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Ariens Gt19 Interlock/time Delay


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#1 Wm McNett OFFLINE  

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Posted September 21, 2012 - 09:56 PM

Beings my New Holland S14H was torn apart, trying to tighten up the steering.

This GT19 showed up for sale. Which I had been looking or planing on building something with more power to run my 60" deck and the vac bagger.

I've been working on it for about 2 weeks, fixing a bunch of stuff, glad I have a GT18 basket case that I could steal the $$$$ front PTO setup out of, and trouble shooting the electrical system.

I've come to the conclusion that it's a 931026 and it originally had the transistor interlock module board, which is on my GT17, that was replace with the 531160 or 531236 interlock module service assemble.

Sometimes I could get the PTO's to engage, if I turned my head just so, held my mouth just right and wiggled the PTO switch like this, but now I get nothing. If I get off the seat with either switch pulled the engine dies, like it should. After hours of probing w/ my VOM and reading the electrical section in the repair manual.

http://apache.ariens...als/000127A.pdf

I'm beginning to suspect the round time delay module w/ the 3 yellow, black, and red wires.
If I jumper the red wire to ground, the relay clicks and then if I pull the PTO switch the clutch engages.

My question is, does anyone know the part number for just the time delay module that comes in the 53123600 interlock module service assemble that is $185 from Jacks.
I don't need the relay and wiring, just the time delay module.

My guess is that a $120 53125500 module from the newer 931029 GT19 Could be the correct part but I would hate to spend that kind of money on a guess.

I was going to take the one off my dads GT20 but it has nothing that looks like what I have. Then again maybe the 53125500 updated module is a time delay and relay in one and he has already replaced it. If he wasn't on vacation in Hawaii for 2 weeks I'd ask.

Then again, for $100 I'll tear mine apart, if I can separate it from all the black goo they filled it with, find out whats what and build my own.

Bill


EDIT: 10/14/2012


While looking through the PM-931000.pdf looking up bolt lengths for the 60" deck, it shows the 531236 Interlock Module Service Assemble and lists all the part numbers. 030843 is the Time Delay Module which updates to 53125500 $119.75

Edited by Wm McNett, October 14, 2012 - 11:00 AM.


#2 Wm McNett OFFLINE  

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Posted September 22, 2012 - 12:13 AM

With a little Google, I'm going to build my own for much less than what it would cost to buy a new one.
http://www.bowdensho...htm#relay_i.gif

#3 shorty ONLINE  

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Posted September 22, 2012 - 06:41 AM

With a little Google, I'm going to build my own for much less than what it would cost to buy a new one.

I was thinking that would be one of those little parts that any seller thinks is made of gold. It was bypassed on mine when I got it and I never changed it. Have fun making it and let us know how it turns out.

#4 Alc ONLINE  

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Posted September 22, 2012 - 09:24 AM

Bill do you know why they didn't just use a standard relay instead of the time delay thingy ? Thanks , Al

#5 shorty ONLINE  

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Posted September 22, 2012 - 10:33 AM

The time delay is for the seat switch, if your bum bounces off for a second it doesn't kill the engine if you recover your seating right away.

#6 Alc ONLINE  

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Posted September 22, 2012 - 11:22 AM

The time delay is for the seat switch, if your bum bounces off for a second it doesn't kill the engine if you recover your seating right away.

Well that makes sense , I guess I was a head of my time when I put a small ( 4" x 4" ) piece of indoor/outdoor carpet between the seat switch and seat on mom and dads WH 35 years ago to keep it from shutting off the tractor over little bumps lol , Al

#7 Wm McNett OFFLINE  

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Posted September 22, 2012 - 11:31 AM

This shouldn't be too hard to build and should be under $20 ;-)


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#8 Wm McNett OFFLINE  

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Posted September 22, 2012 - 12:22 PM

Yep looks to be a bad connection in the brown 3 position connector. Even though I get 12 volts on all 3 wires on both sides of the connector, with the seat switch bypassed and the key on. when I move them the interlock relay clicks. Time to take the terminals out of the connectors and see whats what.

#9 Wm McNett OFFLINE  

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Posted September 22, 2012 - 04:14 PM

not the brown connector but a bad solder connection on the red wire. every time I pulled on it the relay would click. Off I go to Radio Shack

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#10 shorty ONLINE  

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Posted September 22, 2012 - 05:48 PM

Now that is a toasty piece. That is where I utilize the junk can and grumble about the price of a new one. Trying to fix little things like that makes me feel like I have all thumbs.

#11 Wm McNett OFFLINE  

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Posted September 22, 2012 - 06:44 PM

I had to heat the black goo they had it encapsulated with, the wire insulation didn't hold up :smilewink:
I have everything off the board now, searching for what the big diode is.
It says S6AH, my best guess is that is a silicon 6 amp and the H is a voltage rating.
The transistor is a 2N3904, the 2 little diodes are 1N4004, the resistor is a 7500 ohm, and the capacitor is a unknown because the label stuck to the black goo.
I'll have to find my pkg of caps and test a few out.

#12 Wm McNett OFFLINE  

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Posted September 25, 2012 - 12:00 AM

After looking at this little circuit board, the Ariens print for the time delay circuit is not correct.
I've decided to attempt to repair this one I have vers building a new one ;-)

#13 Wm McNett OFFLINE  

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Posted September 26, 2012 - 02:42 PM

There, all fixed and it even works :-)


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#14 KennyP ONLINE  

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Posted September 26, 2012 - 03:36 PM

Glad you know how to fix this stuff. I'm happy it is working for you! Where are you located, at least something close.

#15 Wm McNett OFFLINE  

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Posted September 26, 2012 - 03:50 PM

DOH! spoke too soon, while mowing something in the little metal can got hot. I seen smoke and the liquid electrical tape that I used was almost on fire.
I'm in South East Michigan. Adrian 49221
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