How to operate and maintain a mist pump?

A.     Before operation

1.     Make sure that the pump is firmly installed and the connectors are tightened properly.

2.        Before operating the motor, turn on the tap water and check whether the suction hose is connected to the pump properly. Discharge redundant air inside the pump.

3.        The volume of tap water should be at leave 10 l/min.

4.        Make sure the diameter of the suction hose is larger than 5/8 inch.

5.    Make sure the diameter of any extension cords used is larger than 2mm².

B.      Maintenance

1.        Change the oil when the pump has been used for the first 30 ~ 50 hours.

2.        Then, change the oil after every 100 ~ 200 hours.

3.        Use #30 ~ 40~ oil, add 250cc each time.

C.     Troubleshooting

1.        Unstable working pressure

·     Check whether the suction hose is leaking, clogged or afloat.

·     Drain out the redundant air by disconnecting the outlet hose.

·     Check the valve assembly to see if it is clogged or damaged.

2.        Insufficient pressure

·   Check to see if the packing, waterproof seal and valve assembly are damaged.

·     Check to see if the pressure valve and regulating spring are worn out.

3.        Leakage

·       Check the U-packing, waterproof seal and piston. Replace them if necessary.

4.        Unusual noise

·      Check the piston and oil. Replace them if necessary.

·      Check the volume of tap water.

·      Check whether the nozzle is clogged.

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