HYDRAULIC EXCAVATOR PC750-7 PC800-7 Shop Manual

MAIN MENU
COVER
CONTENTS
SAFETY
SAFETY NOTICE
FOREWORD
GENERAL
HOW TO READ THE SHOP MANUAL
HOISTING INSTRUCTIONS
METHOD OF DISASSEMBLING, CONNECTING PUSH-PULL TYPE COUPLER
COATING MATERIALS
STANDARD TIGHTENING TORQUE
ELECTRIC WIRE CODE
CONVERSION TABLE
UNITS
01 GENERAL
SPECIFICATION DRAWINGS
SPECIFICATIONS
WEIGHT TABLE
FUEL, COOLANT AND LUBRICANTS
10 STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
PTO
PTO LUBRICATION SYSTEM
POWER TRAIN
SWING MACHINERY
SWING CIRCLE
FINAL DRIVE
SPROCKET
TRACK FRAME AND RECOIL SPRING
IDLER
CARRIER ROLLER
TRACK ROLLER
TRACK SHOE
MOTOR GREASE PUMP
HYDRAULIC TANK
HYDRAULIC PUMP
RETURN OIL FILTER
LINE OIL FILTER
PILOT OIL FILTER
DRAIN OIL FILTER
L.H. 5 SPOOL CONTROL VALVE
R.H. 4 SPOOL CONTROL VALVE
STRAIGHT TRAVEL VALVE
SWING MOTOR
CENTER SWIVEL JOINT
TRAVEL MOTOR
PPC CONTROL RELIEF VALVE
PPC ACCUMULATOR
VALVE CONTROL
WORK EQUIPMENT, SWING PPC VALVE
TRAVEL PPC VALVE
SOLENOID VALVE
HYDRAULIC CYLINDER
WORK EQUIPMENT
DIMENSIONS OF WORK EQUIPMENT
AIR CONDITIONER
ENGINE CONTROL
MACHINE CONTROL SYSTEM
MONITOR SYSTEM
SENSORS
20 TESTING AND ADJUSTING
STANDARD VALUE TABLE FOR ENGINE
STANDARD VALUE TABLE FOR CHASSIS
TESTING AND ADJUSTING
TROUBLESHOOTING
30 DISASSEMBLY AND ASSEMBLY
METHOD OF USING MANUAL
PRECAUTIONS WHEN CARRYING OUT OPERATION
SPECIAL TOOL LIST
REMOVAL AND INSTALLATION OF AFTERCOOLER CORE
REMOVAL AND INSTALLATION OF FAN GUARD, RADIATOR AND HYDRAULIC OIL COOLER ASSEMBLY
REMOVAL AND INSTALLATION OF FUEL COOLER AND AIR CONDITIONER CONDENSER ASSEMBLY
REMOVAL AND INSTALLATION OF FUEL TANK ASSEMBLY
REMOVAL AND INSTALLATION OF ENGINE, PTO AND HYDRAULIC PUMP ASSEMBLY
REMOVAL AND INSTALLATION OF PTO ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF PTO ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF FINAL DRIVE ASSEMBLY
REMOVAL AND INSTALLATION OF REVOLVING FRAME ASSEMBLY
REMOVAL AND INSTALLATION OF SWING MACHINERY ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF SWING MACHINERY ASSEMBLY
REMOVAL AND INSTALLATION OF SWING CIRCLE ASSEMBLY
REMOVAL AND INSTALLATION OF TRACK SHOE ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF ONE LINK IN FIELD
REMOVAL AND INSTALLATION OF IDLER ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF IDLER ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF IDLER ADJUSTMENT CYLINDER ASSEMBLY
REMOVAL AND INSTALLATION OF RECOIL SPRING ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF RECOIL SPRING ASSEMBLY
REMOVAL AND INSTALLATION OF CARRIER ROLLER ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF CARRIER ROLLER ASSEMBLY
REMOVAL AND INSTALLATION OF TRACK ROLLER ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF TRACK ROLLER ASSEMBLY
REMOVAL AND INSTALLATION OF HYDRAULIC TANK ASSEMBLY
REMOVAL AND INSTALLATION OF MAIN PUMP (NO. 1 PUMP) ASSEMBLY
REMOVAL AND INSTALLATION OF MAIN PUMP (NO. 2 PUMP)
REMOVAL AND INSTALLATION OF MAIN PUMP INPUT SHAFT OIL SEAL
REMOVAL AND INSTALLATION OF CONTROL AND PTO LUBRICATION PUMP ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF MAIN RELIEF VALVE ASSEMBLY
REMOVAL AND INSTALLATION OF CONTROL VALVE ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF CONTROL VALVE ASSEMBLY (WORK EQUIPMENT)
REMOVAL AND INSTALLATION OF SOLENOID VALVE ASSEMBLY
REMOVAL AND INSTALLATION OF BOOM DAMPING VALVE ASSEMBLY
REMOVAL AND INSTALLATION OF SWING MOTOR ASSEMBLY
REMOVAL AND INSTALLATION OF CENTER SWIVEL JOINT
DISASSEMBLY AND ASSEMBLY OF CENTER SWIVEL JOINT ASSEMBLY
REMOVAL AND INSTALLATION OF TRAVEL MOTOR ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF WORK EQUIPMENT PPC VALVE ASSEMBLY
DISASSEMBLY AND ASSEMBLY OF TRAVEL PPC VALVE ASSEMBLY
REMOVAL AND INSTALLATION OF BUCKET CYLINDER ASSEMBLY (BACKHOE)
REMOVAL AND INSTALLATION OF BUCKET CYLINDER ASSEMBLY (LOADING SHOVEL)
REMOVAL AND INSTALLATION OF ARM CYLINDER ASSEMBLY (BACKHOE)
REMOVAL AND INSTALLATION OF ARM CYLINDER ASSEMBLY (LOADING SHOVEL)
REMOVAL AND INSTALLATION OF BOOM CYLINDER ASSEMBLY (BACKHOE)
REMOVAL AND INSTALLATION OF BOOM CYLINDER ASSEMBLY(LOADING SHOVEL)
REMOVAL AND INSTALLATION OF BOTTOM DUMP CYLINDER ASSEMBLY (LOADING SHOVEL)
DISASSEMBLY AND ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY
REMOVAL AND INSTALLATION OF BUCKET ASSEMBLY (BACKHOE)
REMOVAL AND INSTALLATION OF BUCKET ASSEMBLY (LOADING SHOVEL)
REMOVAL AND INSTALLATION OF ARM ASSEMBLY (BACKHOE)
REMOVAL AND INSTALLATION OF ARM ASSEMBLY (LOADING SHOVEL)
REMOVAL AND INSTALLATION OF BOOM ASSEMBLY (BACKHOE)
REMOVAL AND INSTALLATION OF BOOM ASSEMBLY (LOADING SHOVEL)
REMOVAL AND INSTALLATION OF WORK EQUIPMENT (BACKHOE)
REMOVAL AND INSTALLATION OF WORK EQUIPMENT (LOADING SHOVEL)
REMOVAL AND INSTALLATION OF OPERATOR’S CAB ASSEMBLY
REMOVAL AND INSTALLATION OF OPERATOR’S CAB GLASS (STUCK GLASS)
REMOVAL AND INSTALLATION OF FRONT WINDOW ASSEMBLY
REMOVAL AND INSTALLATION OF COUNTERWEIGHT ASSEMBLY
90 OTHERS
HYDRAULIC CIRCUIT DIAGRAM
HYDRAULIC CIRCUIT DIAGRAM
ELECTRICAL CIRCUIT DIAGRAM (1/6)
ELECTRICAL CIRCUIT DIAGRAM (2/6)
ELECTRICAL CIRCUIT DIAGRAM (3/6)
ELECTRICAL CIRCUIT DIAGRAM (4/6)
ELECTRICAL CIRCUIT DIAGRAM (5/6)
ELECTRICAL CIRCUIT DIAGRAM (6/6)