As a high-pressure cleaning equipment, the high-pressure cleaning machine has been widely used in the fields of oil stain removal and cleaning of industrial parts such as mechanical processing plants and workshop equipment, heavy oil stain and oil stain cleaning attached to oil pipelines, drilling platforms and equipment, roughening of concrete walls and cement floors, municipal pipelines, industrial pipelines and plane cleaning, etc., with flexible driving mode, Environmental protection and high efficiency, greatly improve the cleaning efficiency.
In fact, 90% of the faults are not caused by the pump, but by the wear of components or parts. The lack of water inflow in the pump is the primary cause of the early failure of the pump, because the lack of water inflow will cause cavitation phenomenon, causing high-pressure damage caused by small explosion of mixed and water gas, causing piston wear. The principle of the main components of the high-pressure cleaning machine and the preliminary solutions are summarized as follows:
Principle of main parts in high pressure cleaning machine
1. Seal when the seal exceeds the wear limit and the pressure drops, the relevant seal should be replaced to make the fit between the seal and the piston more appropriate.
2. The fault of crankcase is usually caused by the aging and deterioration of oil seal caused by temperature and leakage of goods, so the lubricating oil of crankcase should be replaced in time.
3. The function of the filter element can prevent the valve and piston from being damaged by dust debris, so if you use a suitable filter cloth, check the filter element regularly.
4. Pressure gauge pressure gauge provides an important warning function for the cleaning machine, which can monitor the pressure reduction caused by nozzle wear and seal failure, resulting in expensive maintenance costs in the later stage.
5. Pressure relief valve the pressure relief valve is the main safety part of the cleaning machine. It can ensure the free use of the spray gun and the water flow through the system. The pressure relief valve will make the water flow back to the water tank or water inlet when the spray gun is not completely released, so as to prevent the pressure from rising.
6. The safety valve releases the water when the pressure exceeds the set warning pressure. It can be inhaled under high pressure or under low pressure, so as not to cause damage to the pump.
7. The nozzle affects the pressure and efficiency of the cleaning machine, so the proper nozzle should be used.
8. The hose should have a burst pressure 4 times of the working pressure.
When the high-pressure cleaning machine fails, the following checks should be made
1 power supply. When the motor does not work, first check whether the power supply has poor contact and whether the cleaning switch is damp or damaged. Whether the pressure in the water gun is not released.
2. When the water gun does not come out of the water and there is no pressure in the water outlet, check whether the water source pressure is enough, whether the water inlet filter is blocked, whether the rubber or O-ring of the water inlet pipe is broken, whether there is air in the booster pump, whether the nozzle is blocked, and whether the heating spiral pipe is blocked.
3. When the outlet pressure is unstable and the pressure decreases, check whether the outlet valve and inlet valve in the pump cover are blocked, and check whether the high-pressure nozzle is matched and worn. Check whether the relief valve is damaged.
4. The high-pressure water pump leaks oil. It is necessary to check whether the oil seal in the pump is damaged. When the high-pressure pump is running, the crankshaft and connecting rod are constantly moving back and forth, so the high-pressure water pump cannot be short of oil.
5. The abnormal sound of the high-pressure washer after starting is generally due to the air inhaled in the water pump, or the flow valve spring or the crankcase bearing is damaged. In this case, we must first contact the manufacturer and ask the after-sales maintenance department of the manufacturer to solve the problem.
High pressure cleaning machine is widely used, in case of failure, it is necessary to check in time, which is conducive to the subsequent normal use.
