Hitachi ZAXIS 650LC-3 670LCH-3 Excavator Operational Principle+Troubleshooting+Parts+Workshop Manual
FILE DETAILS:
Hitachi ZAXIS 650LC-3 670LCH-3 Excavator Operational Principle+Troubleshooting+Parts+Workshop Manual
This Listing includes all of the manuals mentioned below:
- Hitachi ZAXIS 650LC-3 670LCH-3 Hydraulic Excavator Technical Operational Principle Manual
- Hitachi ZAXIS 650LC-3 670LCH-3 Hydraulic Excavator Technical Operator’s Manual
- Hitachi ZAXIS 650LC-3 670LCH-3 Hydraulic Excavator Technical Troubleshooting Manual
- Hitachi ZAXIS 650LC-3 670LCH-3 Hydraulic Excavator Technical Workshop Manual
- Hitachi ZAXIS 600 600Lc 650H 650LCH Hydraulic Excavator Parts Catalog
DESCRIPTION:
Hitachi ZAXIS 650LC-3 670LCH-3 Excavator Operational Principle+Troubleshooting+Parts+Workshop Manual
INTRODUCTION:
TO THE READER:
• This manual is written for an experienced technician to provide technical information needed to maintain and repair this machine.
• Be sure to thoroughly read this manual for correct product information and service procedures.
• If you have any questions or comments, at if you found any errors regarding the contents of this manual, please contact using “Service Manual Revision Request Form” at the end of this manual.
ADDITIONAL REFERENCES:
• Please refer to the materials listed below in addition to this manual.
• The Operator’s Manual
• The Parts Catalog
• The Engine Manual
• Parts Catalog of the Engine
• Hitachi Training Material
MANUAL COMPOSITION:
• This manual consists of three portions: the Technical Manual (Operational Principle), the Technical Manual (Troubleshooting) and the Workshop Manual.
• Information included in the Technical Manual (Operational Principle): technical information needed for redelivery and delivery, operation and activation of all devices and systems.
• Information included in the Technical Manual (Troubleshooting): technical information needed for operational performance tests, and troubleshooting procedures.
• Information included in the Workshop Manual: technical information needed for maintenance and repair of the machine, tools and devices needed for maintenance and repair, maintenance standards, and removal/installation and assemble/ disassemble procedures.
Follow Safety Instructions:
Carefully read and follow all safety signs on the machine and all safety messages in this manual. Safety signs should be installed, maintained and replaced when necessary. If a safety sign or this manual is damaged or missing, order a replacement from your authorized dealer in the same way you order other replacement parts (be sure to state machine model and serial number when ordering). Learn how to operate the machine and its controls correctly and safely.
- Allow only trained, qualified, authorized personnel to operate the machine. Keep your machine in proper working condition. Unauthorized modifications of the machine may impair its function and/or safety and affect machine life. Do not modify any machine parts without authorization. Failure to do so may deteriorate the part safety, function, and/or service life. In addition, personal accident, machine trouble, and/or damage to material caused by unauthorized modifications will void Tata-Hitachi Warranty Policy.
- Never attempt to modify or disassemble the inlet/exhaust parts and the muffler filter. Avoid giving shocks on the muffler filter by striking elements with other objects or dropping the elements. Failure to do so may affect the exhaust gas purifying device, possibly damaging it or lowering its performance.
TABLE OF CONTENTS:
Hitachi ZAXIS 650LC-3 670LCH-3 Excavator Operational Principle+Troubleshooting+Parts+Workshop Manual
- Hitachi ZAXIS 650LC-3 670LCH-3 Hydraulic Excavator Technical Operational Principle Manual
SECTION 1 GENERAL
Group 1 Specification
Group 2 Component Layout
Group 3 Component Specifications
SECTION 2 SYSTEM
Group 1 Control System
Group 2 Control System
Group 3 ECM System
Group 4 Hydraulic System
Group 5 Electrical System
SECTION 3 COMPONENT OPERATION
Group 1 Pump Device
Group 2 Swing Device
Group 3 Control Valve
Group 4 Pilot Valve
Group 5 Travel Device
Group 6 Signal Control Valve
Group 7 Others (Upperstructure)
Group 8 Others (Undercarriage)
- Hitachi ZAXIS 650LC-3 670LCH-3 Hydraulic Excavator Technical Operator’s Manual
SAFETY
Recognize Safety Information S-1
Understand Signal Words S-1
Follow Safety Instructions S-2
Prepare for Emergencies S-2
Wear Protective Clothing S-3
Protect Against Noise S-3
Inspect Machine S-3
General Precautions for Cab S-4
Use Handholds and Steps S-5
Adjust the Operator’s Seat S-5
Ensure Safety Before Rising from or
Leaving Operator’s Seat S-5
Fasten Your Seat Belt S-6
Move and Operate Machine Safely S-6
Handle Starting Aids Safely S-6
Operate Only from Operator’s Seat S-7
Jump Starting S-7
Keep Riders Off Machine S-7
Precautions for Operations S-8
Investigate Job Site Beforehand S-9
Equipment of Head Guard, Rops, Fops S-10
Provide Signals for Jobs Involving
Multiple Numbers of Machines S-10
Confirm Direction of Machine to Be Driven S-10
Drive Machine Safely S-11
Avoid Injury from Rollaway Accidents S-13
Avoid Injury from Back-over and Swing Accidents S-14
Keep Person Clear from Working Area S-15
Never Position Bucket Over Anyone S-15
Avoid Undercutting S-15
Avoid Tipping S-16
Never Undercut a High Bank S-16
Dig with Caution S-17
Operate with Caution S-17
Avoid Power Lines S-18
Precautions for Lightening S-18
Object Handling S-18
Protect Against Flying Debris S-19
Park Machine Safely S-19
Handle Fluids Safely−Avoid Fires S-19
Transport Safely S-20
Practice Safe Maintenance S-21
Warn Others of Service Work S-22
Support Machine Properly S-22
Stay Clear of Moving Parts S-22
Prevent Parts from Flying S-23
Store Attachments Safely S-23
Prevent Burns S-24
Replace Rubber Hoses Periodically S-24
Avoid High-Pressure Fluids S-25
Prevent Fires S-26
Evacuating in Case of Fire S-27
Beware of Exhaust Fumes S-27
Precautions for Welding and Grinding S-27
Avoid Heating Near Pressurized Fluid Lines S-28
Avoid Applying Heat to Lines Containing
Flammable Fluids S-28
Remove Paint Before Welding or Heating S-28
Beware of Asbestos Dust S-29
Prevent Battery Explosions S-29
Service Air Conditioning System Safely S-29
Handle Chemical Products Safely S-30
Dispose of Waste Properly S-30
SAFETY SIGNS/Europe/Asia/Middle and
Near East Model Only S-31
SAFETY SIGNS/North America and Oceania
Model Only S-38
COMPONENTS NAME 1-1
GETTING ON / OFF THE MACHINE 1-2
OPERATOR’S STATION
Cab Features 1-3
Multi Function Monitor 1-5
Outline 1-6
Menu Screen (23) 1-9
Hour Meter 1-10
Fuel Gauge 1-10
Clock 1-10
Back Monitor Selector 1-10
Menu Key 1-11
Optional Function Key 1-11
Return to Basic Screen Key 1-11
Alarm Light 1-11
Optional Function Display 1-11
Coolant Temperature Gauge 1-12
Operating Status Icon Display 1-12
Alarm Occurrence Screen 1-17
Contents of Alarms 1-19
Clock Setting 1-21
Attachment Selection
(Only Machines Equipped with Optional Parts) 1-22
Pump 2 Flow Rate Adjustment
(Only Machines Equipped with Optional Parts) 1-25
Displaying Operating Conditions 1-26
Fuel Rate Display/No Display 1-27
Back Monitor Settings 1-35
Maintenance Settings 1-42
Language Settings 1-49
Switch Panel 1-51
Engine Control Dial 1-52
Auto-idle Switch 1-52
Power Mode Switch 1-53
Travel Mode Switch 1-53
CONTENTS
Work Light Switch 1-54
Wiper/Washer Switch 1-55
Switch Panel (Optional Included) 1-56
Fan Rotating Direction Device(Optional) 1-60
Key Switch 1-61
Power Boost Switch 1-61
Horn Switch 1-61
Cigar Lighter 1-62
Cab Light 1-63
Installing Fire Extinguisher (Optional) 1-63
Pilot Control Shut-off Lever 1-64
Engine Stop Switch 1-64
Fuse Box 1-65
Additional Fuse Box 1-65
Air Conditioner Operation 1-66
Auto Air Conditioner 1-67
Cab Heater Operation 1-72
Cooling Operation 1-72
Defroster Operation 1-73
Tips for Optimal Air Conditioner Usage 1-74
AM/FM Radio Operation 1-75
Digital Clock Setting Procedure 1-76
Cab Door Release Lever 1-77
Opening Upper Front Window (ZAXIS650LC-3) 1-77
Closing Upper Front Window 1-78
Removing and Storing Lower Front Window
(ZAXIS650LC-3) 1-79
Opening Side Windows 1-79
Opening/Closing Overhead Window (ZAXIS650LC-3) 1-80
Opening/Closing Overhead Window 1-80
Emergency Exit(ZAXIS650LC-3) 1-81
Emergency Exit(ZAXIS670LCH-3) 1-82
Adjusting the Seat 1-83
Adjusting the Seat (Heater Seat Optional) 1-85
Seat With a Built-in Heater 1-86
Adjusting the Air-suspension Seat (Optional) 1-87
Seat With a Built-in Heater 1-88
Adjusting Console Height 1-89
Seat Belt 1-90
BREAK-IN
Observe Engine Operation Closely 2-1
Every 8 Hours or Daily 2-1
After the First 50 Hours 2-1
After the First 100 Hours 2-1
OPERATING THE ENGINE
Inspect Machine Daily Before Starting 3-1
Before Starting Engine 3-2
Level Check 3-3
Starting the Engine in Ordinary Temperature 3-4
Starting in Cold Weather 3-5
Check Instruments After Starting 3-6
Using Booster Batteries 3-7
Stopping the Engine 3-9
DRIVING THE MACHINE
Drive the Machine Carefully 4-1
Steering the Machine Using Pedals 4-2
Steering the Machine Using Levers 4-3
Travel Mode Switch 4-4
Travel Alarm (Optional) 4-4
Operating on Soft Ground 4-5
Raise One Track Using Boom and Arm 4-5
Towing Machine a Short Distance 4-6
Operating in Water or Mud 4-7
Parking the Machine on Slopes 4-8
Parking the Machine 4-8
OPERATING THE MACHINE
Control Lever (ISO Pattern) 5-1
Control Lever (HITACHI Pattern) 5-2
Pilot Control Shut-off Lever 5-3
Engine Speed Control 5-6
Auto-Idle 5-7
Work Mode 5-8
Work Mode Select 5-9
Power Boost 5-10
Power Mode 5-11
Operating Backhoe 5-12
Grading Operation 5-12
Precaution for Arm Roll-in/ Bucket Roll-in Combined
Operation 5-13
Avoid Abusive Operation 5-13
Operating Tips 5-14
Select Correct Track Shoes 5-14
Object Handling — If Equipped 5-15
Overnight Storage Instructions 5-17
ASSEMBLING
Precautions for Assembling 6-1
Precautions for Slinging Work 6-3
Precautions for Operating Machine 6-4
Installing Counterweight 6-5
Installing Boom Cylinder 6-6
Installing Boom 6-8
Connecting Hoses Between Boom Cylinder and
Machine 6-9
Installing Boom Cylinder Rod 6-10
Installing Arm 6-11
Connecting Arm Cylinder Rod 6-12
Connecting Bucket Cylinder Hoses 6-13
Installing Bucket 6-14
Final Inspection 6-15
Transporting by Road 6-16
Transporting the Machine by Trailer 6-16
Loading/Unloading on a Trailer 6-16
Retracting or Extending the Side Frame 6-20
Retracting the Side Frame 6-21
Extending the Side Frame 6-22
Types of Packings for Transportation 6-25
CONTENTS
Packing Dimensions and Weights for Transportation-1
(Backhoe) 6-26
Packing Dimensions and Weights for Transportation-2
(Backhoe) 6-30
MAINTENANCE
Correct Maintenance and Inspection Procedures 7-1
Check the Hour Meter Regularly 7-2
Use Correct Fuels and Lubricants 7-2
Prepare Machine for Maintenance 7-3
Hood and Access Covers 7-4
Periodic Replacement of Parts 7-5
Maintenance Guide 7-6
A Greasing 7-9
Automatic Lubrication — If Equipped 7-10
Front Joint Pins (Backhoe) 7-12
Swing Bearing 7-14
Electric Grease Gun — If Equipped 7-15
Swing Internal Gear 7-19
B Engine Oil 7-20
Engine Oil Level 7-21
Change Engine Oil 7-22
Replace Engine Oil Filter 7-22
C Transmission Oil 7-24
Pump Transmission 7-25
Swing Reduction Gear 7-27
Travel Reduction Gear 7-28
D Hydraulic System 7-30
Inspection and Maintenance of Hydraulic
Equipment 7-31
Check Hydraulic Oil Level 7-33
Drain Hydraulic Oil Tank Sump 7-34
Change Hydraulic Oil 7-35
Suction Filter Cleaning 7-35
Replace Hydraulic Oil Tank Filter 7-38
Replace Pump Drain Filter 7-39
Replace Pilot Oil Filter 7-40
Replace Air Breather Element 7-41
Check Hoses and Lines 7-42
Service Recommendations for Hydraulic Fittings 7-45
E Fuel System 7-47
Drain Fuel Tank Sump 7-49
Check Water Separator 7-49
Replace Fuel Main Filter Element 7-52
Replace Fuel Pre-filter Element 7-53
Clean Feed Pump Strainer 7-54
Check Fuel Hoses 7-55
F Air Cleaner 7-56
Clean the Air Cleaner Outer Element 7-56
Replace the Air Cleaner Outer and Inner Elements 7-56
G Cooling System 7-58
Check Coolant Level 7-60
Change Coolant 7-61
Clean Radiator/ Oil Cooler/ Inter Cooler/
Fuel Cooler Core 7-62
Clean Oil Cooler Front Screen 7-62
H Air Conditioner 7-63
Clean and Replace Air Conditioner
Filter Clean Filter 7-64
Check Refrigerant (Gas) Quantity 7-66
Check Compressor Belt Tension 7-66
Clean Condenser Core 7-67
Check Looseness at Each of Fastened Areas 7-67
Check in-season and Off-season 7-68
I Electrical System 7-69
Batteries 7-70
Replace Batteries 7-73
Replacing Fuses 7-74
Fuse Box 7-74
Additional Fuse Box 7-74
J Miscellaneous 7-76
Check Bucket Teeth 7-77
Change Bucket 7-80
Adjust the Bucket Linkage (Backhoe) 7-81
Remove the Travel Levers 7-82
Check and Replace Seat Beltcheck 7-82
Check Windshield Washer Fluid Level 7-82
Check Track Sag 7-83
Clean Cab Floor — As Necessary 7-85
Check Tightening Torque of Bolts and Nuts 7-86
Check O-rings in Bucket Joints 7-99
Retighten Cylinder Head Bolt 7-100
Inspect and Adjust Valve Clearance 7-100
Check Fuel Injection Timing 7-100
Measure Engine Compression Pressure 7-100
Check Starter and Alternator 7-100
Check Water Pump 7-100
HYDRAULIC CIRCUIT AND ELECTRICAL CIRCUIT
Hydraulic System 8-1
Main Circuit 8-2
Electrical Circuit 8-4
Electrical Diagram 8-5
MAINTENANCE UNDER SPECIAL
ENVIRONMENTAL CONDITIONS
Maintenance Under Special Environmental Conditions 9-1
STORAGE
Storing the Machine 10-1
Removing the Machine from Storage 10-2
TROUBLESHOOTING
Engine 11-1
Electrical System 11-5
Control Levers 11-9
Hydraulic System 11-9
SPECIFICATIONS
Specifications (Backhoe) ZAXIS650LC-3 12-1
CONTENTS
Working Ranges (Backhoe) ZAXIS650LC-3 12-2
Shoe Types and Applications ZAXIS650LC-3 12-3
Bucket Types and Applications ZAXIS650LC-3 12-4
Specifications ZAXIS670LCH-3 12-5
Working Ranges ZAXIS670LCH-3 12-6
Shoe Types and Applications ZAXIS670LCH-3 12-7
Bucket Types and Applications ZAXIS670LCH-3 12-8
Lifting Capacities 12-9
Sound Level Results (2000/14/EC) 12-10
Vibration Level 12-10
OPTIONAL ATTACHMENTS and DEVICES
Hydraulic Breaker 13-1
Work Mode 13-2
Breaker Operation 13-3
Precautions for Breaker Operation 13-5
Breaker Maintenance 13-9
Replace Breaker Circuit Return Oil Filter 13-11
Hydraulic Crusher 13-12
Stop Valve Operation 13-13
Three-way-valve Operation (Machines Equipped
with the Piping Common to Hydraulic Breaker
and Crusher Operation) 13-14
Flow Combining Valve Operation 13-14
Precautions for Crusher Operation 13-15
INDEX 14-1
- Hitachi ZAXIS 650LC-3 670LCH-3 Hydraulic Excavator Technical Troubleshooting Manual
SECTION 4 OPERATIONAL PERFORMANCE
TEST
Group 1 Introduction
Group 2 Standard
Group 3 Engine Test
Group 4 Excavator Test
Group 5 Component Test
Group 6 Adjustment
SECTION 5 TROUBLESHOOTING
Group 1 Diagnosing Procedure
Group 2 Monitor Unit
Group 3 Dr. ZX
Group 4 ICF
Group 5 Component Layout
Group 6 Troubleshooting A
Group 7 Troubleshooting B
Group 8 Electrical System Inspection
- Hitachi ZAXIS 650LC-3 670LCH-3 Hydraulic Excavator Technical Workshop Manual
SECTION 1 GENERAL INFORMATION
Group 1 Precautions for disassembling
and Assembling
Group 2 Tightening Torque
Group 3 Painting
Group 4 Bleeding Air from Hydraulic Oil
Tank
SECTION 2 UPPERSTRUCTURE
Group 1 Cab
Group 2 Counterweight
Group 3 Main Frame
Group 4 Pump Device
Group 5 Control Valve
Group 6 Swing Device
Group 7 Pilot Valve
Group 8 Pilot Shut-Off Solenoid Valve
Group 9 Solenoid Valve
Group 10 Signal Control Valve
Group 11 Shockless Valve
Group 12 Fan Valve
Group 13 Fan Motor
Group 14 Engine
SECTION 3 UNDERCARRIAGE
Group 1 Swing Bearing
Group 2 Travel Device
Group 3 Center Joint
Group 4 Track Adjuster
Group 5 Front Idler
Group 6 Upper and Lower Roller
Group 7 Track
SECTION 4 FRONT ATTACHMENT
Group 1 Front Attachment
Group 2 Cylinder
- Hitachi ZAXIS 600 600Lc 650H 650LCH Hydraulic Excavator Parts Catalog
UPPERSTRUCTURE
UNDERCARRIAGE
FRONT-END ATTACHMENT
BREAKER PARTS
COUNTERWEIGHT REMOVAL DEVICE
TOOLS
NAME-PLATE
PARTS INDEX
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