GX-CS4 $529/$477 with discount code

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BackStop

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Oct 10, 2020
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Lowest price I have seen so far. Make sure to use the GX10OFF discount code at top of the page.

gxpumpofficial.com

GX PUMP CS4 Portable PCP Air Compressor, Max 5800Psi/40Mpa, 12V Auto S

. If you are in Europe, pls search on amazon. The five amazon sites: amazon.de /amazon.co.uk/ amazon.fr/amazon.it/amazon.es . Only Available in USA NOW if you buy here Note: Be sure to add antifreeze if it freezes in your area 350W Powerful Motor,Max 5800Psi/40Mpa, Water and Fans Cooling, 5...
gxpumpofficial.com gxpumpofficial.com

Edit:

I paid $513 shipped when I bought mine. I think it was $569 before the 10% discount code.

So far, no regrets, but I don't use mine as much as others.

All my best!

Kerry
 
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I should get mine soon on Sat. or Monday. I was wondering what this 7 pin connector below the air vents is for. Anyone know?

1707549670724.png
 
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Don't forget to flush the water system a few times to clear out any "gunk" that seems to be standard with these pumps. Don't use antifreeze unless you'll be using it where it can freeze. Plain distilled water, or perhaps a bit of water wetter if you want fungicide/surfactant additive.

Apparently you also need to clean the grease from underneath the burst disk a few times initially. Jason recommends running the pump for two hours with no back pressure as a break-in run.

 
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The water inside the tank wasn't too bad. No pieces of dirt, but a some oily stuff floating around. I flush it out over 10 times with tap water, oily stuff mostly removed then flushed with once with distilled water and refilled with clean distilled water.

Not a good sign when I power supply went dead when I hit the green buton for the pump motor. The power supply's fan stopped turning, no output. I unplugged it for a few minutes and tried again. This time it worked. Using the dead head it took 27 sec. to hit 300 bar. I don't know if I should test it to the maximum rated pressure.

I haven't run it for 2 hours yet to clean out excess grease as suggested. Is not quiet. The mechanical pump is very quite, but the fans are super loud. The cooling fan on the compressor is the loudest and power supply fan is quieter but louder than a PC CPU fan when doing a stress test.
 
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BlackICE said:
Just test filled of my Edgun R5M 323cm tube from 150 to 245 bar. This took 3 mins with a small inline filter installed. The compressor setting was 260 bar but the Edgun's gauge read only 245 bar. I trust the Edgun gauge more since it also agrees closely with 2 other gauges I use.
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Yeah, I go by the gauges on my great white.
 
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Only those of us with the
BlackICE said:
I should get mine soon on Sat. or Monday. I was wondering what this 7 pin connector below the air vents is for. Anyone know?

View attachment 433985
Click to expand...
Only those of us with the secret decoder ring are allowed to know that. (chuckle)

Seriously... looks like others have already suggested the correct answer. I think... (chuckle)

All my best!

Kerry
 
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