Precautions When Replacing Parts in Refrigerant line

1. RECOVER REFRIGERANT IN SYSTEM BEFORE REMOVING PARTS

Using a recovery machine, recover refrigerant in system before removing the parts. NOTICE: Do not release refrigerant to atmosphere.

2. INSERT PLUG IMMEDIATELY IN DISCONNECTED

PARTS

Insert a plug immediately in the disconnected parts to prevent the entry of moisture and dust.

3. DO NOT REMOVE PLUG FROM NEW PARTS UNTIL

IMMEDIATELY BEFORE INSTALLATION

4. DO NOT USE BURNER FOR BENDING OR

LENGTHENING OPERATIONS ON TUBE If the tubes are heated with a burner, a layer of oxidation forms inside the tube, causing the same kind of trouble as an accumulation of dust.

5. DISCHARGE GAS IN NEW COMPRESSOR FROM

CHARGING VALVE BEFORE INSTALLING IT If the gas in new compressor is not discharged first, compressor oil will spray out with gas when the plug is removed.

6. TIGHTEN CONNECTING PARTS SECURELY

Securely tighten the connecting parts to prevent leaking of refrigerant gas.

• Apply a few drops of compressor oil to 0-ring fittings for easy tightening and to prevent leaking of refrigerant gas.

• Tighten the nuts using two wrenches to avoid twisting the tube.

• Tighten the 0-ring fittings or the bolted type fittings to the specified torque.

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