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#1 Angus in Wyoming OFFLINE  

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Posted December 11, 2016 - 04:09 PM

OK gang I got the tractor running.  I posted earlier about my starting problem.  Thanks for the help.  I want to share what I learned in hopes that somebody else can have a "take away".

 

When I turned the key to start nothing happened.  I had checked battery and such.  I could jump to the armature post on the starter and it worked.

 

I checked the starter solenoid. First I checked the wire from the key switch.  It had 12vlt when I turned the key.

 

But I never heard the solenoid click. 

 

I pulled solenoid and but 12volts to the input side (from battery) and then 12 volts to the small pole (from the key switch)  I heard the click.--ok good

 

I then checked continuity between the two big posts with the solenoid engaged.  I had continuity there.  good

 

I then checked how much voltage was actually running through the solenoid.  I was only getting 1 to 2 volts going through it. 

 

I guess what I learned is that even if you have continuity through the energized solenoid, you may not have enough power going through it.

 

Anyway now the tractor is running.  Thanks again gang.

 

Angus


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#2 MH81 ONLINE  

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Posted December 11, 2016 - 04:22 PM

So, no click until you pulled it off.
Ground issues?
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#3 tater195 OFFLINE  

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Posted December 11, 2016 - 04:23 PM

Solenoids can be a PITA. I have a 10ga jumper wire that I use to check them real quick. I start at the starter side and work backwards. I jump the big posts to see if it will crank, if it does I jump battery post to the trigger post. You can get a god idea of how good the solenoid is by that. If it doesnt crank as good, I pitch it. I get the cheapy stens stuff at $10 a piece. A half good solenoid will cost you a lot of time to figure out at it aint worth the hassle.


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#4 Angus in Wyoming OFFLINE  

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Posted December 11, 2016 - 04:49 PM

So, no click until you pulled it off.
Ground issues?

Good catch.  I left that out accidentally.  My ground was good.  I think it worked when I pulled it off because I dropped it and I think it shook some pixies loose or something.  


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#5 KC9KAS OFFLINE  

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Posted December 23, 2016 - 02:34 PM

On my wifes GILSON, the brake pedal has to be pushed down to start.

There is a spring that makes contact with a long roll pin in the linkage. The spring is attached to a wire going to the solenoid, and the solenoid is isolated/insulated from the frame (ground). Once contact is made (pedal down) the starter engages.

1970 version of a safety switch, and it works!


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#6 PGHsteelworker OFFLINE  

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Posted December 23, 2016 - 07:58 PM

Not sure how I missed your other post but here is a couple of pics from a M/W, 16hp, gear drive manual dated 11/74. It may help or not.

 

MW Gilson (8).JPG MW Gilson (16).JPG


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