Question about Coleman Air Tools & Compressors
If I let all the air out of the tank then turn it back on it will fill up again then back to the same problem. It seems to be a little pin-like reliever that gets pushed up when it cuts off or I turn it off.
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Posted on Jan 02, 2017
Make sure your pressure switch is set correctly. Check your pressure gauge and make sure it is functioning correctly. Also,seems sometimes if there is any time when there isn't the adequate amount of power demand supplied the motor heats up more causing the thermal protection switches to act a little finicky which in turn shuts it down.Check how many amps the motor is rated compared to the breaker controlling the circuit. Is it a dedicated circuit only for the compressor or are there other things also drawing power from the circuit ?
Posted on Nov 17, 2008
1)Let your unit pump up.
2)Turn it off.
3)Find the supply line from the pump to the tank.
4)Remove the supply line from the pump head.
5a)If you hear air coming from the tank you have a bad check valve.
5b)If you do not hear air coming from the tank, you have a leaky
Posted on Feb 02, 2009
sounds like you need a new check valve which should be somewhere between the compressor outlet piping,tubing,etc and the tank which prevents the air in tank to back feed to the compressor which would cause hard starting and could damage the motor easy way to check is when you shut off the compressor with some air in the tank if the check valve is bad it would continue to bleed air out out the unloader valve .the unloader valve on your unit is most likely part of the pressure switch when the unit shuts of it should only bleed down the pressure in the pump so it would make it easy to start when needed hope i didn't confuse you
Posted on Mar 23, 2009
i think you will find there is nothing wrong with the compressor part of this its all down to a faulty motor
if it cant start up the motor the motor will hum at first then the circuit braker pops out? yes???
check your getting full mains power first as if its trying to run on a very long extenshion lead its not getting the full power to start up, and you will need a much heaver lead,,,if its in a plug on the wall, change the capasitor on the motor,,,this is the part that hold a lot of volts to kick start the motor over when it first trys to start,,if this capasitor has droped in holding its charge there wont be enough volts in it to kick start the motor over,,so the motor starts to hum first trying to start but it dont stand a chance of spinning up
so it keeps pulling more and more amps till the braker pops out,,,watch this capasitor it can realy bite you if you tuch the two ends that are live????
the motor has two windings in it,,a start up winding and a running winding,, if its been humming for some time now it could have damaged the start up winding
Posted on Mar 28, 2010
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