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Maintenance skills of plunger pump of hot water pressure washer

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Maintenance skills of plunger pump of hot water pressure washer

作者: Release Date: 2016-07-27 Author: Click:

After each use of the high-pressure pump, the residual liquid in the hoses and nozzles should be rinsed with clean water to clean the casing of the machine, and the power cords must be aligned and stored in a fixed place. If it is found that the damage or pressure is not enough, it should be marked with "to be repaired", and the repair can be used in time. The repairman is responsible for the maintenance of the high-pressure pump, checking the operation of the high-pressure pump once a day, and making a record. If it is found that the seal is damaged or aging causes air leakage and the pressure does not go up, it should be replaced in time. The electrical performance, mechanical performance, main machine and main contactor switches of the high-pressure pump motor are checked every half a month, filled with the necessary lubricating oil, to ensure the normal use of the equipment, and to make records.


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Hot water pressure washer troubleshooting method, water gun does not spray water, insufficient pressure and water gun jitter. Causes and countermeasures: Insufficient water supply due to low or no pressure in the water supply, blockage of the inlet filter, blockage of the nozzle, serious wear of the pressure regulator due to sand in the water, long-term non-use will cause scale plugging of the heating coil, and damage to the filter Impurities enter the blocking check valve, the pump body freezes and leaks; the ceramic plunger freezes; the detergent tank is empty and the switch is turned on; the pump body seal is damaged; the bypass valve is blocked, making the automatic stop heating system function ineffective, Burn out the heating coil. The heating system does not ignite or does not work well, the cause and countermeasures: check the fuel tank oil level, check whether the diesel filter is blocked, check whether the flexible connection between the diesel pump and the motor is broken, check whether the diesel pump is damaged, check whether the solenoid valve is open, Check whether the temperature control switch is damaged and whether the fuel injection nozzle is blocked. Inspect the high-voltage wire package for damage. Check whether the spark plug gap is too large and the spark is too weak. Combustion deposits are blocked by the unqualified fuel quality. Check whether the pressure switch is damaged. Check whether the inlet air volume is matched. Check whether the heating coil is damaged. Check whether the temperature detector is damaged. Serious head wear results in low outlet pressure.


Hot water high pressure washer plunger pumps are widely used in high pressure and large flow rates and where the flow needs to be adjusted. High pressure pumps are often used in high pressure conditions due to their special properties. Some are intermittent and some are continuous. However, in daily use, it should be maintained in a timely manner to make it effective. And the life of the plunger pump has a lot to do with the usual maintenance, the quantity and quality of the lubricant, and the cleanliness of the oil.


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Keywords: Chongqing ultrasonic cleaning machine

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