7B
Major Components of A/C System
For M13 Engine Model
1. Cooling unit 4. Receiver/dryer 7. Condenser outlet pipe 18. Low pressure service valve
2. Compressor 5. Discharge hose 8. Expansion valve 19. High pressure service valve
3. Condenser assembly 6. Suction hose 17. Dual pressure switch    
For K9K Engine Model
1. Cooling unit 5. Refrigerant pressure sensor 15. Liquid pipe No.2 19. Cooling unit inlet pipe
2. A/C evaporator 6. Receiver/dryer 16. Suction hose 20. Low pressure service valve
3. Expansion valve 7. Condenser assembly 17. Liquid pipe No.1    
4. Heater unit 8. Compressor 18. Discharge hose