If the compressor oil has been drained and it shows signs of metallic particles, all of the following should be done, EXCEPT:
A. The entire system should be flushed.
B. The receiver-drier or accumulator should be replaced after flushing.
C. All system inlet screens should be cleaned after flushing.
D. A full charge of heavier refrigeration oil should be added after flushing.
Answer: D
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