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Message: <blockquote data-quote="6brnorma" data-source="post: 85515" data-attributes="member: 5914"><p>This is where you really need the manual. There was an alignment tool to make sure the shaft's were aligned correctly…..shims or grinding on the block under the bracket is sometimes required, when alignment is correct remove the pump, place both coupler halves on loosely, install, gap .025 each of the halves from each other (all the way around while not moving the shaft)……remove, tighten set screws to 9lb torque, install with rubber, check gap again. If you are off on any of this it will shorten the life of rubber (or even all of the coupler) from hours to weeks, depending.</p></blockquote><p></p>