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1B-14 AIR CONDITIONING O-rings must be closely aligned with raised portion of re- Insert nut into union. First tighten nut by hand as much Leak at Refrigerant Line Connections 1. Check the torque on the refrigerant line fitting and, if too loose, tighten to the specified torque. • Use two wrenches to prevent twisting and damage to the Line. • Do not over tighten. 2. Perform a leak test on the refrigerant line fitting. refrigerant from the system. 4. Replace the O-rings. • O-rings cannot be reused. Always replace with new ones. • Be sure to apply specified compressor oil to the new O-rings. 5. Retighten the refrigerant line fitting to the specified torque. • Use two wrenches to prevent twisting and damage to the line. 6. Evacuate, charge and retest the system. Leak in The Hose If the compressor inlet or outlet hose is leaking, the en- 1. Locate the leak. • Cap the open connections at once. 4. Connect the new hose assembly. • Use two wrenches to prevent twisting or damage to the hose fitting. Legend 1. O-ring N1A0064E N1A0065E Legend 1. Union N1A0066E |