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Refrigerant Line: Replacement

  1. DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM 
  2. REPLACE FAULTY TUBE OR HOSE 
    NOTE: Cap the open fittings immediately to keep moisture or dirt out of the system.
  3. TORQUE CONNECTIONS TO SPECIFIED TORQUE 
    NOTE: Connections should not be torqued tighter than the specified torque.
    TIGHTENING TORQUE SPECIFICATION

    Part tightened N.m kgf.cm ft.lbf
    Condenser x Discharge tube 5.4 55 48 in.lbf
    Condenser x Liquid tube 5.4 55 48 in.lbf
    Compressor x Discharge hose 9.8 100 87 in.lbf
    Compressor x Suction hose 9.8 100 87 in.lbf
    Expansion valve x Evaporator 3.5 36 31 in.lbf
  4. EVACUATE AIR IN REFRIGERATION SYSTEM AND CHARGE WITH REFRIGERANT 

    Specified amount: 500 +/- 50 g (17.64 +/- 1.76 oz.) 

  5. INSPECT FOR LEAKAGE OF REFRIGERANT 

    Using a gas leak detector, check for leakage of refrigerant.

  6. INSPECT AIR CONDITIONER OPERATION 
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