FATC 9. CONDENSER AND RECEIVER DRIER................................................................................ 18 10. CHILLER UNIT ..................................................................................................................... 18 11. COOLANT PUMP ................................................................................................................. 18 12. FATC SENSORS AND ACTUATORS................................................................................... 19 A. EVAPORATOR SENSOR ............................................................................................. 19 B. ON VEHICLE INSPECTION (WITHOUT DISMANTLING HVAC UNIT)......................... 19 C. LINEAR PRESSURE SENSOR (LPS) .......................................................................... 20 D. OAT SENSOR .............................................................................................................. 21 E. IN-CAR SENSOR ......................................................................................................... 22 F. AIR INLET ACTUATOR ................................................................................................ 22 G. BLOWER CONTROL MODULE ................................................................................... 22 13. TROUBLESHOOTING .......................................................................................................... 24 14. MAINTAINANCE................................................................................................................... 34 A. PRELIMINARY INSPECTION .................................................................................................. 34 I. AC SYSTEM PERFORMANCE TEST ....................................................................................... 34 II. OPEN DOOR TEST.................................................................................................................. 35 III. CLOSE DOOR TEST............................................................................................................... 36 IV. LEAK DETECTION.................................................................................................................. 37 B. REGULAR MAINTAINANCE ................................................................................................... 37 I. REFRIGERANT RECOVERY, RECYCLING AND RECHARGING ............................................ 37 II. RECOVERY AND RECYCLING ............................................................................................... 38 III. EVACUATION AND RECHARGING ........................................................................................ 38 IV. FLUSHING OF AC SYSTEM................................................................................................... 38 V. REPLENISHING COMPRESSOR OIL ..................................................................................... 39 VI. PRESSURE TEST USING MANIFOLD GAUGES ................................................................... 40
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