Check with seller What to do if the high-pressure pump does not produce water

Published date: June 30, 2020
Views: 5


1. Check whether the oil level of the reducer, the oil level of the high-pressure pump and the water level of the emulsion tank are at the specified oil level and water level.
2. Check whether the safety valve, pressure gauge, electric contact pressure gauge, water level gauge, and liquid level indicator are sensitive and correct; the pressure gauge and safety valve are calibrated once a year, and the safety valve is regularly tested for exhaust to prevent the spool from sticking and The valve hole is blocked.
3. Check all parts of the pump, valves, solenoid valves, pipelines, etc. are good, there must be no water leakage, air leakage, oil leakage, check whether the electrical zero (ground) wire is firm and reliable, and measure the main motor when stopping the pump for more than one week Whether the insulation is good; check whether the contact signal with the hydraulic press is correct and reliable. Reminder from Shanghai Sunshine Pump Industry Expert. 
4. Pumping sequence:
(1) Check whether the valves, suction valves and circulation gate valves on the water pump, water storage (gas) tank and pipeline to be started are all in the open position, open the pump head air release valve of the high pressure pump and the cooling water valve of the lubricating oil pump;
(2) Start the lubricating oil pump and run it for 1 to 2 minutes, the oil pressure is 0.15 to 0.2 MPa. After the lubricating oil indicator shows normal, start the main motor of the high-pressure pump;
(3) After the pump head is exhausted, close the exhaust valve immediately;
(4) After the high-pressure pump is operating normally, close the power supply of the solenoid valve of the circulation valve and plug in the power plug. After the water level rises above level 4, close the solenoid switch of the lowest level valve. When the water level rises to level 7 (according to The design of the pump room can also send out a "workable" signal in advance) to send a "workable" signal to the hydraulic press, and the hydraulic press starts to work.
5. When opening and closing the valve, stand on the side of the valve stem and rotate slowly.
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