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Message: <blockquote data-quote="Tuned" data-source="post: 80483" data-attributes="member: 11207">Things are looking up! The pump shaft felt sold and turned freely but not too freely. So I filled it up with new fluid, made a jig and spun it with a large drill. I gave it a couple hundred turns and it didn't leak a drop.My machine work got done way sooner that expected as well. I was getting frustrated as all the Yank machinists were in woods deer hunting. So on a whim, I called a shop on the Canadian side (I live right on the border). The guy said "bring it over, eh". I dropped the parts off at eight in the morning and he called at noon to say it was done. Awesome! He did a nice job too.<img src="http://i712.photobucket.com/albums/ww128/tunedude10/Newcoupling.jpg" alt=" photo Newcoupling.jpg" class="fr-fic fr-dii fr-draggable " style="width: 580px; height: 580px" />The only hurdle of any consequence I have left is to get the small gear (new) back on that pump shaft. I test fit it and it is really tight. Does anyone know any tricks on how to do this? Can I just heat it with a torch without hurting the temper? Then gently hammer it on while hot? Or should I consider a little emery on the shaft and or file on the key and keyway?</blockquote>