Colman 60 gal. powermate compressor won't build any pressure.

Ok so bought this thing used has a aftermarket, princeS Autoknowbetter, pump and a 3.5 hp motor 220/240v

Just wired shed now go to use and makes lots noisse but no pressure on main gauge. (no regulator yet, but line has "M" coupler so is sealed.

So the dumbass ahead of me had the motor wired to the line side of switch, and feed going to the Motor side.

Switched these and still nothing. (however ran both ways and the off/auto switch did turn on and off)

The big copper line to the center top of tank will get hot fast.

then the little one goes to the pressure switch.

I try to feel air leaks but because the pump pulley is turning the air is everywhere.
I'm not even sure this thing is plumbed right, I am guessing the unloader is built into the switch? I do have the manual "whistle" on opposite side of switch than the copper tube.
Where do I start, to eliminate things.
I am knew to compressors but am small engine know it all!!! LOL

All my photos are to big for here. so posted few here

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Bill says...

Don, the air line from the pump to the tank will get very hot, very fast, that is normal. The top of the pump and the line to the tank will typically get too hot too touch. So, that does not necessarily indicate a problem.

First, make sure your power supply is clean a right.

Disconnect the power, and pull the line from the fitting where it goes into the tank. That should be a check valve. Make sure it is clean and working.

After you have cleaned and replaced the check valve, leave the line from the pump off, and start the compressor. Can you feel air coming out of the line?

Next, go to the Troubleshooting section on the site map page, and follow the appropriate links for more things to check.

When you have done your checks, please post a comment here to tell us what you found, or to add information or another question.

Cheers,

Bill