Followings are common failures of mining mud pump and troubleshooting:

Fault 1: Pump Vibration
Reason: pump shaft and diesel engine (or motor) are not heart, impeller imbalance, bearing damage;
Solution: adjust the concentricity, impeller balance test, replace the bearing.

Fault 2: Pump Water is Slow
Reason: the front liner and impeller clearance, the water pipe can not seal the air, empty full;
Solution: adjust the gap, adjust the outlet pipe, install the vacuum device.

Fault 3: Pump Does Not Absorb Water
Reason: pouring water is not enough, the pump can not be discharged from the air, suction pipe leak, the front liner and impeller clearance;
The original solution: continue to pour water, check the pipeline is leak, adjust the impeller and the front liner clearance.

Fault 4: Small Water Pressure and Small Water Flow
Reason: the pump has air, impeller and front liner gap, the clutch is not tight, impeller or liner wear;
Solution: emptying the pump gas, adjust the gap to adjust the clutch friction plate gap, replace the impeller or liner.

Fault 5: Pump Wear Fast
Reason: the construction environment (large particles) is poor, the transport distance is far, the water pipe length;
Solution: replace the battlefield, add a unit, to shorten the length of the inlet pipe to reduce cavitation.

Fault 6: Impeller Journal Wear Fast
Reason: high-pressure pump head low, packing dislocation, pump shaft and back cover is not heart;
Solution: replace the high pressure pump above the mud pump head, replace the packing, adjust the Concentricity.