Description

Hitachi ZX650LC-3,ZX670LCH-3 Excavator Operator’s Manual (EM1J7-1-1)

Hitachi ZX650LC-3,ZX670LCH-3 Excavator Index:

MACHINE NUMBERS
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

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

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