RECEIVER (See page AC-22) ON-VEHICLE INSPECTION CHECK SIGHT GLASS, FUSIBLE PLUG AND FITTINGS FOR LEAKAGE Use a gas leak tester. Repair as necessary. REMOVAL OF RECEIVER 1. DISCHARGE REFRIGERATION SYSTEM (See page AC-12) 2. DISCONNECT TWO LIQUID LINE TUBES FROM RECEIVER NOTE: Cap the open fittings immediately to keep moisture out of the system. 3. REMOVE RECEIVER FROM RECEIVER HOLDER INSTALLATION OF RECEIVER 1. INSTALL RECEIVER IN RECEIVER HOLDER NOTE: Do not remove blind plugs until ready for connection. 2. CONNECT TWO LIQUID LINE TUBES TO RECEIVER Torque: 135 kg-cm (10 ft-lb, 13 N-m) 3. IF RECEIVER IS REPLACED, ADD COMPRESSOR OIL TO COMPRESSOR Add 10 — 20 cc (0.3 — 0.7 fl. oz.) 4. EVACUATE, CHARGE AND TEST REFRIGERATION SYSTEM (See page AC-12) COOLING UNIT (See page AC-22) ON-VEHICLE INSPECTION OF EXPANSION VALVE 1. CONNECT MANIFOLD GAUGE TO COMPRESSOR 2. CHECK EXPANSION VALVE OPERATION (a) Run the engine at fast idle with the air conditioning on. (b) Check that reading on the low pressure is between 0.5 — 5.0 kg/cm² (7 — 71 psi, 49 — 490 kPa). If the reading is too low, check and replace the expansion valve and/or receiver. If the reading is too high, tighten the remote valve holders and/or replace the expansion valve.