old Champion air compressor with RE7FR pump knocking

by mike
(Troy, Il.USA)

Have a old Champion air compressor with RE7FR pump that was handed down to me from my uncle. It hadn't been used in along time. Found out why, rod knocking that starts about 90 psi. Need to find some one to overhaul the air compressor pump, Hate to lose the compressor it's a nice old compressor and would be a nice assest to my garage

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You might find someone to rebuild your Champion air compressor on the Repairs page.

Or, someone may respond for you.

Cheers,

Bill

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Champion R 15A fitting size

by James
(Cameron, OK)

I recently acquired a well used compressor and have since rebuilt the top end (rings, gaskets, valves).

The compressor runs good but now comes the issue of trying to connect to my 80 gallon tank.

Originally the tank inlet was with 1/2" copper to the check valve, I will leave this as is but I need to know what the outlet size/TPI is on the compressor.

I thought it was 3/4" NPT but it will not thread, is the outlet 3/4" tubing (ferrel style)or some other fitting? Thanks for the help!
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If the size of the fitting port is 3/4 NPT in diameter (that's quite a bit bigger than 3/4" in diameter - see the Fittings pages for details) and an NPT thread will not turn in, then I would surmise that you are seeing a BSP or metric thread.

Bill

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Champion R-15A Rebuild

Do you know what the correct torque is for the various fasteners on a Champion R-15A compressor?
The main ones I need are the rod bolt torque and the valve bolt torque
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I don't, but I bet another visitor will. Your request is posted.

Also, under troubleshooting on the sitemap page is a link to a guide about bolt torquing. Hope that helps.

Bill

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Champion Compressor MotorThermal Overload Switch Tripping

by James
(Tennessee)

I have a Champion Air Compressor with a Baldor 5 HP motor that has started tripping the thermal overload switch.

It would start and run fine through several cycles, then trip the overload switch. I would reset it and it would again run fine through several cycles before tripping again.

It has progressively gotten worse to the point that it won't make it through a single cycle now. This happend over the course of 2 days time. I just replaced the 4 valves assemblies on the pump but not sure if that could be causing the problem. Any help would be appreciated.

Thanks

Baldor Motor
5 HP
208 - 230 Volts
25 - 23 AMPS
PH 1
1725 RPM
Rating - 400 amb cont.

Comments for Champion Compressor MotorThermal Overload Switch Tripping

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Oct 03, 2013
thermal
by: Doug in s.d.ca

I presume you had good reason to work on the compressor - and that being the case, suggests this unit has been around awhile. So, I'd be looking at the start/run caps, and maybe check the wiring into it. It's not real common, but you could have a loose connection somewhere.

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