Question about Ingersoll Rand Compressors 5-HP, 80-Gallon, Triple Stage Rota

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ROTARY SCREW COMPRESSOR TRIPPING

Sirs, My Inger soll Rand made rotary screw compressor (oil lubricated type) tripped without any significant reason. Within 10 minutes the operator started the compressor, andit tripped again showing high load on the motor. What could be the reason? kindly help

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Possibly water in the air tank ? Or Ice covering the inlet or screen into the tank? DOes it have a belt? or direct drive? Remove the belt and try to turn by hand. See if its the motor or the compressor is tight. If it rolls free possible a chack valve is hung up or has a broken spring OR yuo have a bad capicator or centrifical sw going to the start capicator. Check amp draw with no pressure on the compressor. tank open. If it runs extra time its somethign while under load. If it still cuts out you need to sepperate and discover if its a mechanical or electrical problem.
HOPE THIS HELPS PLEASE RATE ME ACCORDINGLY AND GOOD LUCK 

Posted on Mar 03, 2009

  • Farley Redfield
    Farley Redfield Mar 03, 2009

    OH I see another possibility. You ahave lost one of your stages. U say its 3 stage and turns faster than normal... the stages aer where the air leaves i area and enters the next and is compressed futher then the 2nd area and is compressed to the 3rd. One of the stages (I suspect a gasket or valve or a spring operating one stage or 2 is open. Suspecting the 2nd stage as it could allow a faster speed at startup then as the unit continues to run too long from not reaching the cut off pressure it ober loads. IF THIS HELPS PLEASE GRADE ME ACCORDINGLY and good luck.

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