High pressure cleaner - pump head maintenance and maintenance

　　High-pressure cleaners, water blasting and derusting cleaning machines, and paint and derusting equipment need timely maintenance during use.

　　The following describes the maintenance of pump head:

　　A. Always check whether discharge valve cover is loose, if it is loose, it will damage the inlet and outlet valve groups.

　　B. Frequently check the connecting bolts betweenpump head and overflow valve and throttle valve (joint) to prevent leakage of high-pressure liquid.

　　C. Clean the filter of suction pipe frequently, and ensure the smooth flow of liquid.

　　D. The inlet and outlet valve groups should be checked regularly, and if parts are found to be worn, they should be replaced in time.

　　E. The connecting bolts between pump head and body must be tightened to ensure a tight connection betweenpump head and body.