Recent content by awds66

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    GE Frame 6 Cooling water pressure hunting

    Sure, attached is the P&ID for the cooling water system Sorry, the expansion tank gauge is blurry so I can't get a visual indicator, will try to change the level gauge and I'll share the update. I tried to check the pump inlet pressure gauge to monitor if its also fluctuating, but the...
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    GE Frame 6 Cooling water pressure hunting

    Hi, I've recently found a problem in one of my Frame 6 GE GTG. A bit of an overview of the cooling water system, there is no selector switch to determine which cooling water pump is the lead, so by default, 88WC-1 is the main pump2, 88WC-2 will activate when pressure drops to 40PSIG. Current...
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    88HQ (Aux Hydraulic) Pump is always running

    Hi everyone, Hope all is well. I've been having this issue where a 88HQ (Aux Hydraulic) pump of a GE Frame 5PA turbine is always running/in operation and would never stop after we conducted a major overhaul. We tried calibrating and replacing 63HQ and also replacing the 88HQ but to no success...
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