Hitachi ZX70, ZX70LC, ZX80SB, ZX80SBLC, ZX85US Pdf Operator Manual (EM1CD-EN3-1, EM1CD-EN3-2)

Hitachi ZX70, ZX70LC, ZX80SB, ZX80SBLC, ZX85US Pdf Operator Manual (EM1CD-EN3-1, EM1CD-EN3-2)

This manual provides essential guidance for operators and maintenance personnel to ensure safe, efficient, and reliable machine performance. This comprehensive manual includes detailed operating instructions, safety guidelines, maintenance schedules for Hitachi ZX70, ZX70LC, ZX80SB, ZX80SBLC, ZX85US model.

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
Fasten Your Seat Belt………………………………….. S-6
Move and Operate Machine Safely ……………….. S-6
Operate Only from Operator’s Seat……………….. S-7
Jump Starting……………………………………………… S-7
Keep Riders Off Machine……………………………… S-7
Investigate Job Site Beforehand……………………. S-8
Protect Against Falling Stones and Debris……… S-8
Provide Signals for Jobs Involving Multiple
Numbers of Machines…………………………….. S-9
Confirm Direction of Machine to be Driven……… S-9
Drive Machine Safely…………………………………. S-10
Avoid Injury from Rollaway Accidents ………….. S-11
Avoid Injury from Back-Over
and Swing Accidents ……………………………. S-12
Keep Person Clear from Working Area ………… S-13
Never Position Bucket Over Anyone ……………. S-13
Avoid Undercutting ……………………………………. S-13
Avoid Tipping ……………………………………………. S-14
Never Undercut a High Bank………………………. S-14
Dig with Caution………………………………………… S-15
Operate with Caution …………………………………. S-15
Avoid Power Lines …………………………………….. S-15
Object Handling ………………………………………… S-16
Protect Against Flying Debris ……………………… S-16
Park Machine Safely………………………………….. S-17
Handle Fluids Safely — Avoid Fires …………….. S-17
Safety Transporting …………………………………… S-18
Practice Safe Maintenance…………………………. S-19
Warn Others of Service Work……………………… S-20
Support Machine Properly ………………………….. S-20
Stay Clear of Moving Parts…………………………. S-20
Prevent Parts from Flying …………………………. S-21
Store Attachments Safely …………………………… S-21
Prevent Burns …………………………………………… S-22
Replace Rubber Hoses Periodically…………….. S-22
Avoid High-Pressure Fluids ………………………… S-23
Prevent Fires ……………………………………………. S-24
Evacuating in Case of Fire………………………….. S-25
Beware of Exhaust Fumes………………………….. S-25
Precautions for Welding and Grinding………….. S-26
Avoid Heating Near Pressurized Fluid Lines…. S-27
Avoid Applying Heat to Lines Containing
Flammable Fluids ………………………………… S-27
Remove Paint Before Welding or Heating ……..S-27
Prevent Battery Explosions ………………………….S-28
Service Air Conditioning System Safely…………S-28
Handle Chemical Products Safely ………………..S-29
Dispose of Waste Properly…………………………..S-29
SAFETY SIGNS ……………………………. S-30
COMPONENTS NAME ……………………. 1-1
OPERATOR’S STATION
Cab Features………………………………………………. 1-2
Monitor Panel ……………………………………………… 1-3
Coolant Temperature Gauge …………………. 1-4
Fuel Gauge ………………………………………….. 1-4
Auto-Idle Indicator ………………………………….. 1-4
Fuel Level Indicator………………………………… 1-4
Air Filter Restriction Indicator…………………… 1-4
Overheat Indicator………………………………….. 1-5
Engine Oil Pressure Indicator ………………….. 1-5
Alternator Indicator…………………………………. 1-5
Preheat Indicator……………………………………. 1-5
Hydraulic Oil Filter Restriction Indicator
(ZAXIS80LCK) …………………………………. 1-5
Liquid Crystal Display (LCD), Display
Selection Switch, Set Switch ……………… 1-6
Hour Meter ……………………………………………. 1-6
Trip Meter (Trip Meter 1 and Trip Meter 2) … 1-7
Trip Meter Function ………………………………… 1-8
Switch Panel ……………………………………………. 1-10
Engine Control Dial ………………………………. 1-10
Auto-Idle Switch …………………………………… 1-11
Power Mode Switch ……………………………… 1-12
Travel Mode Switch………………………………. 1-12
Work Light Switch ………………………………… 1-13
Wiper/Washer Switch……………………………. 1-14
Switch Panel (Optional)………………………………. 1-16
Key Switch………………………………………………… 1-17
Horn Switch………………………………………………. 1-17
Cigar Lighter……………………………………………… 1-18
12-V Power Source (Optional) …………………….. 1-19
Cab Light ………………………………………………….. 1-20
Installing Fire Extinguisher (Optional) …………… 1-20
Pilot Control Shut-Off Lever ………………………… 1-21
Engine Stop Knob ……………………………………… 1-21
Fuse Box ………………………………………………….. 1-22
Additional Fuse Box (Optional) ……………………. 1-22
Auto Air Conditioner (Optional) ……………………. 1-23
Cab Heater Operation ………………………………… 1-28
Cooling Operation ……………………………………… 1-29
Defroster Operation……………………………………. 1-29
Tips for Optimal Air Conditioner Usage ………… 1-31
Cab Heater (Optional) ………………………………… 1-32
Cab Heater Operation ………………………………… 1-33
Defroster Operation……………………………………. 1-34
AM/FM Radio Operation …………………………….. 1-35

Cab Door Release Lever ……………………………..1-37
Opening Upper Front Window ………………………1-37
Closing Upper Front Window………………………..1-38
Removing and Storing Lower Front Window…..1-39
Opening Side Windows ……………………………….1-39
Opening/Closing Overhead Window ……………..1-40
Emergency Exit…………………………………………..1-41
Sunvisor (Optional) ……………………………………..1-42
Adjusting the Seat……………………………………….1-43
Adjusting the Air-Suspension Seat (Optional) …1-47
Adjusting Console Height …………………………….1-49
Seat Belt ……………………………………………………1-50
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
Starting the Engine in Ordinary Temperature……3-3
Starting the Engine in Cold Weather ……………….3-4
Check Instruments After Starting…………………….3-5
Using Booster Batteries …………………………………3-6
Stopping the Engine ……………………………………..3-8
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
Traveling ……………………………………………………..4-5
Operating on Soft Ground………………………………4-6
Raise One Track Using Boom and Arm …………..4-6
Towing Machine a Short Distance…………………..4-7
Operating in Water or Mud …………………………….4-8
Precautions for Traveling on Slopes………………..4-9
Parking the Machine on Slopes…………………….4-10
Parking the Machine ……………………………………4-10
OPERATING THE MACHINE
Horn ………………………………………………………..5-1
Control Lever (ISO Pattern) ………………………….5-2
Boom Swing Front ………………………………………..5-2
Attachment Pedal (Breaker) …………………………..5-3
Attachment Pedal (Hydraulic Crusher)…………….5-4
Pilot Control Shut-Off Lever……………………………5-5
Engine Speed Control……………………………………5-7
Auto-Idle………………………………………………………5-8
Power Mode…………………………………………………5-9
Precautions for Operation Using a Bucket
(ZAXIS80LCK)………………………………………5-10
Precautions for Operations …………………………. 5-11
Operate the Machine Safely………………………… 5-12
Operating Backhoe ……………………………………. 5-13
Grading Operation……………………………………… 5-13
Face Shovel Operation ………………………………. 5-14
When Installing the Front Attachment
Larger than Standard Bucket …………………. 5-14
Avoid Abusive Operation…………………………….. 5-14
Operating Tips…………………………………………… 5-15
Select Correct Track Shoes ………………………… 5-15
Hydraulic Breaker and Hydraulic Crusher……… 5-16
Pipings for Breaker and Crusher………………….. 5-17
Secondary Relief Pressure Adjustment ………… 5-18
Precautions for Breaker Operation ………………. 5-19
Breaker Maintenance …………………………………. 5-22
Precautions for Crusher Operation ………………. 5-23
Attachment ……………………………………………….. 5-25
Attachment Connection Parts ……………………… 5-27
Object Handling — If Equipped……………………. 5-28
Emergency Boom Lowering Procedure ………… 5-30
Shackle Hole Usage…………………………………… 5-32
Overnight Storage Instructions…………………….. 5-32
TRANSPORTING
Transporting by Road…………………………………… 6-1
Loading/Unloading on a Trailer……………………… 6-1
Machine Lifting Procedure ……………………………. 6-5
MAINTENANCE
Correct Maintenance
and Inspection Procedures ……………………… 7-1
Check the Hour Meter Regularly……………………. 7-2
Use Correct Fuels and Lubricants …………………. 7-2
Layout ………………………………………………………. 7-3
Maintenance Guide Table …………………………….. 7-4
Prepare Machine for Maintenance…………………. 7-6
Hood and Access Covers……………………………… 7-7
Periodic Replacement of Parts………………………. 7-9
Use Electrical Outlet…………………………………… 7-10
Maintenance Guide ……………………………………. 7-11
A. Greasing ……………………………………………. 7-16
Front Joint Pins ……………………………………. 7-16
Swing Bearing ……………………………………… 7-18
Swing Internal Gear ……………………………… 7-19
B. Engine ………………………………………………… 7-20
Engine Oil Level …………………………………… 7-20
Change Engine Oil ……………………………….. 7-20
Replace Engine Oil Filter ………………………. 7-20
C. Transmission ……………………………………… 7-22
Travel Reduction Gear………………………….. 7-22
D. Hydraulic System …………………………………. 7-24
Inspection and Maintenance
of Hydraulic Equipment……………………. 7-24
Replacement of Hydraulic Oil and Filter ….. 7-26
Check Hydraulic Oil Level……………………… 7-27
Drain Hydraulic Tank Sump…………………… 7-28
CONTENTS
Change Hydraulic Oil……………………………..7-29
Suction Filter Cleaning …………………………..7-29
Replace Hydraulic Tank Oil Filter…………….7-32
Replace Pilot Oil Filter ……………………………7-34
Replace Swing Drain Filter Element…………7-35
Replace Air Breather Element…………………7-36
Check Hoses and Lines………………………….7-37
Service Recommendations for
Hydraulic Fittings……………………………..7-40
E. Fuel System………………………………………….7-42
Drain Fuel Tank Sump……………………………7-44
Check Water Separator ………………………….7-45
Replace Fuel Filter ………………………………..7-46
Clean Feed Pump Strainer ……………………..7-48
Check Fuel Hoses …………………………………7-49
F. Air Cleaner……………………………………………7-50
Clean the Air Cleaner Element………………..7-50
G. Cooling System……………………………………..7-52
Check Coolant Level ……………………………..7-53
Check and Adjust Fan Belt Tension …………7-53
Change Coolant…………………………………….7-54
Clean Radiator Interior …………………………..7-54
Clean Radiator and Oil Cooler Core…………7-55
Clean Oil Cooler Front Screen ………………..7-55
Clean Air Conditioner Condenser…………….7-55
H. Electrical System…………………………………..7-56
Batteries……………………………………………….7-56
Replace Batteries ………………………………….7-60
Replacing Fuses……………………………………7-61
Additional Fuse Box (Optional)………………..7-62
I. Miscellaneous……………………………………….7-63
Check Bucket Teeth ………………………………7-63
Change Bucket ……………………………………..7-65
Convert Bucket Connection Into
Face Shovel…………………………………….7-66
Adjust the Bucket Linkage………………………7-67
Remove the Travel Levers ……………………..7-68
Check and Replace Seat Belt ………………..7-68
Check Windshield Washer Fluid Level……..7-68
Check Track Sag …………………………………..7-69
Adjust Track Sag …………………………………..7-69
Loosen the Track…………………………………..7-70
Tighten the Track…………………………………..7-70
Clean and Replace Air Conditioner Filter ….7-71
Replace Filter………………………………………..7-71
Check the Air Conditioner……………………….7-73
Clean Cab Floor ……………………………………7-75
Check Injection Nozzle…………………………..7-76
Retighten Cylinder Head Bolt ………………….7-76
Inspect and Adjust Valve Clearance ………..7-76
Check Fuel Injection Timing ……………………7-76
Check Starter and Alternator…………………..7-76
Change Water Pump Grease ………………….7-76
Measure Engine Compression Pressure ….7-76
Check Tightening Torque of Bolts
and Nuts …………………………………………7-77
HYDRAULIC CIRCUIT AND
ELECTRICAL CIRCUIT
HYDRAULIC CIRCUIT ZAXIS70, 70LC, 85US… 8-1
HYDRAULIC CIRCUIT ZAXIS80SB, 80SBLC…. 8-2
Electrical Circuit ZAXIS70/70LC/80SB/
80SBLC/85US Electrical Diagram ……………. 8-4
ZAXIS70/70LC/80SB/80SBLC/
85US 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
Installing Vandal-Proof Covers…………………….. 10-3
Help Prevent Crime……………………………………. 10-4
Record Identification Numbers…………………….. 10-4
Keep Proof of Ownership ……………………………. 10-4
Park Indoors Out Of Sight …………………………… 10-4
When Parking Outdoors……………………………… 10-5
Reduce Vandalism …………………………………….. 10-5
Report Thefts Immediately ………………………….. 10-5
TROUBLESHOOTING
Engine …………………………………………………….. 11-1
Electrical System……………………………………….. 11-6
Mode Selection………………………………………….. 11-8
Control Levers …………………………………………… 11-9
Hydraulic System ………………………………………. 11-9
SPECIFICATIONS
Specifications (ZAXIS70, 70LC, 85US) ……….. 12-1
Working Ranges (ZAXIS70, 70LC) ………………. 12-2
Working Ranges (ZAXIS85US)……………………. 12-3
Shoe Types and Applications
(ZAXIS70, 70LC)………………………………….. 12-4
Shoe Types and Applications (ZAXIS85US)….. 12-5
Specifications (ZAXIS80SB, 80SBLC) ………… 12-6
Working Ranges (ZAXIS80SB, 80SBLC) ……… 12-7
Shoe Types and Applications
(ZAXIS80SB, 80SBLC) …………………………. 12-8
Sound Level Results (2000/14/EC)………………. 12-9
OPTIONAL ATTACHMENTS AND
DEVICES
Blade Lever ………………………………………………. 13-1
Precautions for Blade Operation………………….. 13-1
Avoid Hitting Blade with Front-End Attachment 13-2
Avoid Hitting Blade with Bucket …………………… 13-2
Avoid Striking the Blade into a Rock…………….. 13-2
Specifications
(ZAXIS70, 70LC, 85US with Blade) ………… 13-4

Shoe Types and Applications
(ZAXIS70, 70LC with Blade)……………………13-5
Shoe Types and Applications
(ZAXIS85US with Blade) ………………………..13-6
Specifications
(ZAXIS80SB, 80SBLC with Blade) …………13-7
Shoe Types and Applications
(ZAXIS85US with Blade) ………………………..13-8
Offset Arm Front …………………………………………13-9
Precautions for Operating with the
Offset Function ……………………………………13-11
Maintenance …………………………………………….13-12
Specifications……………………………………………13-14
Working Ranges (Offset) ……………………………13-16
Shoe Types and Applications
(with Offset Arm Front) …………………………13-17
Electronic Key Lock Operation Manual ………..13-19
Registration/Registration Cancellation of
Ordinary Operation Key………………………..13-22
Additional Registration Procedure……………….13-23
Registration Cancellation Procedure……………13-24
Lifting Capacities ………………………………………13-25
INDEX……………………………………………………..14-1

Language: English
Format: PDF

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