Airman (Hitachi) Zaxis 27U, 30U, 35U Excavator Technical and Workshop Manual

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File Language: English

File Pages: 1396

File Size: 34.14 MB (Speed Download Link)

Brand: Airman (Hitachi)

Model: Zaxis 27U, 30U, 35U Excavator

Type of Document: Technical and Workshop Manual

Categories: Airman, Hitachi PDF, PDF

$ 45

Airman (Hitachi) Zaxis 27U, 30U, 35U Excavator Technical and Workshop Manual

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Airman (Hitachi) Zaxis 27U, 30U, 35U Excavator Index:

INDEX
INDEX(W)
INTRODUCTION
SAFETY
SECTION 1 GENERAL INFORMATION
- Precautions for Disassembling and Assembling
  - PRECAUTIONS FOR DISASSEMBLING AND ASSEMBLING
- Tightening
  - TIGHTENING TORQUE SPECIFICATIONS
  - TORQUE CHART
  - PIPING JOINT
  - PERIODIC REPLACEMENT OF PARTS
- Painting
  - PAINTING
- Bleeding Air
  - BLEED AIR FROM HYDRAULIC OIL TANK
SECTION 2 UPPERSTRUCTURE
- Canopy
  - REMOVE AND INSTALL CANOPY
- Counterweight
  - REMOVE AND INSTALL COUNTERWEIGHT
- Pump Device
  - REMOVE AND INSTALL PUMP DEVICE
  - DISASSEMBLE PUMP DEVICE (ZAXIS27U)
  - ASSEMBLE PUMP DEVICE (ZAXIS27U)
  - DISASSEMBLE PUMP DEVICE (ZAXIS30U, ZAXIS35U)
  - ASSEMBLE PUMP DEVICE (ZAXIS30U, ZAXIS35U)
  - MAINTENANCE STANDARD
- Control Valve
  - REMOVE AND INSTALL CONTROL VALVE
  - DISASSEMBLE AND ASSEMBLE CONTROL VALVE
  - DISASSEMBLE AND ASSEMBLE BODY
  - DISASSEMBLE BOOM ANTI-DRIFT VALVE
  - ASSEMBLE BOOM ANTI-DRIFT VALVE
  - DISASSEMBLE AND ASSEMBLE SPOOL
  - DISASSEMBLE AND ASSEMBLE ARM REGENERATIVE VALVE, CHECK VALVE, AND ORIFICE
- Swing Device
  - REMOVE AND INSTALL SWING DEVICE
  - DISASSEMBLE SWING DEVICE
  - ASSEMBLE SWING DEVICE
  - DISASSEMBLE SWING MOTOR
  - ASSEMBLE SWING MOTOR
  - MAINTENANCE STANDARD
- Pilot Valve
  - REMOVE AND INSTALL PILOT VALVE
  - REMOVE AND INSTALL FRONT PILOT VALVE
  - REMOVE AND INASTALL TRAVEL PILOT VALVE
  - REMOVE AND INSTALL BLADE PILOT VALVE
  - REMOVE AND INSTALL BOOM SWING PILOT VALVE
  - DISASSEMBLE FRONT PILOT VALVE
  - ASSEMBLE FRONT PILOT VALVE
  - DISASSEMBLE TRAVEL PILOT VALVE
  - ASSEMBLE TRAVEL PILOT VALVE
  - DISASSEMBLE BOOM SWING PILOT VALVE
  - ASSEMBLE BOOM SWING PILOT VALVE
  - DISASSEMBLE BLADE PILOT VALVE
  - ASSEMBLE BLADE PILOT VALVE
- Solenoid Valve
  - REMOVE AND INSTALL SOLENOID VALVE
  - DISASSEMBLE SOLENOID VALVE (ZAXIS27U)
  - ASSEMBLE SOLENOID VALVE (ZAXIS27U)
  - DISASSEMBLE SOLENOID VALVE (ZAXIS30U, 35U)
  - ASSEMBLE SOLENOID VALVE (ZAXIS30U, 35U)
SECTION 3 UNDERCARRIAGE
- Swing Bearing
  - REMOVE AND INSTALL SWING BEARING
- Travel Device
  - REMOVE AND INSTALL TRAVEL DEVICE
  - DISASSEMBLE TRAVEL DEVICE
  - ASSEMBLE TRAVEL DEVICE
  - DISASSEMBLE TRAVEL MOTOR (ZAXIS27U)
  - ASSEMBLE TRAVEL MOTOR (ZAXIS27U)
  - DISASEMBLE BRAKE VALVE (ZAXIS27U)
  - ASSEMBLE BRAKE VALVE (ZAXIS27U)
  - DISASSEMBLE TRAVEL MOTOR (ZAXIS30U, 35U)
  - ASSEMBLE TRAVEL MOTOR (ZAXIS30U, 35U)
  - DISASSEMBLE AND ASSEMBLE BRAKE VALVE (ZAXIS30U, 35U)
  - MAINTENANCE STANDARD
- Center Joint
  - REMOVE AND INSTALL CENTER JOINT
  - DISASSEMBLE CENTER JOINT
  - ASSEMBLE CENTER JOINT
- Track Adjuster
  - REMOVE AND INSTALL TRACK ADJUSTER
  - DISASSEMBLE TRACK ADJUSTER
  - ASSEMBLE TRACK ADJUSTER
- Front Idler
  - REMOVE AND INSTALL FRONT IDLER
  - DISASSEMBLE AND ASSEMBLE FRONT IDLER
  - MAINTENANCE STANDARD
- Lower Roller
  - REMOVE AND INSTALL LOWER ROLLER
  - DISASSEMBLE AND ASSEMBLE LOWER ROLLER
  - MAINTENANCE STANDARD
- Track
  - REMOVE AND INSTALL TRACKS
  - MAINTENANCE STANDARD
SECTION 4 FRONT ATTACHMENT
- Front Attachment
  - HYDRAULIC CIRCUIT PRESSURE RELEASE PROCEDURE
  - REMOVE AND INSTALL FRONT ATTACHMENT
  - MAINTENANCE STANDARD
  - STANDARD DIMENSIONS FOR ARM AND BUCKET CONNECTION
- Cylinder
  - HYDRAULIC CIRCUIT PRESSURE RELEASE PROCEDURE
  - REMOVE AND INSTALL CYLINDER
  - DISASSEMBLE BOOM CYLINDER
  - ASSEMBLE BOOM CYLINDER
  - DISASSEMBLE ARM CYLINDER
  - ASSEMBLE ARM CYLINDER
  - DISASSEMBLE BUCKET CYLINDER
  - ASSEMBLE BUCKET CYLINDER
  - DISASSEMBLE BOOM SWING CYLINDER
  - ASSEMBLE BOOM SWING CYLINDER
  - DISASSEMBLE BLADE CYLINDER
  - ASSEMBLE BLADE CYLINDER
  - MAINTENANCE STANDARD
- SECTION 5 ENGINE
- General Information
  - GENERAL REPAIR INSTRUCTIONS
  - NOTES ON THE FORMAT OF THIS MANUAL
  - APPEARANCE
  - MAIN DATA AND SPECIFICATIONS
  - TIGHTENING TORQUE SPECIFICATIONS
  - ANGULAR NUT AND BOLT TIGHTENING METHOD
  - TIGHTENING TORQUE ON MAJOR COMPONENTS
  - GASKET LOCATION
  - MAINTENANCE
  - RECOMMENDED LUBRICATING OIL
- Engine
  - GENERAL VIEW OF ENGINE
  - DISASSEMBLY
  - INSPECTION AND REPAIR
  - REASSEMBLY
- Lubricating System
  - LUBRICATING OIL CIRCULATION SYSTEM DIAGRAM
  - OIL PUMP
- Cooling System
  - COOLING WATER CIRCULATION SYSTEM DIAGRAM
  - WATER PUMP
  - THERMOSTAT
- Fuel System
  - FUEL CIRCULATION SYSTEM DIAGRAM
  - GOVERNOR
  - NOZZLE HOLDER ASSEMBLY
- Troubleshooting
- Special Tools
- Service Standard
- Conversion Table
  - LENGTH
  - AREA
  - VOLUME
  - MASS
  - PRESSURE
  - TORQUE
  - TEMPERATURE
SERVICE MANUAL REVISION REQUEST FORM

INDEX
INDEX(W)
INTRODUCTION
SAFETY
SECTION 1 GENERAL INFORMATION
- Precautions for Disassembling and Assembling
  - PRECAUTIONS FOR DISASSEMBLING AND ASSEMBLING
- Tightening
  - TIGHTENING TORQUE SPECIFICATIONS
  - TORQUE CHART
  - PIPING JOINT
  - PERIODIC REPLACEMENT OF PARTS
- Painting
  - PAINTING
- Bleeding Air
  - BLEED AIR FROM HYDRAULIC OIL TANK
SECTION 2 UPPERSTRUCTURE
- Canopy
  - REMOVE AND INSTALL CANOPY
- Counterweight
  - REMOVE AND INSTALL COUNTERWEIGHT
- Pump Device
  - REMOVE AND INSTALL PUMP DEVICE
  - DISASSEMBLE PUMP DEVICE (ZAXIS27U)
  - ASSEMBLE PUMP DEVICE (ZAXIS27U)
  - DISASSEMBLE PUMP DEVICE (ZAXIS30U, ZAXIS35U)
  - ASSEMBLE PUMP DEVICE (ZAXIS30U, ZAXIS35U)
  - MAINTENANCE STANDARD
- Control Valve
  - REMOVE AND INSTALL CONTROL VALVE
  - DISASSEMBLE AND ASSEMBLE CONTROL VALVE
  - DISASSEMBLE AND ASSEMBLE BODY
  - DISASSEMBLE BOOM ANTI-DRIFT VALVE
  - ASSEMBLE BOOM ANTI-DRIFT VALVE
  - DISASSEMBLE AND ASSEMBLE SPOOL
  - DISASSEMBLE AND ASSEMBLE ARM REGENERATIVE VALVE, CHECK VALVE, AND ORIFICE
- Swing Device
  - REMOVE AND INSTALL SWING DEVICE
  - DISASSEMBLE SWING DEVICE
  - ASSEMBLE SWING DEVICE
  - DISASSEMBLE SWING MOTOR
  - ASSEMBLE SWING MOTOR
  - MAINTENANCE STANDARD
- Pilot Valve
  - REMOVE AND INSTALL PILOT VALVE
  - REMOVE AND INSTALL FRONT PILOT VALVE
  - REMOVE AND INASTALL TRAVEL PILOT VALVE
  - REMOVE AND INSTALL BLADE PILOT VALVE
  - REMOVE AND INSTALL BOOM SWING PILOT VALVE
  - DISASSEMBLE FRONT PILOT VALVE
  - ASSEMBLE FRONT PILOT VALVE
  - DISASSEMBLE TRAVEL PILOT VALVE
  - ASSEMBLE TRAVEL PILOT VALVE
  - DISASSEMBLE BOOM SWING PILOT VALVE
  - ASSEMBLE BOOM SWING PILOT VALVE
  - DISASSEMBLE BLADE PILOT VALVE
  - ASSEMBLE BLADE PILOT VALVE
- Solenoid Valve
  - REMOVE AND INSTALL SOLENOID VALVE
  - DISASSEMBLE SOLENOID VALVE (ZAXIS27U)
  - ASSEMBLE SOLENOID VALVE (ZAXIS27U)
  - DISASSEMBLE SOLENOID VALVE (ZAXIS30U, 35U)
  - ASSEMBLE SOLENOID VALVE (ZAXIS30U, 35U)
SECTION 3 UNDERCARRIAGE
- Swing Bearing
  - REMOVE AND INSTALL SWING BEARING
- Travel Device
  - REMOVE AND INSTALL TRAVEL DEVICE
  - DISASSEMBLE TRAVEL DEVICE
  - ASSEMBLE TRAVEL DEVICE
  - DISASSEMBLE TRAVEL MOTOR (ZAXIS27U)
  - ASSEMBLE TRAVEL MOTOR (ZAXIS27U)
  - DISASEMBLE BRAKE VALVE (ZAXIS27U)
  - ASSEMBLE BRAKE VALVE (ZAXIS27U)
  - DISASSEMBLE TRAVEL MOTOR (ZAXIS30U, 35U)
  - ASSEMBLE TRAVEL MOTOR (ZAXIS30U, 35U)
  - DISASSEMBLE AND ASSEMBLE BRAKE VALVE (ZAXIS30U, 35U)
  - MAINTENANCE STANDARD
- Center Joint
  - REMOVE AND INSTALL CENTER JOINT
  - DISASSEMBLE CENTER JOINT
  - ASSEMBLE CENTER JOINT
- Track Adjuster
  - REMOVE AND INSTALL TRACK ADJUSTER
  - DISASSEMBLE TRACK ADJUSTER
  - ASSEMBLE TRACK ADJUSTER
- Front Idler
  - REMOVE AND INSTALL FRONT IDLER
  - DISASSEMBLE AND ASSEMBLE FRONT IDLER
  - MAINTENANCE STANDARD
- Lower Roller
  - REMOVE AND INSTALL LOWER ROLLER
  - DISASSEMBLE AND ASSEMBLE LOWER ROLLER
  - MAINTENANCE STANDARD
- Track
  - REMOVE AND INSTALL TRACKS
  - MAINTENANCE STANDARD
SECTION 4 FRONT ATTACHMENT
- Front Attachment
  - HYDRAULIC CIRCUIT PRESSURE RELEASE PROCEDURE
  - REMOVE AND INSTALL FRONT ATTACHMENT
  - MAINTENANCE STANDARD
  - STANDARD DIMENSIONS FOR ARM AND BUCKET CONNECTION
- Cylinder
  - HYDRAULIC CIRCUIT PRESSURE RELEASE PROCEDURE
  - REMOVE AND INSTALL CYLINDER
  - DISASSEMBLE BOOM CYLINDER
  - ASSEMBLE BOOM CYLINDER
  - DISASSEMBLE ARM CYLINDER
  - ASSEMBLE ARM CYLINDER
  - DISASSEMBLE BUCKET CYLINDER
  - ASSEMBLE BUCKET CYLINDER
  - DISASSEMBLE BOOM SWING CYLINDER
  - ASSEMBLE BOOM SWING CYLINDER
  - DISASSEMBLE BLADE CYLINDER
  - ASSEMBLE BLADE CYLINDER
  - MAINTENANCE STANDARD
- SECTION 5 ENGINE
- General Information
  - GENERAL REPAIR INSTRUCTIONS
  - NOTES ON THE FORMAT OF THIS MANUAL
  - APPEARANCE
  - MAIN DATA AND SPECIFICATIONS
  - TIGHTENING TORQUE SPECIFICATIONS
  - ANGULAR NUT AND BOLT TIGHTENING METHOD
  - TIGHTENING TORQUE ON MAJOR COMPONENTS
  - GASKET LOCATION
  - MAINTENANCE
  - RECOMMENDED LUBRICATING OIL
- Engine
  - GENERAL VIEW OF ENGINE
  - DISASSEMBLY
  - INSPECTION AND REPAIR
  - REASSEMBLY
- Lubricating System
  - LUBRICATING OIL CIRCULATION SYSTEM DIAGRAM
  - OIL PUMP
- Cooling System
  - COOLING WATER CIRCULATION SYSTEM DIAGRAM
  - WATER PUMP
  - THERMOSTAT
- Fuel System
  - FUEL CIRCULATION SYSTEM DIAGRAM
  - GOVERNOR
  - NOZZLE HOLDER ASSEMBLY
- Troubleshooting
- Special Tools
- Service Standard
- Conversion Table
  - LENGTH
  - AREA
  - VOLUME
  - MASS
  - PRESSURE
  - TORQUE
  - TEMPERATURE
SERVICE MANUAL REVISION REQUEST FORM

INDEX
INDEX(T/M)
INTRODUCTION
SAFETY
SECTION 1 GENERAL
- Specifications
  - SPECIFICATIONS
  - WORKING RANGES
- Component Layout
  - MAIN COMPONENTS
  - ELECTRICAL SYSTEM
  - RELAYS
  - MONITOR AND SWITCHES
  - SOLENOID VALVE UNIT
- Component Specifications
  - ENGINE
  - ENGINE ACCESSORIES
  - HYDRAULIC COMPONENT
  - FILTER
  - ELECTRICAL COMPONENT
SECTION 2 SYSTEM
- Hydraulic System
  - OUTLINE
  - PILOT CIRCUIT
  - MAIN CIRCUIT
- Electrical System
  - OUTLINE
  - POWER CIRCUIT (KEY SWITCH OFF)
  - INDICATOR LIGHT CHECK CIRCUIT/ ACCESSORY CIRCUIT (KEY SWITCH : ON)
  - PREHEATING CIRCUIT (KEY SWITCH:ON)
  - STARTING CIRCUIT (KEY SWITCH : START POSITION)
  - CHARGING CIRCUIT (KEY SWITCH : ON)
  - ENGINE STOP CIRCUIT (KEY SWITCH OFF)
SECTION 3 COMPONEN OPERATION
- Pump Device
  - OUTLINE
  - MAIN PUMP (P1, P2)
  - MAIN PUMP (P3), PILOT PUMP (P4) (ZAXIS30U, 35U)
  - PILOT PUMP (P4) (ZAXIS27U)
  - HORSE POWER CONTROL OPERATION
- Swing Device
  - OUTLINE
  - SWING MOTOR
  - PARKING BRAKE
  - VALVE UNIT
  - SWING REDUCTION GEAR
- Control Valve
  - OUTLINE
  - HYDRAULIC CIRCUIT
  - ARM REGENERATIVE VALVE
  - BOOM ANTI-DRIFT VALVE
  - FLOW COMBINER VALVE
  - FLOW COMBINING SELECTOR VALVE
  - MAIN RELIEF VALVE
  - OVERLOAD RELIEF VALVE
  - MAKE-UP VALVE
- Pilot Valve
  - OUTLINE
  - OPERATION
- Travel Device
  - OUTLINE
  - TRAVEL MOTOR
  - PARKING BRAKE
  - TRAVEL BRAKE VALVE
  - TRAVEL REDUCTION GEAR
- Others (Upperstructure)
  - SOLENOID VALVE UNIT
  - PILOT RELIEF VALVE
- Others (Undercarriage)
  - SWING BEARING
  - CENTER JOINT
  - TRACK ADJUSTER
SECTION 4 OPERATIONAL PERFORMANCE TEST
- Introduction
  - OPERATIONAL PERFORMANCE TEST
  - PREPARATION FOR PERFORMANCE TESTS
- Standard
  - OPERATIONAL PERFORMANCE STANDARD
- Engine Test
  - ENGINE SPEED
  - ENGINE COMPRESSION PRESSURE
  - VALVE CLEARANCE
  - NOZZLE CHECK
  - INJECTION TIMING
- Excavator Test
  - TRAVEL SPEED
  - TRACK REVOLUTION SPEED
  - MISTRACK CHECK
  - TRAVEL MOTOR LEAKAGE
  - SWING SPEED
  - SWING FUNCTION DRIFT CHECK
  - SWING MOTOR LEAKAGE
  - MAXIMUM SWINGABLE SLANT ANGLE
  - SWING BEARING PLAY
  - HYDRAULIC CYLINDER CYCLE TIME
  - DIG FUNCTION DRIFT
  - CONTROL LEVER OPERATING FORCE
  - CONTROL LEVER STROKE
  - COMBINED BOOM RAISE/SWING FUNCTION CHECK
- Component Test
  - PRIMARY PILOT PRESSURE
  - SECONDARY PILOT PRESSURE
  - MAIN RELIEF VALVE SET PRESSURE
  - OVERLOAD RELIEF VALVE SET PRESSURE
  - PUMP DRIVING TORQUE
  - SWING MOTOR DRAINAGE
  - TRAVEL MOTOR DRAINAGE
- Adjustment
  - ENGINE SPEED CONTROL LEVER ADJUSTMENT
SECTION 5 TROUBLESHOOTING
- Diagnosing Procedure
  - INTRODUCTION
  - DIAGNOSING PROCEDURE
- Troubleshooting A
  - TROUBLESHOOTING A PROCEDURE (DIAGNOSIS OF MACHINE BY SYMPTOM)
  - ENGINE SYSTEM TROUBLESHOOTING
  - ACTUATOR OPERATING SYSTEM TROUBLESHOOTING
  - FRONT ATTATCHMENT SYSTEM TROUBLESHOOTING
  - SWING SYSTEM TROUBLESHOOTING
  - TRAVEL SYSTEM TROUBLESHOOTING
  - BLADE SYSTEM TROUBLESHOOTING
  - BOOM SWING SYSTEM TROUBLESHOOTING
  - HOW TO LOWER BOOM WHEN ENGINE STOPS
- Troubleshooting B
  - TROUBLESHOOTING B PROCEDURE (DIAGNOSIS OF MONITOR)
  - MALFUNCTION OF COOLANT TEMPERATURE GAUGE
  - MULFUNCTION OF FUEL GAUGE
  - MALFUNCTION OF ALTERNATOR INDICATOR
  - MALFUNCTION OF ENGINE OIL PRESSURE INDICATOR
  - MALFUNCTION OF OVERHEAT INDICATOR
  - MALFUNCTION OF FUEL LEVEL INDICATOR
  - MALFUNCTION OF BUZZER
  - MALFUNCTION OF HOUR METER
- Electrical System Inspection
  - PRECAUTIONS FOR INSPECTION AND MAINTENANCE
  - FUSE CONTINUITY TEST
  - BATTERY VOLTAGE CHECK
  - VOLTAGE CHECK
  - CONTINUITY CHECK
SERVICE MANUAL REVISION REQUEST FORM

INDEX
INDEX(T/M)
INTRODUCTION
SAFETY
SECTION 1 GENERAL
- Specifications
  - SPECIFICATIONS
  - WORKING RANGES
- Component Layout
  - MAIN COMPONENTS
  - ELECTRICAL SYSTEM
  - RELAYS
  - MONITOR AND SWITCHES
  - SOLENOID VALVE UNIT
- Component Specifications
  - ENGINE
  - ENGINE ACCESSORIES
  - HYDRAULIC COMPONENT
  - FILTER
  - ELECTRICAL COMPONENT
SECTION 2 SYSTEM
- Hydraulic System
  - OUTLINE
  - PILOT CIRCUIT
  - MAIN CIRCUIT
- Electrical System
  - OUTLINE
  - POWER CIRCUIT (KEY SWITCH OFF)
  - INDICATOR LIGHT CHECK CIRCUIT/ ACCESSORY CIRCUIT (KEY SWITCH : ON)
  - PREHEATING CIRCUIT (KEY SWITCH:ON)
  - STARTING CIRCUIT (KEY SWITCH : START POSITION)
  - CHARGING CIRCUIT (KEY SWITCH : ON)
  - ENGINE STOP CIRCUIT (KEY SWITCH OFF)
SECTION 3 COMPONEN OPERATION
- Pump Device
  - OUTLINE
  - MAIN PUMP (P1, P2)
  - MAIN PUMP (P3), PILOT PUMP (P4) (ZAXIS30U, 35U)
  - PILOT PUMP (P4) (ZAXIS27U)
  - HORSE POWER CONTROL OPERATION
- Swing Device
  - OUTLINE
  - SWING MOTOR
  - PARKING BRAKE
  - VALVE UNIT
  - SWING REDUCTION GEAR
- Control Valve
  - OUTLINE
  - HYDRAULIC CIRCUIT
  - ARM REGENERATIVE VALVE
  - BOOM ANTI-DRIFT VALVE
  - FLOW COMBINER VALVE
  - FLOW COMBINING SELECTOR VALVE
  - MAIN RELIEF VALVE
  - OVERLOAD RELIEF VALVE
  - MAKE-UP VALVE
- Pilot Valve
  - OUTLINE
  - OPERATION
- Travel Device
  - OUTLINE
  - TRAVEL MOTOR
  - PARKING BRAKE
  - TRAVEL BRAKE VALVE
  - TRAVEL REDUCTION GEAR
- Others (Upperstructure)
  - SOLENOID VALVE UNIT
  - PILOT RELIEF VALVE
- Others (Undercarriage)
  - SWING BEARING
  - CENTER JOINT
  - TRACK ADJUSTER
SECTION 4 OPERATIONAL PERFORMANCE TEST
- Introduction
  - OPERATIONAL PERFORMANCE TEST
  - PREPARATION FOR PERFORMANCE TESTS
- Standard
  - OPERATIONAL PERFORMANCE STANDARD
- Engine Test
  - ENGINE SPEED
  - ENGINE COMPRESSION PRESSURE
  - VALVE CLEARANCE
  - NOZZLE CHECK
  - INJECTION TIMING
- Excavator Test
  - TRAVEL SPEED
  - TRACK REVOLUTION SPEED
  - MISTRACK CHECK
  - TRAVEL MOTOR LEAKAGE
  - SWING SPEED
  - SWING FUNCTION DRIFT CHECK
  - SWING MOTOR LEAKAGE
  - MAXIMUM SWINGABLE SLANT ANGLE
  - SWING BEARING PLAY
  - HYDRAULIC CYLINDER CYCLE TIME
  - DIG FUNCTION DRIFT
  - CONTROL LEVER OPERATING FORCE
  - CONTROL LEVER STROKE
  - COMBINED BOOM RAISE/SWING FUNCTION CHECK
- Component Test
  - PRIMARY PILOT PRESSURE
  - SECONDARY PILOT PRESSURE
  - MAIN RELIEF VALVE SET PRESSURE
  - OVERLOAD RELIEF VALVE SET PRESSURE
  - PUMP DRIVING TORQUE
  - SWING MOTOR DRAINAGE
  - TRAVEL MOTOR DRAINAGE
- Adjustment
  - ENGINE SPEED CONTROL LEVER ADJUSTMENT
SECTION 5 TROUBLESHOOTING
- Diagnosing Procedure
  - INTRODUCTION
  - DIAGNOSING PROCEDURE
- Troubleshooting A
  - TROUBLESHOOTING A PROCEDURE (DIAGNOSIS OF MACHINE BY SYMPTOM)
  - ENGINE SYSTEM TROUBLESHOOTING
  - ACTUATOR OPERATING SYSTEM TROUBLESHOOTING
  - FRONT ATTATCHMENT SYSTEM TROUBLESHOOTING
  - SWING SYSTEM TROUBLESHOOTING
  - TRAVEL SYSTEM TROUBLESHOOTING
  - BLADE SYSTEM TROUBLESHOOTING
  - BOOM SWING SYSTEM TROUBLESHOOTING
  - HOW TO LOWER BOOM WHEN ENGINE STOPS
- Troubleshooting B
  - TROUBLESHOOTING B PROCEDURE (DIAGNOSIS OF MONITOR)
  - MALFUNCTION OF COOLANT TEMPERATURE GAUGE
  - MULFUNCTION OF FUEL GAUGE
  - MALFUNCTION OF ALTERNATOR INDICATOR
  - MALFUNCTION OF ENGINE OIL PRESSURE INDICATOR
  - MALFUNCTION OF OVERHEAT INDICATOR
  - MALFUNCTION OF FUEL LEVEL INDICATOR
  - MALFUNCTION OF BUZZER
  - MALFUNCTION OF HOUR METER
- Electrical System Inspection
  - PRECAUTIONS FOR INSPECTION AND MAINTENANCE
  - FUSE CONTINUITY TEST
  - BATTERY VOLTAGE CHECK
  - VOLTAGE CHECK
  - CONTINUITY CHECK
SERVICE MANUAL REVISION REQUEST FORM