Original Illustrated Factory Operating and Maintenance Instructions for Hitachi Hydraulic Excavator Type Zaxis 450-3.
Original factory manuals for Hitachi Excavator Mashines, contains high quality images, circuit diagrams and instructions to help you to operate and repair your truck. All Manuals Printable and contains Searchable Text
Covered models:
 450-3
 450LC-3
 470H-3
 470LCH-3
 500LC-3
 520LCH-3
Format: PDF, 383 Pages
Language: English
Contents:
 MACHINE NUMBERS
 SAFETY
  Recognize Safety Information 
  Understand Signal Words 
  Follow Safety Instructions 
  Prepare for Emergencies 
  Wear Protective Clothing 
  Protect Against Noise 
  Inspect Machine 
  General Precautions for Cab 
  Use Handholds and Steps 
  Adjust the Operators Seat 
  Ensure Safety Before Rising from or 
   Leaving Operators Seat 
  Fasten Your Seat Belt 
  Move and Operate Machine Safely 
  Handle Starting Aids Safely 
  Operate Only from Operators Seat 
  Jump Starting 
  Keep Riders Off Machine 
  Precautions for Operations 
  Investigate Job Site Beforehand 
  Equipment of Head Guard, Rops, Fops
  Provide Signals for Jobs Involving 
   Multiple Numbers of Machines 
  Confirm Direction of Machine to Be Driven 
  Drive Machine Safely 
  Avoid Injury from Rollaway Accidents 
  Avoid Injury from Back-over and Swing Accidents 
  Keep Person Clear from Working Area 
  Never Position Bucket Over Anyone 
  Avoid Undercutting 
  Avoid Tipping 
  Never Undercut a High Bank 
  Dig with Caution 
  Operate with Caution 
  Avoid Power Lines 
  Precautions for Lightening 
  Object Handling 
  Protect Against Flying Debris 
  Park Machine Safely 
  Handle Fluids Safely−avoid Fires 
  Transport Safely 
  Practice Safe Maintenance 
  Warn Others of Service Work 
  Support Machine Properly 
  Stay Clear of Moving Parts 
  Prevent Parts from Flying 
  Store Attachments Safely 
  Prevent Burns 
  Replace Rubber Hoses Periodically 
  Avoid High-pressure Fluids 
  Prevent Fires 
  Evacuating in Case of Fire 
  Beware of Exhaust Fumes 
  Precautions for Welding and Grinding 
  Avoid Heating Near Pressurized Fluid Lines 
  Avoid Applying Heat to Lines Containing 
   Flammable Fluids 
  Remove Paint Before Welding or Heating 
  Beware of Asbestos Dust 
  Prevent Battery Explosions 
  Service Air Conditioning System Safely 
  Handle Chemical Products Safely 
  Dispose of Waste Properly 
 SSAFETY SIGNS/Europe/Asia/Middle and 
   Near East Model Only
 SAFETY SIGNS/North America and Oceania 
   Model Only
 COMPONENTS NAME
 OPERATORS STATION
  Getting On / Off the Machine 
  Cab Features 
  Multi Function Monitor 
  Outline 
   Menu Screen (23) 
   Hour Meter 
   Fuel Gauge 
   Clock 
   Back Monitor Selector 
   Menu Key 
   Optional Function Key 
   Return to Basic Screen Key 
   Alarm Light 
   Optional Function Display 
   Coolant Temperature Gauge 
   Operating Status Icon Display 
  Alarm Occurrence Screen 
  Contents of Alarms 
  Clock Setting 
  Attachment Selection (Only Machines Equipped with Optional Parts) 
  Pump 2 Flow Rate Adjustment (Only Machines Equipped with Optional Parts) 
  Displaying Operating Conditions 
  Fuel Rate Display/No Display 
  Back Monitor Settings 
  Maintenance Settings 
  Mail (Optional) 
  Language Settings 
  Switch Panel 
  Engine Control Dial 
  Auto-idle Switch 
  Power Mode Switch 
  Travel Mode Switch 
  Work Light Switch 
  Wiper/Washer Switch 
  Switch Panel (Optional Included) 
  Fan Rotating Direction Device(Optional) 
  Key Switch 
  Power Boost Switch 
  Horn Switch 
  Cigar Lighter 
  Cab Light 
  Installing Fire Extinguisher (Optional) 
  Pilot Control Shut-off Lever 
  Engine Stop Switch 
  Fuse Box 
  Additional Fuse Box 
  Air Conditioner Operation 
  Auto Air Conditioner 
  Cab Heater Operation 
  Cooling Operation 
  Defroster Operation 
  Tips for Optimal Air Conditioner Usage 
  AM/FM Radio Operation
  Digital Clock Setting Procedure 
  Cab Door Release Lever 
  Opening Upper Front Window (ZAXIS450-3, 450LC-3, 500LC-3) 
  Closing Upper Front Window 
  Removing and Storing Lower Front Window (ZAXIS450-3, 450LC-3, 500LC-3) 
  Opening Side Windows 
  Opening/closing Overhead Window (ZAXIS450-3, 450LC-3, 500LC-3) 
  Opening/closing Overhead Window 
  Emergency Exit(ZAXIS450-3, 450LC-3, 500LC-3) 
  Emergency Exit(ZAXIS470H-3, 470LCH-3, 520LCH-3) 
  Adjusting the Seat 
  Adjusting the Seat (Heater Seat Optional) 
  Seat With a Built-in Heater 
  Adjusting the Air-suspension Seat (Optional) 
  Seat With a Built-in Heater 
  Adjusting Console Height 
  Seat Belt 
 BREAK-IN
  Observe Engine Operation Closely 
  Every 8 Hours or Daily 
  After the First 50 Hours 
  After the First 100 Hours 
  OPERATING the ENGINE
  Inspect Machine Daily Before Starting 
  Before Starting Engine 
  Level Check 
  Starting the Engine in Ordinary Temperature 
  Starting in Cold Weather 
  Check Instruments After Starting 
  Using Booster Batteries 
  Stopping the Engine 
 DRIVING the MACHINE
  Drive the Machine Carefully 
  Steering the Machine Using Pedals 
  Steering the Machine Using Levers 
  Travel Mode Switch 
  Travel Alarm (Optional) 
  Operating on Soft Ground 
  Raise One Track Using Boom and Arm 
  Towing Machine a Short Distance 
  Operating in Water or Mud 
  Parking the Machine on Slopes 
  Parking the Machine 
 OPERATING the MACHINE
  Control Lever (ISO Pattern) 
  Control Lever (HITACHI Pattern) 
  Pilot Control Shut-off Lever 
  Engine Speed Control 
  Auto-idle
  Work Mode 
  Work Mode Select 
  Power Boost 
  Power Mode 
  Operating Backhoe 
  Grading Operation 
  Precaution for Arm Roll-in/ Bucket Roll-in Combined Operation
  Avoid Abusive Operation 
  Operating Tips 
  Select Correct Track Shoes 
  Object Handling --- If Equipped 
  Overnight Storage Instructions 
 ASSEMBLING
  Precautions for Assembling 
  Precautions for Slinging Work 
  Precautions for Operating Machine 
  Installing Counterweight 
  Installing Boom Cylinder 
  Installing Boom 
  Connecting Hoses Between Boom Cylinder and 
   Machine 
  Installing Boom Cylinder Rod 
  Installing Arm 
  Connecting Arm Cylinder Rod 
  Connecting Bucket Cylinder Hoses 
  Installing Bucket 
  Final Inspection 
  Transporting by Road 
  Transporting the Machine by Trailer 
  Loading/Unloading on a Trailer 
  ZAXIS450-3(Backhoe) 
  ZAXIS470H-3(Backhoe)
  ZAXIS450LC-3(Backhoe)
  ZAXIS470LCH-3(Backhoe)
  ZAXIS500LCH-3(Backhoe)
  ZAXIS520LCH-3(Backhoe)
  Retracting or Extending the Side Frame
  Retracting the Side Frame
  Extending the Side Frame
 MAINTENANCE
  Correct Maintenance and Inspection Procedures
  Check the Hour Meter Regularly
  Use Correct Fuels and Lubricants
  Prepare Machine for Maintenance
  Hood and Access Covers
  Periodic Replacement Of Parts
  Maintenance Guide
  AGreasing 
   Automatic Lubrication --- If Equipped
   Front Joint Pins (Backhoe)
   Swing Bearing
   Electric Grease Gun --- If Equipped
   Swing Internal Gear
  BEngine Oil
   Engine Oil Level
  Change Engine Oil 
  Replace Engine Oil Filter
  CTransmission Oil
   Swing Reduction Gear
   Travel Reduction Gear
  DHydraulic System 
  Inspection and Maintenance of Hydraulic 
  Equipment
  Check Hydraulic Oil Level
  Drain Hydraulic Oil Tank Sump
  Change Hydraulic Oil
  Suction Filter Cleaning 
  Replace Hydraulic Oil Tank Filter
  Replace Pump Drain Filter
  Replace Pilot Oil Filter
  Replace Air Breather Element
  Check Hoses and Lines
  Service Recommendations for Hydraulic Fittings
  EFuel System 
  Drain Fuel Tank Sump
  Check Water Separator
  Replace Fuel Main Filter Element
  Replace Fuel Pre-filter Element
  Clean Feed Pump Strainer 
  Check Fuel Hoses
  FAir Cleaner
  Clean the Air Cleaner Outer Element
  Replace the Air Cleaner Outer and Inner Elements
  GCooling System
  Check Coolant Level
  Change Coolant
  Clean Radiator/ Oil Cooler/ Inter Cooler/ 
  Fuel Cooler Core
  Clean Oil Cooler Front Screen
  HAir Conditioner 
  Clean and Replace Air Conditioner 
  Filter Clean Filter
  Check Refrigerant (Gas) Quantity
  Check Compressor Belt Tension
  Clean Condenser Core
  Check Looseness at Each of Fastened Areas
  Check in-season and Off-season
  IElectrical System
  Batteries
  Replace Batteries
  Replacing Fuses
  Fuse Box
  Additional Fuse Box
  JMiscellaneous
  Check Bucket Teeth
  Change Bucket
  Adjust the Bucket Linkage (Backhoe)
  Remove the Travel Levers
  Check and Replace Seat Beltcheck
  Check Windshield Washer Fluid Level
  Check Track Sag 
  Clean Cab Floor --- As Necessary
  Check Tightening Torque of Bolts and Nuts
  Check O-rings in Bucket Joints
  Retighten Cylinder Head Bolt
  Inspect and Adjust Valve Clearance
  Check Fuel Injection Timing
  Measure Engine Compression Pressure
  Check Starter and Alternator
  Check Water Pump
 HYDRAULIC CIRCUIT AND ELECTRICAL CIRCUIT
  Hydraulic System
  Main Circuit
  Electrical Circuit
  Electrical Diagram
 MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS
  Maintenance Under Special Environmental Conditio
 STORAGE
  Storing the Machine
  Removing the Machine from Storage
 TROUBLESHOOTING
  Engine
  Electrical System
  Control Levers
  Hydraulic System
 SPECIFICATIONS
  Specifications (Backhoe)
  ZAXIS450-3, ZAXIS450LC-3, ZAXIS500LC-3
  Working Ranges (Backhoe)
  ZAXIS450-3, ZAXIS450LC-3
  ZAXIS500LC-3
  Shoe Types and Applications
  ZAXIS450-3
  ZAXIS450LC-3
  ZAXIS500LC-3
  Bucket Types and Applications (Backhoe)
  ZAXIS450-3, ZAXIS450LC-3
  ZAXIS500LC-3
  Specifications (Backhoe)
  ZAXIS470H-3, ZAXIS470LCH-3, ZAXIS520LCH-3
  Working Ranges (Backhoe)
  ZAXIS470H-3, ZAXIS470LCH-3, ZAXIS520LCH-3
  Shoe Types and Applications
  ZAXIS470H-3
  ZAXIS470LCH-3
  ZAXIS520LCH-3
  Bucket Types and Applications (Backhoe)
  ZAXIS470H-3, ZAXIS470LCH-3, ZAXIS520LCH-3
  Lifting Capacities
  Sound Level Results (2000/14/EC)
  Vibration Level
 OPTIONAL ATTACHMENTS and DEVICES
  Hydraulic Breaker
  Work Mode
  Breaker Operation
  Precautions for Breaker Operation
  Breaker Maintenance
  Replace Breaker Circuit Return Oil Filter
  Hydraulic Crusher
  Stop Valve Operation
  Three-way-valve Operation (Machines Equipped with the Piping Common to Hydraulic Breaker and Crusher Operation)
  Flow Combining Valve Operation
  Precautions for Crusher Operation
 INDEX.
             
            
            
                Original Illustrated Factory Operating and Maintenance Instructions for Hitachi Hydraulic Excavator Type Zaxis 450-3.
Original factory manuals for Hitachi Excavator Mashines, contains high quality images, circuit diagrams and instructions to help you to operate and repair your truck. All Manuals Printable and contains Searchable Text
Covered models:
 450-3
 450LC-3
 470H-3
 470LCH-3
 500LC-3
 520LCH-3
Format: PDF, 383 Pages
Language: English
Contents:
 MACHINE NUMBERS
 SAFETY
  Recognize Safety Information 
  Understand Signal Words 
  Follow Safety Instructions 
  Prepare for Emergencies 
  Wear Protective Clothing 
  Protect Against Noise 
  Inspect Machine 
  General Precautions for Cab 
  Use Handholds and Steps 
  Adjust the Operators Seat 
  Ensure Safety Before Rising from or 
   Leaving Operators Seat 
  Fasten Your Seat Belt 
  Move and Operate Machine Safely 
  Handle Starting Aids Safely 
  Operate Only from Operators Seat 
  Jump Starting 
  Keep Riders Off Machine 
  Precautions for Operations 
  Investigate Job Site Beforehand 
  Equipment of Head Guard, Rops, Fops
  Provide Signals for Jobs Involving 
   Multiple Numbers of Machines 
  Confirm Direction of Machine to Be Driven 
  Drive Machine Safely 
  Avoid Injury from Rollaway Accidents 
  Avoid Injury from Back-over and Swing Accidents 
  Keep Person Clear from Working Area 
  Never Position Bucket Over Anyone 
  Avoid Undercutting 
  Avoid Tipping 
  Never Undercut a High Bank 
  Dig with Caution 
  Operate with Caution 
  Avoid Power Lines 
  Precautions for Lightening 
  Object Handling 
  Protect Against Flying Debris 
  Park Machine Safely 
  Handle Fluids Safely−avoid Fires 
  Transport Safely 
  Practice Safe Maintenance 
  Warn Others of Service Work 
  Support Machine Properly 
  Stay Clear of Moving Parts 
  Prevent Parts from Flying 
  Store Attachments Safely 
  Prevent Burns 
  Replace Rubber Hoses Periodically 
  Avoid High-pressure Fluids 
  Prevent Fires 
  Evacuating in Case of Fire 
  Beware of Exhaust Fumes 
  Precautions for Welding and Grinding 
  Avoid Heating Near Pressurized Fluid Lines 
  Avoid Applying Heat to Lines Containing 
   Flammable Fluids 
  Remove Paint Before Welding or Heating 
  Beware of Asbestos Dust 
  Prevent Battery Explosions 
  Service Air Conditioning System Safely 
  Handle Chemical Products Safely 
  Dispose of Waste Properly 
 SSAFETY SIGNS/Europe/Asia/Middle and 
   Near East Model Only
 SAFETY SIGNS/North America and Oceania 
   Model Only
 COMPONENTS NAME
 OPERATORS STATION
  Getting On / Off the Machine 
  Cab Features 
  Multi Function Monitor 
  Outline 
   Menu Screen (23) 
   Hour Meter 
   Fuel Gauge 
   Clock 
   Back Monitor Selector 
   Menu Key 
   Optional Function Key 
   Return to Basic Screen Key 
   Alarm Light 
   Optional Function Display 
   Coolant Temperature Gauge 
   Operating Status Icon Display 
  Alarm Occurrence Screen 
  Contents of Alarms 
  Clock Setting 
  Attachment Selection (Only Machines Equipped with Optional Parts) 
  Pump 2 Flow Rate Adjustment (Only Machines Equipped with Optional Parts) 
  Displaying Operating Conditions 
  Fuel Rate Display/No Display 
  Back Monitor Settings 
  Maintenance Settings 
  Mail (Optional) 
  Language Settings 
  Switch Panel 
  Engine Control Dial 
  Auto-idle Switch 
  Power Mode Switch 
  Travel Mode Switch 
  Work Light Switch 
  Wiper/Washer Switch 
  Switch Panel (Optional Included) 
  Fan Rotating Direction Device(Optional) 
  Key Switch 
  Power Boost Switch 
  Horn Switch 
  Cigar Lighter 
  Cab Light 
  Installing Fire Extinguisher (Optional) 
  Pilot Control Shut-off Lever 
  Engine Stop Switch 
  Fuse Box 
  Additional Fuse Box 
  Air Conditioner Operation 
  Auto Air Conditioner 
  Cab Heater Operation 
  Cooling Operation 
  Defroster Operation 
  Tips for Optimal Air Conditioner Usage 
  AM/FM Radio Operation
  Digital Clock Setting Procedure 
  Cab Door Release Lever 
  Opening Upper Front Window (ZAXIS450-3, 450LC-3, 500LC-3) 
  Closing Upper Front Window 
  Removing and Storing Lower Front Window (ZAXIS450-3, 450LC-3, 500LC-3) 
  Opening Side Windows 
  Opening/closing Overhead Window (ZAXIS450-3, 450LC-3, 500LC-3) 
  Opening/closing Overhead Window 
  Emergency Exit(ZAXIS450-3, 450LC-3, 500LC-3) 
  Emergency Exit(ZAXIS470H-3, 470LCH-3, 520LCH-3) 
  Adjusting the Seat 
  Adjusting the Seat (Heater Seat Optional) 
  Seat With a Built-in Heater 
  Adjusting the Air-suspension Seat (Optional) 
  Seat With a Built-in Heater 
  Adjusting Console Height 
  Seat Belt 
 BREAK-IN
  Observe Engine Operation Closely 
  Every 8 Hours or Daily 
  After the First 50 Hours 
  After the First 100 Hours 
  OPERATING the ENGINE
  Inspect Machine Daily Before Starting 
  Before Starting Engine 
  Level Check 
  Starting the Engine in Ordinary Temperature 
  Starting in Cold Weather 
  Check Instruments After Starting 
  Using Booster Batteries 
  Stopping the Engine 
 DRIVING the MACHINE
  Drive the Machine Carefully 
  Steering the Machine Using Pedals 
  Steering the Machine Using Levers 
  Travel Mode Switch 
  Travel Alarm (Optional) 
  Operating on Soft Ground 
  Raise One Track Using Boom and Arm 
  Towing Machine a Short Distance 
  Operating in Water or Mud 
  Parking the Machine on Slopes 
  Parking the Machine 
 OPERATING the MACHINE
  Control Lever (ISO Pattern) 
  Control Lever (HITACHI Pattern) 
  Pilot Control Shut-off Lever 
  Engine Speed Control 
  Auto-idle
  Work Mode 
  Work Mode Select 
  Power Boost 
  Power Mode 
  Operating Backhoe 
  Grading Operation 
  Precaution for Arm Roll-in/ Bucket Roll-in Combined Operation
  Avoid Abusive Operation 
  Operating Tips 
  Select Correct Track Shoes 
  Object Handling --- If Equipped 
  Overnight Storage Instructions 
 ASSEMBLING
  Precautions for Assembling 
  Precautions for Slinging Work 
  Precautions for Operating Machine 
  Installing Counterweight 
  Installing Boom Cylinder 
  Installing Boom 
  Connecting Hoses Between Boom Cylinder and 
   Machine 
  Installing Boom Cylinder Rod 
  Installing Arm 
  Connecting Arm Cylinder Rod 
  Connecting Bucket Cylinder Hoses 
  Installing Bucket 
  Final Inspection 
  Transporting by Road 
  Transporting the Machine by Trailer 
  Loading/Unloading on a Trailer 
  ZAXIS450-3(Backhoe) 
  ZAXIS470H-3(Backhoe)
  ZAXIS450LC-3(Backhoe)
  ZAXIS470LCH-3(Backhoe)
  ZAXIS500LCH-3(Backhoe)
  ZAXIS520LCH-3(Backhoe)
  Retracting or Extending the Side Frame
  Retracting the Side Frame
  Extending the Side Frame
 MAINTENANCE
  Correct Maintenance and Inspection Procedures
  Check the Hour Meter Regularly
  Use Correct Fuels and Lubricants
  Prepare Machine for Maintenance
  Hood and Access Covers
  Periodic Replacement Of Parts
  Maintenance Guide
  AGreasing 
   Automatic Lubrication --- If Equipped
   Front Joint Pins (Backhoe)
   Swing Bearing
   Electric Grease Gun --- If Equipped
   Swing Internal Gear
  BEngine Oil
   Engine Oil Level
  Change Engine Oil 
  Replace Engine Oil Filter
  CTransmission Oil
   Swing Reduction Gear
   Travel Reduction Gear
  DHydraulic System 
  Inspection and Maintenance of Hydraulic 
  Equipment
  Check Hydraulic Oil Level
  Drain Hydraulic Oil Tank Sump
  Change Hydraulic Oil
  Suction Filter Cleaning 
  Replace Hydraulic Oil Tank Filter
  Replace Pump Drain Filter
  Replace Pilot Oil Filter
  Replace Air Breather Element
  Check Hoses and Lines
  Service Recommendations for Hydraulic Fittings
  EFuel System 
  Drain Fuel Tank Sump
  Check Water Separator
  Replace Fuel Main Filter Element
  Replace Fuel Pre-filter Element
  Clean Feed Pump Strainer 
  Check Fuel Hoses
  FAir Cleaner
  Clean the Air Cleaner Outer Element
  Replace the Air Cleaner Outer and Inner Elements
  GCooling System
  Check Coolant Level
  Change Coolant
  Clean Radiator/ Oil Cooler/ Inter Cooler/ 
  Fuel Cooler Core
  Clean Oil Cooler Front Screen
  HAir Conditioner 
  Clean and Replace Air Conditioner 
  Filter Clean Filter
  Check Refrigerant (Gas) Quantity
  Check Compressor Belt Tension
  Clean Condenser Core
  Check Looseness at Each of Fastened Areas
  Check in-season and Off-season
  IElectrical System
  Batteries
  Replace Batteries
  Replacing Fuses
  Fuse Box
  Additional Fuse Box
  JMiscellaneous
  Check Bucket Teeth
  Change Bucket
  Adjust the Bucket Linkage (Backhoe)
  Remove the Travel Levers
  Check and Replace Seat Beltcheck
  Check Windshield Washer Fluid Level
  Check Track Sag 
  Clean Cab Floor --- As Necessary
  Check Tightening Torque of Bolts and Nuts
  Check O-rings in Bucket Joints
  Retighten Cylinder Head Bolt
  Inspect and Adjust Valve Clearance
  Check Fuel Injection Timing
  Measure Engine Compression Pressure
  Check Starter and Alternator
  Check Water Pump
 HYDRAULIC CIRCUIT AND ELECTRICAL CIRCUIT
  Hydraulic System
  Main Circuit
  Electrical Circuit
  Electrical Diagram
 MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS
  Maintenance Under Special Environmental Conditio
 STORAGE
  Storing the Machine
  Removing the Machine from Storage
 TROUBLESHOOTING
  Engine
  Electrical System
  Control Levers
  Hydraulic System
 SPECIFICATIONS
  Specifications (Backhoe)
  ZAXIS450-3, ZAXIS450LC-3, ZAXIS500LC-3
  Working Ranges (Backhoe)
  ZAXIS450-3, ZAXIS450LC-3
  ZAXIS500LC-3
  Shoe Types and Applications
  ZAXIS450-3
  ZAXIS450LC-3
  ZAXIS500LC-3
  Bucket Types and Applications (Backhoe)
  ZAXIS450-3, ZAXIS450LC-3
  ZAXIS500LC-3
  Specifications (Backhoe)
  ZAXIS470H-3, ZAXIS470LCH-3, ZAXIS520LCH-3
  Working Ranges (Backhoe)
  ZAXIS470H-3, ZAXIS470LCH-3, ZAXIS520LCH-3
  Shoe Types and Applications
  ZAXIS470H-3
  ZAXIS470LCH-3
  ZAXIS520LCH-3
  Bucket Types and Applications (Backhoe)
  ZAXIS470H-3, ZAXIS470LCH-3, ZAXIS520LCH-3
  Lifting Capacities
  Sound Level Results (2000/14/EC)
  Vibration Level
 OPTIONAL ATTACHMENTS and DEVICES
  Hydraulic Breaker
  Work Mode
  Breaker Operation
  Precautions for Breaker Operation
  Breaker Maintenance
  Replace Breaker Circuit Return Oil Filter
  Hydraulic Crusher
  Stop Valve Operation
  Three-way-valve Operation (Machines Equipped with the Piping Common to Hydraulic Breaker and Crusher Operation)
  Flow Combining Valve Operation
  Precautions for Crusher Operation
 INDEX.