TIGOR EV_ZIPTRON_SERVICE MANUAL

FATC H. PTC HEATER ................................................................................................................... 30 20. REFRIGERANT HOSES / PIPES.......................................................................................... 31 21. DO’S AND DONT’S .............................................................................................................. 32 22. TROUBLESHOOTING .......................................................................................................... 33 23. MAINTAINANCE................................................................................................................... 46 23.1. PRELIMINARY INSPECTION....................................................................................... 46 A. AC SYSTEM PERFORMANCE TEST........................................................................... 46 B. LEAK DETECTION ....................................................................................................... 48 23.2. REGULAR MAINTAINANCE........................................................................................ 49 A. REFRIGERANT RECOVERY, RECYCLING AND RECHARGING................................ 49 B. FLUSHING OF AC SYSTEM ........................................................................................ 49 C. REPLENISHING COMPRESSOR OIL .......................................................................... 50 D. PRESSURE TEST USING MANIFOLD GAUGES......................................................... 51