LEAK DETECTION ......................................................................................................................59 II. REGULAR MAINTENANCE ...............................................................................................................59 B. REFRIGERANT RECOVERY, RECYCLING AND RECHARGING..............................................59 I. FLUSHING OF AC SYSTEM .......................................................................................................60 II. REPLENISHING COMPRESSOR OIL ........................................................................................61 III. PRESSURE TEST USING MANIFOLD GAUGES ......................................................................62 IV. FATC
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