rattle

****Updated with Mower info*** I have a 2016 Hustler Raptor SD 54 Kohler 7000, Spec PS-KT740-3042 725cc, Serial 4601931503 mower, manufacture 03/2016 SN 934604, Hydro-Gear Model ZH-MCBB-3EMC-3PXX SN 6059D90011. When I shut the engine off, I hear a loud rattle around the engine or transmission...

Hello Everyone! I own the mower posted above; just purchased it last year. The gentleman who originally owned it mentioned one defect that it arrived with straight out of the factory. The tensioner spring for the drive belt rattles against one of the hydro pulleys at mid-low to mid-high...