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Tractor Talk Discussion Forum

I need some quick help

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Jrry

11-06-2004 08:55:26




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I recently purchased a Allis Chalmers WD 45 (1955 model) and am trying to get it running. I had the starter rebuilt and put it on and it wouldn't do anything, I took it back and they checked it and assured me it would work. I have tried now again and it doesn't do anything. I have power to the starter and I replaced the push button on the starter and it still doesn't work. I took the bush buitton off and touched the hot cable to the starter directly and nothing, Is there a safty switch or something that I am missing? I have the tractor in neutral and the hand clutch disingaged. thanks for any help.

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Donol60

11-07-2004 19:52:42




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 Re: I need some quick help in reply to Jrry, 11-06-2004 08:55:26  
This starter has a manual switch held to the starter with 2 screws, remove the screws lift the switch off,use jumper cables from battery hook one clamp to starter houseing touch other clamp to contact terminal that was under the switch.I think this switch is not making contact when you pull the starter rod.



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Jrry

11-08-2004 06:07:59




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 Re: I need some quick help in reply to Donol60, 11-07-2004 19:52:42  
Don, I did that and got nothing- not even a spark. thanks though



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George G

11-07-2004 06:46:41




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 Re: I need some quick help in reply to Jrry, 11-06-2004 08:55:26  
First, their are no safety switches on a 1955 AC WD-45. I guess the first thing I would do is, take my meter, touch the red lead to the hot wire at the starter, touch the black lead to the starter housing. You should see 12 volts on the meter at this point. Now, with your third hand, push the starter button. With the button pushed, you should still see 12 volts on your meter. If the meter drops to something less than 12 volts, release the starter button, take your black lead,and touch it to the bellhousing, you will see 12 volts, again, with your third hand, push the starter button, with the button pushed, your meter should still show 12 volts. If it drops to somthing less than 12 volts. There are two wires hooked to the post on the starter, one is the battery cable, the smaller one goes up to the ammeter. Disconnect the smaller one from the post on the starter. Now try your starter again, the tractor won't be able to start at this point, but the starter should work. I'm not trying to write a book here, so try that, let us know what happen's. We can go from there.

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Jrry

11-08-2004 06:13:19




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 Re: I need some quick help in reply to George G, 11-07-2004 06:46:41  
George, my meter is no longer working so I'll have to get another one. I was using a light to check power. I did remove the wire to the ammeter and still nothing. I even put more insullation behind the wires to be sure it wasn't grounding out. I took the starter out of the tractor and tried it and got nothing. I think it must be a problem with the starter even though the shop rebuilt it and then checked it out a second time. thanks

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Jrry

11-07-2004 05:03:50




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 Re: I need some quick help in reply to Jrry, 11-06-2004 08:55:26  
Thanks guys for all the answers however I had done all the suggusted below except the hammer. The engine is loose which was the first thing I checked, the cables next, the amount of power to the starter next. When I put the battery cable directly to the starter it did not even spark. As I mentioned earlier I had the stzrter checked for a second time and was assured it was ok. I mainly wanted to know if there was a safty switch which would keep the starter from operating. I would guess not since no one mentioned it in the replys. thanks again

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RAB

11-07-2004 06:58:20




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 Re: I need some quick help in reply to Jrry, 11-07-2004 05:03:50  
JRRY. Why do you waste everybody"s time by not telling anyone what you have "supposedly" done before you post?
From your fiasco with the 1650, I would have thought that you might learn a little.
It seems you have not checked the motor on the bench, - and how do you measure how much power is available at the starter lead? Maybe you measured the volts on open circuit? What is the voltage at the starter motor(and at the battery terminal) when the starter switch is operated? How many wires go to the starter. If it is just one direct from the battery with a mechanically operating contactor, there is patently no electrical interlock.
These are the things you should have done, even before coming to the forum, if you are smart enough to have already done all these other checks mentioned. If you have done all those things you would not be coming back with no information - Bigdog said early on "Have you checked the motor runs off the tractor using jumper cables" (direct to the battery, not from the battery leads).
Sorry if this is a bit abrupt, but.....

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Old Ford Mechanic

11-06-2004 12:52:33




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 Re: I need some quick help in reply to Jrry, 11-06-2004 08:55:26  
Jerry,Have you turned the engine by hand too verify its not stuck.Put something on the crank pulley or use a bar to engage the teeth on the flywheel.If its locked up the starter will not turn it.



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John R.-IL

11-06-2004 13:40:35




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 Re: I need some quick help in reply to Old Ford Mechanic, 11-06-2004 12:52:33  
That was my first thought. Was the tractor running when you bought it? Engine could be locked up.



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RAB

11-06-2004 10:25:54




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 Re: I need some quick help in reply to Jrry, 11-06-2004 08:55:26  
Jrry, Don"t let this be a fiasco like your 1650 plug leads.
Remove the starter and do as suggested lower down the postings - check the starter will work BEFORE putting it on and off twenty times!!
Save yourself lots of time and wasted effort by eliminating the obvious first. If the starter will run OK off the tractor, then check your leads connections (also suggested down below). The fact that you have power or juice at the end of the cable does NOT necessarily mean there is enough to run a starter motor. They need high amps just to get them started. Then get back here and tell us what you find.
RAB

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Keith-OR

11-06-2004 10:09:03




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 Re: I need some quick help in reply to Jrry, 11-06-2004 08:55:26  
You check to see if you have good clean mating surfaces on starter and bellhousing. New paint on both surfaces or rust will act as an insulator and not allow good ground from starter to the rest of the tractor. Put a jumper cable from your neg post on battery to starter housing then try the starter (Use this if you are using negative as ground to the chassis)!!!!
HTH



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oldart

11-06-2004 10:00:49




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 Re: I need some quick help in reply to Jrry, 11-06-2004 08:55:26  
when you used the jumper cable did it spark when you tuched the terminal on the starter if yes the starter is jambed at the gear or the engine is stuck to test the starter your self take it off and put the jumper cables to it make run. ART.



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another doug

11-06-2004 09:06:54




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 Re: I need some quick help in reply to Jrry, 11-06-2004 08:55:26  
Jerry, You need to check the grounding cable.Now it's a 6 volt battery right? those cables carry more amps than a 12 volt so they are fatter and heavier, you may have some rust at the frame connection there, take it off and wire brush it real good,the electricity has to make a loop, a circut....is your battery charged up good? Get back here and let us know what you found out....



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Jrry

11-06-2004 09:13:56




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 Re: I need some quick help in reply to another doug, 11-06-2004 09:06:54  
Doug, it is a 12 volt. I checked the leads and cleaned them. There is power at the starter (the end of the positive cable at the starter has juice) and I put a jumper box for added power and still nothing.



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Bigdog

11-06-2004 10:03:26




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 Re: I need some quick help in reply to Jrry, 11-06-2004 09:13:56  
Clean your starter mounting surfaces. The ground for the starter is through the mounting to the tractor frame. Have you tried the starter off of the tractor using jumper cables to see if it will turn?



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Jerry Cent. Mi.

11-06-2004 13:09:17




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 Re: I need some quick help in reply to Bigdog, 11-06-2004 10:03:26  
I am not nuts: Give it a few raps with a hammer. It sounds like one of the brushes are not touching the armature. One of the brushes is probably stuck. I would take the metal band off and spray the brushes down with carb cleaner. Let us know what your solution finally is. Good Luck



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