On Monday-May-09, found 5973 GC MSD’s failed to pump. Called the Agilent Tech Support, try to isolate the problem. (Bad Hivac Pump? Turbo Pump Over Speed? Leak At Gc Injection-Port? Leak At Mass-Spec Interface? Analyzer Door Thumb Screws To Tight? Or what else?May-10 ~ May12, final, came to a conclusion that the problem may lie in the leak on End-Cap of turbo-molecular pump. However, called the Customer Service of B** Edwards Turbomolecular Pumps , Charged 2-3**, then ordered another “refurbished kit, $5*” from internet.Disconnect the cable between GC and MSD
Note: An***, Call me if have any problem, Best