1, sediment pump is not absorbent reasons: perfusion is not enough water, the pump can not discharge air, suction pipe leaks, front liner and impeller gap. Solution: continue perfusion water, check whether the pipeline leaks, adjust the gap between the impeller and the front liner. 2, sediment pump water pressure is small, small flow reasons: pump air, impeller and the front liner gap, the clutch is not closed tight, impeller or lining wear. Solution: empty the pump gas, adjust the clearance adjustment clutch friction plate clearance, replace the impeller or liner. 3, sand pump wear fast cause: the construction environment (large particles) poor transmission distance, long water inlet pipe. Solution: Change the battlefield, add afterburner, shorten the length of the inlet pipe to reduce cavitation. 4, mud pump impeller shaft wear fast reason: high-pressure pump lift low, packing root dislocation, the pump shaft and the back cover not heart. Solution: Replace the pump higher than the head of the mud pump, replace the packing, and adjust the concentricity.
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