A/C Service Tips and Precautions

COMPONENT REPLACEMENT
1. Always disconnect the negative cable from the battery whenever replacing air conditioning parts.
2. Keep moisture and dirt out of the system. When disconnecting any lines, plug or cap the fittings immediately; don't remove the caps or plugs until just before you reconnect each line.
3. Before connecting any hose or line, apply a few drops of refrigerant oil to the 0-ring.
4. When tightening or loosening a fitting, use a second wrench to support the matching fitting.
5. When discharging the system, use a Refrigerant Recovery/Recycling System; don't release refrigerant into the atmosphere.
6. Add refrigerant oil (Nippondenso: ND OIL 6, Hadsys: HERMETIC 9OPX) after replacing the following parts; (see specifications for quantities)
- Condenser
- Evaporator
- Line or hose
- Receiver/Dryer
- Compressor