Crankshaft Wrench

Thu Nov 26, 2009 4:35 pm

A cub engine I bought a few years ago, seized up,in storage. I put Kroil in the cylinders, but was not able to free it, by cranking it. Without a bolster, to support the crank, you can't apply much torque. I devised a tool, attached at the flywheel end,of the crankshaft, from some scrap steel. One hole slips onto the alignment pin, and two bolts secure it, to the crankshaft.

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One tug, on the secure handle, freed the engine. The engine was securely mounted on an engine stand, during this procedure.
A flywheel was used as a template,to align the holes. I used a mall scrap of approximately 3x4x1/4 inch stock welded to a scrap of "T" shaped stock,about 2 feet long, but it could be made of one piece of flat stock, if you don't have a welder. Ed