清洗机泵头应加 30号机油 。30号机油在50℃时的运动粘度为27~33mm?/s，凝点为-10℃，闪点为180℃，适合用于高压清洗机水泵。使用其他类型的机油，如汽油机机油，可能会导致粘度不适，影响润滑效果，加速泵体磨损，缩短使用寿命。

　　The pump head of the cleaning machine should be filled with No. 30 engine oil. The kinematic viscosity of No. 30 engine oil at 50 ℃ is 27-33mm ?/s, with a pour point of -10 ℃ and a flash point of 180 ℃. It is suitable for use in high-pressure cleaning machine water pumps. Using other types of engine oil, such as gasoline engine oil, may cause viscosity discomfort, affect lubrication effectiveness, accelerate pump body wear, and shorten service life.

　　对于不同类型的清洗机（如燃汽油或燃柴油的），应选择相应的机油类型。例如，燃汽油的洗车机应加汽油机机油，而燃柴油的洗车机则应加柴油机机油。此外，油浸式高压清洗机工作500小时后需要更换密封室机油，机腔机油则每年更换一次，应使用洁净的5、10号机油；湿式泵在2000小时工作后需要更换锂基润滑脂。

　　For different types of cleaning machines (such as those that burn gasoline or diesel), the corresponding oil type should be selected. For example, gasoline powered car wash machines should be equipped with gasoline engine oil, while diesel powered car wash machines should be equipped with diesel engine oil. In addition, after 500 hours of operation, the oil immersed high-pressure cleaning machine needs to replace the sealing chamber oil, and the engine chamber oil should be replaced once a year, using clean No. 5 and No. 10 engine oil; The wet pump needs to replace the lithium based grease after 2000 hours of operation.

　　加注机油时，请确保使用适合您高压清洗机型号和的高质量机油，并按照说明书上的要求加注适量的机油，避免过多或过少。

　　When adding engine oil, please make sure to use high-quality engine oil that is suitable for your high-pressure washer model and brand, and add an appropriate amount of engine oil according to the instructions, avoiding too much or too little.

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