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From what source does the jacking oil pump 88QB gets its source of oil?
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BlackBerry pin: 21B28454
[email protected]
BlackBerry pin: 21B28454
Dear Sir, can you advise where i can purchase the spare parts? any idea who is the OEM for ALSTOM OIL JACKING system so i can ask for the spare parts pricesaudiguy,
Is the tap for the jacking oil pump suction ahead of or after the L.O. Bearing Header Pressure Regulating Valve? Is the lube oil at Aux. Pump discharge pressure or bearing header pressure?
I have seen it done both ways--before and after the bearing header pressure regulator. Some Frame 7EAs with Brush generators had the tap after the regulating valve, and most late-model F-class turbines have the tap after the pressure regulating valve. But some early F-class machines had the tap before the pressure regulating valve. That's why--without more information about the specific turbine in question--the answer can always be found on the L.O. P&ID (Piping Schematic) for the unit in question.
In all the years I've worked on GE-design heavy duty gas turbines I've only encountered two (2) occasions when the Piping Schematic (P&ID) drawings have been wrong--and both of those instances were involved vendor-supplied equipment that was found not to have met the purchase specification. The Piping Schematics (P&IDs) are very critical to understanding how GE-design heavy duty gas turbines operate and people should refer to them always with questions like this--because there can be slight differences even in the same line of turbines over time.
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