How do you replace a drive belt on lx178?

To replace the drive belt on a JOHN DEERe LX178, first, ensure the mower is turned off and disconnect the battery for safety. Remove the mower deck by loosening the necessary bolts and detaching the drive belt from the pulleys. Install the new drive belt by threading it around the pulleys in the correct routing, ensuring it is properly seated. Finally, reattach the mower deck and reconnect the battery, checking that everything operates smoothly before use.