Kyle, Gerardo Legacy pumps long past their nominal life expectancy -> Damaged knife edge of 2 1/2" O-ring isolation valve at HAM2 ion pump attempting to align flanges which were kept sprung misaligned by rigid non-perpendicular piping -> Had to remove damaged valve and replaced it with an elbow (will repair valve in house and keep as spare) -> Leak tested new joints -> Will now need to pump with pump carts for a few more days before energizing new ion pumps. Note: HAM1/HAM2 annulus volume was fully vented for a period of time -> no pressure change in Corner Station