HVAC HVAC B. FLUSHING OF AC SYSTEM........................................................................................................ 50 C. REPLENISHING COMPRESSOR OIL......................................................................................... 51 D. PRESSURE TEST USING MANIFOLD GAUGES....................................................................... 52 10.3 ON VEHICLE REPAIRS.............................................................................................. 54 10.3.1 CONTROL PANEL ASSEMBLY ................................................................................................... 54 10.3.2 COMPRESSOR............................................................................................................................ 54 10.3.3 FRONT HVAC UNIT ..................................................................................................................... 55 10.3.4 ROOF AC UNIT ............................................................................................................................ 56 10.3.5 HEATER HOSE................................................................................................................. 56 10.3.6 BLOWER(FRONT HVAC UNIT) ................................................................................................. 58 10.3.7 BLOWER CONTROL MODULE ................................................................................................... 58 10.3.8 PRESSURE SWITCH................................................................................................................... 59 10.3.9 CONDENSER............................................................................................................................... 59 10.3.10 REFRIGERANT HOSES/PIPES................................................................................................... 60 10.3.11 FRONT AC DUCTING .................................................................................................................. 61 10.3.12 CONDENSER SEALING DUCT ................................................................................................... 62 10.3.13. RECEIVER DRIER BOTTLE ........................................................................................................ 62 10.4 OVERHAULING.......................................................................................................... 63 10.4.1 BLOWER ...................................................................................................................................... 63 10.4.2 FRONT HVAC UNIT ..................................................................................................................... 65 10.4.3 ROOF AC...................................................................................................................................... 72 10.4.4 COMPRESSOR............................................................................................................................ 74 10.4.5 DO’S AND DONT’S FOR A/C SYSTEM ....................................................................................... 77
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