Recent content by h_alqubati

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    Drop in control oil to 55 PSI, and Nozzle goes to current suicide during loading

    To close the above case. We found the drop in control oil pressure was caused by LP overspeed dump line. We blinded it and Control Oil pressure back to 100 PSI. Now NGV is moving up to 0.5 degree without any interruption to the load.
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    Drop in control oil to 55 PSI, and Nozzle goes to current suicide during loading

    CSA, I really thank you for your valuable inputs in this thread.
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    Drop in control oil to 55 PSI, and Nozzle goes to current suicide during loading

    CSA, we have a concerns regarding the NGV Actuator cylinder, and Dump solenoid, so we are planning to change them in next shutdown. Main L.O pump pressure is good and Keep the same pressure as Aux L.O pump was doing. also we run the Aux L.O to support the Main L.O but found no big difference in...
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    Drop in control oil to 55 PSI, and Nozzle goes to current suicide during loading

    CSA, Really appreciate your interacting with my thread 1- it start decreasing from 110 to 90 when the auxiliary pump stopped, then it start decrease gradually to 55 within 2 hours. 2- it was 100 to 90 PSI, now pressure 60 to 52 PSI 3- the alarm only- Nozzle not following alarm because the...
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    Drop in control oil to 55 PSI, and Nozzle goes to current suicide during loading

    Dear All, Machine : GE MS5002C Control system: Mark VIe TMR we just completed Zero overhaul Indications 1- Control oil pressure drop to 58 PSI 2- Nozzle current suicide @ 2.5 degree if we increase the LP speed fast Observation: - during start up the control oil pressure stay at 110 PSI. - at LP...
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