Small Harbor Freight compressor stopped pumping pressure into tanks

by Walt
(Harrisville, Michigan)

Small two tank Harbor Freight compressor used to air up tires occasionally stopped pumping pressure into tanks


Approximately 1 1/2 years old handle lift air compressor was working just fine and yesterday it quit building pressure into tanks.

I was able to pump up two lawn tractor tires with about 12 lbs of air.

It runs fine just does not build pressure in tanks.

I hear no air leaks and when pulling manual air dump valve not much air comes out so I suppose I was blessed to get the two tires inflated.

What would cause this compressor to suddenly quit building pressure? I check the oil and it looks clean and near the top of the sight glass.

Sincerely..................Walt
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Hi Walt. Take a look at the page in the troubleshooting section about why air compressors run but don't build pressure.

When you've checked that out, and the checks on your compressor, if you still have questions, please add a comment here, with your air compressor model number.

Bill

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