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1, the self-priming pump according to the removal procedure in reverse order, the self-priming pump segment each member refitted.
2. Install the packing box body on the pump cover and insert the centering block (wedge block) between the packing cavity and the packing shaft sleeve of the packing body to align the pump shaft.
3, in order to install the self-priming pump coupling, shaft end adjustment nut, motor bracket and so on.
4, the assembled motor (except oil cooler is not installed, wait for the coupling center to find and then install, in order to facilitate the center's adjustment) installed complex.
5. After the self-priming pump motor is installed, check the plane and circle wobble of the motor end coupling with two dial gauges within the standard range. If the standard is not met, adjust the thrust head assembly clearance or Correct thrust head.
6. After checking the degree of sway of the plane and circumference of the motor end coupling is qualified, perform the center-finding work of the motor shaft and the pump shaft. The alignment marks of the motor coupling and the pump coupling are aligned, and the two couplings are equally divided into 8 equal parts in the circumferential direction. A dial indicator is installed on the plane and circumference of the liquid pump coupling. The disc brake device will slowly drive the rotor to read the sloshing value of the rotor and record it. If it does not meet the standards, it can be adjusted by adding or removing spacers or small-scale moving motor brackets between the wheels until it is qualified. .
7. After adjusting, use the positioning pin to position, and adjust the clearance between the impeller and the impeller chamber by adjusting the shaft end adjustment nut to the qualified range. Turn the shaft end adjustment nut so that the clearance between the shaft end adjustment nut and the motor coupling is 4mm. Bolt the motor coupling, shaft end adjustment nut, and pump coupling tightly together.
8. Pull the centering block out of the packing body and install packing and packing glands.
9. Clean the oil chamber with oil cooler, cooling water pipe joints, motor end caps, lubrication pipes, and measuring points.
Self-priming pump assembly and common failures
Hbzhan content introduction: Self-priming pump is a set of self-priming and non-clogging sewage in one, using the axial flow of the mixed type, and through the pump body. Impeller flow channel unique design, you can send clean water can also be sent particles and fiber Sewage and excrement. Widely used in municipal sewage projects, ponds and manure handling, precipitated waste impurities, light industry, paper, food, chemicals, pharmaceuticals, electric power, paddles and mixtures, etc. The sewage pump has a strong suction and non-clogging structural design.