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Sometimes the combination of blower pulley and belt length conspire to require moving the upper idler pulley during blower pulley changes. Such was the case during our test, but it’s no big deal. The idler pulley, seen here in the foreground with a blue, 6mm Allen retention bolt, is unbolted from its mounting plate, moved to the next of three available tapped holes, and reattached. The spring-loaded belt tensioner does the rest.