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Thank all for your replies. We used to sent servo valve for repair, in many cases the amount is equel to new one or it may not work in some cases. Hence we are going for the new one. Now we have decided to get servo valve test kit. If anybody having experience please share with us. Take...

Dear MIKEVI, Thank you for your feedback, Well, we will avoid to clean with thinner in future. Since we have replaced many servos, we would like to have servo valve test kit. In near future we may buy one kit. Will the test kit useful to detect any problems and correct it? Thanks...

Yes possible, Could you explain in detail about the control system is being used or where do you want to keep this alarm unit? take care G.Rajesh

Thank you very much CSA GREAT job. G.Rajesh

Thanks CSA, We also noted your points for future use. Take care G.Rajesh

I don't think GE will replace the valve you mentioned but it's good replace its repair kit. Take care G.Rajesh

Thanks CSA, Like you, we are too waiting to hear some innovative news about PLC with GE heavy duty gas turbine. Take care G.Rajesh

Hi, First time I am hearing A-B with frame-6 gas turbine. Thanks for the information. As CSA says, if have any issue on gas turbine with controls we could help you. Take care G.Rajesh

Dear Calvein, It might be data frozen issue. it will be solved once <C> rebooted. I am not sure for the reason. We too had this issue but after upgrade <I> from DOS to HMI we never notice this kind of issue now. Good luck Take care G.Rajesh

Hi, We hope your IGV is controlled by servo valve and trip valve (20TV). After maintenance, have you calibrated IGV, if Yes how was it performance? Mostly varnish on servo valve may impact the operation. Next oppurtunity just replace moog valve and observe (or only it's filter)...

Dear Hussain, Have you checked voltage at solenoid terminal before and after energized? There may be a change for blown fuse at control panel? Take care G.Rajesh

Dear Suhail, <The flow divider was showing distillate flow at 32 bars to all 10 nozzles>> Are you sure 32 bar to each nozzles? Normally distillate inlet pressure will be 5 to 6 bar and at flow divider it'll around 7-8 bar. What is the CPD? and wheelspace temperature? Take care G.Rajesh

Dear Ray Thank you for your feedback. Now unit is running we will examine when it's down and back to you with feedback. Thank you Take care G.Rajesh

Prasanth, Is there any fuse connected to the line, please refer the drawing in the <PD> core. Take care G.Rajesh

Salem, Do you have back up E-site? If yes, just copy the E-site and before do that delete or rename the current E-site? Update us after the effect. take care G.Rajesh

Sourabh, Just assume you are riding a bicycle with 5 kg weight. if weight increased to 10 kg. What will you do? You have to give more acceleration to maintain the speed. The same thing will happen in generator when load increased. Governor will make the speed equal. Take care G.Rajesh

Hi Hiten, DENET is used for exchange the critical data between the processor to perform voting. I think 3PL cable may be used for DENET operation. Other reset of the cable I'll refer & back to you. take care G.Rajesh

Thank you ger7. We too learned something. Take care G.Rajesh

Swirl angle chart used to find the defective nozzle once enter the exhaust temperature for the designed turbine. take care G.Rajesh