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JBI Work & Play Today


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#1 olcowhand ONLINE  

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Posted May 08, 2012 - 07:34 PM

After I put the tire assemblies back on the custom JBI today, then I had to make a new neutral position detent system for it, as I had robbed it off this one to go onto OE JBI.

Here is a factory detent system. The detent is built into the switch, and serves as a lockout to prevent the starter from engaging unless it is in neutral.
DSC00830.JPG

Here is what I built for a detent only, as I don't have another factory style neutral switch. The detent itself was some sort of air coupler. I made a detent plunger from a short piece of rod, and there is a spring on top of it, then the bolt on top to adjust the tension. The frame is just 3/8" steel strap. The rod is simply a section of tie tod, with a std tie rod swivel connecting to the hydro control arm. Even factory, there was no auto neutral return system, except for a spring to pull it back from reverse, which doesn't truly even work anyway.
DSC00821.JPG

You can see how the plunger detents into the groove I ground into the rod.
DSC00822.JPG

Then I played with her some. Did some mowing with the Bush Hog S4242 rotary mower. It does a pretty decent job mowing.
DSC00825.JPG

I did some "real" bush hogging in the calf field too, and even "thought" I was going to have you guys some video action....but Teresa isn't handy with the new video camera, so when I got into the house to upload....just 2 seconds of vid! Oh well, maybe tomorrow or next evening, I'll get some video of it mowing the field.

#2 IamSherwood OFFLINE  

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Posted May 08, 2012 - 08:09 PM

Good to see you had some GT time for a change. Have you got any pics of the whole machine.
Niffty piece of fab work you did there.

#3 olcowhand ONLINE  

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Posted May 08, 2012 - 08:51 PM

Good to see you had some GT time for a change. Have you got any pics of the whole machine.
Niffty piece of fab work you did there.


It's the same JB that I just put the newly painted rims on. This one has the TJD Wisconsin engine stuffed into it.

DSC00824.JPG

#4 DH1 ONLINE  

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Posted May 08, 2012 - 08:57 PM

that looks pretty good Dan, :thumbs: someday I'd like to get me something like that.

#5 olcowhand ONLINE  

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Posted May 08, 2012 - 09:01 PM

And yes, it's been soul renewing to get some GT time lately! All work & no play..........no fun!

#6 olcowhand ONLINE  

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Posted May 08, 2012 - 09:07 PM

By thr way, the S4242 rotary didn't come factory with the front side wheels. But they ARE original Bush Hog wheels, just like the one on the back caster wheel. I guess the owner wanted it to float, so he bought additional wheels & added them on. I doubt the factory added them for him, as the holes were roughly torched through, but doesn't show, so no matter. Really though, I don't see how they expected the mower to work without front wheels, being it has chains instead of rigid arms going up the the 3rd arm attachment point. The chains are OE. With chains, the rear wheel can't the height of the front of the mower if just dropped all the way down.
BH4.jpg

#7 Texas Deere and Horse OFFLINE  

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Posted May 08, 2012 - 09:10 PM

Glad to see you out on one of your Gt's. You deserve some play time more than most do. The JBI looks great.

#8 MH81 ONLINE  

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Posted May 08, 2012 - 09:14 PM

Daniel, nice rework! That switch looks like an old fashioned starter button kinda... Except it would have to be backwards in it's operation. If you could find a starter button that was "normally closed" then you could make your own, almost OEM pieces.

Something like this would work, I think.
http://www.altex.com...27-P146510.aspx

#9 olcowhand ONLINE  

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Posted May 08, 2012 - 09:18 PM

I could add a plate off to the side to add a micro switch, the type with a roller on the trip arm. Just have to find one that connects a circuit when the little wheel drops into the groove. Then it would only start in neutral.

#10 MH81 ONLINE  

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Posted May 08, 2012 - 09:22 PM

You replied before I got my edit in.

Look this one over.
http://www.altex.com...27-P146510.aspx

#11 olcowhand ONLINE  

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Posted May 08, 2012 - 09:27 PM

This is what I would need to use. It would work perfect to fall into the groove. But most make connection when the wheel is pressed toward the switch body. I'd need the opposite. Oh, wait a second....with the 3 spades, I think it can be used either way, push off, or push on!
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#12 MH81 ONLINE  

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Posted May 08, 2012 - 09:42 PM

Daniel, that micro switch wouldn't have the current rating but that big momentary push button should handle the current OK and it would be the detent also.

#13 sacsr OFFLINE  

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Posted May 08, 2012 - 09:59 PM

Those rims and tires are looking good!

#14 olcowhand ONLINE  

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Posted May 08, 2012 - 10:03 PM

Daniel, that micro switch wouldn't have the current rating but that big momentary push button should handle the current OK and it would be the detent also.


It won't have enough spring to make a detent. The spring I had to use is a thick strong spring....nothing like the smallish springs in those type momentary switches. That pic I posted is of a 5 amp switch. They make them up to at least 16 amps just like it. They would just power the starter solenoid.

#15 olcowhand ONLINE  

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Posted May 10, 2012 - 04:25 PM


  • Chuck_050382, broken2, Texas Deere and Horse and 6 others have said thanks




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