The structure of gear pump is simpler than that of centrifugal pump, but the disassembly work is more laborious than that of centrifugal pump The components are heavy and should be installed with high precision. They are suspended on the beam and must be removed Pay attention to safety. The components of the water pump can be disassembled in two parts, and now it is vertical axial flow Take the pump as an example to illustrate its disassembly process o ]. disassembly of upper base First remove the screws of the elastic coupling, loosen the screw guide connecting the motor and the base, and remove the motor. Support the pump rigid coupling with wooden blocks to prevent the pump shaft from falling, and then remove it The cap nut on the transmission shaft, the connecting screw of the bearing gland and the engraved coupling Lift it up to a certain height in the axial direction, then remove the cap of the rigid coupling, put out the wire, and remove the elastic coupling The transmission shaft can be pulled out of the upper base through the coupling. Then remove the elastic coupling and roll it Remove the bearing from the transmission shaft with a special tool. So far, the upper base has been completely disassembled o 2. Disassembly of lower pump body First remove the water inlet bell. Then use a special tool to lift the impeller nut at the lower end of the pump Open, the whole impeller can be removed. For the water pump with moving blade field, remove the inlet valve After the bell mouth, disassemble the moving blade ring and then disassemble the impeller.