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PST J600R fuel Valve?? Needed

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PST J600R fuel Valve?? Needed

Old 05-20-2016, 10:56 AM
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Johnny9390
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Default PST J600R fuel Valve?? Needed

Do I need a Fuel Valve (Electronic) connected to the ECU? Mine did not come with one and I just have the Fuel line coming out of the pump, through a festo Ball Valve then through a Jet cat Filter then to the turbine..

Is this ok or do I need a Valve like the one for the Propane as pictured here.

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Old 05-20-2016, 03:06 PM
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Art ARRO
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Johnny,
Do you have the PST Operation Manual? There should be a installation diagram showing the turbine installation including all components and their connection. What you are calling a Fuel Valve (Electronic) is commonly known as a Fuel Solenoid. This solenoid controls the fuel flow to the turbine during startup and as a safety feature commanded by the ECU. I would not run the turbine without this fuel solenoid in place and connected to the proper port on the ECU. Also, I noted that you have installed a power switch to the ECU. This is very uncommon as there may be a voltage drop during start up preventing a clean start. Most, if not all, turbine guys connect direct to the ECU battery via a heavy duty connector such as the Deans Ultra or Multiplex equivalent.
Rgds,
Art ARRO
Old 05-20-2016, 06:49 PM
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Johnny9390
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Hey ART

I checked the manual and there is no fuel selonoid to the turbine in the diagram for the PST turbine. Only for the propane. And the switch came with the wiring from the ecu and is shown on the diagram. Was just curious from guys who have used this turbine before. There is a whole lot of wires coming frok turbine to ecu compared to the current newer type turbines
Old 05-21-2016, 06:26 AM
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Art ARRO
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Johnny,
I guess if the PST Manual only shows a gas solenoid I would go with that setup. As stated before switches are rarely used on the ECU battery lead. The large number of wires from the ECU to turbine is due to the TEMS ECU. Many PST users have upgraded to the XICOY ECU but there are several changes to be made with this upgrade-also some $$$. For now I would advise going with what you've got.
I do recommend having an experienced turbine pilot review your Reaction and turbine installation before the maiden. There are several in the Miami area to chose from. They may also recommend some basic preflight tasks such as ECU teaching, turbine startup/shutdown and taxing. I usually conduct these checks myself in my driveway or any open paved area. It is usually much easier to correct any faults here rather than at a flying field-especially with a new jet. Good luck and keep in touch.
Rgds,
Art ARRO
Old 05-22-2016, 04:51 AM
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Johnny,
I drilled down into this PST Sub-forum and noted that they offer fuel solenoid upgrade for their turbines with a TEMS ECU. This entails sending the ECU back to Thailand for the upgrade. I'd pass on this myself unless there were any other issues to contend with. Just ensure that the manual fuel valve is in the "Off" position when fueling or transporting your jet. This is when fuel can be introduced into the turbine resulting in a hot start and/or fire. Be aware and be careful.
Rgds,
Art ARRO
Old 05-22-2016, 05:28 PM
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Johnny9390
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I agree with you Art. Gonna run her like this. If i have any issues might think of doing the upgrade.

Thx
Johnny

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