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Rich and Ron,
Took the brushes to a DC motor shop this morning and not only did the old guy have the identical brushes he even knew at sight they came from a chinese tractors starter…I was impressed. $10 and tax and I was headed home with 4 new brushes. Got the commutator all cleaned up and new brushes installed and motor back together and installed. I did not hook up the additional solenoid as I wanted to remove variables. Turned the key and that tractor has NEVER spun that fast even when brand new. Less than a second to fire every time.
Thanks again for all the help.
Ok I have found the problem and Ron you were right. I guess the real clue should have been the fact I could not get the starter to spin when jumping the contacts…….though if I tapped the starter while jumping the contacts it would spin. I took the starter back off and took it apart and it is a royal mess inside. The brushes need replaced……any idea on a part#? I called Affordable and they can't get the brushes. Anyone know where to get the brushes and the proper product to clean the copper with?
Rich,
I have cleaned the ends of the battery cables already, I should have mentioned that. Cleaned and ground down where the negative attaches to the tractor as well but it made no difference.
Think the game plan today is to first take the starter back off and have a look at it and can go from there. I will be sure to check back to let you know the results as I hate when people leave threads hanging.
Rich,
That was an idiot proof explanation and I appreciate it. I have the solenoid already so will do that.
The clutch interlock switch…..can those wires being corroded be causing the problem?
Tomorrow will pick up the new battery cables..is size 1 good enough?
Rich,
Thanks for the reply. I hate to say it but ..to be completely honest the clutch interlock switch I don't even think the wires are taped 🙂 and have been hanging there twisted together at least 3 years? I thought that was an all or nothing thing…….apparently I am wrong. So I will start there.
I actually have the relay as I saw it posted once but I am just not sure how to hook it up. If you could give a more detailed description I would appreciate that.
I think I will just get new battery cables and start from there.
