Axial flow pump overhaul and maintenance

1, the axial flow pump after stop using, to row to the best of the pump and the water left in the pipeline, and silt cleaning outside to wash, to prevent the frozen water freezing the pump body and water pipes burst.

2, the bottom of water pump valve, bend, such as iron, should use a wire brush brush rusty spot net, after antirust paint brush first and then coated with paint, after being dry bath again in the room or the location of the storage room natural ventilation dry mania for storage.

3, with belt drive, belt to warm water after a tear open come down to clean up after wiping on the dry mania, the position of the sun, can't be stored in the oil pollution, corrosion, and the location of the smoke. No matter in what situation, don't can make the belt with engine oil, diesel or gasoline oil substances, such as can not be with rosin and sticky substance.

4, check the ball bearing, such as the set of bad, kuang, ball grinding inside and outside the bad or surface spots need to be replace. To don't replace will clear bearing can use petrol or kerosene wash, coated with butter, put on again.

5, check the water pump impeller have cracks and holes, the impeller nut is loose, if any damage should be repaired or replaced. If the impeller worn too much or has been destroyed, often should change new impeller. Local damage can adopt welding repair, still can be repaired with epoxy resin mortar impeller, after repair impeller usually static balance test should be taken. Check the impeller clearance wearing ring, such as beyond the limit, shall be repaired or replaced.

6, the pump shaft bending or worn seriously, should repair or replace, or it will cause the imbalance of the rotor and related components are worn.

7, removed the screws were soaked in wire scrub scrub clean diesel, and coated with oil or butter, reinstall the system or use plastic in place after a cloth ( Can also be immersed in diesel storage) To prevent corrosion or lost.

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