Maintenance tips for submerged pumps

Pumps that take too long to use, or because of improper handling at some point in time, may require a little trick in the face of liquid pump problems.
1, the maintenance of liquid pump, the first pump removed from the tank, remove the motor and base, remove the lower casing, under the axle and impeller destroyed (note the pump shaft coating) release the bearing Sit six hex bolts, and then put the pump shaft and bearing components can be pulled out together for maintenance.

2, the liquid pump repair and replacement of wearing parts after reassembly, see the bearing, bearing installed in the pump shaft with the upper and lower bearing cover fitted couplings and tight round nut, the correction of the pump shaft Bending, with the bearing pump down into the pump body, and then bearing housings installed in the middle seat, adjust the impeller and upper and lower pump casing clearance just put the impeller and the lower sleeve and the impeller and cap together with the phenolic clay stick Pump shaft, such as phenol-formaldehyde mud completely cured, it will be installed under the pump cover, the assembly is completed, the hand shaft on the shaft rotation about whether the normal. Such as the replacement of bearings and pump shaft, the first axle to remove the pump shaft nut and coupling, loosen the upper and lower bearing cover 12 screws, the bearing can play up to play.