Compressor HVAC: Testing and Inspection
(Compressor)1. INSTALL MANIFOLD GAUGE SET
2. START ENGINE
3. INSPECT COMPRESSOR FOR METALLIC SOUND
Check that there is a metallic sound from the compressor when the A/C switch is turn on.
If metallic sound is heard, replace the compressor assembly.
4. INSPECT PRESSURE OF REFRIGERATION SYSTEM
See - Refrigerant System Inspection with Manifold Gauge Set.
5. STOP ENGINE
6. INSPECT VISUALLY FOR LEAKAGE OF REFRIGERANT FROM SAFETY SEAL
If there is any leakage, replace the compressor assembly.