C5160V1 snap on compressor clicks and stalls

by Trevor
(Victoria Canada)

I have a 60gal snapon compressor Model C5160V1,  Pump # PT03A and Motor G470 5hp. 


When I turn on the compressor it starts up fine and runs until it hits 18-20 psi then it starts to stall out and revs up and down while a clicking noise can be heard from the motor. 

It continues like that until 24psi then the motor can no longer turn and I get that seized motor sound.  I took it in to an electric motor repair shop and he charged me $165 to "fix" it.  He said it had an "open circuit" and that he had repaired it. 

I brought it home, re-installed it and it does the exact same thing. Any thoughts on what the issue is?  and did I just get hosed for $165 ?

Any help would be greatly appreciated

Thanks,

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Sep 12, 2017
230V?
by: Doug in s.d.ca.

"Any thoughts on what is causing the pump to get tighter and tighter as it runs?"

Well, yeah. That's because it's pushing against the pressure in the tank...it gets harder and harder until it gets to cut-out.

But before we go off the deep end, you are using 230 or so Volts to power it, right?

Sep 11, 2017
C5160V1 pump tightening up
by: Trevor

So i checked the capacitors and they both tested fine.

The motor seems to be work perfectly.

I let the compressor run up to 24 psi before it stalled out and wouldn't turn at all.

I then removed the belt and tried turning the pump pulley by hand to see if it would turn freely. The more i rotated it, the tighter it got.

I had also pulled off the heads a few days ago and checked the inlet and outlet valves and they looked nice and clean and seating properly.

The cylinders looked clean and no grooves or wear marks.

Any thoughts on what is causing the pump to get tighter and tighter as it runs?

Sep 04, 2017
snap on clicks and stalls
by: Doug in s.d.ca.

First off, is your compressor similar to this one:

https://www.aircompressorsdirect.com/Eagle-C5160V1-Air-Compressor/p5492.html
?
"I brought it home, re-installed it and it does the exact same thing. Any thoughts on what the issue is? and did I just get hosed for $165 ?"

Possibly. But we need to do some more tests to be somewhat more certain.

Please look at the troubleshooting section:

http://www.about-air-compressors.com/air-compressor-bogs-down.html

and keep going until you find a fix or get stuck. Then come back and tell us what you found, and we'll go from there.

Good luck.




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