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  1. TurbMaintEng

    Bearing Type

    Try using an RVDT (tap the end of the shaft, mount the RVDT to the end. It measures rotational motion. very accurate.
  2. TurbMaintEng

    GE Steam Turbine Control Valve Not opening

    thanks, I was hoping byrdj was going to see it.
  3. TurbMaintEng

    Control valve sticking GE G# STG

    Got one for you to ponder: We have an issue on U1. The MHC system/control valves are setup such that CV’s 1/2/4 have the same cam profile & timing and therefore all move together. CV3 has a different cam profile and is the last to open/first to close. The unit starts in full arc mode on the...
  4. TurbMaintEng

    GE Steam Turbine Control Valve Not opening

    Got one for you to ponder: We have an issue on U1. The MHC system/control valves are setup such that CV’s 1/2/4 have the same cam profile & timing and therefore all move together. CV3 has a different cam profile and is the last to open/first to close. The unit starts in full arc mode on the...
  5. TurbMaintEng

    GE Lube Oil Gear Pump

    I have a 7 mw GE double auto extraction steam turbine. The lube oil pump is located under the front standard. It is driven by a shaft running from the brass gear and worm/ quill shaft arrangement. The fly ball gov was removed years ago. I am looking for design clearances for the gear pump only...
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