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Are you absolutely sure there was no intermitent ground fault ??

For all those looking for torque converter info. just go to Voith site and you can get all the info you want.

Problems Can you give me an Email to [email protected], GEH6721files are too big to post here. GEI 100600 and 100629 are available for download just google GE and drawing No.

can we get a few more details please, I have the attached manuals

I quote " On a Trip IGVs MUST trip immediately to closed to prevent compressor damage."

The 2nd. Stg. Nozzle is for HP shaft speed control so it stays at -15 until the HP shaft reaches it's setpoint then it modulates to control the HP speed and Exhaust Temp.. This is done as the load increases, so 1) Load increases 2) LP shaft speed drops 3) FSR increases and HP shaft speed tries...

Well you will always get "Hydraulic Trip Circuit Pressure Low" which basically means it's tripped. Other than that I've had more trips on MKI/II with No Alarm than with one, for that reason, for many years, I carried a 4 channel pen chart recorder with me that saved my life. I'm curious about...

Roughly when after reaching FSNL did the machine trip? Can you get some kind of recorder and monitor major parameters (VCE, Exhaust Temp. Speed, SRV/GCV Position)

To CSA, Thanks for your reply. I'll have a dig around and see if I can find any more info. anywhere.

I reckon this subject has been beaten to death :- 1) If you know your machine well and trend and record the Exhaust Temp. / Spread Limit and Actual Spread, you should be able to spot increasing spreads, analyze them and make the changes required to correct them (change Fuel Nozzles / change...

Glad to see you back in action, full of detail and it looks like more patient ?? Is this a sign of maturing years !!

Lots of MKVI parts around, just Google for them. What do you want to upgrade ??

Well done CSA, I feel exactly the same as you. Some of the recent answers are downright dangerous, if you don't know, don't post.

Can you expand on this, maybe produce some documentation

And write in English Please !!

Do you have accumulators in your hydraulic system, you should have. have they been checked for pressure, low pressure in accumulators will cause exactly your problem, the Aux pump will kick in on any sudden system change which "bumps" the system pressure and, if you look at your logic, once the...

What you are explaining is normal.

What is going up, Exhaust Temp. ?? Can we see the spread ?? Are you on IGV Temp. Control ?? Do you have DLN fuel system ?? Can we see TTXM vs IGV angle vs Load in Mw ??

Is this a new event or some problem that you have always had? I've never seen a filter blow down air that comes from the Instrument Air compressor, usually it is a small ,stand alone , compressor or air comes from the running turbine. This looks like a badly designed system, who built it?

Sounds to me that you need to relocate 96AT or make a modification so that gusty winds don't effect the system operation, simply, it looks like a bit of bad design, don't you think ??