It finally feels like some crane progress! Of course, getting there meant digging out the scaffold again. And of course it wouldn't fit under the crane with the rollers in place!
The first steps were to mount the cross braces between the beams that make the bridge. Which wasn't a big deal, until mounting the ones that are X'd out. Those are A LOT heavier, and the shoulders are still hurting, so the lift was not fun. Holding them overhead while sneaking bolts and nuts into place, 0 out of 5 stars. Not recommended!
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Once all the cross braces were mounted on one side, the second beam could be slid up to the braces, and bolted up. That was a little easier although it took a couple of tries to get the two beams aligned. At this point it really started to look like a bridge crane!
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Last step, was pretty sketchy. Had to jack up the each end of the bridge, and roll the trucks underneath then bolt them up. That was accomplished one end at a time with a floor jack, 10 foot 2x6 with a cross piece, and my wife's assistance. Once the bolts were in place on the trucks, it was a matter of snugging up all the bolts, which pulled the bridge back into square. Surprisingly few problems.
You can just see the truck on the far end. Now that it's on the trucks, I'm surprised how easily they allow the bridge to roll. Had to block it in place until the driveshaft and clocking chains are in place.
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Next steps are to paint the driveshaft, driveshaft bearing supports, and chain fall carriage, and the driveshaft handwheel carriage.
Really happy with white paint on this. It's bright enough to not loose any light when the crane is under the lamps. Also, the crane clears the ceiling with the expected 1-1/2" of clearance. This 3D cad stuff really works!