1Always have a clean air filter in the engine.
The air filter must be clean in order to effectively prevent dirt, dust and other harmful debris from entering the engine. Every four hours of use, clean the filter. Every 100 hours of use or every three months of use, replace it. Pleated, paper air filters cannot be cleaned without damage so they should be replaced. Foam air filters can be cleaned with hot water and a small amount of dish detergent. When the filter is completely dry, saturate it with new engine oil before reinstalling it. NOTE: Do not use oil on a foam filter if your model also uses a paper element filter.
2Clean the fuel filter a few times per year.
Follow your pressure washer owner’s manual for specific instructions related to fuel filter cleaning. Note that the location of the fuel filter varies by model so it’s important to consult your owner’s manual. If there is debris clogging the mesh screen inside of the fuel filter, replace it before using the pressure washer again.
3Check the engine oil before each use.
Prior to each use, check the oil level of the pressure washer. Fresh oil is golden or amber-colored. As it ages, it will darken. Replace the oil if it becomes too dark – or at least every 50 hours of use or once per season.
4Clean the water inlet screen.
Periodically check the water inlet screen for dirt and debris buildup. Rinse it with water. Allow it to dry thoroughly before returning it to the pressure washer. If you find any damage to the screen, replace it before using the equipment again.
5Inspect the hose, trigger handle and hose connections
Before each use, check the hose, trigger handle and hose connections for wear or damage.
6Prepare it for extended storage.
Prior to storing the pressure washer for winter or the off-season, be sure to add fuel stabilizer to fresh fuel. This will slow damaging buildup in the carburetor. To prevent the water pump from freezing in cold regions, create a solution of 50 percent anti-freeze and 50 percent water and run it through the pump. This will keep internal parts lubricated and prevent the pump from cracking.