Unplug the machine from the electrical outlet.
Turn the machine on its side to access underneath it.
Ensure the washers are fitted into the ends of the roller brushes and slide the rollers onto the brush rods.
Pull the long belt over the small roller from the back, placing it in the guards to secure it.
Attach the small belt to the back roller with the metal guide.
Set the pivot arm, or retainer, in place on the side of the rollers, screwing in the silver screw to secure it.
Attach the clear end cap, tightening it with the two black screws.
Secure the front nozzle in front of the brushes on the machine, snapping it into place.
Turn the shampooer right side up.