TIAGO

HVAC 35 Step Inspection Action 7 Inspect refrigerant amount Inspect refrigerant amount. See refrigerant system ser- vice procedures, refrigerant charge check Is it okay? Yes Go to Step 10. No Go to next step. 8 Inspect refrigerant line In- spect refrigerant lines.  Is piping free of damage and cracks?  Are piping connections free of oil grime? (Visual Inspection)  Are piping connections free of gas leakage?  Are piping installation points on condense free of gas leakage?  Are piping installation points on receiver/drier free of gas leakage?  Are piping installation pints on A/C Compressor free of gas leakage?  Are piping installation points on cooling unit free of gas leakage.  Perform gas leak inspec- tion using gas leak tester. Are above items okay? Yes Go to next step. No If piping or A/C component (s) is damaged or cracked, replace then go to Step 19.If there is gas leakage, repair or replace connection and replace condenser, then go Step 19. 9 Inspect evaporator piping connections in cooling unit for gas leakage Are piping connections for evaporator in cooling unit free of gas leakage? Yes Adjust refrigerant amount to specified level, then go to Step 19. No If piping damaged or cracked, replace then go to Step 19. If there is gas leakage, repair or replace connec- tion and replace condenser then go to Step 19. 10 Verify whether malfunction is in compressor oil or else- where Add 30 ml of compressor oil. Is noise heard when racing engine? Yes Go to next step. No Troubleshooting completed. Explain repair to customer.