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INDEX
MAINTENANCE STANDARD OF MAIN PUMP.............................................................................. 60-30
MAINTENANCE STANDARD OF PC-EPC VALVE......................................................................... 60-32
MAINTENANCE STANDARD OF TRAVEL MOTOR ...................................................................... 60-33
MAINTENANCE STANDARD OF CONTROL VALVE..................................................................... 60-36
MAINTENANCE STANDARD OF WORK EQUIPMENT AND SWING PPC VALVE ....................... 60-47
MAINTENANCE STANDARD OF TRAVEL PPC VALVE ................................................................ 60-50
MAINTENANCE STANDARD OF 1ST-LINE ATTACHMENT PPC VALVE (WITH EPC VALVE)...... 60-53
MAINTENANCE STANDARD OF 2ND-LINE ATTACHMENT PPC VALVE ..................................... 60-56
MAINTENANCE STANDARD OF SOLENOID VALVE.................................................................... 60-58
MAINTENANCE STANDARD OF ATTACHMENT CIRCUIT SELECTOR VALVE (FOR HIGH PRES-
SURE) ........................................................................................................................................ 60-59
MAINTENANCE STANDARD OF ATTACHMENT CIRCUIT SELECTOR VALVE (FOR LOW PRES-
SURE) ........................................................................................................................................ 60-60
MAINTENANCE STANDARD OF CENTER SWIVEL JOINT .......................................................... 60-61
WORK EQUIPMENT............................................................................................................................. 60-62
MAINTENANCE STANDARD OF WORK EQUIPMENT LINKAGE................................................. 60-62
MAINTENANCE STANDARD OF BOOM CYLINDER .................................................................... 60-71
MAINTENANCE STANDARD OF ARM CYLINDER ....................................................................... 60-72
MAINTENANCE STANDARD OF BUCKET CYLINDER................................................................. 60-73
80 APPENDIX................................................................................................................................................ 80-1
CONTENTS ............................................................................................................................................ 80-2
ABBREVIATION LIST ............................................................................................................................. 80-4
AIR CONDITIONER SYSTEM ................................................................................................................ 80-9
PRECAUTIONS FOR REFRIGERANT ............................................................................................ 80-9
AIR CONDITIONER COMPONENT ............................................................................................... 80-10
SPECIFICATIONS OF AIR CONDITIONER ................................................................................... 80-12
CONFIGURATION AND FUNCTION OF REFRIGERATION CYCLE ............................................. 80-13
OUTLINE OF REFRIGERATION CYCLE ....................................................................................... 80-14
COMPONENT PARTS OF AIR CONDITIONER SYSTEM .................................................................... 80-16
AIR CONDITIONER UNIT.............................................................................................................. 80-16
COMPONENT PARTS OF AIR CONDITIONER UNIT.................................................................... 80-20
AIR CONDITIONER CONTROLLER .............................................................................................. 80-24
COMPRESSOR ............................................................................................................................. 80-25
CONDENSER ................................................................................................................................ 80-26
SENSORS FOR AIR CONDITIONER SYSTEM............................................................................. 80-28
EXPLANATION OF PROCEDURE FOR TESTING AND TROUBLESHOOTING OF AIR CONDITIONER......
.......................................................................................................................................................... 80-30
CIRCUIT DIAGRAM AND ARRANGEMENT OF CONNECTOR PINS FOR AIR CONDITIONER ......... 80-32
AIR CONDITIONER SYSTEM DIAGRAM ............................................................................................. 80-34
INPUT AND OUTPUT SIGNALS OF AIR CONDITIONER CONTROLLER .................................... 80-35
INSTALLATION LOCATIONS OF AIR CONDITIONER PARTS AND ARRANGEMENT OF CONNECTORS ..
.......................................................................................................................................................... 80-37
TESTING AIR LEAKAGE (DUCT)......................................................................................................... 80-41
METHOD FOR TESTING AIR LEAKAGE (DUCT) ......................................................................... 80-41
TESTING AIR CONDITIONER USING SELF-DIAGNOSIS FUNCTION................................................ 80-43
HOW TO OPEN THE ELECTRICAL SYSTEM ABNORMALITY RECORD SCREEN IN SERVICE MODE
OF THE MACHINE MONITOR .......................................................................................................... 80-44
TEST VENT (MODE) CHANGEOVER .................................................................................................. 80-45
METHOD FOR TESTING VENT (MODE) CHANGEOVER ............................................................ 80-45
TESTING FRESH/RECIRC AIR CHANGEOVER.................................................................................. 80-47
METHOD FOR TESTING FRESH/RECIRC AIR CHANGEOVER .................................................. 80-47
TEST SUNLIGHT SENSOR.................................................................................................................. 80-48
METHOD FOR TESTING SUNLIGHT SENSOR............................................................................ 80-48
TEST (DUAL) PRESSURE SWITCH FOR REFRIGERANT.................................................................. 80-49
METHOD FOR TESTING (DUAL) PRESSURE SWITCH FOR REFRIGERANT............................ 80-49
TEST RELAYS...................................................................................................................................... 80-50
METHOD FOR TESTING RELAYS ................................................................................................ 80-50
AIR CONDITIONER TROUBLESHOOTING CHART 1 ......................................................................... 80-51
00-16
00 INDEX AND FOREWORD
PC170LC-11
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