A/C System General Servicing
- Using R-12 Refrigerant
- Sight Glass Indicators
- System Service Valves
- Use Manifold Gauge Set
- Pressure Gauge Indications
- Notes
- Excessive Moisture
- Defective Thermostatic Switch
- MISADJUSTED Thermostatic Switch Or Defective Clutch Cycling Switch
- Low R-12 Charge
- Very Low R-12 Charge
- Orifice Tube Plugged
- Expansion Or "H" Valve Stuck Closed
- Expansion Or "H" Valve Stuck Open
- Compressor Malfunction
- Condenser Malfunction Or R-12 Overcharge
- Orifice Tube Replacement
- Discharging A/C System
- Flushing A/C System
- Evacuating A/C System
- Charging A/C System
- Leak Testing
- R-12 & Oil Capacity Table