High pressure airless spray pump operating procedures: 1, mechanical operators and staff with work, we must wear protective clothing as required, long hair shall not be exposed. Work at heights must wear seat belts, hard-wearing shoes and slippers. Do not throw objects from a height. 2, spraying ignition point below 21 ℃ flammable coatings (such as nitrocellulose, etc.), spray pump and spray objects should be grounded (then zero). Spray pumps must not be placed in the same room as the spray job. 3, spray gun dedicated high-pressure hose, shall not be any substitute, hose fittings should be made of conductive material with the specified strength, the maximum resistance does not exceed 1M. 4, before operation, should check the motor, electrical, body should be grounded (then zero) is good, check the suction hose, loop hose fittings and pressure gauges, high pressure hose and spray gun should be connected firmly. 5, should be no-load operation, and then use water or solvent operation check to confirm the normal operation, before work. 6, operation, the gun mouth shall not be against themselves and others, shall not touch the spray of paint, spray injury should be immediately sent to the hospital for treatment. 7, the minimum bending radius of the high-pressure hose in the spraying process shall not be less than 250mm. 8, intermittent work to stop spraying, you should cut off the power, turn off the gun safety lock, remove the pressure, and the gun on the solvent bucket. 9, when the nozzle is clogged, it should be pressure relief, close the safety lock, and then remove the nozzle for cleaning. Exclusion nozzle blockage, the use of bamboo and other objects, shall not be used as hard wire and other items through needle. 10, cleaning the gun, the paint may not be (especially in the ignition point below 21 ℃) sprayed back into a closed container. ??????? More valve knowledge, please see: fluid encyclopedia?