Refrigerant Handling

- Before attempting any service which requires opening of refrigerant lines or components, read and be thoroughly familiar with:
- HANDLING REFRIGERANT - 134a
- HANDLING REFRIGERANT LINES AND FITTINGS
- MAINTAINING CHEMICAL STABILITY IN REFRIGERATION SYSTEM

- Very carefully follow instructions for:
- REFRIGERANT RECOVERY, RECYCLING, EVACUATING AND CHARGING (refer to ACR4 operation manual)
- ADDING REFRIGERANT OIL
- Sealing caps should be removed from sub-assemblies just prior to making connections for final assembly.
- Use a small amount of Polyalkaline Glycol (PAG) refrigerant oil on all tube and hose joints.
- Use new O-rings dipped in new PAG refrigerant oil when reassembling joints.