I have 2 of the PP-500 sleeve hitch plows and one PP-1200 3-point plow. 3 of my tractors have a 3-point hitch, so I decided to convert one 10" plow to fit the 3-point mast of the 12". Later on, I will build another mast. But for now, I can just take the u-bolts off and use which ever I choose.
Here's a pic of the two I painted last year.
I started by getting a measurement and angle for the plate to attach to the mast. Using the 12" beam as a guide, I found the back side of the mounting plate was 2" forward of the front coulter mount hole and at a 10° angle. I then took the 10" beam off and the adjuster apart as I plan to paint this also.
Here's the beam.
Here's the layout for the cut.
I set the band saw at 10° and made the cut.
Here I have set up to weld the plate at that cut.
And after welding.
This is the plate layout.
I was able to wire brush the parts and get a coat of Rust Reformer on there before coming in yesterday. Hope to get some White on the beam and the Galvenized on the adjuster parts today!
I found an error in the plate layout from my original plans uploaded here, so I have edited it.