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Discussion Starter #1
Hey guys

This is my first time on this thread. I have a Central Pneumatic compressor and the tool side gauge ( not the tank side ) will not hold its pressure. The gauge should stay at the pressure I set it too and the tank side gauge should be lowering as I air up my tire and its not. If any body can help I would really appreciate it. I'm thinking it is the regulator or some sort of check valve but I can't find it. I don't want to pay someone if it is a easy fix. Thanks
 

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Discussion Starter #3
please forgive my terminology but i'm trying to give you guys the best picture i can. When I use a air tool the gauge that's for the tool won't stay at the set pressure I put it at. I thought the pressure is suppose to go down on the gauge that comes from the tank and then the compressor kicks on when the pressure drops below 125psi. So basically I can only use my air tool for 3 to 5 seconds before the pressure drops to low on the tool gauge side. Hope that helps with any advice.
 

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The regulator cannot manufacture pressure. All it does is maintain a steady tool side pressure as long as the tank side is higher. Once the tank side drops below the tool side setting tool performance is lost.
Sounds like the compressor is not adequate for the job. To maintain pressure volume is required, if you are using air faster than the pump can replenish it you will have to be patient or move up to a larger (and more expensive) unit.
 

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Discussion Starter #5
I have a 4 horsepower 17 gallon tank and all i'm trying to do is air up my tire that i've done many times before. Thanks for the reply but its got to be the regulator or check valve
 

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The regulator cannot manufacture pressure. All it does is maintain a steady tool side pressure as long as the tank side is higher. Once the tank side drops below the tool side setting tool performance is lost.
Sounds like the compressor is not adequate for the job. To maintain pressure volume is required, if you are using air faster than the pump can replenish it you will have to be patient or move up to a larger (and more expensive) unit.
I think replace the regulator valves is must before using this machine.:rolleyes:
 
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