HYDRAULIC EXCAVATOR PC300-8M2 PC300LC-8M2 PC350-8M2 PC350LC-8M2 Shop Manual

00 INDEX AND FOREWORD
INDEX
ABBREVIATION LIST
FOREWORD, SAFETY, BASIC INFORMATION
01 SPECIFICATION
CONTENTS
SPECIFICATIONS
10 STRUCTURE AND FUNCTION
CONTENTS
BOOT-UP SYSTEM
ENGINE SYSTEM
COOLING SYSTEM
CONTROL SYSTEM
HYDRAULIC SYSTEM
WORK EQUIPMENT SYSTEM
SWING SYSTEM
TRAVEL SYSTEM
UNDERCARRIAGE AND FRAME
WORK EQUIPMENT
CAB RELATED PARTS
20 STANDARD VALUE TABLE
CONTENTS
STANDARD VALUE TABLE FOR ENGINE
STANDARD VALUE TABLE FOR MACHINE
30 TESTING AND ADJUSTING
CONTENTS
RELATED INFORMATION ON TESTING AND ADJUSTING
ENGINE AND COOLING SYSTEM
POWER TRAIN
UNDERCARRIAGE AND FRAME
HYDRAULIC SYSTEM
CAB RELATED PARTS
ELECTRICAL SYSTEM
Pm-CLINIC
40 TROUBLESHOOTING
CONTENTS
RELATED INFORMATION FOR TROUBLESHOOTING
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE)
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE)
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE)
TROUBLESHOOTING OF ENGINE (S-MODE)
50 DISASSEMBLY AND ASSEMBLY
CONTENTS
RELATED INFORMATION ON DISASSEMBLY AND ASSEMBLY
HOW TO READ THIS MANUAL
PREPARATION
ENGINE AND COOLING SYSTEM
POWER TRAIN
UNDERCARRIAGE AND FRAME
HYDRAULIC SYSTEM
WORK EQUIPMENT
CAB RELATED PARTS
ELECTRICAL SYSTEM
60 MAINTENANCE STANDARD
CONTENTS
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD
ENGINE AND COOLING SYSTEM
POWER TRAIN
UNDERCARRIAGE AND FRAME
HYDRAULIC SYSTEM
WORK EQUIPMENT
80 OTHERS
CONTENTS
ABBREVIATION
AIR CONDITIONER SYSTEM
SYSTEM DIAGRAM OF AIR CONDITIONER
COMPONENT PARTS OF AIR CONDITIONER SYSTEM
CIRCUIT DIAGRAM AND ARRANGEMENT OF CONNECTOR PINS OF AIR CONDITIONER
INSTALLATION LOCATIONS OF AIR CONDITIONER PARTS AND ARRANGEMENT OF CONNECTORS
TEST AIR LEAKAGE (DUCT CONNECTION)
TEST AIR CONDITIONER BY SELF-DIAGNOSIS FUNCTION
TEST VENT (MODE) CHANGEOVER
TEST FRESH/RECIRC AIR CHANGEOVER
TEST SUNLIGHT SENSOR
TEST DUAL PRESSURE SWITCH
TEST RELAY
SIMPLE CHECK OF REFRIGERANT VOLUME THROUGH SIGHT GLASS
PROCEDURE FOR TROUBLE SHOOTING OF AIR CONDITIONER
INFORMATION DESCRIBED IN TROUBLESHOOTING
FAILURE CODE [879AKA]
FAILURE CODE [879AKB]
FAILURE CODE [879BKA]
FAILURE CODE [879BKB]
FAILURE CODE [879CKA]
FAILURE CODE [879CKB]
FAILURE CODE [879DKZ]
FAILURE CODE [879EMC]
FAILURE CODE [879FMC]
FAILURE CODE [879GKX]
AIR CONDITIONER DOES NOT OPERATE
DEFECTIVE COOLING
HEATER DOES NOT OPERATE
COOL AIR DOES NOT COME OUT
NO AIR COMES OUT OR AIR FLOW IS ABNORMAL
FRESH/RECIRC AIR CHANGEOVER NOT POSSIBLE
CONNECT SERVICE TOOL
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF AIR CONDITIONER PIPING
HANDLE COMPRESSOR OIL
REPLACE DESICCANT
90 CIRCUIT DIAGRAMS
CONTENTS
HOW TO READ THE CODES FOR ELECTRIC CABLE
HYDRAULIC CIRCUIT DIAGRAM
ELECTRICAL CIRCUIT DIAGRAM
INDEX