Air Conditioning Compressor Oil Balancing
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Air Conditioning Compressor Oil Balancing
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1.
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Note
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Drain and measure as much of the refrigerant oil as possible from the rear head ports of the REMOVED compressor.
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Drain the refrigerant oil from the crankcase and rear head ports into a clean, graduated container.
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2.
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Rotate the compressor shaft to assist in draining the compressor.
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3.
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Measure and record the amount of oil drained from the removed compressor.
This measurement will be used during installation of the replacement compressor.
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5.
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Properly discard the used refrigerant oil.
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6.
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Clean the graduated cylinder.
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7.
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Note
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Drain and measure as much of the refrigerant oil as possible from the rear head ports of the NEW compressor.
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Drain bolt and drain the refrigerant oil from the crankcase and rear head ports into a clean, graduated container.
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8.
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Rotate the compressor shaft to assist in draining the compressor.
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1.
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Note
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The refrigerant oil in the A/C system must be balanced during compressor replacement.
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The replacement compressor is shipped with the total system capacity of refrigerant oil.
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Refer to the amount of refrigerant oil recorded during the compressor removal.
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2.
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If the amount of oil recorded from the removed compressor is less than or equal to 75 ml (2.5 fl. oz), add 75 ml of the new PAG oil back into the new compressor through the compressor suction port.
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3.
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If the amount of oil recorded from the removed compressor is greater than 75 ml (2.5 fl. oz), add the equivalent amount of the new PAG oil back into the new compressor through the compressor suction port.
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4.
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Rotate the clutch driver three times to lubricate the internal compressor components.
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5.
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Note
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If additional A/C components are replaced during compressor replacement, add the PAG oil directly to the A/C compressor to compensate the A/C system.
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If necessary, refer to
Refrigerant System Specifications
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