2.Remove the large rubber drive tracks by pushing them away from the unit while turning the top wheel tube away from you.
3.Remove the stainless-steel retaining rings on the outer ends of the wheel tubes if they are installed on your unit.4.Locate the four screws on the drive motor side which hold the side plate in place. Remove these four screws from the inside of the unit. IMPORTANT: Before removing these screws, take note of the location of the drive belts, sleeve rollers, and drive pulley for re-assembly.
5.Remove the old belts and replace with the new belts. Also, replace the old sleeve rollers with the new stepped sleeve rollers (part #3506) as shown below. These new belts are slightly longer than the old belts, so the thicker sleeve rollers are needed in order for them to work properly.6.Reverse steps 4 through 1 to complete the installation.
7.Congratulations! You have successfully installed your new drive belts!