Remove the belt cover with a socket wrench. Slide the belt cover off and set it aside.
Remove the two belt cover stud bolts with a socket wrench to get to the auger belt guide.
Remove the belt guide with a socket wrench.
Push down on the belt tensioner pulley with your hand. Remove the old belt and set it aside.
Install the new belt and release the belt tensioner pulley to tighten the belt.
Re-install the belt guide with a socket wrench and tighten the bolt.
Re-install the two belt cover stud bolts and tighten with a socket wrench.
Re-install the belt cover and secure it with the cover bolts. Tighten the bolts with a socket wrench.