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Power Steering On Garden Tractor


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18 replies to this topic

#1 8tyman8 OFFLINE  

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Posted July 26, 2012 - 08:51 PM

power steering build on bolens h14 i was at the scrap yard and i got idea ... i want to put take a steering on my tractor
I got a valve and a old cylinder put a 3 pt ball end on made mount for cylinder and new linkages made a valve mount to mount in place of the old steering column made modified eaton steering column. made up some lines and ran it to get air out
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VIDEOS
1ST mock-up Test vid

2nd test 1 also shows lines

3rd test 2 with resistance of a 150-200 pound snow blower

feel free to ask any questions
cheers
Tyler

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Edited by 8tyman8, July 26, 2012 - 09:26 PM.

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#2 middleageddeere OFFLINE  

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Posted July 27, 2012 - 01:28 AM

Nice! A lot of times on projects like this, I wish I had a better understanding of hydraulics so I would be more apt to tackle these projects. I wish I had a better scrap yard around too! I always have to buy my stuff new around here.

#3 KC9KAS OFFLINE  

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Posted July 27, 2012 - 04:14 AM

You have done a fine job on the power sterring for your GT.

#4 JDBrian OFFLINE  

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Posted July 27, 2012 - 04:58 AM

Very nice build. Seems to work great! Thanks for sharing this.

#5 twostep OFFLINE  

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Posted July 27, 2012 - 08:05 AM

In the off-roading community we call this "full hydro" or hydrostatic steering, as opposed to "hydro assist" where there is still a mechanical linkage in place but the hydraulic power is doing most of the work. A lot of people pull the valves off of fork trucks. A lot of people that don't know how to set them up properly will also allow the cylinder to steer further than the axles capabilities and then the cylinder ends up breaking a knuckle off of axle housing... the cylinders limits should be right at or slightly under the axles limits (steering stops).

This would be a great upgrade for anyone wanting to run a FEL!

Did you use a steering valve with check balls so you can still steer without the pump running?

Edited by twostep, July 27, 2012 - 08:05 AM.


#6 tinner OFFLINE  

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Posted July 27, 2012 - 09:58 AM

Good job, one of these days I might tackle a project like that.

#7 8tyman8 OFFLINE  

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Posted July 27, 2012 - 04:41 PM

In the off-roading community we call this "full hydro" or hydrostatic steering, as opposed to "hydro assist" where there is still a mechanical linkage in place but the hydraulic power is doing most of the work. A lot of people pull the valves off of fork trucks. A lot of people that don't know how to set them up properly will also allow the cylinder to steer further than the axles capabilities and then the cylinder ends up breaking a knuckle off of axle housing... the cylinders limits should be right at or slightly under the axles limits (steering stops).

This would be a great upgrade for anyone wanting to run a FEL!

Did you use a steering valve with check balls so you can still steer without the pump running?

yes is will steer with-out the engine running its harder tho

#8 8tyman8 OFFLINE  

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Posted July 27, 2012 - 04:50 PM

Nice! A lot of times on projects like this, I wish I had a better understanding of hydraulics so I would be more apt to tackle these projects. I wish I had a better scrap yard around too! I always have to buy my stuff new around here.

the hydraulics were quite simple for this build the next one i do i will get a valve with power beyond ( its a by pass port to allow the steering to have top priority over any thing else in the circuit ) but for a $450 valve i would pass and buy a used valve for $25 and plumed it After the lift valve if you lift the blower or mower well steering you can feel a kick to nudge on the wheel also there is a lot of hydraulic knowledge on the internet and forms
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#9 twostep OFFLINE  

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Posted July 27, 2012 - 09:49 PM

I wasn't able to see the vid's earlier. Look like you already knew that bit about the steering stops. Looks great, I might have to do the same sooner than later.

#10 MH81 ONLINE  

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Posted July 28, 2012 - 07:15 AM

Great looking modification and well documented too. Thanks for the info and the offer to help anyone who wants to do something similar.

#11 olcowhand ONLINE  

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Posted July 28, 2012 - 10:58 AM

Great job on the power steering! :thumbs: Just wondering how many turns of the steering wheel, lock to lock? All 3 of my conversions are right at 2 1/2 turns.

#12 8tyman8 OFFLINE  

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Posted July 28, 2012 - 01:08 PM

Great job on the power steering! :thumbs: Just wondering how many turns of the steering wheel, lock to lock? All 3 of my conversions are right at 2 1/2 turns.

its about 2 1/2 from left to right and 2 3/4 from right to left (difference in the rod displacement ) it works great and runs of my eaton charge pump no problem no complaints i would HIGHLY recommend this up grade also it was under $200 to convert it over

#13 Wheel Horse Kid OFFLINE  

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Posted July 28, 2012 - 04:15 PM

Great work on the power steering!

#14 Guest_rat88_*

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Posted July 28, 2012 - 06:23 PM

Looks like a nice retro. I am far from a Hydraulic Guru, my LGT195 has the valve in line with the steering linkage. It steers easy but has a lot of slop, some buy design, some by being 30 years old. Never really understood power steering on a GT till I bought one that had it. Now I would not buy a big GT without it.

#15 Ryan313 OFFLINE  

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Posted July 28, 2012 - 08:12 PM

Great conversion! A valve for only 25 bucks is a great deal! Even if it is used! IMO.




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