The hot-water high-pressure cleaner is designed for efficient cleaning, offering significant water savings and powerful performance in removing stubborn oil stains and other tough residues. To ensure optimal operation and longevity of the equipment, proper maintenance is essential.
First, always use clean water to avoid clogging or damaging internal components. Avoid using water with sand or impurities. Second, before each use, inspect the system for rust or debris inside the pipes and nozzles, and clean them if necessary. Third, choose high-quality diesel fuel—preferably 10# or better—and make sure the fuel tank remains free from water and contaminants.
Fourth, always allow the machine to cool down completely before turning off the hot water supply. Then, shut off the cold water. Fifth, never operate the unit in temperatures below 0°C, as residual water can freeze and cause damage. Sixth, the power supply must be 380V, 50Hz, and the yellow/green wire must be properly grounded for safety.
Seventh, check the water pump’s oil level regularly. The oil should not fall below the red mark on the oil window. Eighth, replace the pump oil after 50 hours of initial use, and change it again after 1,000 operating hours. Ninth, keep the diesel fuel filter clean or replace it as needed to maintain smooth fuel flow.
Tenth, clean the fuel tank periodically by draining any remaining diesel, rinsing the tank with clean fuel, and then resealing it. Eleventh, due to high pressure, nozzles will wear over time. Replace them when necessary, and consider reducing pressure slightly to extend their lifespan and that of the high-pressure hoses. Twelfth, regularly flush out scale buildup in the inlet pipe to prevent blockages.
By following these twelve key maintenance steps, users can significantly increase the durability and performance of their hot-water pressure washer. Regular care not only improves efficiency but also ensures safe and reliable operation over time.
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