To install the deck wash kit, first choose a flat surface of your lawn mower/ lawn tractor, then use a driller to drill a hole on it. Sit the steel nozzle firmly in the hole, place the stainless-steel blade on the back of the nozzle and the screw on the nut. Finally, connect the connector with the water hose and now you are ready to start cleaning the deck. Work gloves are recommended to avoid hand injury. Resort to a professional if you are unsure of how to install