Large replacement parts inventory in RHP Service Centre; reduced processing times; more than 200 repairs annually; constantly trained assembly personnel; optimised and proven repair procedures; explanatory report upon return, including indication of failure; systematic localisation and remedy of spindle failure; use of specially developed assembly and disassembly tools; reduction of repair times through stocked replacement parts; modification to state-of-the-art technical condition; multiple test runs and final inspection; warrantee for repaired spindle units; and on site service.