Air Conditioning System: Charging

HINT:

When handling the charging cylinder, always follow the directions given in the instruction manual.

1. Charge the proper amount of refrigerant into the charging cylinder.
2. Connect the center hose to the charging cylinder.
   CAUTION: Do not open both high and low hand valves of manifold gauge set.
3. Open the valve of charging cylinder.
4. Press the valve core on the side of manifold gauge and expel the air inside of the center hose.
   Fig 1: Installing Charging Cylinder

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Open the high pressure hand valve and charge refrigerant.
2. When the low pressure gauge indicates 98 kPa (1 kgf/cm² , 14 psi) close the high pressure hand valve.
3. Using a gas leak detector, check the system for leakage.

   If leak is found, repair the faulty component or connection.

   CAUTION: Use the refrigerant recovery/recycling machine to recover the refrigerant whenever replacing parts.
   Fig 2: Checking System For Leakage Using Gas Leak Detector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

When handling the charging cylinder, always follow the directions given in the instruction manual.

1. Charge the proper amount of refrigerant into the charging cylinder.
2. Connect the center hose to the charging cylinder.
   CAUTION: Do not open both high and low hand valves of manifold gauge set.
3. Open the valve of charging cylinder.
4. Press the valve core on the side of manifold gauge and expel the air inside of the center hose.

   A fully charged system is indicated by the sight glass being free of any bubbles.

   Fig 3: Installing Charging Cylinder

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Close both hand valves of manifold gauge set.
2. Disconnect the quick disconnect adapters from the service valves.