12.20 Service tools ...................................................12-48
12.20.1 Safety and safety tools .........................................12-48
12.20.2 Air conditioning system service tools ..............................12-48
12.20.3 Inspection & maintenance without gauges ..........................12-52
12.20.4 Performance inspection ........................................12-54
12.20.5 Heater system inspection .......................................12-55
12.21 Service procedures .............................................12-57
12.21.1 Manifold gauge set installation ...................................12-57
12.21.2 Troubleshooting by manifold gauge set readings ......................12-58
12.21.3 Review of frequent problem areas ................................12-65
12.22 Refrigerants ...................................................12-67
12.22.1 Description and properties of refrigerants ...........................12-67
12.22.2 Changes in service procedures ...................................12-67
12.22.3 Recovering and recycling refrigerant ...............................12-67
12.22.4 Evacuating and charging air conditioning system ......................12-70
12.23 Component repair or replacement ...............................12-72
12.23.1 Hoses and fittings ............................................12-72
12.23.2 Lines ......................................................12-72
12.23.3 Expansion valves .............................................12-72
12.23.4 Expansion tubes .............................................12-72
12.23.5 Receiver-dryer and accumulator ..................................12-73
12.23.6 Compressor and clutch ........................................12-73
12.23.7 Servicing compressor ..........................................12-73
12.24 HVAC specifications ............................................12-74
12.24.1 Refrigerant compressor ........................................12-74
12.25 Troubleshooting ...............................................12-76
12.25.1 Troubleshooting preparation .....................................12-76
12.25.2 General troubleshooting ........................................12-76
12.25.3 Visual inspection .............................................12-77
12.25.4 Troubleshooting faults with service codes (active) .....................12-77
12.25.5 Leak checking ...............................................12-82
12.25.6 Oil level measurement (in vehicle) ................................12-82
12.25.7 Troubleshooting A/C control .....................................12-86
12.25.8 HVAC control system variations ..................................12-88
12.25.8.1 Binary and trinary switch .................................12-88
12.25.9 Refrigerant .................................................12-90
12.25.9.1 Refrigerant recovery ....................................12-90
12.25.9.2 Install manifold gauge set (refrigerant) .......................12-91
12.25.9.3 Evacuate refrigerant system ..............................12-91
12.25.9.4 Flush refrigerant system .................................12-94
12.25.9.5 Refrigerant leakage test .................................12-94
12.25.9.6 Refrigerant compressor oil check ...........................12-95
12.25.9.7 Charge refrigerant system ................................12-96
12.25.9.8 Complete charge of system from a refrigerant tank with a scale ....12-99
12.25.9.9 Adding additional refrigerant to a system with low charge ........12-101
12.25.9.10 Remove manifold gauge set (refrigerant) ...................12-102
12.25.10 Sunlight sensor test .........................................12-102
12.25.11 Control panel test ...........................................12-103
13 Decals .................................................................13-1
13.1 Safety and maintenance sign location .............................13-3
14 Wheels .................................................................14-1
14.1 Removing the wheels ............................................14-3
14.2 Adjusting the Wheel Toe-In and Toe-Out ..........................14-4
Table of contents
RoGator 600C
644410-1
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