! WORLDWIDE IN-SITU MACHINING SERVICES PROJECT FACTS: COLT PIELSTICK PC 2.5V16 Location: San Diego, CA USA Max Hardness Pre-Annealing: 580HB Max Hardness Post-Annealing: 333HB Original Main Journal Diameter: 330.00mm Finished Diameter: 327.00mm (-3.00mm) Thrust Face Machining: -1.00mm (fore/aft) IN-SITU ANNEALING & MACHINING RESTORES US NAVAL VESSEL MAIN ENGINE TO SERVICE USS PEARL HARBOR (LSD-52) COLT PIELSTICK PC2.5 V16 BEARING FAILURE A US Navy amphibious vessel, the USS Pearl Harbor (LSD- 52) experienced a bearing failure on main journal 0 on one of its four 16 cylinder Colt Pielstick PC 2.5 main engines. The failure was significant in that it introduced excessive hardness in the main journal and adjacent thrust faces. Goltens was

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