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Case 446 won't start?!


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#1 JohnMC OFFLINE  

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Posted September 02, 2015 - 07:21 PM

Hello, I recently aquired a case 446 and have been using it for a few days with  no problems, Then today I went to use it started it up moved it to the other driveway filled the gas tank went to start it and nothing... no click nothing.

 

So far I have checked the battery getting 12.7 from the battery. (Removed clean and tightend connections) Cleaned the grounds, Checked to be sure the PTO was Not engaged.

I have next to zero Electronical experience so bare with me.

It's the Desert/orange color

What should I try next?


Edited by JohnMC, September 02, 2015 - 07:24 PM.


#2 Bmerf ONLINE  

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Posted September 02, 2015 - 07:51 PM

Not familiar with this machine, but sounds like a safety switch. Seat switch? In neutral? Brake on? Maybe a wire fell off?


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#3 petrj6 ONLINE  

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Posted September 02, 2015 - 07:59 PM

   First thing I would do is look to the clutch switch, most of these machines have a switch on the clutch so that if it is not fully engaged the starter will not engage.  maybe a wire is loose ?  is the plug all full of oil and grime ?  Start there and work your way up.  If you look under the machine near the clutch pedal there will be a switch that the clutch pedal hits to close a circuit that allows the starter to work.  Good luck with it and keep us informed.

                                 Pete


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#4 gopher OFFLINE  

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Posted September 02, 2015 - 08:22 PM

IF any of my Case does nothing first thing I do make sure your in the seat hold the key over and work your TC back and forth . 9 times out of ten its that switch. No clutch switch no clutch.


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#5 JohnMC OFFLINE  

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Posted September 02, 2015 - 08:42 PM

 hold the key over and work your TC back and forth

TC?


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#6 JohnMC OFFLINE  

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Posted September 02, 2015 - 08:43 PM

Not familiar with this machine, but sounds like a safety switch. Seat switch? In neutral? Brake on? Maybe a wire fell off?

No seat switchs, Yes in neutral.



#7 gopher OFFLINE  

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Posted September 02, 2015 - 08:55 PM

Travel control some times on my 79 that switch hangs up holding the key in start position and going from forward to rev you hear it  catch. 



#8 JohnMC OFFLINE  

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Posted September 02, 2015 - 09:23 PM

Travel control some times on my 79 that switch hangs up holding the key in start position and going from forward to rev you hear it  catch. 

Just went out now and messed with it. Wasn't that.

 

any other ideas?



#9 bobofthenorth OFFLINE  

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Posted September 02, 2015 - 09:35 PM

There's several safety switches that may or may not still be present. None of my Case tractors still have any of them working but it sounds like at least one of yours still works. Most of them have a push button switch under the steering wheel tower, beneath the battery box. It needs to be closed for the starter to engage and that's where I'd start. But there's really no substitute for taking a test light and following the start circuit because after 30 or 40 years of life it's pretty hard for us to guess what a previous owner may have changed on your particular tractor.

#10 gopher OFFLINE  

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Posted September 02, 2015 - 09:36 PM

You can try jumping the solenoid that would be my next move. 



#11 gopher OFFLINE  

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Posted September 02, 2015 - 09:56 PM

I think there's only one safety switch on the old ones that being the neutral switch . Went out and looked on 76 446 I got a while back there is a fuse on the ignition switch Orange wire might be blown.  


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#12 bobofthenorth OFFLINE  

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Posted September 02, 2015 - 10:03 PM

Actually i think you'll find that they have at a minimum the neutral switch and the front drive clutch switch which I referred to previously. But after 30+ years it's anybody's guess what is still in place.

#13 motobreeder OFFLINE  

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Posted September 02, 2015 - 11:02 PM

I think TC=travel control.  The forward/neutral/reverse lever.

 

I just thought that was a new euphemism for a part that needed to be wiggled in the seat.



#14 Links56 OFFLINE  

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Posted September 03, 2015 - 10:07 AM

Check out the solenoid and make sure you are getting 12v to it when the key is turned. If not could be a faulty ignition switch or a saftey switch. If you do have power there it could be the solenoid is bad.



#15 JohnMC OFFLINE  

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Posted September 03, 2015 - 01:49 PM

Well thanks for your help everyone! It was a blown fuse in the orange ignition wire.

 

special thanks to Gopher for telling me to check the fuse!.






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