Service Port HVAC: Service and Repair

Valve Core Tool:

- Unscrew cap (1).
- Screw on valve core remover (2).

Valve Core Tool:

- Open shutoff valve (1).
- Unscrew valve core with valve turner (2).

Valve Core Tool:

- Pull back valve turner (2) with valve core.
- Close shutoff valve (1).

Valve Core Tool:

- Unscrew coupling nut (3) and remove valve turner (2) with valve core (4).

Valve Core ID:

- Refrigerant-proof valve cores can be identified by the transparent seal (1).