Press down on the black gasket on top of the window to ensure that the nozzle is snapped into place. If the nozzle is not properly attached, the machine will not have suction.
Lift the tank-in-tank handle to unlock it from the machine. Carry the tank-in-tank to the sink.
Remove the lid by lowering the handle in the opposite direction and pulling the lid off.
Pour out the dirty water by tipping the tank into the sink. The machine will not have suction if the dirty water tank is full.
Fill the tank with hot water through the spout. Fill it to the fill line.
Put the tank back onto the shampooer. Lower the handle to lock it back into place. If the tank is not attached correctly, it will lose suction.