How do you tighten drive belt on john deere LA145?

To tighten the drive belt on a JOHN DEERe LA145, first, ensure the mower is turned off and on a level surface. Remove the mower deck by detaching the pins and lift the deck off. Locate the belt tensioner and adjust it according to the manufacturer’s specifications, usually by loosening the tensioner bolt, repositioning the belt, and then re-tightening the bolt. Finally, reattach the mower deck and check the belt tension to ensure proper operation.