94734 start capacitor burned up/caught fire

by Mike M
(Baltimore, MD)

I have a model 94734 air compressor.


The other day the start capacitor burned up/caught fire.

Can just replace capacitor, if so, where can I find?

Is it a symptom of a larger issue?

Thank You

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Aug 22, 2018
Capacitor burned up/caught fire
by: Doug in s.d.ca.

"Is it a symptom of a larger issue?"

Possibly. If you are certain it's the start capacitor, look for a set of contacts at the end of the armature. If they are welded together, that may be the cause.

If not, probably just replace the cap, and if it then starts, check that those contacts have opened. If not that's the larger issue. Turn it back off ASAP.

If it's actually the run cap, just replace it.

You can google for the part. Here's some help:

https://www.about-air-compressors.com/what-capacitor-does-my-compressor-need.html

Good luck.

Aug 22, 2018
Capacitors
by: Anonymous

Not necessarily, capacitors just weaken with time.

Just make sure to replace with the same voltage ( or higher)

And same capacity... or higher.

Also should note if its polarized.... and wire it up like it was

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