REMANUFACTURED PUMP AND PUMP REMANUFACTURING METHOD

摘要

A remanufactured pump (10) includes a casing (12) and a pumping mechanism (44) positioned within the casing (12) having a rotatable pump shaft (46) and an impeller (47) mounted upon the pump shaft (46) and rotatable within a pumping chamber (20) in the casing (12). A first insert (56) is held fast within a first bore (24) in the casing (12), and a second insert (60) is held fast within a second bore (26) in the casing (12), each via an interference fit. Sealing mechanisms (64, 66) are positioned within the first and second inserts (56, 60) to form a first seal about the pump shaft (46) to prevent leakage of a working fluid from the pumping chamber (20), and a second seal about the pump shaft (46) to prevent leakage of a lubricating fluid from a bearing chamber (22) in the casing (12). Related methodology is also disclosed.