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Don't you have a Device Summary, Control Spec. or a set of drawings? The limit switch is closed when the bleed valves are Open (de-energized).

I think you can see by the lack of response to this that you have asked a question that really can't be answered here. You really to get someone qualified to first look at your machine and figure out from there what needs to be done. It's a big job and needs a lot of local analysis and design to...

Thanks for a super answer, you have confirmed my thoughts (and fears) about the system. Good to use because of the quarterly changeovers but problems with leaking valves. Has there been any comments from GE on the leaking valve issues?

Can you give me an Email address?

I can probably find something for you on GE gas turbine control systems. For example a Lube Oil system or a Fuel Gas system, would that do?

Try this link http://www.metrixvibration.com/products/proximity/probes/product/660/10000-7200-probe-series-5--8mm

Manufacturer, Model No. and Part No. might be useful.

Can you tell us the manufacturer and model No. of the generator please?

There is a 'Search" on the site in the top right hand corner, check it before posting. Check here, http://control.com/thread/1473458999#1473458999

Print them yourself.

I can send you PDF copies and you can print them yourself. Do you really want me to print nearly 900 pages and mail them to you free of charge?

This could be a problem with the torque converter itself or a problem with the foot valve in the lube oil tank which feeds oil to the converter. The fact that you have zero pressure on the discharge kind of points to the foot valve. Do you have any Voith representative near you who could help...

It's just a difference in the interpretation of the ANSI numbering system that GE use for devices. A 65 device is classified as a "Governor" device (The assembly of fluid, electrical,or mechanical control equipment used for regulating the flow of water,steam, or other media to the prime mover...

Could be a fluctuating hydraulic pressure causing valve to move. Is the hydraulic pressure steady? I don't know what the difference in part nos. that you give means, but if it was a GE part no and the final Pxxx was different it would that the servo was designed for a different flow rate. If...

Are you trying to indicate that there had been some kind of fire or combustion in the Bell Mouth?

It's kind of hard from the damage found to the IGVs and the sequence of events leading to the trip (Flame out, CPD Bias,High Vibration) to envisage anything other than something passing through the IGVs unless it was some failure in the IGVs themselves, but that is a long shot!

Firstly, It's pretty certain that the surge was caused by the huge drop in CPD which was later confirmed to be caused by severe compressor damage. Given the IGV damage it for sure looks like an FOD damage. I don't think that it is a coincidence that there was an Inlet Filter change recently. Was...

You say it was a long time ago since this machine ran on distillate and you've had a failure of 20FL. Firstly I reckon that your Liquid Fuel system needs a complete check over, probably at stand still if possible (Fuel control valve, Flow Divider & Speed Pickups, LP & HP filters, check valves)...

It kind of sounds like your LP rotor is breaking away very rapidly and triggering FSR Acceleration control. Is there any load on the LP turbine during start-up?