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Bolens HT power assisted steering install


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#1 stiemmy OFFLINE  

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Posted November 13, 2016 - 05:18 PM

Disclaimer, I take no responsibility if someone follows my install, and has issues with theirs.

First I spent about 2 hours trying to figure out the orientation of the lines to the steering cylinder. Once something made sense, I rolled with it. As you can clearly see, they are inside the frame. Take care to look for any moving parts, or areas that could damage the lines. I dont know if this was the correct way to install the lines in this instance? Bolens seemed to have made them both ways with lines run inside the frame, and outside the frame, but this way worked for me.

Second, was finding out what line was pressurized, I unscrewed the right line at the pump first, then cranked the engine without starting it, and shure nuff Bingo, she squirted oil, so thats my port to run to the steering first. Listed in order of proper connection, pressurized port to steering, steering to spool valve, spool back to hydro.

Once that was somewhat handled, it was a matter of unbolting parts, and replacing them on the linkage.

After that was completed, it was time to make the final line connections by the pump. I was missing the double ended flaired fitting to connect the loop together. So, off to Napa. Napa didn't have exactly what I needed, so I had to make a couple of fittings work. The thread size is 9/16" 18 pitch hydro threads. Obviously some tweeking of the lines was in order to get a final fit, but it works. Please note the picture where the steering return line is looped to the spool feed line. These 2 lines have to be either inside the frame, or just above the frame!!! This is crucial as there is not alot of clearance here once the rear pan is installed! Several test fits of the rear pan maybe needed. This is also a good time to spin the driveshaft by hand to be sure the fan is clear of obstruction.

Once it was together before I even got to start it up to check 4 leaks wouldn't ya know drip drip drip. SOB!!!! Had it all together, and here one of the lines was worn, and cracked from the previous machine. Ok, went to Napa, and they were no help AT ALL. So, I thought what the hell, it's thick tubing, Ima try welding the SOB, and filing the welds down by hand. Unbelievable, it actually worked!!!! Put the line back in, and BAM, DONE!

You're milage may vari

Here's the pics/video folks, enjoy;)

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Edited by stiemmy, November 14, 2016 - 08:46 AM.

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#2 blackjackjakexxix ONLINE  

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Posted November 13, 2016 - 06:01 PM

Thanks for the pics,power steering sure makes it nice
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#3 stiemmy OFFLINE  

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Posted November 13, 2016 - 06:20 PM

Thanks for the pics,power steering sure makes it nice


You are welcome!!!

Hope this thread is some help to folks that have never done it before?

It should help steering once I get my loader on???;)
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#4 Austen ONLINE  

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Posted November 13, 2016 - 06:37 PM

Good stuff!!! That's really nice! Thanks for taking the time to post the photos and video too! The PS unit was quite the find. :thumbs: Yup, all ya need now is a loader. 

 

The ol' Kohler sounds pretty good too!


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#5 stiemmy OFFLINE  

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Posted November 13, 2016 - 07:17 PM

Good stuff!!! That's really nice! Thanks for taking the time to post the photos and video too! The PS unit was quite the find. :thumbs: Yup, all ya need now is a loader.

The ol' Kohler sounds pretty good too!

You are welcome!!!

Actually, I have a loader on my 1455 that I want to put on this one. Figured if Im gonna put PS on this one, may as well do it BEFORE I put the Johnson loader on?!?!

That twin really does sound good! As mentioned earlier in my HT20 thread, I truly believe this engine is used, but not to the point of pukin it guts all over the driveway. It still has the serial number sticker, most K-twins do not. Not to say she wouldnt giveup tomorrow tho. Hmmm, knock on wood Lol

Ain't gonna dance around the truth tho, it was a true PITA to get that those lines in there! IF I were to do it again, I think I would unbolt the dash tower, remove the cotter pin from steering shaft, and undo the pto lever pin to gain a little more access.

Edited by stiemmy, November 14, 2016 - 08:51 AM.

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#6 nevelle york OFFLINE  

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Posted June 05, 2017 - 05:52 PM

IS THIS POWERED BY THE TRANSAXEL PUMP   WOULD LIKE SOMETHING ON MY 1250


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#7 nsengineer OFFLINE  

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Posted June 05, 2017 - 07:41 PM

real nice write up and sequence of pictures.  Appriciate your time and work into sharing this


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#8 Husky OFFLINE  

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Posted June 06, 2017 - 05:22 AM

Excellent thread! Thank you.
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#9 stiemmy OFFLINE  

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Posted June 07, 2017 - 04:04 PM

IS THIS POWERED BY THE TRANSAXEL PUMP   WOULD LIKE SOMETHING ON MY 1250


Yes, indeed it is.

#10 stiemmy OFFLINE  

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Posted June 07, 2017 - 04:05 PM

real nice write up and sequence of pictures.  Appriciate your time and work into sharing this


Glad you enjoyed it;)

#11 stiemmy OFFLINE  

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Posted June 07, 2017 - 04:09 PM

Excellent thread! Thank you.


Anytime:)

#12 BOLENSBOY60 ONLINE  

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Posted December 01, 2017 - 12:26 PM

I see this is an older thread- awesome info on the install nice pics also- I wonder if someone could give me an opinion- on my power steering problem- on my ht-20 everything looked plumbed correctly- but it did not work I removed the cylinder bracket from the frame and it worked enough back and forth as I could not stop it with hand power- I took it to a hydraulic shop and had it gone over- they told me they bench tested it- put it back on same thing- so I removed my good ps unit off my ht23 same thing did not work although when I crack the lines and the valve- I have flow- seems as if maybe air- in the system or somehow not generating enough pressure- any thoughts? thank you guys






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