Question about Craftsman Air Tools & Compressors

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Hi, my compressor takes forever to fill up, its a 7hp 75 gallon tank 240 volt 15 amp model. It can take up to 1/2 hour to fill. never did before(filter is clean also) Thanks Tom

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  • Anonymous Oct 09, 2010

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Without the model number I am not for sure what pump you have but there are 2 things that can cause this.

#1 Would be the check valve in the tank may be weak or bad. This allows air to go into the tank and not escape. If this is bad typically you will have air coming back out of your pressure switch after the air compressor is turned off.

#2 You may have a blown head gasket between you first and second stage in the top of the compressor pump. To solve this problem you would need to replace the head gaskets in your air compressor.

Thanks

Posted on Oct 10, 2010

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Posted on Jan 02, 2017

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