Prevent air leaking from couplings on an air
2021-6-5 · When I turn it on without a hose attached, it seems to work fine. It gets up to 140 PSI and shuts off the motor. As soon as I attach the hose, I can't get it above 60 PSI. I can hear air leaking out both at the quick connect coupling to the air compressor and at the other end where I have an attachment screwed on the hose to fill car tires.
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