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00 INDEX AND FOREWORD
WORK EQUIPMENT............................................................................................................................. 60-64
MAINTENANCE STANDARD OF CIRCLE AND DRAWBAR.......................................................... 60-64
MAINTENANCE STANDARD OF BLADE ...................................................................................... 60-66
MAINTENANCE STANDARD OF LIFTER...................................................................................... 60-68
MAINTENANCE STANDARD OF CIRCLE ROTATION GEAR ....................................................... 60-69
MAINTENANCE STANDARD OF BLADE LIFT CYLINDER ........................................................... 60-70
MAINTENANCE STANDARD OF BLADE SIDE SHIFT CYLINDER ............................................... 60-71
MAINTENANCE STANDARD OF LEANING CYLINDER................................................................ 60-72
MAINTENANCE STANDARD OF ARTICULATE CYLINDER ......................................................... 60-73
MAINTENANCE STANDARD OF DRAWBAR SIDE SHIFT CYLINDER......................................... 60-74
MAINTENANCE STANDARD OF BLADE POWER TILT CYLINDER ............................................. 60-75
80 APPENDIX................................................................................................................................................ 80-1
CONTENTS ............................................................................................................................................ 80-2
ABBREVIATION LIST ............................................................................................................................. 80-4
AIR CONDITIONER SYSTEM .............................................................................................................. 80-10
PRECAUTIONS FOR REFRIGERANT .......................................................................................... 80-10
AIR CONDITIONER COMPONENT ................................................................................................80-11
SPECIFICATIONS OF AIR CONDITIONER ................................................................................... 80-15
CONFIGURATION AND FUNCTION OF REFRIGERATION CYCLE ............................................. 80-16
OUTLINE OF REFRIGERATION CYCLE ....................................................................................... 80-17
COMPONENT PARTS OF AIR CONDITIONER SYSTEM .................................................................... 80-19
AIR CONDITIONER UNIT.............................................................................................................. 80-19
COMPONENT PARTS OF AIR CONDITIONER UNIT.................................................................... 80-22
COMPRESSOR ............................................................................................................................. 80-24
CONDENSER ................................................................................................................................ 80-25
RECEIVER DRIER......................................................................................................................... 80-26
EXPLANATION OF PROCEDURE FOR TESTING AND TROUBLESHOOTING OF AIR CONDITIONER......
.......................................................................................................................................................... 80-27
CIRCUIT DIAGRAM AND ARRANGEMENT OF CONNECTOR PINS FOR AIR CONDITIONER ......... 80-29
AIR CONDITIONER SYSTEM DIAGRAM ............................................................................................. 80-31
INPUT AND OUTPUT SIGNALS OF AIR CONDITIONER CONTROL PANEL............................... 80-32
INSTALLATION LOCATIONS OF AIR CONDITIONER PARTS AND ARRANGEMENT OF CONNECTORS ..
.......................................................................................................................................................... 80-35
TESTING AIR LEAKAGE (DUCT)......................................................................................................... 80-40
METHOD FOR TESTING AIR LEAKAGE (DUCT) ......................................................................... 80-40
TESTING AIR CONDITIONER USING SELF-DIAGNOSIS FUNCTION................................................ 80-42
CHECK TEMPERATURE CONTROL FUNCTION ................................................................................ 80-44
METHOD FOR CHECKING TEMPERATURE CONTROL FUNCTION .......................................... 80-44
TESTING FRESH/RECIRC AIR CHANGEOVER.................................................................................. 80-45
METHOD FOR TESTING FRESH/RECIRC AIR CHANGEOVER .................................................. 80-45
TEST EVAPORATOR TEMPERATURE SENSOR ................................................................................ 80-46
METHOD FOR CHECKING EVAPORATOR TEMPERATURE SENSOR ....................................... 80-46
TEST RELAYS...................................................................................................................................... 80-47
METHOD FOR TESTING RELAYS ................................................................................................ 80-47
CHECK BLOWER AMP ........................................................................................................................ 80-49
METHOD FOR CHECKING BLOWER AMP .................................................................................. 80-49
AIR CONDITIONER TROUBLESHOOTING CHART 1 ......................................................................... 80-51
AIR CONDITIONER TROUBLESHOOTING CHART 2 ......................................................................... 80-52
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE........................................................... 80-55
A-1 TROUBLESHOOTING FOR POWER SUPPLY SYSTEM (AIR CONDITIONER DOES NOT OPERATE).
.......................................................................................................................................................... 80-57
A-2 TROUBLESHOOTING FOR COMPRESSOR AND REFRIGERANT SYSTEM (AIR IS NOT COOLED)...
.......................................................................................................................................................... 80-60
A-3 TROUBLESHOOTING FOR BLOWER MOTOR SYSTEM (NO AIR COMES OUT OR AIR FLOW IS
ABNORMAL) ..................................................................................................................................... 80-63
A-4 TROUBLESHOOTING FOR TEMPERATURE CONTROL FUNCTION .......................................... 80-66
A-5 TROUBLESHOOTING FOR FRESH/RECIRC AIR CHANGEOVER............................................... 80-69
A-6 TROUBLESHOOTING FOR HOT WATER CUT VALVE ................................................................. 80-72
GD655-6, GD675-6
INDEX
00-17
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