One is to loosely mount the pump, making it so the pump can not spin, and use a direct mount carefully centering the shaft so there is minimal runnout. The shaft actually supports the pump.
Or rigid mount the pump with a very heavy duty non flexing mount and use a single jaw type coupling. This type needs to be carefully aligned and mounted so there is no load flexing. The jaw type coupling requires very limited misalignment.
Or rigid mount the pump and use double U joints. This is the best if you have room for it. Get the alignment close, doesn't need to be perfect. It will need a slip joint of some type so not to end load the pump.
Not sure where to get the drive, maybe a hydraulic shop.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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