High Pressure Safety Valve HVAC: Service and Repair

COMPRESSOR PRESSURE RELIEF VALVE REMOVAL

TOOLS REQUIRED
J 39400-A Halogen Leak Detector

REMOVAL PROCEDURE




1. Recover the refrigerant from the air conditioning (A/C) system. Refer to Refrigerant Recovery and Recharging.
2. Remove the high pressure relief valve (1).

IMPORTANT: Immediately cap or tape the open A/C compressor opening immediately in order to prevent system contamination.

3. Remove and discard the O-ring seal (2).
4. Cap or tape the pressure relief valve port.

INSTALLATION PROCEDURE




1. Lubricate and install the NEW O-ring seal (2). Refer to O-Ring Replacement.
2. Remove the cap or tape from the pressure relief valve port.

NOTE: Refer to Fastener Notice in Service Precautions.

3. Install the high pressure relief valve (1).

Tighten the valve to 12 N.m (106 lb in).

4. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
5. Leak test the fitting of the component using J 39400-A.