Installing belt

here are the step by step instructions from the owners manual for your machine.
Disconnect cleaner from electrical outlet. WARNING: Agitator brush roll can start suddenly. Unplug cleaner before turning it over. Replacing Flat Belt Place handle in low position and turn cleaner over so bottom side is facing up. Remove the 6 screws as shown with a Phillips screwdriver. Lift off bottom plate. Replace belt if it is stretched, cut or broken. To check the flat belt. Removing Bottom Plate Removing Belt Positioning Belt Remove used belt from large pulley and discard. Reposition bottom plate and 6 Phillips head screws. Tighten screws securely. Insert agitator brush roll through belt and position belt in groove (A) on agitator brush roll. Inspecting V-Belt The V-belt is designed to last for a long time and is not normally replaced. However, if the V-belt is cracked, gouged or broken, it should be replaced. Slide flat belt off large pulley. To remove V-belt, slide back of belt over pulley (A). Then firmly pull on belt and “snap” it out. Discard used belt. To install new belt (with lettering on outside of belt), slide back of belt over pulley and pull front of belt toward groove next to pulley. Belt will “pop” into place. Flat Belt: What to Buy Use only genuine HOOVER belts with your cleaner. When purchasing a new belt, ask for Flat belt - HOOVER part No. 40201-271. V-Belt: What to Buy Use only genuine HOOVER belts with your cleaner. When purchasing a new belt, ask for V belt - HOOVER part No. 40201-200.
If you can't get the answer from this post, send me a message and I will try to walk you through this. I hope it helps.