Craftsman 30 gallon 5.5 hp compressor blows fuses.

by andrew
(franklin nj)

This worked great left in back of the truck. Kept bag over motor. But then used it and forgot to put bag back on and i think water got in.


Now it kicks on and blows fuse . Any ideas on what to look for in motor?






Bill answers...

Hi Andrew.

Whoops, that's not the first time something like that has happened, and it won't be the last.

After you've got the power unplugged, look under the cover of the pressure switch and see if there's obvious corrosion.

If not, and there's no obvious short in your power supply, then it's likely the motor or capacitor.

Are you up for working on this, or should you be taking it to the shop? It were me, I'd be heading for the shop.

I want to use the darn things, not try to fix them.

Cheers and good luck.

Bill



Comments for Craftsman 30 gallon 5.5 hp compressor blows fuses.

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Aug 15, 2009
Fixed her whooo hooo
by: andy

well was playing around with safey switches and what my brother had told me were the start up capacitors and got the cover that hold the caps to click onto the shaft i never heard this click before had it on and off 10 times any way i hear this click so i decide to turn her on and bang shes running like new again !! thanks for all the help.

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You are most welcome, though you did it yourself! Congrats.

Bill

Jul 31, 2009
Stupid of me to leave out in rain
by: Anonymous

Yeah me too, love to use hate to work on. my brother warned me about getting it wet the motor shaft and compressor pump spin freely . must be one of the switches on the motor cover there is like 2 can type devices then a spring switch that looks like some kind of old points set up you would fine under a old briggs and stratton engine.






Like I say, you aren't the first, and won't be the last! :-)

Good luck with it.

B.

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Craftsman ... the lights in the room dim way down

Craftsman Model#919.165200 (1997 Model)
When I flip the power switch to turn it on,the lights in the room dim way down and the circuit breaker in the house cuts out in about 2 seconds. Motor also runs slow before the circuit breaker cuts out.

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Bill says...

The lights dim, and the breaker pops, because your compressor is pulling more amps than the electrical circuit can supply.

If you haven't added more electricity eating appliances in the same circuit that could be robbing power, my guess, based on what you say, is that your unloader valve isn't doing that, and that's overloading the circuit.

Check out the Unloader Valve page linked from the Valve page.

Cheers,

Bill

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