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    How to cool a cs4 or cs4-i, even better than just bleeding the air pocket.

    Rotated my CS4-i today. Took me longer than 20 minutes and I spilled way more than a teaspoon of coolant. While running the pump checking for leaks I rotated the assembly right and left. Was surprised to see a lot of air bubbles in the top tube from the radiator to the holding tank when...
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    Acecare 300 bar carbon fiber tank, what valve?

    AliExpress has this 6.8L tank for about $225 with three different valves. New to PCP and related equipment. What valve do I want? I have a GX CS4-i compressor to fill the tank so DOT is not a concern. Just not sure what valve to order.
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    GX CS4-i First time turning on

    Put my GX CS4-i to real use for the first time today to fill the 480 CC bottle on my Ghost. Starting pressure was about 80 bar on the Ghost gauge. GX pump gauge turned off the compressor at 250 bar and the Ghost gauge read 240 bar. After the Ghost tank cooled to room temperature the Ghost gauge...
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    GX CS4-i First time turning on

    Here is something else that my interest those doing an hour meter on the back panel. To make the cutouts in the back panel I wanted to use my drill press to remove as much material as I could to minimize the hand file work. This required the pump be face down on the drill press table. I used a...
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    GX CS4-i First time turning on

    That was how I guessed and filled mine. I also removed the aluminum cross under the water tank glass cap. I can now easily see the water moving. I believe I got mine bubble free but will go out and tilt it a bit to make sure.
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    GX CS4-i First time turning on

    If you look at my side view picture you can see two yellow dots. Those are the female half of the bullet connectors the factory uses to connect to 12v power to the pump motor. The crimp ends of the bullet connectors were not big enough for my hour meter wire and the factory wire. So I split the...
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    GX CS4-i First time turning on

    My pump arrived Monday the 14th a day earlier than tracking initially showed. After reading numerous threads about first start up I decided I wanted an hour meter on mine. Also wanted to feed it from a nitrogen tank. The hour meter arrived Wednesday and was installed that evening. The fittings...
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    CS4 arrived, my first pcp compressor.

    My CS4-i arrived wet and also from the seller. A friend of mine who since has moved had a similar situation with his small farm. He had been there for over fifty years when a large condo project was built across the road. They literally sued his animals away from him. Even had to get rid of his...
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    GX CS4 Compressor - Initial Impressions

    I have a couple fittings ordered for my CS4-i. They will be here Thursday and I will try your method.
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    GX CS4 Compressor - Initial Impressions

    Do you know what flow rate you get at 3 PSI? Thank you for your input.
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    GX CS4 Compressor - Initial Impressions

    Adding an edit for one more question. How long have you been using nitrogen to feed your compressor? My reason for asking is when I was trying to find the fitting thread size I emailed GX support. The answer they gave me was do not do the mod as the compressor could not take any pressure on the...
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    GX CS4 Compressor - Initial Impressions

    I would like to feed my CS4-i nitrogen but am having trouble finding fittings with the correct thread/size. Can you tell me what you used?