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Old 10-05-2013, 11:36 AM   #1
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Using portable air compressor

I just received a craftman aircompressor 150psi like ive read about on this forum. What am i doing wrong? Ive checked the tire pressure with two different tire guage. The pressure is 77.5 iam wanting to put 82psi in the tire. The compressor will reach 150 on the left gauge and i set the right gauge to 85 or 100 and when i recheck the pressure it is still 77.5 Should the compressor restart or is the tire receiving pressure from the tank without the compressor running? I can push on the stem on the felmale air connector and air comes out. Iam leaving it hooked up for a long time and the left gauge loose pressure. Any ideas? Thanks Jim
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Old 10-05-2013, 11:43 AM   #2
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I set the compressor as high as it will go,,, that will force air into the tire... Then just adjust the tire pressure as needed... If you set the compressor to 82psi to get 82psi in the tire,,, it would take Forever to equalize at that pressure....
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Old 10-05-2013, 12:07 PM   #3
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On my 6 gallon craftsman pancake, I have two quick connectors.

The first one is unregulated. The second I can regulate the maximum pressure.

When filling my front tires to 115 psi, I use the unregulated connector (150psi) or set the regulated connector to 150psi.

The compressor will come on at 120psi and shut off at 150 psi. Works great.

If pressing the valve end of the air hose with a screw driver or similar delivers air, then I suspect the valve in your tire's valve stem is off center and not being depressed by the air hose to admit air into the tire.

Therefore no air being delivered into the tire.
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Old 10-05-2013, 12:44 PM   #4
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Great air compressor and great forum. Thanks, the value stem was bent.
Jim
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Old 10-05-2013, 01:54 PM   #5
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I bought one, returned it the next day. It would shut of when the gauge read 150psi, but actual output pressure, measured with 3 different and types of gauges was 118 pis. The salesman who accepted the return said the company was seeing a lot of returns because this was not a designed use of the compressor; which was designed and sold for hobby spray painting and silk screening.
I'm back to my Harbor Freight, Viair knockoff, 12 V, 150psi, high volume, compressor. I've had it 6 years now, never has failed me.
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Old 10-05-2013, 02:03 PM   #6
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Is this 8pc. Portable Air Compressor: Take Craftsman Power to Go with Sears the compressor being discussed? I just bought one and I'm very happy with it so far. I installed Crossfires a few days ago and lost some air from the back tires during the installation. The compressor took two 22.5's in tandem from 80 to 95 psi in less than 5 minutes.
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Old 10-05-2013, 02:07 PM   #7
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I use the Husky 155psi compressor that Home Depot used to carry.

It handles my front tires @ 105 psi, the rear tires @ 110 psi, I use it to inflate the on-board air tanks as my HWH compressor is not working.

It does a great job on my car and trailer tires too.

Dr4Film ----- Richard
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Old 10-05-2013, 10:43 PM   #8
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I need 110 psi in the front, leaving my engine compressor a bit too lame for the job. I picked up a compact 6 gal unit on sale at HF for $104. 150 psi, and enough flow to air up a full size tire without a lunch break! Sorry, pic wouldn't load.
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Old 10-06-2013, 07:49 AM   #9
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I love my power tank. Check out powertank. com Been using it for 6 years. Tops off with co2 very fast.
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Old 10-06-2013, 08:46 AM   #10
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Turn the knob on the right meter to get the pressure up to 135-150. Then use your air gauge to check your pressures and release air if necessary. After a couple of tires you will get the "feel" for about how long to leave the air hose on the valve stem to get near the pressure you are looking for.
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Old 10-06-2013, 09:29 AM   #11
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Quote:
Originally Posted by Ggrvusa View Post
I love my power tank. Check out powertank. com Been using it for 6 years. Tops off with co2 very fast.
X2 on a CO2 tank. I have one for the Jeep when off-roading to air back up when coming off the trail. Also use it for the MH. Air up very fast.
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