Preparation of the vertical axial-flow pump before driving

The preparation work before the vertical axial flow pump drive ( 1) Check the pump shaft and the shaft is because the transport process by twists and turns, if there is need to alignment. ( 2) Elevation of pump device is necessary in accordance with the rules of the leaflet, with satisfactory NPSH requirements and launch requirements. ( 3) The pool before the water should have trash rack, prevent debris into the water pump. The flow rate of the water through the trash rack not exceed 0. Suitable for 3 m/s. ( 4) Water pump device before check blade device view fit requirements, blade is loose, etc. ( 5) After installation, should check each coupling and bottom bolt nut is tight. In tightening the drive shaft and the nut on the pump shaft must pay attention to the thread direction. ( 6) The shaft and the pump shaft is necessary device in the same straight line, promised to error less than 0. 03mm／m。 ( 7) water piping, setting up scaffold supporting shall not use the water pump body bearing. ( 8) Water pump outlet pipe is unfavorable device gate on the road. If yes, it is necessary to completely open just before the launch. ( 9) Best when using the check valve to a balance weight, in order to balance the gravity of the door cover, make the pump work more economically. ( 10) About use butter smooth transmission device, and the bearing oil cavity repair should be unpick and wash clean, from scratch to smooth agent injection, filled with the quantity to the oil cavity 1/2 ~ 2/3 advisable, prevent work bearing temperature rise is too high. It is necessary to pay special attention to, the rubber bearing must not touch oil. ( 11) before, should be upwards of short tube in the packing note water or soap and water, used to smooth the rubber or plastic bearing, after being pump work properly, can be suspended. ( 12) should be taken before each time a dish of dynamic coupling of three or four, and pay attention to whether have weight unevenness and so on. If so, it is necessary to check the reason, trying to get rid again after work. ( 13) Should be taken before a check motor rotation direction, to make it fit the pump steering, linked to the pump again. This article from: ningbo pump manufacturer 【 J&T pump 】
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