Question about Ingersoll Rand Type 30 Reciprocating Air Compressor 5 Hp, 80 Gallon, 230 Volt 3 Phase, Model# 2340N5

2 Answers

The air compressor won't come up to speed when first starting and keeps blowing the breaker however after several attempts it will eventually work fine

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  • mrbill68 Oct 03, 2009

    is their any way that I can trouble shoot this down schematics with voltages or something. the pump doesn't make any noises and the engine was replaced before I bought it because it was having the same problem

  • mrbill68 Oct 03, 2009

    How do I identify it and where do I get a replacement

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Sounds like your start capacitor has failed. It's job is to "kick start" the motor to keep it from bogging down and doing exactly what your is doing.

Posted on Oct 03, 2009

  • Richard Scordino Oct 03, 2009

    Funny, I should know exactly what the test is but after doing a few a
    long time ago, and then over the years, just changing them because the
    symptoms are pretty much all the same, I can't remember. The capacitor
    is usually located under a half round cover most times on the side
    towards the back on the motor housing. depending upon the size of the
    motor, the capacitor is usually about one inch in diameter and about
    three inches long though some aren't perfectly cylindrical. if still
    charged, it can knock you on your **** so be careful working with it.
    Most carry a part number right on them and many are available from any
    electric motor rebuilder.


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Without being there to test it with the meter i can't say for sure but from my experience when a motor is starting to go bad. meaning it has a worn spot on the armature of the windings it will cause a excessive draw and make the fuse blow. now why it may be working after several attempts is because it is heating up and metal expands when hot and stops the increased draw because the clearance has shrunk because of the expansion of the metal.

also the compressor engine(air pump) may be causing it because it is starting to bind up and after several attempts it losen enough that the motor can keep it turning. but i would think you would hear a noise coming from it if so.

to check if that is the issue you need to tke of the belt from motor to air pump and spin the air pumps pulley to see if there is eccessive drag on it.

if so you will need to find out why the air pump is binding by checking the crank and rod and piston(s).

let me know if you hve any more question! good luck

Posted on Oct 02, 2009

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