R134a Easy to Use Instruction
1)Check the automobile's manual to ensure it's operating with R134A.
2)Turn the air conditioner on.
3)Connect to LOW PRESSURE service port and wait 5 minutes while the system is running.
4)Check the gauge for the actual pressure running in the system
ALWAYS USE THE TANK UPSIDE DOWN
GREEN. System does not have enough
refrigerant and is not running at peak performance.
Note: always keep the tank with the outlet facing down
Push the button down for 2-3 seconds at a time and recheck the gauge before continuing
BLUE. System has the correct amount of refrigerant and is running at peak performance.
NO ACTION REQUIRED
YELLOW. System has an excess of refrigerant and is probably not running properly
RED. System shows major problems and a full service is required.
STOP RUNNING THE SYSTEM TO AVOID MORE DAMAGES