up but that effects all starters. You have a 6V system so make sure that all the connections are bright(clean) and tight. Make sure that you have full voltage to the battery side of the starter switch when you try to start. You should not have much voltage difference between the battery side and the starter side of the switch when you try a start either. You may need some starter work. Do a warm start up then shut it down right away. Feel along the components between the battery and the starter motor, including the starter switch on the bell housing, If any component is really warm, it has a high reisistance and might be the problem. Otherwise, check the starter brushes and the commutator. Look for worn brushes and a dirty commutator. It might be time to rebuild your starter.

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Joel K

05-23-2006 12:38:26




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 Re: Slow starter when warm in reply to Jerry/MT, 05-21-2006 22:08:41  
I had the same problem. since have replaced coil plugs wire, points. Same problem. Replaced the battery. Same Problem. My problem turned out to be the starter. I took it and had it rebuilt. I can now work. Turn on tractor. Starts right up everytime. Even after a few hours of field mowing can shut off and take a break. Starts right up. It is the best 100.00 I put in my 1955 TO35. I never would have guessed. I kept thinking it was the battery.

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