atlas copco zr 275 trips on low oil pressure

by pankaj dwivedi
(anpara,u.p ,india)

i have atlas copco air compressor model no zr 275 and its trip on low oil pressure


compressor trip on low oil pressure after 2 to 3 min running ,we have replace the oil filter change the old oil but still problem comes

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Aug 06, 2018
atlas copco zr 275 low oil pressure
by: Doug in s.d.ca.

I'm not sure where the sensor is, it might be affected by the clogged rad (did you check?) or maybe the bypass valve not opening fully.

And, of course, if the pressure *is* low, could be the pump.

And if it isn't, either the sensor is bad or the controller limits are incorrect.

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