Now it is time to tackle the PTO.

After some false starts I settled on this as the foundation



if you notice there are two pulleys that are clutched.

I thought that it would be nice and handy to have a separate mechanical pto and a hydraulic pto that can be used together or separately.

Now to make it work:

the first step was to cut 2 keyways at 180 degrees to each other so the so drive gear is anchored sorry for the poor picture but this is the setup



this is the result


next step was to mount the shives here I made up a fixture to line them up



here is the fixture lined up ready to weld - I cut one of the alignment pieces too much so I used shim stock to make up the differance



here is the completed assembly


Now to mount the assembly I had to extend the front by 12 inches





the lower shive is not lined up yet.



now to put a quick connect and disconnect on the front of the lower shaft

again I used the mill and rotary table and used 6 keys in hindsite maybe I should have cut the splines onto the shaft but I didn't



and the final result which worked out very well

That is very nicely done.

Chris

Where's the rest???

Where's the rest???

Where's the rest???

ok it has been a while since I have updated this blog and in a minute you will see why! If you look up a bit you will notice that the PTO is connected to the engine with a loveloy connector.
I feel like a real dunce because after I starTted up the engine and tried to engage the pto you guessed it. Then it occured to me that when I used it on the tractor I automatically depressed in the clutch dumb dumb.

so back to the drawing board I bought an electric clutch on ebay and now to adapt it. First stop my local steel supplier for a buck a pound I bought this in saw


I have to admit that I wasn't sure how this was going to turn out

but I felt a lot better after a few minutes on the lathe




And the result was really nice

now to deal with the PTO linkage. I decided that I would use the original yokes from the donor tractor and use a sliding affair. Originally I was going to tie the cable into ears that I cut out of the sliders. But I eventually felt that that would put too much of a bind so I changed it to pull directly on the round rod.

here is the basic concept



and here it is installed



off of this bracket I hung an idler pulley that I made


here is the arm that the idler rides on



and here is the bracket installed



here is a picture of the cable installed


here is the only copy of the controls I have - I will take some more as I am now making a set for the lift

nice machining, I am a little confused on if you keep the love-joy or did you replace it with the clutch.

tom

the lovejoy is history, with the lovejoy there was no way to engage or disengage the PTO other than shutting the engine off

next piece are the lift arms. Originally I was going to make them out of 1/2 x 2 and have them them hang down. Then I found these massive 2x4 beams for $1 a pound I bought them without being sure where they would end up


here is the original concept for the lift


these would not have been good to bulldoze dirt with

with the new concept the first thing was to shape the arms.



as you can see the cnc mill makes that very easy

now insert the solid bushings


here all welded if you notice I also enclosed the end so no dirt etc can get in



the hangers for the hydraulic cylinders

and the pivot end




here is an arm almost completed


now the upper mount I am sorry I don't have a great picture of it

Keyes, nice work.
One point on your lift arms, drill a weep hole in the lowest point, unless you did water/pressure tight welds you will build moisture inside the arms over time.
I have seen big heavy wall tubing expanded by the built up water freezing in the winter.
Dan.

Lu47Dan

I haven't done that but I will thanks for the suggestion

keyes

is there going to be a "float" option.. for the different atachments

Mdlawnguy

At this time my control valve doesn't support float. Is there some way to retrofit the control valve?

Thinking about your PTO, Tractor PTO's turn Clock wise when facing it. Looks like your's turns CCW

Glyford, thanks for the link, I clicked the "drawing" button and it became clear as to how it works and how it's plumbed into the system. Now, if the retreival system in my head will work I've got another "solution" filed away.

MarkY, how did you determine the direction keyes, pto turns?