The answer to 'how to clean pressure washer' is to regularly maintain and clean your pressure washer to keep it functioning properly. This includes cleaning the pump, hose, and nozzle, as well as checking for any damage or wear and tear.
Start by disconnecting the pressure washer from the power source and water supply. Then, use a soft-bristle brush and warm, soapy water to scrub the pump, hose, and nozzle, removing any built-up dirt or debris. Rinse the components thoroughly with clean water. You can also use a pressure washer cleaning solution designed for your specific model. Additionally, check the pump oil level and change it if necessary according to the manufacturer's instructions.