Upon disassembly, several case ring bores were found to be severely damaged. Case ring bores were welded 100%. After welding, case was stress relieved,... ...cleaned and primed. Split lines were milled to a minimum cleanup and a precision gasket finish. Case was then line bored to the proper standard dimensions. Case grooves were machined and the seal gland and bearing housing hanger faces were machined square to the bores. After machining, the case was deburred to ensure the precision fits of the stationary parts to the case. The case was then ready for... ...installation of the customers spare element.