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Bush Hog JBI Diesel Repower (Hogzilla)


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#631 KennyP ONLINE  

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Posted December 19, 2015 - 01:02 PM

That cylinder should do the job. May lift a little faster with that big rod!



#632 olcowhand OFFLINE  

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Posted December 19, 2015 - 01:06 PM

That cylinder should do the job. May lift a little faster with that big rod!

Actually the piston in the original is 1 1/4", so I'll lose a little power, but speed will increase.  My lift pump's pressure control valve needs shimming as it's low on pressure, especially when the oil is good & hot, so that will get adjusted by a gauge to be sure not to get the pressure too high.


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#633 milkman44 OFFLINE  

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Posted December 24, 2015 - 07:30 PM

Just finished reading all 632 posts, WOW what a trip!!! That was sure a lot of work, what a super job. Looking forward to meeting the animal.


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#634 skyrydr2 ONLINE  

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Posted December 25, 2015 - 05:41 AM

Dan, you have a pile of issues against you there, rod diameter sucking up tons of voume, and then the stroke difference will also hinder power with a mechanical dis advantage if you mess with the geometry. Personally, I would change the rod in the original cylinder,or the entire cylinder assembly to a larger diameter.
Does it pull to lift ? You would never bend a rod doing that, as long as there is float built in somewhere?

Edited by skyrydr2, December 26, 2015 - 07:23 AM.


#635 olcowhand OFFLINE  

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Posted January 06, 2016 - 06:14 PM

Yesterday I did get just a little work done on Hogzilla.  I brought the dash tower and grill section down to the shop.  Got the welded up spots filled with bondo.  Need to sandblast the running boards soon.  Maybe in the next week or so I'll get these parts primered, sanded and ready for paint.  These parts and the rear wheel cast weights are the last to be painted red.

 

P_20160105_1226031.jpg P_20160105_1226161.jpg


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#636 KennyP ONLINE  

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Posted January 06, 2016 - 06:26 PM

It'll be good to see this back together. Lookin' good.


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#637 Texas Deere and Horse OFFLINE  

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Posted January 06, 2016 - 07:53 PM

Glad to see you getting some time on a fun project. Hopefully we both can get back into the "working on toys" mood again.
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#638 skyrydr2 ONLINE  

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Posted January 07, 2016 - 04:19 AM

Your plowday is fast approaching Dan, and ol' Hogzilla won't be to happy if he's all tore apart!
You have good medicine there! Income in the background and your hobby up front! One gets frustrating you jump to something totally different, ;-)
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#639 olcowhand OFFLINE  

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Posted January 10, 2016 - 01:35 PM

On my 3 point lift cylinder swap....Being the rod shaft on the cylinder I installed is almost as large as the piston, I figure I'll have problems with lift power.  So I found some 1/2" chrome shafting on ebay that I can rebuild my original Bush Hog cylinder with.  My OE rod is pitted to where it quickly eats up the simple o-ring shaft seal.  I ordered 3 of the 1/2 x 12" shafts for just $23.20 to my door, so if I screw one up putting on threads, I'll have spares.  If I do each one right, then I'll have enough to redo all 3 of my JB tractors.  They all have pitted cylinder shafts, but this one was the worst.  Been looking for replacement rod material for a while, but finally found affordable chrome plated rod.


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#640 skyrydr2 ONLINE  

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Posted January 10, 2016 - 05:25 PM

When in doubt Dan, send them to me, we can easily work a deal;-) I need new decals for my LGT LOL.
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#641 olcowhand OFFLINE  

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Posted January 11, 2016 - 05:21 PM

I finished sand blasting the last of the parts to get painted red.  With a little luck, I'll get all those pieces under primer tomorrow.  I left my shop heater on it's lowest setting to keep things a little bit warm overnight.

  I also got the body filler sanded down on the dash tower this afternoon.  I started using a rubber hand block to sand it, and QUICKLY found out my right hand wanted no part of it.  I switched to my air jitterbug sander & got it done painlessly.


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Posted January 12, 2016 - 05:23 PM

After tending Mom & Dad's air leaky door issue, I did forget an unground weld, and managed to get the weld ground down on Hogzilla's grill just a few minutes ago, let it cure hanging off the heater, then got it sanded down.  So again, barring the unexpected, I "may" get these "to be red" parts under primer tomorrow. 


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#643 KennyP ONLINE  

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Posted January 12, 2016 - 06:23 PM

Keep practicing, Daniel! You'll get back into the swing before long!



#644 KennyP ONLINE  

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Posted January 12, 2016 - 06:23 PM

Keep practicing, Daniel! You'll get back into the swing before long!

 

AHA! A double post! Wonder how that happened? :bigrofl:


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Posted January 13, 2016 - 12:30 PM

Primer success!!!!!!!

 

P_20160113_1101461.jpg P_20160113_1150401.jpg

 

Hope to paint red within a week....these parts and the cast rear wheel weights.


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