An R-12 to R-134a Conversion Procedure Is Being Discussed

question 66

Multiple Choice

An R-12 to R-134a conversion procedure is being discussed. Technician A says leak-test the system and conduct a performance test prior to removing the R-12. Technician B says leak-test the system and conduct a performance test after charging the system with R-134a. Who is correct?

• A)A only
• B)B only
• C)both A and B
• D)neither A nor B

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