Hitachi ZAXIS 75US-5A Operator's Manual
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Hitachi ZAXIS 75US-5A Operator's Manual

Hydraulic excavator
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URL:http://www.hitachi-c-m.com
PRINTED IN JAPAN (E) 2018, 06
PART NO.
ENMDED-1-5
Operator's Manual
75US
-5A
85USB
Hydraulic Excavator
Serial No.
ZX75US-5A
080001 and up
ZX85USB-5A
100001 and up
-5A

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hermans paul
February 9, 2025

dag,ik hang aan mijn graafmachine een sorteergrijper hoe moet ik de omschakeling maken, er is geen gebruiksaanwijzing aanwezig.

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Summary of Contents for Hitachi ZAXIS 75US-5A

  • Page 1 PART NO. ENMDED-1-5 Operator's Manual 75US 85USB Hydraulic Excavator URL:http://www.hitachi-c-m.com Serial No. ZX75US-5A 080001 and up ZX85USB-5A 100001 and up PRINTED IN JAPAN (E) 2018, 06...
  • Page 2 INTRODUCTION Read this manual carefully to learn how to operate and Warranty is provided as a part of Hitachi’s support service your machine correctly. Failure to do so could program for customers who operate and maintain their result in personal injury or machine damage.

  • Page 3: Getting On/Off The Machine

    INDEX MACHINE NUMBERS SAFETY SAFETY SIGNS COMPONENTS NAME GETTING ON/OFF THE MACHINE OPERATOR’S STATION BREAK-IN OPERATING THE ENGINE DRIVING THE MACHINE OPERATING THE MACHINE TRANSPORTING MAINTENANCE MAI N TENANCE UNDER SPECI A L ENVI R ONMENTAL CONDI T I O NS STORAGE TROUBLESHOOTING SPECIFICATIONS...

  • Page 5: Table Of Contents

    CONTENTS MACHINE NUMBERS ............1 Avoid Applying Heat to Lines Containing Flammable Fluids ..............S-34 SAFETY ................S-1 Precautions for Handling Accumulator and Recognize Safety Information ............S-1 Gas Damper ................S-34 Understand Signal Words .............S-1 Remove Paint Before Welding or Heating ......S-35 Follow Safety Instructions ............S-2 Beware of Asbestos and Silicon Dust and Other Prepare for Emergencies ...............S-3...
  • Page 6 CONTENTS Rear View Camera Monitor ............1-38 Fuse Box C .................. 1-84 Rear View Camera ON/OFF ..........1-38 Auto Air Conditioner ..............1-85 Brightness Adjustment ............... 1-40 Features ..................1-85 Language Settings ............... 1-42 Components Name ..............1-86 Lists of Display Language ............1-44 Controller Part Name and Function .........
  • Page 7 CONTENTS Before Starting Engine ..............3-2 Maintenance Guide ................7-9 Starting the Engine .................3-3 Periodic Replacement of Parts ..........7-13 Check Instruments After Starting Engine .......3-7 Kind of Oils ..................7-14 Using Booster Batteries ..............3-8 A. Greasing ..................7-17 Stopping the Engine ..............3-10 Front Joint Pins ................
  • Page 8 Attachment Pedal (Hydraulic Crusher) Std. Model (Optional) ..............13-10 Precautions for Crusher Operation ........13-11 Attachment ...................13-14 Attachment Connection Parts ..........13-16 Precaution for Arm Roll-In/Bucket Roll-In Combined Operation ............13-17 Precaution for Arm Roll-In/Bucket Roll-In Combined Operation ............13-17 Control Lever (HITACHI)............13-18 Specifications ZX75US-5A (with Blade) ......13-19...
  • Page 9 MACHINE NUMBERS The manufacturing Nos. explained in this group is the individual number (serial No.) given to each machine and hydraulic components. These numbers are requested when inquiring any information on the machine and/or components. Fill these serial Nos. in the blank spaces in this group to immediately make them available upon request.

  • Page 10: Machine Numbers

    MACHINE NUMBERS Travel Motor TYPE MFG. NO. M1CD-01-005 Swing Motor TYPE MFG. NO. MDEC-00-005 Hydraulic Pump MFG. NO. M1P1-01-002...

  • Page 11: Safety

    SAFETY Recognize Safety Information  These are the SAFETY ALERT SYMBOLS.  When you see these symbols on your machine or in this manual, be alert to the potential for personal injury.  Follow recommended precautions and safe operating practices. SA-688 Understand Signal Words ...

  • Page 12: Follow Safety Instructions

    Hitachi Warranty Policy.  Do not use attachments and/or optional parts or equipment not authorized by Hitachi. Failure to do so may deteriorate the safety, function, and/or service life of the machine. In addition, personal accident, machine...

  • Page 13: Prepare For Emergencies

    SAFETY Prepare for Emergencies  Be prepared if a fire starts or if an accident occurs.  Keep a first aid kit and fire extinguisher on hand.  Thoroughly read and understand the label attached on the fire extinguisher to use it properly. ...

  • Page 14: Protect Against Noise

    SAFETY Protect Against Noise  Prolonged exposure to loud noise can cause impairment or loss of hearing.  Wear a suitable hearing protective device such as earmuffs or earplugs to protect against objectionable or uncomfortably loud noises. SA-434 Inspect Machine ...

  • Page 15: General Precautions For Cab

    SAFETY General Precautions for Cab  Before entering the cab, thoroughly remove all dirt and/or oil such as mud, grease, soil or stones that may mess up the cab from the soles of your work boots. If any controls such as a pedal is operated while with dirt and/or oil on the soles of the operator’s work boots, the operator’s foot may slip off the pedal, possibly resulting in a personal accident.

  • Page 16: Use Handholds And Steps

    SAFETY Use Handholds and Steps  Falling is one of the major causes of personal injury.  When you get on and off the machine, always face the machine and maintain a three-point contact with the steps and handrails.  Do not use any controls as hand-holds. ...

  • Page 17: Ensure Safety Before Rising From Or Leaving Operator's Seat

    SAFETY Ensure Safety Before Rising from or Leaving Operator’s Seat  Before rising from the operator’s seat to open/close either side window or to adjust the seat position, be sure to first lower the front attachment to the ground and then move the pilot control shut-off lever to the LOCK position.

  • Page 18: Move And Operate Machine Safely

    SAFETY Move and Operate Machine Safely  Bystanders can be run over.  Take extra care not to run over bystanders. Confirm the location of bystanders before moving, swinging, or operating the machine.  Always keep the travel alarm and horn in working condition (if equipped).

  • Page 19: Jump Starting

    SAFETY Jump Starting  Battery gas can explode, resulting in serious injury.  If the engine must be jump started, be sure to follow the instructions shown in the “OPERATING THE ENGINE” chapter in the operator’s manual.  The operator must be in the operator’s seat so that the machine will be under control when the engine starts.

  • Page 20: Precautions For Operations

    SAFETY Precautions for Operations  Investigate the work site before starting operations.  Be sure to wear close fitting clothing and safety equipment appropriate for the job, such as a hard hat, etc. when operating the machine.  Clear all persons and obstacles from area of operation and machine movement.

  • Page 21: Investigate Job Site Beforehand

    SAFETY Investigate Job Site Beforehand  When working at the edge of an excavation or on a road shoulder, the machine could tip over, possibly resulting in serious injury or death.  Investigate the configuration and ground conditions of the job site beforehand to prevent the machine from falling and to prevent the ground, stockpiles or banks from collapsing.

  • Page 22: Install Opg Guard

    Install OPG Guard In case the machine is operated in areas where the possibilities of falling stones or debris exist, equip Hitachi OPG guard. Consult your authorized dealer for installing the OPG guard. The guard can be compliant with ROPS standards depending on the machine specifications.

  • Page 23: Restriction Of Attachment Installation

    SAFETY Restriction of Attachment Installation  Do not install an attachment which exceeds specified weight for the machine structure. Provide Signals for Jobs Involving Multiple Machines  For jobs involving multiple machines, provide signals commonly known by all personnel involved. Also, appoint a signal person to coordinate the job site.

  • Page 24: Drive Machine Safely

    SAFETY Drive Machine Safely  Before driving the machine, always confirm that the travel levers/pedals direction corresponds to the direction you wish to drive.  Be sure to detour around any obstructions.  Avoid traveling over obstructions. Soil, fragments of rocks, and/or metal pieces may scatter around the machine.
  • Page 25 SAFETY  Avoid swinging the upperstructure on slopes. Never attempt to swing the upperstructure downhill. The machine may tip over. If swinging uphill is unavoidable, carefully operate the upperstructure and boom at slow speed.  If the engine stalls on a slope, immediately lower the bucket to the ground.

  • Page 26: Avoid Injury From Rollaway Accidents

    SAFETY Avoid Injury from Rollaway Accidents  Death or serious injury may result if you attempt to mount or stop a moving machine. To avoid rollaways:  Select level ground when possible to park the machine.  Do not park the machine on a grade. ...

  • Page 27: Avoid Injury From Back-Over And Swing Accidents

    SAFETY Avoid Injury from Back-Over and Swing Accidents  If any person is present near the machine when backing or swinging the upperstructure, the machine may hit or run over that person, resulting in serious injury or death. To avoid back-over and swing accidents: ...

  • Page 28: Keep Person Clear From Working Area

    SAFETY Keep Person Clear from Working Area  A person may be hit severely by the swinging front attachment or counterweight and/or may be crushed against an other object, resulting in serious injury or death.  Keep all persons clear from the area of operation and machine movement.

  • Page 29: Avoid Undercutting

    SAFETY Avoid Undercutting  In order to retreat from the edge of an excavation if the footing should collapse, always position the undercarriage perpendicular to the edge of the excavation with the travel motors at the rear.  If the footing starts to collapse and if retreat is not possible, do not panic.

  • Page 30: Never Undercut A High Bank

    SAFETY Never Undercut a High Bank  The edges could collapse or a land slide could occur causing serious injury or death. SA-489 Dig with Caution  Accidental severing of underground cables or gas lines may cause an explosion and/or fire, possibly resulting in serious injury or death.

  • Page 31: Avoid Power Lines

    SAFETY Avoid Power Lines  Serious injury or death can result if the machine or front attachments are not kept a safe distance from electric lines.  When operating near an electric line, NEVER move any part of the machine or load closer than 3 m plus twice the line insulator length.

  • Page 32: Object Handling

    SAFETY Object Handling  If a lifted load should fall, any person nearby may be struck by the falling load or may be crushed underneath it, resulting in serious injury or death.  When using the machine for craning operations, be sure to comply with all local regulations.

  • Page 33: Park Machine Safely

    SAFETY Park Machine Safely To avoid accidents:  Park machine on a firm, level surface.  Lower bucket to the ground.  Turn auto-idle switch OFF.  Run engine at slow idle speed without load for 5 minutes.  Turn key switch to OFF to stop engine. ...

  • Page 34: Transport Safely

    SAFETY Transport Safely  Take care the machine may turn over when loading or unloading the machine onto or off of a truck or trailer.  Observe the related regulations and rules for safe transportation.  Select an appropriate truck or trailer for the machine to be transported.

  • Page 35: Practice Safe Maintenance

    SAFETY Practice Safe Maintenance To avoid accidents:  Understand service procedures before starting work.  Keep the work area clean and dry.  Do not spray water or steam inside cab.  Never lubricate or service the machine while it is moving. ...

  • Page 36: Warn Others Of Service Work

    SAFETY  Sufficiently illuminate the work site. Use a maintenance work light when working under or inside the machine.  Always use a work light protected with a guard. In case the light bulb is broken, spilled fuel, oil, antifreeze fluid, or window washer fluid may catch fire.

  • Page 37: Stay Clear Of Moving Parts

    SAFETY Stay Clear of Moving Parts  Entanglement in moving parts can cause serious injury.  To prevent accidents, care should be taken to ensure that hands, feet, clothing, jewelry and hair do not become entangled when working around rotating parts. SA-026 SA-2294 Prevent Parts from Flying...

  • Page 38: Store Attachments Safely

    SAFETY Store Attachments Safely  Stored attachments such as buckets, hydraulic hammers, and blades can fall and cause serious injury or death.  Securely store attachments and implements to prevent falling. Keep children and bystanders away from storage areas. SA-034 Prevent Burns Hot spraying fluids: ...

  • Page 39: Replace Rubber Hoses Periodically

    SAFETY Replace Rubber Hoses Periodically  Rubber hoses that contain flammable fluids under pressure may break due to aging, fatigue, and abrasion. It is very difficult to gauge the extent of deterioration due to aging, fatigue, and abrasion of rubber hoses by inspection alone. ...

  • Page 40: Prevent Fires

    SAFETY Prevent Fires Check for Oil Leaks:  Fuel, hydraulic oil and lubricant leaks can lead to fires.  Check for oil leaks due to missing or loose clamps, kinked hoses, lines or hoses that rub against each other, damage to the oil-cooler, and loose oil-cooler flange bolts.
  • Page 41 SAFETY Clean up Flammable Materials:  Spilled fuel and oil, and trash, grease, debris, accumulated coal dust, and other flammable materials may cause fires.  Prevent fires by inspecting and cleaning the machine daily, and by removing adhered oil or accumulated flammable materials immediately.

  • Page 42: Evacuating In Case Of Fire

    SAFETY Evacuating in Case of Fire  If a fire breaks out, evacuate the machine in the following way:  Stop the engine by turning the key switch to the OFF position if there is time.  Use a fire extinguisher if there is time. ...

  • Page 43: Precautions For Welding And Grinding

    SAFETY Precautions for Welding and Grinding  Welding may generate gas and/or small fires.  Be sure to perform welding in a well ventilated and prepared area. Store flammable objects in a safe place before starting welding.  Only qualified personnel should perform welding. Never allow an unqualified person to perform welding.

  • Page 44: Avoid Heating Near Pressurized Fluid Lines

     Keep the units away from open flames and fire.  Do not bore a hole, do not cut by torch.  Avoid giving shocks by hitting or rolling the unit.  Before disposing the unit, sealed gas must be released. Consult your nearest Hitachi dealer. S-34...

  • Page 45: Remove Paint Before Welding Or Heating

     Keep bystanders out of the work site during operation.  Asbestos fibers might be present in imitation parts. Use only genuine Hitachi Parts. S-35...

  • Page 46: Prevent Battery Explosions

    SAFETY Prevent Battery Explosions  Battery gas can explode.  Keep sparks, lighted matches, and flame away from the top of battery.  Never check battery charge by placing a metal object across the posts. Use a voltmeter or hydrometer. ...

  • Page 47: Handle Chemical Products Safely

     Improperly disposing of waste can threaten the environment and ecology. Potentially harmful waste used with HITACHI equipment includes such items as oil, fuel, coolant, brake fluid, filters, and batteries.  Use leakproof containers when draining fluids. Do not use food or beverage containers that may mislead someone into drinking from them.

  • Page 48: Never Ride Attachment

    SAFETY Never Ride Attachment Never allow anyone to ride attachments or load. This is an extremely dangerous practice. Precautions for Communication Terminal Electrical wave transmitted from the communication terminal may cause malfunction of other electronic devices. Inquire the device manufacturer for electrical wave disturbance upon using an electronic device near the communication terminal.

  • Page 49: Precaution For Communication Terminal Equipment

    SAFETY Precaution for Communication Terminal Equipment This machine has a communication terminal equipment emitting electrical waves installed inside a rear tray which is situated at the back of the driver's seat. There is a possibility that a medical device, including an implantable device such as a cardiac pacemaker, would be affected and would malfunction by the electrical waves emitted from the communication terminal equipment.
  • Page 50 (Before removing or installing the communication terminal, consult your authorized Hitachi dealer.)  Do not pinch or forcibly pull cables, cords and connectors. Failure to do so may cause damage or fire on the machine and the communication terminal due to short/broken circuit.

  • Page 51: Notes On Protection Of Operator's Station When The Machine Rolls Over

    SAFETY Notes on Protection of Operator’s Station When the Machine Rolls Over The cab corresponds to the structure to protect the operator by absorbing impact energy when the machine rolls over (Roll- Over Protective Structure (ROPS)). However, when the machine mass exceeds the maximum operating mass described in the ROPS certification by modifying the machine or installing a special attachment, the cab can not fulfill its protective function, possibly causing...

  • Page 52: Safety Signs

    Use the part No. indicated under the right corner of each safety sign illustration when placing an order of it to the Hitachi dealer. ZX75US-5A ZX85USB-5A...
  • Page 53 SAFETY SIGNS WARNING! Prior to operation, maintenance, disassembling, and transportation of the machine, be sure to read and understand the Operator’s Manual. SS4420332 Sign indicates an electrocution hazard if machine is brought too near electric power lines. Keep a safe distance from electric power lines. SS-862 Sign indicates a hazard from falling window.
  • Page 54 SAFETY SIGNS If the machine should overturn, the operator may become injured and/or throw from the cab and/or crushed by the overturning machine. SS3088058 When moving the seat height/tilt lever downward, press the lever grip with a palm from the top side. Do not grasp the lever grip to operate the lever, possibly resulting in pinch of your fingers into the seat stand.
  • Page 55 SAFETY SIGNS Sign indicates a hazard of a flying plug from track adjuster that could cause injury. Read manual before adjusting track for safe and proper handling. SS-408 Sign indicates a burn hazard from compressed air and spurting hot oil if the oil inlet is uncapped during or right after operation.
  • Page 56 SAFETY SIGNS Sign indicates a burn hazard from spurting hot water or oil if radiator or hydraulic oil tank is uncapped while hot. Allow radiator or hydraulic oil tank to cool before removing cap. SS4456963 Sign indicates the hazard of rotating parts, such as fan, etc that could cause injury by being caught.
  • Page 57 SAFETY SIGNS Sign indicates an explosion hazard. Keep fire and open flames away from this area. Skin contact with electrolyte will cause burns. Splashed electrolyte into eyes will cause blindness. Take care not to touch electrolyte. SSYD00005241 SS4467093 Possible severe burns. Do not touch the engine components while they are hot.
  • Page 58 SAFETY SIGNS MEMO ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................S-48...

  • Page 59: Components Name

    COMPONENTS NAME Components Name 1- Bucket 2- Bucket Cylinder 3- Arm 4- Arm Cylinder 5- Boom Cylinder 6- Boom 7- Fuel Tank 8- Hydraulic Oil Tank 9- Engine 10- Counterweight 11- Blade 12- Blade Cylinder 13- Travel Device 14- Track 15- Front Idler 16- Cab 17- Boom Swing Post...

  • Page 60: Getting On/Off The Machine

    GETTING ON/OFF THE MACHINE Getting ON/OFF the Machine Handrails (1) are provided in and around the machine. These are used to get on and off the cab safely as well as to do inspection and maintenance of the machine safely. Never jump on or off the machine as it is very dangerous.

  • Page 61: Operator's Station

    OPERATOR'S STATION Cab Features ZX75US-5A 1- Left Control Lever/Horn Switch 2- Left Travel Pedal 3- Left Travel Lever 4- Right Travel Lever 5- Right Travel Pedal 6- Right Control Lever 7- Multi Function Monitor Panel 8- Switch Panel 9- Key Switch 10- Document Holder 11- Operator's Seat 12- Cab Door Release Lever...

  • Page 62: Zx85Usb-5A

    OPERATOR'S STATION ZX85USB-5A 1- Left Control Lever/Horn Switch 2- Left Travel Pedal 3- Left Travel Lever 4- Right Travel Lever 5- Right Travel Pedal 6- Right Control Lever (On Top of Lever) 7- Multi Function Monitor Panel 8- Switch Panel 9- Key Switch 10- Document Holder 11- Operator's Seat...

  • Page 63: Multi Function Monitor

    OPERATOR'S STATION Multi Function Monitor Feature The multi function monitor displays various meters, indicators, radio and air conditioner, numeric keypad lock function, rearview camera image, work mode selection and maintenance screen. Screen Configuration The multi function monitor consists of the following screens.

  • Page 64: Default Setting

    OPERATOR'S STATION Default Setting Function Item Default Auto Shut-Down ON/OFF of Auto Shut-down Setting Time 1 min NOTE: Typical functions are shown in the table. Check the initial values of other functions on each monitor screen.

  • Page 65: Basic Screen

    OPERATOR'S STATION Basic Screen 1- Work Mode Display 2- Auto-Idle Display 3- Power Mode Display 4- Hour Meter, Clock 5- Auxiliary 6- Auxiliary 7- Preheat Display 8- Seat Belt Display 9- Fuel Gauge 10- Radio Display 11- Air Conditioner Display 12- Coolant Temperature Gauge 13- Auxiliary MDED-01-505...

  • Page 66: How To Use Screens

    OPERATOR'S STATION How to Use Screens Displaying Basic Screen IMPORTANT: Start the engine after the basic screen is displayed. When the key switch is turned to the ACC or ON position, the starting screen displays for about two seconds. When the key switch is kept in ACC position, only hour meter, clock and radio will be displayed.
  • Page 67 OPERATOR'S STATION  Display of Meters Work Mode Items to be displayed 4- Hour Meter, Clock 9- Fuel Gauge 12- Coolant Temperature Gauge  Work Mode Display The attachments being used are displayed. Digging Mode MDAA-01-001EN...
  • Page 68 OPERATOR'S STATION  Auto-Idle Display (2) When the auto-idle is selected from the switch panel, the auto-idle display (2) displays. When the key switch is turned ON while the auto-idle switch is also ON, the auto-idle display blinks for 10 seconds.

  • Page 69: Hour Meter

    OPERATOR'S STATION  Auto Shut-Down Display (16) When the auto shut-down is turned ON from the menu screen, the auto shut-down display (16) displays. When the key switch is turned ON while the auto shut- down is enabled, the auto shut-down display blinks for 10 seconds.

  • Page 70: Coolant Temperature Gauge

    OPERATOR'S STATION Coolant Temperature Gauge The engine coolant temperature is indicated with a needle. Normally the needle is around the center of the scale during operation. M1U1-01-047 Operating Status Icon Display Displays icons indicating the current status of the power mode (1), preheat indicator (2), travel mode (3), auto shut- down (4) ON and auto-idle (5) ON selected from the switch panel, when these systems are activated.

  • Page 71: Security Functions (Optional)

    Security Functions (Optional) Input Password IMPORTANT:  When required to activate the numeric keypad function, consult your nearest Hitachi dealer.  If the password is forgotten, the machine must be modified. Be extremely careful not to forget the password. MDAA-01-003EN Starting Screen 1.

  • Page 72: Extending Password Duration Time

    OPERATOR'S STATION Extending Password Duration Time IMPORTANT: This operation is applicable only to those machines that require a password. By using the password duration screen, password duration time can be set. When restarting the machine, a password need not be input within the specified timeframe. 1.

  • Page 73: Alarm Occurrence Screen

    OPERATOR'S STATION Alarm Occurrence Screen In case any abnormality occurs, alarm marks (1) are displayed on the basic screen. If six or more alarms are generated, the alarm marks (1) can be scrolled by rotating switch (2). Indicator MDED-01-316 MDCD-01-026 1-15...
  • Page 74 OPERATOR'S STATION Follow the procedure below to display detailed information for an alarm. Push selector knob (1) on the basic screen to display the main menu. Rotate selector knob (1) to select the alarm list, and push selector knob (1). Rotate selector knob (1) to select a required alarm from the alarm list, and push selector knob (1).

  • Page 75: Remedy

    Stop operation. Run the engine at slow idle speed to lower the coolant temperature. Engine Trouble Alarm** Engine or engine related parts are abnormal. Consult your nearest Hitachi dealer. Engine Oil Pressure Alarm Engine oil pressure has decreased. Immediately stop the engine. Check the engine oil system and oil level.
  • Page 76 Air filter elements are clogged. Clean or replace air filter elements. System Failure Alarm Communication system is abnormal. Consult your nearest Hitachi dealer. Pilot Control Shut-Off Lever Pilot control shut-off lever system is abnormal. Alarm Consult your nearest Hitachi dealer.
  • Page 77 OPERATOR'S STATION  Fuel Sensor Error Display Coolant Temperature Fuel Sensor Error Display If the fuel sensor is faulty, the color of the fuel mark changes Sensor Error Display and the needle disappears. If the harness between the fuel sensor and the controller unit is broken, the needle disappears.

  • Page 78: Main Menu

    OPERATOR'S STATION Main Menu Press selector knob (2) while displaying basic screen (1) to display main menu screen (3). The main menu screen contains the items shown in the figure to the right. The alarm list is displayed only when an alarm is generated.

  • Page 79: Air Conditioner

    When the function is OFF, the mark "" is displayed in gray. IMPORTANT: If mark (10) is displayed on the air conditioner display, communication between the air conditioner and the monitor is abnormal. Consult your nearest Hitachi dealer. MDED-01-089EN MDAA-01-091EN MDAA-01-226 1-21...

  • Page 80: Radio

    IMPORTANT: If mark (7) is displayed on the radio display, communication between the radio and the monitor is abnormal. Consult your nearest Hitachi dealer. Press the numeric keypad of 1 to 8 while the radio is ON, the radio station will switch to memorized channel of 1 to 8. (Refer...

  • Page 81: Mail (Optional)

    IMPORTANT: This function is available only to a machine equipped with a communication terminal. When using the mail function, consult your nearest Hitachi dealer. 1. Press selector knob (2) while displaying Basic Screen (1) to display Main Menu screen (3).
  • Page 82 OPERATOR'S STATION 6. While mail information is sent to the communication terminal, the message "Wait." is displayed on the screen. MDAA-01-111EN 7. When the communication terminal completes receiving mail information, the message "Request Is Accepted." is displayed on the screen. Push the back key to return to the Mail screen.

  • Page 83: Setting Menu

    OPERATOR'S STATION Setting Menu Setting menu consists of date and time setting, attachment adjustment, attachment name, auto shut-down setting, change password, brightness adjustment of back monitor and screen. 1. Press selector knob (2) while displaying Basic Screen (1) to display Main Menu screen (3). 2.

  • Page 84: Date And Time

    OPERATOR'S STATION Date and Time Time, date and display mode can be set on this screen. Year- month-day format and 24h/12h display mode are selected in the display setting. Time Adjustment 1. Press selector knob (2) while displaying Basic Screen (1) to display Main Menu screen (3).
  • Page 85 OPERATOR'S STATION 5. Press selector knob (2) to display Date and Time screen (7). MDCD-01-026 6. Rotate selector knob (2) to highlight Time Setting (8). 7. Press selector knob (2) to display Time Setting screen (9). MDAA-01-117EN 8. Rotate selector knob (2) to highlight Hour or Minute and push selector knob (2).

  • Page 86: Date Adjustment

    OPERATOR'S STATION Date Adjustment 1. Press selector knob (2) while displaying Basic Screen (1) to display Main Menu screen (3). 2. Rotate selector knob (2) to highlight Setting Menu (4). 3. Press selector knob (2) to display Setting Menu screen (5).
  • Page 87 OPERATOR'S STATION 5. Press selector knob (2) to display Date and Time screen (7). MDCD-01-026 6. Rotate selector knob (2) to highlight Date Setting (8). 7. Press selector knob (2) to display Date Setting screen (9). MDAA-01-122EN 8. Rotate selector knob (2) to highlight Year, Month or Day and push selector knob (2).

  • Page 88: Display Mode Setting

    OPERATOR'S STATION Display Mode Setting 1. Press selector knob (2) while displaying Basic Screen (1) to display Main Menu screen (3). 2. Rotate selector knob (2) to highlight Setting Menu (4). 3. Press selector knob (2) to display Setting Menu screen (5).
  • Page 89 OPERATOR'S STATION 5. Press selector knob (2) to display Date and Time screen (7). MDCD-01-026 6. Rotate selector knob (2) to highlight Display Form (8). MDAA-01-228EN 7. Press selector knob (2) to display Display Form screen (9). 8. Rotate selector knob (2) to highlight Date (10) and push selector knob (2).

  • Page 90: Auto Shut-Down

    OPERATOR'S STATION Auto Shut-Down WARNING: This function automatically stops the engine. Take extra care on the work and work environment when using this function. The auto shut-down function can be set in this screen. Set the auto shut-down time and enable (ON) the function beforehand.

  • Page 91: Acting Time Setting

    OPERATOR'S STATION 5. Press selector knob (2) to display Auto Shut-Down screen (7). MDCD-01-026 6. Rotate selector knob (2) to highlight ON (8). 7. Press selector knob (2) to set the auto shut-down function ON. Press selector knob (2) again to turn the auto shut-down function OFF.

  • Page 92: Password Change (Optional)

    OPERATOR'S STATION Password Change (Optional) 1. Press selector knob (2) while displaying Basic Screen (1) to display Main Menu screen (3). MDAA-01-001EN MDCD-01-026 2. Rotate selector knob (2) to highlight Setting Menu (4). MDED-01-114EN 1-34...
  • Page 93 OPERATOR'S STATION 3. Press selector knob (2) to display Setting Menu screen (5). 4. Rotate selector knob (2) to highlight Password Change (6). MDAA-01-156EN 5. Press selector knob (2) to display Password Change screen (7). MDCD-01-026 MDAA-01-157EN 6. Input current password from the numeric keypad. Current Password MDAA-01-158EN 1-35...
  • Page 94 OPERATOR'S STATION 7. Input the new password and push selector knob (2). 3 to 8 digits can be input for password. MDAA-01-159EN New Password MDAA-01-160EN MDCD-01-026 1-36...
  • Page 95 OPERATOR'S STATION 8. Input the new password again to confirm it and push selector knob (2). MDAA-01-161EN MDAA-01-162EN 9. The password has changed. MDCD-01-026 MDAA-01-163EN 1-37...

  • Page 96: Rear View Camera Monitor

    OPERATOR'S STATION Rear View Camera Monitor IMPORTANT: The image displayed on the rear view monitor is meant only as an aid. Actual position and distance of people and objects in the rear view monitor will be different. When operating the machine, pay thorough attention to the surrounding situation.
  • Page 97 OPERATOR'S STATION 5. Press selector knob (2) to display Rear View Camera Monitor screen (7). MDCD-01-026 6. Press selector knob (2) to turn the rear view camera monitor ON/OFF. 7. When the rear view camera monitor is ON, rear view image is continuously displayed on the basic screen.

  • Page 98: Brightness Adjustment

    OPERATOR'S STATION Brightness Adjustment 1. Press selector knob (2) while displaying Basic Screen (1) to display Main Menu screen (3). MDAA-01-001EN MDCD-01-026 2. Rotate selector knob (2) to highlight Setting Menu (4). MDED-01-114EN 3. Press selector knob (2) to display Setting Menu screen (5).

  • Page 99: Operator's Station

    OPERATOR'S STATION 5. Press selector knob (2) to display Brightness Adjustment screen (7). MDCD-01-026 6. Rotate selector knob (2) clockwise to make the screen brighter, counterclockwise to make the screen darker. MDAA-01-172EN NOTE: When the light is turned ON, the monitor screen changes to night mode and mark (8) is displayed.

  • Page 100: Language Settings

    OPERATOR'S STATION Language Settings 1. Press selector knob (2) while displaying Basic Screen (1) to display Main Menu screen (3). MDAA-01-001EN 2. Rotate selector knob (2) to highlight Setting Menu (4). MDCD-01-026 MDED-01-114EN 3. Press selector knob (2) to display Setting Menu screen (5).
  • Page 101 OPERATOR'S STATION 5. Press selector knob (2) to display screen (7). 6. Rotate selector knob (2) to highlight the desired language. Press selector knob (2) to make the change. MDCD-01-026 NOTE: When a display is selected, the mark "" is displayed in green.

  • Page 102: Lists Of Display Language

    OPERATOR'S STATION Lists of Display Language Language Screen Display Language Screen Display Japanese Indonesian English Thai Spanish Vietnamese Italian Myanmarese French Arabic German Persian Dutch Turkish Russian Danish Portuguese Esthonian Finnish Polish Greek Icelandic Swedish Croatian Norwegian Slovenian Chinese (Simplified) Romanian Chinese (Traditional) Bulgarian...

  • Page 103: Unit Selection

    OPERATOR'S STATION Unit Selection Unit system displayed on the monitor can be selected in this screen. 1. Press selector knob (2) while displaying Basic Screen (1) to display Main Menu screen (3). MDAA-01-001EN MDCD-01-026 2. Rotate selector knob (2) to highlight Setting Menu (4). MDED-01-114EN 3.
  • Page 104 OPERATOR'S STATION 5. Press selector knob (2) to display Unit Selection screen (7). MDCD-01-026 6. Rotate selector knob (2) to highlight desired unit system. Press selector knob (2) to set the unit (Metric or US system). MDAA-01-182EN 7. Before changing °C and °F, turn the blower of the air conditioner ON.

  • Page 105: Display Item Selection (Rear View Camera Off)

    OPERATOR'S STATION Display Item Selection (Rear View Camera OFF) The display under the meters can be set to OFF (disable), Logo or Operational information. 1. Press selector knob (2) while displaying Basic Screen (1) to display Main Menu screen (3). MDAA-01-001EN MDCD-01-026 2.
  • Page 106 OPERATOR'S STATION 5. Press selector knob (2) to display Display Item Selection screen (7). MDCD-01-026 6. Rotate selector knob (2) to highlight desired display (8). Press selector knob (2) to set the image. (Selecting OFF sets non-display.) NOTE: When a display is selected, the mark "" is displayed in green.

  • Page 107: Main Menu Sequence Change

    OPERATOR'S STATION Main Menu Sequence Change Menu sequence of Air Conditioner, Radio, Work Mode and Mail can be changed in this screen. Frequently used menu can be located on top of the screen. 1. Press selector knob (2) while displaying Basic Screen (1) to display Main Menu screen (3).
  • Page 108 OPERATOR'S STATION 3. Press selector knob (2) to display Setting Menu screen (5). 4. Rotate selector knob (2) to highlight Main Menu Sequence Change (6). MDAA-01-186EN 5. Press selector knob (2) to display Main Menu Sequence Change screen (7). MDCD-01-026 6.

  • Page 109: Information Menu

    OPERATOR'S STATION Information Menu The information menu includes Operation, Maintenance and Monitoring. 1. Press selector knob (2) while displaying Basic Screen (1) to display Main Menu screen (3). 2. Rotate selector knob (2) to highlight Information Menu (4). 3. Press selector knob (2) to display Information Menu screen (5).

  • Page 110: Operation

    OPERATOR'S STATION Operation The Operation screen displays Machine Operation Hours, Attachment Operation, Travel Operation, and Actual Operation menu. The Machine Operation Hours screen displays machine operation hours from resetting the monitoring unit. The Attachment Operation screen displays total operating hours of front attachment, travel and all operation from resetting the monitoring unit.
  • Page 111 OPERATOR'S STATION 5. Press selector knob (2) to display Operation screen (7). MDCD-01-026 6. Rotate selector knob (2) to highlight Machine Operation Hours (8). 7. Press selector knob (2) to display Machine Operation Hours screen. MDEB-01-193EN The Machine Operation Hours can be checked on this screen.

  • Page 112: Attachment Operation (Optional)

    OPERATOR'S STATION Attachment Operation (Optional) IMPORTANT: When required to activate the attachment operation, consult your nearest Hitachi dealer. 1. Press selector knob (2) while displaying Basic Screen (1) to display Main Menu screen (3). 2. Rotate selector knob (2) to highlight Information Menu (4).
  • Page 113 OPERATOR'S STATION 5. Press selector knob (2) to display operation screen (7). MDCD-01-026 6. Rotate selector knob (2) to highlight Attachment Operation (8). MDEB-01-199EN 7. Press selector knob (2) to display Attachment Operation screen (9). The attachment Operating Time can be checked in this screen.

  • Page 114: Travel Operation

    OPERATOR'S STATION Travel Operation 1. Press selector knob (2) while displaying Basic Screen (1) to display Main Menu screen (3). 2. Rotate selector knob (2) to highlight Information Menu (4). 3. Press selector knob (2) to display Information Menu screen (5). 4.
  • Page 115 OPERATOR'S STATION 5. Press selector knob (2) to display operation screen (7). MDCD-01-026 6. Rotate selector knob (2) to highlight Travel Operation (8). 7. Press selector knob (2) to display Travel Operation screen (9). MDEB-01-202EN Total Travel Operation Time can be checked in this screen. Push selector knob (2) to return the previous screen.

  • Page 116: Actual Operation

    OPERATOR'S STATION Actual operation 1. Press selector knob (2) while displaying Basic Screen (1) to display Main Menu screen (3). 2. Rotate selector knob (2) to highlight Information Menu (4). 3. Press selector knob (2) to display Information Menu screen (5). 4.
  • Page 117 OPERATOR'S STATION 5. Press selector knob (2) to display operation screen (7). MDCD-01-026 6. Rotate selector knob (2) to highlight Actual Operation (8). 7. Press selector knob (2) to display Actual Operation screen (9). MDEB-01-205EN The actual Operating Time can be checked in this screen. Push selector knob (2) to return the previous screen.

  • Page 118: Maintenance

    OPERATOR'S STATION Maintenance The maintenance screen includes maintenance notice, remaining hours until the next maintenance, and maintenance intervals. Maintenance Items  Engine Oil  Engine Oil Filter  Hydraulic Oil  Hydraulic Oil Pilot Filter  Hydraulic Oil Full-Flow Filter ...
  • Page 119 OPERATOR'S STATION 5. Press selector knob (2) to display Maintenance screen (7). MDCD-01-026 6. Rotate selector knob (2) to highlight Maintenance Notice (8). 7. Press selector knob (2) to turn the Maintenance Notice ON. Press selector knob (2) again to turn the Maintenance Notice OFF.

  • Page 120: Time Remains And Maintenance Interval

    OPERATOR'S STATION Time Remains and Maintenance Interval 1. Press selector knob (2) while displaying Basic Screen (1) to display Main Menu screen (3). 2. Rotate selector knob (2) to highlight Information Menu (4). 3. Press selector knob (2) to display Information Menu screen (5).
  • Page 121 OPERATOR'S STATION 5. Press selector knob (2) to display Maintenance screen (7). MDCD-01-026 6. Rotate selector knob (2) to highlight a maintenance item to be checked (8). (In the right example, Engine Oil is selected.) 7. Press selector knob (2) to display the time remaining for the selected maintenance item.

  • Page 122: Monitoring

    OPERATOR'S STATION Monitoring Engine speed can be checked in this screen. 1. Press selector knob (2) while displaying Basic Screen (1) to display Main Menu screen (3). 2. Rotate selector knob (2) to highlight Information Menu (4). 3. Press selector knob (2) to display Information Menu screen (5).
  • Page 123 OPERATOR'S STATION 5. Press selector knob (2) to display Monitoring screen (7). MDCD-01-026 MDED-01-221EN 1-65...

  • Page 124: Switch Panel

    OPERATOR'S STATION Switch Panel 1- Return to Previous Screen 2- Return to Basic Screen 3- Selector Knob 4- Temperature Control Switch/Mode Switch 5- AUTO/OFF Switch/Fan Switch 6- AM/FM Selector/Tuning Switch 7- Power Switch/Volume Control Knob 8- Engine Control Dial 9- Auto-Idle Switch 10- Travel Mode Switch 11- Power Mode Switch 12- Work Light Switch...

  • Page 125: Return To Previous Screen (Monitor)

    OPERATOR'S STATION Return to Previous Screen (Monitor) Push this switch to return to the previous screen. MDAA-01-010 Return to Basic Screen (Monitor) Allows any screen to return to the basic screen. MDAA-01-011 Select/Confirm Switch (Monitor) Push : Push this switch while the basic screen is displayed, the menu screen opens.

  • Page 126: Am/Fm Selector/Tuning Switch (Radio)

    OPERATOR'S STATION AM/FM Selector/Tuning Switch (Radio) Push : AM/FM is selected. Rotate : Adjusting radio frequency. MDAA-01-014 Power Switch/Volume Control Knob (Radio) Push : Push: Turns power ON/OFF. Rotate : Adjusting the volume. MDAA-01-016 Engine Control Dial Fast Idle Use engine control dial (1) to adjust engine speed. The fully clockwise position : Fast Idle Counterclockwise : Slow Idle...

  • Page 127: Auto-Idle Switch

    OPERATOR'S STATION Auto-Idle Switch The auto-idle switch sets the engine speed control mode to either Auto-Idle ON or OFF.  Auto-Idle Speed When auto-idle selector is turned to ON position, the engine speed decreases to the idle after approximately 4 seconds at the state in which the work lever is turned to MDAA-01-017 neutral.

  • Page 128: Power Mode Switch

    OPERATOR'S STATION Power Mode Switch Two engine speed modes, ECO and PWR modes are selected by operating the power mode switch. MDAA-01-274  ECO (Economy) Mode Operate the machine in this mode when performing normal work. ECO is displayed on Power Mode Display (1). MDAA-01-001EN ...

  • Page 129: Operator's Station

    OPERATOR'S STATION Wiper/Washer Switch The wiper and the window washer are operated using the Middle Fast wiper/washer switch. Slow  Wiper Turn the wiper/washer switch to the specified position to operate the wiper. The wiper stops and is retracted. INT Position The wiper operates intermittently at the interval selected by the switch position as MBFM-01-005...

  • Page 130: Overhead Window Wiper And Washer Switch (Zx75Us-5A) (Optional)

    OPERATOR'S STATION Overhead Window Wiper and Washer Switch (ZX75US- 5A) (Optional)  Wiper Middle Fast Turn the wiper/washer switch to the specified position to Slow operate the wiper. The wiper stops and is retracted. INT Position The wiper operates intermittently at the interval selected by the switch position as described below.

  • Page 131: Switch Panel (For Optional Equipment)

    OPERATOR'S STATION Switch Panel (for Optional Equipment) Optional Switch Armrest Adjustment Location NOTE: The optional switch locations differ depending on the kinds of optional devices are equipped. Before using the switches, make sure what kinds of optional devices are equipped. Raise the armrest when operating the optional switch.

  • Page 132: Travel Alarm Deactivation Switch (Optional)

    OPERATOR'S STATION Travel Alarm Deactivation Switch (Optional) The travel alarm buzzer sounds during travel operation. When pushing the mark of travel alarm deactivation switch (1), the travel alarm buzzer function is deactivated. M1U1-01-035 Swing Alarm Deactivation Switch (Optional) The swing alarm system sounds the buzzer and turns the beacon light ON during swing operation.

  • Page 133: Seat Heater Switch

    OPERATOR'S STATION Seat Heater Switch When seat heater switch (6) is turned ON, the seat surface is heated so that the seat section becomes warm. When the temperature of the seat section is raised to the specified temperature, heating is automatically stopped. M1U1-01-011 Revolving Light Switch (Optional) When revolving light switch (7) is turned ON, the revolving...

  • Page 134: Key Switch

    OPERATOR'S STATION Key Switch 1- OFF (Engine Off ) 2- ACC (Horn, Radio etc.) 3- ON (Engine ON) 4- START (Engine Start) MDCD-01-030 Horn Switch Horn switch (6) is provided on the top of the left control lever. The horn continuously sounds as long as the switch is pressed. MDAA-01-293 1-76...

  • Page 135: Electrical Control Switch (Optional)

    OPERATOR'S STATION Electrical Control Switch (Optional)  Attachment Switch (Assist Operation) (Main Operation) This switch is mainly used for optional devices and attachments having rotary or tilt function. The attachment becomes operable when ON of electrical control main switch (1) is pushed and main switch indicator (2) is lit. IMPORTANT: The attachment switch is operable only MDAA-01-311 when indicator (2) of electrical control main switch (1)
  • Page 136  Do not use any of these switches to attach or remove QuickHitch or any other couplers or attachments.  HITACHI does not bear any responsibility for any human injury, property damage, malfunction and/or physical loss or damage to the excavator or any part...

  • Page 137: Cigar Lighter

    IMPORTANT: In case the cigar lighter does not pop out automatically 30 seconds after pushing the cigar lighter in, pull out the cigar lighter manually. Then, consult the your nearest Hitachi dealer. 1. Turn key switch (1) to the ACC or ON position. MDCD-01-030 2.

  • Page 138: Cab Light Switch

    OPERATOR'S STATION Cab Light Switch Push switch (1) on the cab light to turn the cab light ON. : The cab light comes and stays ON. (The light does not turn ON while the key OFF.) : The light goes OFF. DOOR : The room lamp lights on in conjunction with (ZX75US-5A)

  • Page 139: Installing Fire Extinguisher (Optional)

    OPERATOR'S STATION Installing Fire Extinguisher (Optional) A fire extinguisher can be installed at the left rear corner inside the cab. Consult your nearest HITACHI dealer to install a fire extinguisher. MDCN-01-007 Fire Extinguisher ZX75US-5A Fire Extinguisher ZX85USB-5A MDED-01-009 1-81...

  • Page 140: Pilot Control Shut-Off Lever

    OPERATOR'S STATION Pilot Control Shut-Off Lever Pilot control shut-off lever (1) functions to prevent the machine from being mistakenly operated when the operator is getting on or off the machine. WARNING:  Always pull pilot control shut-off lever (1) into the full LOCK position.

  • Page 141: Engine Stop Switch

    OPERATOR'S STATION Engine Stop Switch In case the engine does not stop even if the key switch is turned OFF due to failure of the machine, move switch (2) located at the front-left side of the seat stand downward to stop the engine.

  • Page 142: Fuse Box

    OPERATOR'S STATION Fuse Box Fuse Box B Fuse Box A Fuse Box C Fuse Box A 10- CONTROLLER 20- OPTION3 (BATT) 9- BACKUP 19- HORN 10 A 10 A 8- SPARE 18- IDLE STOP 7- START 17- FUEL PUMP 6- OPTION2 (ALT) 16- POWER ON ZX75US-5A MDCN-01-010...

  • Page 143: Auto Air Conditioner

    OPERATOR'S STATION Auto Air Conditioner Features  Full Auto-Temperature Control: Automatically controls the cab temperature to maintain the temperature set by the temperature control switch regardless of outside air temperature and insolation.  Max. Cooling and Heating: Maximum cooling or heating can be obtained by rotating the temperature control switch clockwise (32 °C) or counterclockwise (18 °C) respectively.

  • Page 144: Components Name

    OPERATOR'S STATION Components Name 1- Front Vent 2- Foot Vent 3- Defroster Vent 4- Rear Vent 5- Temperature Control Switch/Mode Switch 6- AUTO/OFF Switch/Fan Switch NOTE: Air flow direction can be changed by controlling the ZX75US-5A MDAA-01-295 louvers at all air vents except for foot vents (2). In addition, the louvers on front vent (1) and defroster vent (3) can be completely opened and closed by hand.

  • Page 145: Controller Part Name And Function

    OPERATOR'S STATION Controller Part Name and Function  Mode Switch (5) Selects the air vent. The selected air vent is indicated on monitor (7). Air flows out of front vent and the defroster vents. (Including defroster vent) Air flows out of the front, rear and the defroster vents.
  • Page 146 OPERATOR'S STATION  Blower Switch (6)  When the AUTO indicator (8) is ON, the blower speed is automatically controlled.  When AUTO indicator (8) is OFF, the blower speed is controlled in 6 steps. Rotate blower switch (6) clockwise to increase blower speed.

  • Page 147: Cab Heater Operation

    OPERATOR'S STATION Cab Heater Operation 1. AUTO switch (6): According to signals sent from various sensors, the air conditioner amplifier automatically selects the air flow-in vents, air suction ports, and air flow-in temperature at the vent, and controls the blower speed. 2.

  • Page 148: Cooling Operation

    OPERATOR'S STATION Cooling Operation 1. AUTO switch (6): Press AUTO switch (6) to set the air conditioner AUTO mode. According to signals sent from various sensors, the air conditioner amplifier automatically selects the air flow-in vents, air suction ports, and air flow-in temperature at the vent, and controls the blower speed.

  • Page 149: Defroster Operation

    OPERATOR'S STATION Defroster Operation 1. Press AUTO Switch (6) to blow out temperature- controlled air. During cold weather season when starting the engine, the engine coolant temperature and air temperature in the cab are low. The Heater Start- Operation Control System controls the blow rate to the minimum (LO) in order to restricts cool air from flowing into the cab.

  • Page 150: Tips For Optimal Air Conditioner Usage

    OPERATOR'S STATION Tips for Optimal Air Conditioner Usage Air Conditioner Sensor For Rapid Cooling Temperature in the cab may rise over 80 °C (176 °F) when the machine is exposed to sun light in the summer. In this case, ventilate air in the cab first by opening the windows for rapid cooling.

  • Page 151: Am/Fm Radio Operation

    OPERATOR'S STATION AM/FM Radio Operation CAUTION: Refrain from listening to the radio in the cab while operating the machine Controls on the Radio 1- AM/FM Selector/Tuning Switch "FM" and "AM" are switched over alternately each time the switch is pressed. Rotate the tuning knob clockwise to increase frequency, counterclockwise to decrease frequency.

  • Page 152: Station Presetting Procedure

    OPERATOR'S STATION Station Presetting Procedure Setting from Monitor 1. Select the desired station. Refer to the "Tuning Procedure" in the previous section. 2. Press selector knob (1) while displaying basic screen (2) to display main menu screen (3). Rotate selector knob (1) to highlight radio (4).

  • Page 153: Station Auto-Presetting Procedure

    OPERATOR'S STATION Station Auto-Presetting Procedure Receivable stations can be automatically sought and preset to the memory. 1. Press selector knob (1) while displaying basic screen (2) to display main menu screen (3). 2. Rotate selector knob (1) to highlight Radio (4). Press selector knob (1) to display Radio screen (5).

  • Page 154: Tone Control

    OPERATOR'S STATION TONE Control 1. Press selector knob (1) while displaying basic screen (3) to display main menu screen (4). 2. Rotate selector knob (1) to highlight Radio (5). Press selector knob (1) to display Radio screen (6). 3. Rotate selector knob (1) to highlight TONE (7). 4.

  • Page 155: Audio Input (Optional)

    OPERATOR'S STATION Audio Input (Optional) IMPORTANT: This function is available only to a machine equipped with an audio input (optional). Use this function with proper sound volume. Audio Input Selection Attach the audio input (optional) device and push AM/FM Switch/Tuning Switch (1) to display AM and FM screen as well as AUX input screen (3).

  • Page 156: Cab Door Release Lever

    OPERATOR'S STATION Cab Door Release Lever CAUTION:  Open the cab door all the way until it securely locks in the latch on the side of the cab.  Do not unlock the cab door when the machine is parked on a slope or while the wind is blowing hard. The cab door may close accidently, possibly resulting in personal injury.

  • Page 157: Opening/Closing And Removing Cab Inside Window

    OPERATOR'S STATION Opening/Closing and Removing Cab Inside Window WARNING:  Open, close or remove the upper-front cab window, overhead window, cab door window or lower-front window only after lowering the front attachment to the ground and pulling up pilot control shut-off lever (1) to the LOCK position.

  • Page 158: Opening Upper Front Window

    OPERATOR'S STATION Opening Upper Front Window ZX75US-5A Opening Upper Front Window 1. Press lock release lever (1) at the upper center to release the upper front window lock. 2. Holding lock release lever (1) at the upper center and lower handle (4) on the upper front window as illustrated, pull the upper front window up and back until auto locks (3) at both sides of the upper front window securely catches into the strikers on the ceiling.
  • Page 159 OPERATOR'S STATION ZX85USB-5A 1. Press lock release levers (2) at the both right and left to release the upper front window lock. 2. Hold the right and left handles (3) on the upper front window and move the upper front window up and back until lock release levers (2) are locked again.

  • Page 160: Removing And Storing Lower Front Window

    OPERATOR'S STATION Removing and Storing Lower Front Window CAUTION: Take care not to pinch yours fingers when handling the lower front window. ZX75US-5A 1. Open the upper front window beforehand when removing the lower front window. 2. While pulling the lower front window inward, raise it to remove.

  • Page 161: Opening Side Windows

    OPERATOR'S STATION Opening Side Windows ZX75US-5A Hold handle (1) and slide rear pane to open the side window. M1U4-01-007 ZX75US-5A ZX85USB-5A Open or close the rear left window by holding handle (1) and sliding the windowpane of the rear left window upward and downward.

  • Page 162: Opening/Closing Overhead Window (Std. Model)

    OPERATOR'S STATION Opening/Closing Overhead Window (Std. Model) Move lock levers (1) toward center of window. Hold handle (2) and lift window until it rises upright. With the window positioned upright, it will be secured in position by dampers (3). Hold handle (2) and pull window down until "click" sound is heard from left and right locks (1).

  • Page 163: Opening/Closing Overhead Window (Clear Hatch: If Equipped)

    OPERATOR'S STATION Opening/Closing Overhead Window (Clear Hatch: If Equipped) Move lock levers (1) toward center of window. Hold handle (2) and lift window until it rises upright. With the window positioned upright, it will be secured in position by dampers (3).

  • Page 164: Emergency Exit

    OPERATOR'S STATION Emergency Exit ZX75US-5A Escape from the cab in emergency in the following methods: WARNING: The danger of downfall is always present when escaping from the cab in emergency, possibly resulting in serious personal injury. Escape from the cab as safely as possible, depending on the posture of machine and the outside situation.
  • Page 165 OPERATOR'S STATION ZX85USB-5A Escape from the cab in emergency in the following methods: WARNING: The danger of downfall is always present when escaping from the cab in emergency, possibly resulting in serious personal injury. Escape from the cab as safely as possible, depending on the posture of machine and the outside situation.

  • Page 166: Adjusting Operator's Seat

    OPERATOR'S STATION Adjusting Operator's Seat WARNING: Adjust the seat only after lowering the front attachment on the ground and pulling up the pilot control shut-off lever to the LOCK position. Failure to do so may allow the machine to move unexpectedly if a control lever or pedal is touched with a part of the body by mistake, possibly resulting in personal injury or death.

  • Page 167: Backrest Adjustment

    OPERATOR'S STATION Backrest Adjustment Pull up lever (5) to release backrest lock. Move backrest to the desired position and release lever (5). MDAA-01-331 Armrest Adjustment (ZX75US-5A) Armrest (6) can be pulled upright by hand 90°. Pull the armrest upright by hand to get on and off the machine easily.

  • Page 168: Adjusting Operator's Seat (Optional)

    OPERATOR'S STATION Adjusting Operator's Seat (Optional) WARNING: Adjust the seat only after lowering the front attachment on the ground and pulling up the pilot control shut-off lever to the LOCK position. Failure to do so may allow the machine to move unexpectedly if a control lever or pedal is touched with a part of the body by mistake, possibly resulting in personal injury or death.

  • Page 169: Operator's Station

    OPERATOR'S STATION Suspension Adjustment Rotate knob (5) to adjust the suspension. Rotate knob (5) clockwise to decrease suspension stiffness. Rotate knob (5) counterclockwise to increase suspension stiffness. Fore-Aft Position Adjustment of Seat Surface Pull lever (6) upward to adjust the seat angle. Seat and console fore-aft adjustment range is 60 mm (2.4 in) with steps every 15 mm (0.6 in).

  • Page 170: Console Height Adjustment

    OPERATOR'S STATION Console Height Adjustment Adjust the console height to the operator's comfort and/or work conditions. Adjusting console height can be achieved using three positions provided vertically at 20 mm intervals. CAUTION: Before loosening the console, support the console. Otherwise, the console may suddenly drop, possibly causing personal injury.

  • Page 171: Installation And Adjustment Of Mirrors

    OPERATOR'S STATION Installation and Adjustment of Mirrors WARNING: Adjust the mirrors before operating the machine. Improper adjustment of the mirrors provides poor visibility, which may cause serious human injury or death. IMPORTANT: The image displayed on the rear view monitor is meant only as an aid. When operating the machine, pay thorough attention to the surrounding situation.

  • Page 172: Seat Belt

    OPERATOR'S STATION Seat Belt WARNING:  Be sure to use seat belt (1) when operating the machine.  Before operating the machine, be sure to examine seat belt (1) and attaching hardware for any failure. If any damage and/or wear are found, replace the part concerned.

  • Page 173: Break-In

    BREAK-IN Breaking in New Machine IMPORTANT: Operating a new machine at full load without first breaking in can cause scratches and/or seizures, consequently affecting the service life of the machine. Thoroughly perform break-in operation. The service life and performance of the machine can be greatly affected by operation and maintenance of the machine during the initial stage of operation.
  • Page 174 BREAK-IN MEMO ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

  • Page 175: Operating The Engine

    OPERATING THE ENGINE Inspect Machine Daily Before Starting Perform the required daily check before starting the engine.  Refer to "Maintenance" section for detailed information. Engine  Level and contamination of engine oil and coolant  Starting easiness, exhaust gas color, and noise ...

  • Page 176: Before Starting Engine

    OPERATING THE ENGINE Before Starting Engine 1. Confirm that pilot control shut-off lever (1) is in the LOCK position. 2. Confirm that all control levers are placed in neutral. 3. Insert key switch (2). Turn it to ON position. Press and hold switch (3) with the engine stopped.

  • Page 177: Starting The Engine

    Unless the numeric keypad function (ignition block system) is activated, this screen is not displayed. IMPORTANT: When required to activate the numeric keypad function (ignition block system), consult your nearest Hitachi dealer. Slow Idle MDCD-01-030 M1P1-01-068 Password Input Screen...
  • Page 178 OPERATING THE ENGINE NOTE: When the key switch is turned ON, the maintenance notification (4) for the item whose maintenance interval has expired displays for ten seconds. Press Return switch (5) or turn the pilot shut-off lever to UNLOCK position while the rear view camera is enable to delete the notification.
  • Page 179 Unless the numeric keypad function (ignition block system) is activated, this screen is not displayed. IMPORTANT: When required to activate the numeric keypad function (ignition block system), consult your nearest Hitachi dealer. Slow Idle MDCD-01-030 M1P1-03-007 Password Input Screen...
  • Page 180 OPERATING THE ENGINE NOTE: When the key switch is turned ON, the maintenance notification (4) for the item whose maintenance interval has expired displays for ten seconds. Press Return switch (5) or turn the pilot shut-off lever to UNLOCK position while the rear view camera is enable to delete the notification.

  • Page 181: Check Instruments After Starting Engine

    OPERATING THE ENGINE Check Instruments After Starting Engine Checking instruments through monitor functions After starting the engine, check the following points through the monitor functions. 1. Check that alternator alarm indicator (1) is OFF. In case alternator alarm indicator (1) stays ON, immediately stop the engine.

  • Page 182: Using Booster Batteries

    OPERATING THE ENGINE Using Booster Batteries WARNING:  An explosive gas is produced while batteries are in use or being charged. Keep open flames and sparks away from the battery area. Do not continue to use or charge the battery when electrolyte level is lower than specified.
  • Page 183 OPERATING THE ENGINE Disconnecting the booster cables 1. Disconnect black booster negative (-) cable (2) from the machine frame first. (Red) 2. Disconnect the other end of black booster negative (-) cable (2) from the booster batteries. 3. Disconnect red booster positive (+) cable (1) from the booster batteries.

  • Page 184: Stopping The Engine

    OPERATING THE ENGINE Stopping the Engine Engine Stop Procedure 1. Except for special cases, before stopping the engine, lower the bucket to the ground. 2. Pull pilot control shut-off lever (3) to LOCK position. 3. Turn engine control dial (1) to the slow idle position and SA-390 run the engine for 5 minutes to cool the engine.

  • Page 185: Engine Auto-Stop In Extremely Low Temperature

    OPERATING THE ENGINE Engine Auto-Stop in Extremely Low Temperature WARNING: This function automatically stops the engine. Take extra care on the work and work environment when using this function. Under -20 °C or lower environment, the engine will automatically stop 60 minutes after the pilot control shut-off lever is pulled to the LOCK position.
  • Page 186 OPERATING THE ENGINE MEMO ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

  • Page 187: Driving The Machine

    DRIVING THE MACHINE Travel Levers and Pedals Front Travel operation can be performed with either the levers or pedals. WARNING: In the standard travel position, the front idlers are positioned at the front of the machine and Front Idler the travel motors at the rear. If the travel motors are positioned at the front of the machine, the control actions of the travel pedals will be reversed.
  • Page 188 DRIVING THE MACHINE  Pivot Turn Steer the machine by driving only one side crawler. Operate either of the travel levers (or pedals). M104-04-010 Pivot Turn M104-04-005  Spin Turn Steer the machine in a position by driving both side crawlers in opposite directions each other.

  • Page 189: Travel Mode Switch

    DRIVING THE MACHINE Travel Mode Switch WARNING: Tipping-over accidents can cause serious personal injury. Do not change travel mode switch (1) while traveling; especially, changing to fast mode (2) when descending slopes will create a very dangerous situation. Always stop the machine before changing the travel speed mode.

  • Page 190: Travel Alarm (Optional)

    DRIVING THE MACHINE Travel Alarm (Optional) During travel operation, the travel alarm sounds to warn the people near the machine that the machine is traveling. Deactivating Travel Alarm More than 12 seconds after starting to travel the machine, raise the armrest and push travel alarm deactivation switch (4) to stop the travel alarm.

  • Page 191: Traveling

    DRIVING THE MACHINE Traveling CAUTION: Use a signal person when moving, swinging or operating the machine in congested areas. Coordinate hand signals before starting the machine.  Before moving machine, determine which way to move travel pedals/levers for the direction you want to go. An arrow-mark seal is stuck on the inside surface of the side frame to indicate the machine front direction.

  • Page 192: Traveling On Soft Ground

    DRIVING THE MACHINE Traveling on Soft Ground Avoid traveling on soft ground as much as possible. If traveling on a soft ground is unavoidable, carefully operate the machine while observing the following points.  Drive the machine as far as the machine can move by own propelling power.

  • Page 193: Raise One Track Using Boom And Arm

    DRIVING THE MACHINE Raise One Track Using Boom and Arm WARNING: Operate the machine carefully. The machine may slide. Keep the angle between boom and arm 90 to 110° and position the bucket’s round side on 90 to 110˚ the ground. 1.

  • Page 194: Towing Machine

    DRIVING THE MACHINE Towing Machine Soft Protector CAUTION: Cables, straps, or ropes can break causing serious injury. Do not tow machine with damaged chains, frayed cables, slings, straps, or wire ropes. Always wear gloves when handling cable, straps or wire ropes. When your machine becomes struck but the engine is still operational, attach wire ropes to the machine as illustrated Wire Rope...

  • Page 195: Operating In Water Or Mud

    DRIVING THE MACHINE Operating in Water or Mud The machine can be operated in water up to the upper edge of the upper rollers only if worksite footing has sufficient strength to prevent the machine from sinking past the upper edge of the upper roller, and only if the water is flowing slowly.

  • Page 196: Precautions For Traveling On Slopes

    DRIVING THE MACHINE Precautions for Traveling on Slopes CAUTION: Avoid possible injury from traveling on slopes. Tipping over or skidding down of the machine may result. Thoroughly read and understand precautions below and be sure to travel at slow speed on slopes.

  • Page 197: Parking The Machine On Slopes

    DRIVING THE MACHINE Parking the Machine on Slopes WARNING: Avoid parking and/or stopping machine on slopes. The machine may tip over, possibly resulting in personal injury. If parking the machine on a slope is unavoidable:  Thrust the bucket teeth into the ground. ...
  • Page 198 DRIVING THE MACHINE MEMO ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

  • Page 199: Operating The Machine

    OPERATING THE MACHINE Control Lever (ISO Pattern) WARNING:  Never place any part of body beyond window frame. It could be crushed by the boom if boom control lever is accidentally bumped or otherwise engaged. Never remove the window sash bar. ...

  • Page 200: Pilot Control Shut-Off Lever

    OPERATING THE MACHINE Pilot Control Shut-Off Lever Pilot control shut-off lever (1) functions to prevent misoperation of the machine from occurring if the control levers are accidentally moved when leaving the operator's seat or when entering the cab. WARNING:  Always pull pilot control shut-off lever (1) into the full LOCK position.

  • Page 201: Blade Lever

    OPERATING THE MACHINE Blade Lever Use blade lever (1) on the operator’s right to raise and lower the blade. When the lever is released, it automatically returns to neutral, keeping the blade in its position until the lever is operated again. 1- Blade Lever 2- Blade Raise 3- Neutral...

  • Page 202: Warming Up Operation

    OPERATING THE MACHINE Warming Up Operation In cold weather, warm up the machine until coolant and hydraulic oil temperature increases to the appropriate operating temperature. Slow Idle IMPORTANT: The appropriate hydraulic oil operating temperature on this machine is 50 to 80 °C. Hydraulic components may be seriously damaged if the machine is operated with low temperature hydraulic oil.

  • Page 203: Engine Speed Control

    OPERATING THE MACHINE Engine Speed Control Increase and decrease the engine speed using engine control dial (1) located on the switch panel, as illustrated.  Turn engine control dial (1) clockwise to increase the engine speed. Turn engine control dial (1) counterclockwise to decrease the engine speed.

  • Page 204: Auto-Idle

    OPERATING THE MACHINE Auto-Idle Auto-Idle Function With auto-idle selector (3) turned to the A/I ON position, approximately 4 seconds after all control levers are returned to neutral, the engine speed decreases to the auto-idle setting to save fuel consumption. The engine speed will immediately increase to the speed set by engine control dial (2) when any control lever is operated.
  • Page 205 OPERATING THE MACHINE Auto-Idle ON/OFF Note that auto-idle function can be turned ON or OFF by using auto-idle selector (3) only when the key switch is in ON position. Always check if the auto-idle function is turned ON or OFF with auto-idle indicator (1).

  • Page 206: Auto Shut-Down

     When the key switch is turned to OFF position while MDED-01-505 the auto shut-down function is ON, the setting will be reset. When it is required to keep the setting, consult your nearest Hitachi dealer.
  • Page 207 OPERATING THE MACHINE IMPORTANT:  When the auto shut-down activates, the air conditioner will also stop. Setting the Auto Shut-Down Function Auto Shut-Down: On/Off 1. Press selector knob (2) while displaying Basic Screen (1) to display Main Menu screen (3). 2.
  • Page 208 OPERATING THE MACHINE 5. Press selector knob (2) to display Auto Shut-Down screen (7). MDCD-01-026 6. Rotate selector knob (2) to highlight ON (8). 7. Press selector knob (2) to display Auto Shut-Down screen (7). Press selector knob (2) again to turn the auto shut- down function OFF.

  • Page 209: Power Mode

    OPERATING THE MACHINE Power Mode Two engine speed modes, ECO and PWR modes are selected by operating the mode switch (1). ECO (Economy) Mode Operate the machine in this mode when performing normal work. ECO is displayed on Power Mode Display (2). PWR (Power) Mode Use PWR (Power) mode when extra horsepower is needed.

  • Page 210: Operating Backhoe

    OPERATING THE MACHINE Operating Backhoe  Use the appropriate arm and bucket for the work. (Refer to the "Bucket Types and Applications" in the Specifications section.)  Pull the bucket toward the machine using the arm as the main digging force. ...

  • Page 211: Shovel

    OPERATING THE MACHINE Shovel Backhoe operation digs the ground using the bucket in a roll- in motion. On the other hand, face shovel operation digs the ground using the arm cylinder in a scraping motion. WARNING: Take care not to hit the cab when rolling in the arm with the reversed-installed bucket.

  • Page 212: Grading Operation

    OPERATING THE MACHINE Grading Operation Operate the boom, arm, and the bucket in such a way so that the bucket teeth move horizontally, constantly keeping them perpendicular to the ground at the grading operation. IMPORTANT: Do not pull or push dirt with the bucket when traveling.

  • Page 213: Avoid Driving Bucket Teeth Into Ground

    OPERATING THE MACHINE Avoid Driving Bucket Teeth into Ground WARNING: If the bucket teeth are forcedly driven into the ground, crushed material may spatter, possibly resulting in injury of the operator and/or co-workers around the machine. Furthermore, the service lifetimes of all front attachment parts may be shortened.

  • Page 214: Avoid Abusive Operation

    OPERATING THE MACHINE Avoid Abusive Operation Do not use travel while thrusting the bucket teeth into the ground and do not raise rear of the machine to use the machine's weight as additional digging force. Severe machine damage may result. MZX5-05-005 Avoid Side Load the Bucket Do not side load the bucket.

  • Page 215: Avoid Hitting Blade With Front-End Attachment

    OPERATING THE MACHINE Avoid Hitting Blade with Front-End Attachment When operating the machine with the blade positioned towards the front, the bucket or boom cylinder may come into contact with the blade if you are not careful. Be sure to prevent this from happening.

  • Page 216: Do Not Use Wide Track Shoes On Rough Ground

    OPERATING THE MACHINE Do Not Use Wide Track Shoes on Rough Ground. Never use wide track shoes on rough ground such as rocks, sand or gravel. Wide track shoes are designed for soft ground. Failure to do so may result in shoe bending and/or shoe bolt loosening, and may damage other undercarriage components such as track link and rollers.

  • Page 217: Shackle Hole Usage

    OPERATING THE MACHINE Shackle Hole Usage Shackle hole for towing light weight objects. A shackle hole is provided on the track frame to tow light weight objects as specified below. IMPORTANT: Be sure to conform to the restrictions and precautions stated below when towing a light weight object using the shackle hole provided on the track Wire Rope frame.

  • Page 218: Lifting

    OPERATING THE MACHINE Lifting WARNING: When you use machine for lifting, be sure to comply with all local regulations. Cables, straps, or ropes can break, causing serious injury. Do not use damaged chains, frayed cables, slings, straps, or ropes to crane. Never move the load suddenly.

  • Page 219: Pilot Accumulator Functions

    OPERATING THE MACHINE Pilot Accumulator Functions The pilot accumulator (1) is a pressure storage reservoir of the control circuit which supplies pressure and enables to operate the control circuit even after stopping the engine. Thus, the front attachment can be lowered with its own weight by using the control lever and pressure in the hydraulic circuit can be released after stopping the engine.

  • Page 220: Emergency Boom Lowering Procedure

    OPERATING THE MACHINE Emergency Boom Lowering Procedure WARNING: Prevent personal injury. Confirm that no one is under the front attachment before starting the procedure below. If the engine stalls and cannot be restarted, lower the boom to lower the bucket to the ground referring to the emergency boom lowering procedure stated below.
  • Page 221 OPERATING THE MACHINE Releasing Hose Rupture Valve (Machine Equipped with Hose Rupture Valve for Boom Hose Rupture Valve) The hose rupture valve prevents sudden falling of the front attachment in the event of hose breaks during machine operation. It is located on the rod side of the arm cylinder and bottom side of the boom cylinder.
  • Page 222 OPERATING THE MACHINE Releasing Emergency Valve IMPORTANT: Never loosen screw (2) more than 2 turns. Front Screw (2) may come off. 1. Loosen lock nut (1). Loosen screw (2) one half of a turn. The boom lowering speed can be somewhat adjusted by loosening screw (2) more.

  • Page 223: Precautions For After Operations

    OPERATING THE MACHINE Precautions for After Operations  After finishing the day's operation, drive the machine to a firm, level ground where no possibility of falling stones, ground collapse, or floods are present. (Refer to the group for "PARKING MACHINE" in the DRIVING MACHINE section.) ...
  • Page 224 OPERATING THE MACHINE MEMO ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

  • Page 225: Transporting

    TRANSPORTING Transporting by Road When transporting the machine on public roads, be sure to first understand and follow all local regulations.  When transporting the machine using a trailer, check the width, height, length and weight of the trailer with the machine loaded.

  • Page 226: Loading/Unloading On A Trailer

    TRANSPORTING Loading/Unloading on a Trailer Always load and unload the machine on a firm, level surface. WARNING: Be sure to use a loading dock or a ramp for loading/unloading. Never load or unload the machine onto or off a truck or trailer using the front attachment functions when driving up or down the ramp.
  • Page 227 TRANSPORTING Loading/Unloading WARNING:  Always turn the auto-idle switch OFF when loading or unloading the machine. In the auto-idle mode, speed may automatically increase.  Always select the slow speed mode with the travel mode switch.  Never steer while driving up or down a ramp as it is extremely dangerous and may cause the machine to turnover.
  • Page 228 TRANSPORTING 3. When the front attachment is fitted 3.1 Determine a position for the bucket in line with the trailer. Adjust the angle of the boom and the arm at 90 to 110 °. 3.2 Lower the bucket onto to the deck of the trailer before the unit passes over the end of the ramp for support.

  • Page 229: Fastening Machine For Transporting

    TRANSPORTING Fastening Machine for Transporting WARNING: Fasten the machine frame to the deck securely with chains and cables. While traveling, loads may shake around, move forward or backward or to the sides. 1. Place cog stoppers or blocks in front of and behind the tracks to help secure the unit.

  • Page 230: Unloading

    TRANSPORTING Unloading WARNING:  Always turn the auto-idle switch OFF when loading or unloading the machine. In the auto-idle mode, speed may automatically increase.  Always select the slow speed mode with the travel mode switch.  Never steer while driving up or down a ramp as it is extremely dangerous and may cause the machine to turnover.

  • Page 231: Lifting Machine

     Use lifting cables and other lifting tools being free from any damage and/or aging, and having sufficient strength.  Consult your nearest Hitachi dealer for correct lifting procedures, and the size and types of lifting cable and tools.  Pull the pilot control shut-off lever to the LOCK position so that the machine does not accidentally move while being lifted.
  • Page 232 TRANSPORTING Lifting Support Bar 1. Fully extend the arm and bucket cylinders. Lower the boom until the bucket comes in contact with the ground. 2. Pull the pilot control shut-off lever to the LOCK position. Center of Gravity 3. Stop the engine. Remove the key from the key switch. 4.

  • Page 233: Maintenance

    IMPORTANT:  Use only recommended fuel and lubricants.  Be sure to use only genuine Hitachi parts. Failure to do so may result in serious injury or death and/or machine breakdown.  Failure to use recommended fuel, lubricants, and genuine Hitachi parts will result in loss of Hitachi product warranty.
  • Page 234 It is not necessary to check or operate the communication terminal however if any abnormality is found, consult your nearest Hitachi dealer. Before installing any covering attachment such as a head guard, consult your nearest Hitachi dealer. Never spray water on the communication terminal and the wirings.

  • Page 235: Check The Hour Meter Regularly

    MAINTENANCE Check the Hour Meter Regularly Refer to the List of Check and Maintenance for information about lubricants, check and adjustment intervals. The maintenance guide table is affixed in the back of the tool box cover. Refer to 7-5 page. Check and maintenance intervals shown in this manual are those for the machines to be operated under normal conditions.

  • Page 236: Layout

    MAINTENANCE Layout ZX85USB-5A 26 18 25 MDED-07-066 Bucket Swing Drain Filter Blade Swing Bearing Link A Fuel Tank Blade Cylinder Control Lever Link B Hydraulic Oil Tank Front Idler Bucket Cylinder Engine Battery Boom Cylinder Fuel Filter Track Adjuster Work Light Arm Cylinder Pump Lower Roller...

  • Page 237: Maintenance Guide Table

    MAINTENANCE Maintenance Guide Table The maintenance guide table is affixed to the right side of the cab (outside). Lubricate and/or service the parts at the intervals as instructed in the table so that all necessary maintenance can be performed regularly. ...
  • Page 238 MAINTENANCE  Maintenance Guide Table Sample: ZX85USB-5A 13 3 Lubrication Interval (hours) MDED-07-002 Item Page Item Page 1 Engine Oil 7-24 8 Hydraulic Oil Filter (Full Flow) 7-37 2 Coolant (Long-Life Coolant) 7-58 9 Hydraulic Oil Filter (Pilot) 7-38 3 Grease 7-17 10 Hydraulic Oil Filter (Air Breather) 7-40...

  • Page 239: Preparations For Inspection And Maintenance

    MAINTENANCE Preparations for Inspection and Maintenance Except in special cases, park the machine by following the procedure before servicing the machine. 1. Park the machine on a level surface. 2. Lower the bucket to the ground. M104-07-021 3. Turn the auto-idle switch OFF. 4.

  • Page 240: Hood And Access Covers

    MAINTENANCE Hood and Access Covers WARNING:  Do not keep the hood and access covers open when the machine is parked on a slope, or while the wind is blowing hard. The hood or access covers may close accidentally, possibly resulting in personal injury. ...

  • Page 241: Maintenance Guide

     When a bucket which does not have clearance adjustment mechanism such as slope-finishing bucket or V-type bucket, or a genuine Hitachi hoe bucket before EX-5 model, or an attachment other than genuine Hitachi bucket is used, grease two pins every 250 hours.
  • Page 242 MAINTENANCE D. Hydraulic System Interval (hours) Parts Quantity Page 250 500 1000 1500 2500 4000 5000 1. Check Hydraulic Oil Level 7-32 2. Drain Hydraulic Oil Tank Sump 7-33 100 L 3. Change Hydraulic Oil 7-34    (26.4 US gal) 4.
  • Page 243 IMPORTANT:  Use soft water as a coolant. Do not use strong acid or alkaline water. Use the coolant with genuine Hitachi Long-Life Coolant (LLC) mixed by 30 to 50 %. If a coolant mixed with less than 30 % of Hitachi Long-Life Coolant is used, service life of the cooling parts may be shortened due to damage by freezing or corrosion of coolant system parts.
  • Page 244 Tightening and Retightening Torque of Nuts and − 7-84  Bolts : Maintenance required only during first time check. NOTE: * Contact your nearest Hitachi dealer for maintenance. Instruction plate for the recommended grease and lubricants is affixed inside the tool box cover. 7-12...

  • Page 245: Periodic Replacement Of Parts

    MAINTENANCE Periodic Replacement of Parts To ensure safe operation, be sure to conduct periodic inspection of the machine. In addition, the parts listed below, if defective, may pose serious safety/fire hazards. These parts may cause serious safety/fire hazards due to deterioration, wear, or fatigue being attributed to material aging or repeated operation.

  • Page 246: Kind Of Oils

    Hitachi Genuine Engine Oils.  If you do not use Hitachi Genuine Engine Oil, use engine oil conforming to JASO DH-1. Otherwise, engine and muffler filter may suffer damage, or performance of engine may deteriorate.
  • Page 247  Hitachi Genuine Gear Oil are specially designed and tested to provide optimum performance for the machine, hence we recommend to use Hitachi Genuine Gear Oil.  If you do not use Hitachi Genuine Gear Oil , use gear oil or engine oil conforming to specifications described above. Otherwise, the machine may suffer damage.
  • Page 248 API GL 4 Device Hydraulic System Hydraulic Oil Super EX 46HN ASTM Grade No.2-DS15 ASTM Grade No.2-DS500 Fuel Tank Diesel Fuel ASTM Grade No.1-DS15 ASTM Grade No.1-DS500 Grease Nipple Lithium Grease SEP Grease Radiator Coolant Hitachi Long Life Coolant 7-16...

  • Page 249: Greasing

    MAINTENANCE A. Greasing Front Joint Pins --- every 500 hours Lubricate all fittings shown in the figure. MDED-07-032 MDED-07-032  Boom Foot MDED-07-033  Boom Cylinder Bottom Side ZX75US-5A MDED-07-034 MDED-07-060 ZX85USB-5A 7-17...
  • Page 250 MAINTENANCE  Boom and Arm Joint Pin, Arm Cylinder Rod Pin and Bucket Cylinder Bottom Pin.  Boom Cylinder Rod Pins and Arm Cylinder Bottom Pin. M1CG-07-007  Swing Post (ZX85USB-5A) M195-07-012 MDED-07-061  Swing Cylinder (ZX85USB-5A) MDED-07-062 7-18...

  • Page 251: Swing Bearing

    MAINTENANCE Swing Bearing --- every 500 hours CAUTION: Lubricating both the swing bearing and gear and rotating the upperstructure must be done by one person. Before you lubricate the swing bearing, clear the area of all persons. Lower the bucket to the ground. Stop the engine. Pull the pilot control shut-off lever to the LOCK position.

  • Page 252: Swing Internal Gear

    MAINTENANCE Swing Internal Gear --- every 500 hours CAUTION: Lubricating both the swing bearing and gear and rotating the upperstructure must be done by one person. Before you lubricate the swing bearing, clear the area of all persons. Lower the bucket to the ground. Stop the engine. Pull the pilot control shut-off lever to the LOCK position.

  • Page 253: Blade Joint Pins

    MAINTENANCE Blade Joint Pins --- every 500 hours  Blade joint pins  Blade cylinder rod/bottom pins M1CC-00-001 M1CC-07-021 7-21...

  • Page 254: Engine

    MAINTENANCE B. Engine Engine Oil Level --- check daily IMPORTANT: For most accurate readings, check the oil level every day before starting the machine. Be sure the machine is on a level surface. 1. Confirm that pilot control shut-off lever (1) is in the LOCK position.
  • Page 255 MAINTENANCE --- Visual Inspection IMPORTANT: An incorrect engine oil level may cause trouble on the engine (The oil level should be between the upper and lower marks on oil level gauge (1)). Even if the engine oil level exceeds the upper limit, control the oil level to the proper quantity before starting the engine.

  • Page 256: Change Engine Oil

    MAINTENANCE Change Engine Oil --- every 500 hours Replace Engine Oil Filter --- every 500 hours 1. Run the engine to warm oil. DO NOT run the engine until oil is hot. 2. Park the machine on a level surface. 3.
  • Page 257 MAINTENANCE 14. Remove the filter cartridges of engine oil filter (5) by turning it counterclockwise with the filter wrench. 15. Clean the filter gasket contact area on the engine. 16. Apply a thin film of clean oil to the gasket of the new filter.

  • Page 258: Transmission

    MAINTENANCE C. Transmission Travel Reduction Gear Air Release Plug 1 (Oil Supply Plug) Check Oil Level --- every 250 hours Oil Level Check Plug 2 1. Park the machine on a level surface. Horizontal Oil Level 2. Rotate the travel motor until the imaginary line through plug (1) and plug (3) is vertical.
  • Page 259 MAINTENANCE Change Gear Oil --- every 2000 hours IMPORTANT: Do not use gear oils other than those listed in the "Brand Names of Recommended Transmission Oil". 1. Park the machine on a level surface. 2. Rotate the travel motor until the imaginary line through plug (1) and plug (3) is vertical.

  • Page 260: Hydraulic System

    MAINTENANCE D. Hydraulic System Inspection and Maintenance of Hydraulic Equipment IMPORTANT: Never adjust parts of hydraulic equipment. CAUTION: When checking and/or servicing the hydraulic components, pay special attention to the following points. 1. Park the machine following the same procedures as described on page 7-7 for preparation for inspection and maintenance.
  • Page 261 MAINTENANCE IMPORTANT:  When connecting hydraulic hoses and pipes, take special care to keep seal surfaces free from dirt and to avoid damaging them.  Wash hoses, pipes, and the tank interior with a washing liquid and thoroughly wipe it out before reconnecting them.

  • Page 262: Change Hydraulic Oil And Replace Full-Flow Filter Element

    MAINTENANCE Change Hydraulic Oil and Replace Full-Flow Filter Element Hydraulic breaker operation subjects the hydraulic system to become contaminated faster and to quickly deteriorate the hydraulic oil. Failure to adhere to proper maintenance intervals may result in damage to the base machine and the breaker. In order to extend the service life particularly of the hydraulic pump, change the hydraulic oil and the full-flow filter element at the specified frequency given below.
  • Page 263 MAINTENANCE Replacement Intervals (Hours) of Hydraulic Oil and Full Flow Filter Element Hours to Replace Hours to Replace Element Hydraulic Oil : When using high performance element (micro-glass) : When using filter-paper element Changing Interval when using 1500-hour life time hydraulic oil Changing Interval when using Average 2500-hour life time hydraulic oil...

  • Page 264: Check Hydraulic Oil Level

    MAINTENANCE Check Hydraulic Oil Level --- daily IMPORTANT: If the oil level is not viewed in the level gauge, immediately refill hydraulic oil up to the appropriate level. Failure to do so may result in a serious failure in the hydraulic system. If the oil level M104-07-021 is higher than the level gauge, remove oil down to the appropriate level using a pump.

  • Page 265: Drain Hydraulic Tank Sump

    MAINTENANCE Drain Hydraulic Tank Sump --- every 250 hours CAUTION: Hydraulic oil may be hot just after operation. Wait for oil to cool before starting work. 1. Park the machine on a level surface with the upperstructure rotated 90° for easier access. M1CC-07-002 2.

  • Page 266: Change Hydraulic Oil

    MAINTENANCE Change Hydraulic Oil --- every 5000 hours, 2500 hours or 1500 hours Suction Filter Cleaning when hydraulic oil is changed CAUTION: Hydraulic oil may be hot just after M1CC-07-006 operation. Wait for oil to cool before starting work. IMPORTANT:  Hydraulic oil changing intervals differ according to kind of hydraulic oils used.
  • Page 267 MAINTENANCE 7. Remove drain plug (3). Allow oil to drain. 8. Remove rod assembly (4). IMPORTANT: When changing hydraulic oil, take care not to enter foreign matters such as dirt, water, and/or sand into the hydraulic oil tank. 9. Clean the filter and tank interior. If the filter is to be replaced, install new filter on the rod as shown.

  • Page 268: Air Bleeding Procedures

    MAINTENANCE Air Bleeding Procedures Bleed air from these pumps after changing hydraulic oil. IMPORTANT: If the hydraulic pump is not filled with oil, it will be damaged when the engine is started.  Pump Air Bleeding 1. Remove air bleed plug (1) on each pump. 2.

  • Page 269: Replacement Of Full-Flow Filter

    MAINTENANCE Replacement of Full-Flow Filter --- every 1000 hours IMPORTANT: Changing interval differs according to the brand of hydraulic oil used, kind of filter element or average attachment operating availability. Refer to "Change Hydraulic Oil and Replace Full-Flow Filter Element". (Refer to pages 7-30, 7-31) M1CC-07-002 CAUTION: Hydraulic oil becomes hot and pressurized during operation.

  • Page 270: Replace Pilot Oil Filter

    MAINTENANCE Replace Pilot Oil Filter --- every 1000 hours CAUTION: Hydraulic oil becomes hot and pressurized during operation. Severe burns may result if skin comes in contact with escaping hydraulic oil immediately after operation. Wait for the oil to cool M1CC-07-002 before starting any maintenance work.

  • Page 271: Replace Swing Drain Filter

    MAINTENANCE Replace Swing Drain Filter --- every 4000 hours CAUTION: Hydraulic oil becomes hot and pressurized during operation. Severe burns may result if skin comes in contact with escaping hydraulic oil immediately after operation. Wait for the oil to cool M1CC-07-002 before starting any maintenance work.

  • Page 272: Replace Air Breather Element

    MAINTENANCE Replace Air Breather Element --- every 4000 hours CAUTION: Hydraulic oil becomes hot and pressurized during operation. Severe burns may result if skin comes in contact with escaping hydraulic oil immediately after operation. Wait for the oil to cool M1CC-07-002 before starting any maintenance work.

  • Page 273: Maintenance

    MAINTENANCE Check Hoses and Lines ---daily --- every 250 hours WARNING:  Hydraulic oil and lubricant leaks can lead to fire that may result in serious injury. Check for missing or loose clamps, kinked hoses, lines or hoses that rub against each other, damaged oil cooler, and loose oil cooler flange bolts, for leaks.
  • Page 274 MAINTENANCE Interval (hours) Check Points Abnormalities Remedies Every 250 Hose covers Damage or leak (4) Replace hours Hose ends Damage or leak (5) Replace Hose covers Exposed reinforcement Replace M115-07-146 M115-07-147 Hose covers Crack or blister (7) Replace Hose Bend (8), Collapse (9) Replace Hose ends and Deformation or...
  • Page 275 MAINTENANCE Service Recommendations for Hydraulic Fittings Two hydraulic fitting designs are used on this machine.  Flat Face O-ring Seal Fitting (ORS Fitting) O-ring (1) is used on the sealing surfaces of adapter (2) to prevent oil leakage. Precautions for Use 1.
  • Page 276 MAINTENANCE  Metal Face Seal Fittings Fittings are used on smaller diameter joint and consist of a metal flare (10) and a metal flare seat (9). 1. Inspect flare (10) and flare seat (9). They must be free of dirt or obvious defects. 2.

  • Page 277: Fuel System

    MAINTENANCE E. Fuel System WARNING: Beware of fire. Fuel is flammable. Keep fuel away form fire hazards. IMPORTANT: Always fill the fuel tank with the specified diesel fuel. Failure to do so may cause engine trouble and also making it difficult for the engine to start. Recommended Fuel Use only super high quality or high quality DIESEL FUEL (JIS K-2204) (ASTM 2-D).

  • Page 278: Refueling

    MAINTENANCE Refueling 1. Park the machine following the same procedures as described on page 7-7 for preparation for inspection and maintenance. CAUTION: Handle fuel carefully. Shut the engine off before fueling. Do not smoke while you fill the fuel tank or work on fuel system. 2.

  • Page 279: Drain Fuel Tank Sump

    MAINTENANCE Drain Fuel Tank Sump --- daily 1. Park the machine following the same procedures as described on page 7-7 for preparation for inspection and maintenance. 2. Place 0.5 liters or larger capacity container under drain valve (1) to collect the drained water. 3.

  • Page 280: Check Water Separator

    MAINTENANCE Check Water Separator Drain water --- every 8 hours (daily) Water separator (3) is a device designed to separate water from the fuel. There is a float inside the case which buoys when water accumulates. When the float rises to the water draining level, drain water. Drain Procedures 1.
  • Page 281 MAINTENANCE Bleed Air from Fuel System Air in the fuel system will cause the engine to start hard and/or run roughly. Be sure to bleed air from the system after replacing the fuel filter (6) or draining the tank. Automatic bleeding device is provided on this machine. 1.

  • Page 282: Replace Fuel Main Filter Element

    Replace Fuel Main Filter Element --- every 500 hours IMPORTANT:  Be sure to use only genuine Hitachi elements for the fuel main filter element. Failure to do so may deteriorate the engine performance and/or shorten the engine service life. Please be noted that all engine failures caused by using other manufacturers’...

  • Page 283: Replace Fuel Pre-Filter Element

    MAINTENANCE Replace Fuel Pre-Filter Element --- every 500 hours IMPORTANT:  Be sure to use only genuine Hitachi elements for the fuel pre-filter element. Failure to do so may Fuel Pre-Filter deteriorate the engine performance and/or shorten the engine service life. Please be noted that all engine failures caused by using other manufacturers' elements are excluded from Hitachi Warranty Policy.

  • Page 284: Check Fuel Hoses

    MAINTENANCE Check Fuel Hoses --- every 8 hours (daily) --- every 250 hours CAUTION: Fuel leaks can lead to fires that may result in serious injury.  Escaping combustible fluid can cause fires. Check for kinked hoses, hoses that rub against each other, and any fuel leaks.

  • Page 285: Air Cleaner

    MAINTENANCE F. Air Cleaner Clean Air Cleaner Outer Element --- every 250 hours or when the restriction indicator comes ON Replace Air Cleaner Outer and Inner Elements --- after cleaning six times or after one year 1. Park the machine following the same procedures as described on page 7-7 for preparation for inspection and maintenance.
  • Page 286 MAINTENANCE Replace Inner Element (optional) Cover IMPORTANT: Do not reuse the inner element (4). 1. After removing outer element (1), clean inside of air cleaner body by blowing compressed air pressure [less than 0.2 MPa (2 kgf/cm )] before removing inner element (4).

  • Page 287: Cooling System

    Hitachi Long-Life Coolant (LLC) mixed by 30 to 50 %. If a coolant mixed with less than 30 % of Hitachi Long-Life Coolant is used, service life of the cooling parts may be shortened due to damage by freezing or corrosion of coolant system parts.

  • Page 288: Check Coolant Level

    MAINTENANCE Check Coolant Level --- daily With the engine cold, the coolant level must be between the FULL and LOW marks on coolant reservoir (2). If the coolant level is below the low mark, add coolant to coolant reservoir (2). CAUTION: Do not loosen cap (1) until the coolant temperature in the radiator becomes cool.
  • Page 289 MAINTENANCE Check and Adjust Fan Belt Tension 7 to 10 mm 98 N (10 kgf) --- every 100 hours (first time after 50 hours) Fan Pulley IMPORTANT: Loose fan belt may result in insufficient Alternator battery charging, engine overheating, as well as Pulley premature belt wear.

  • Page 290: Change Coolant

    MAINTENANCE Change Coolant --- twice a year (in spring and autumn) NOTE: When genuine Hitachi Long-Life Coolant is used, change interval is once every two years (in autumn every other year) or every 4000 hours whichever comes first. CAUTION: Do not loosen the radiator cap until the system has cooled.

  • Page 291: Clean Radiator/Oil Cooler/Core

    MAINTENANCE Clean Radiator/Oil Cooler/Core Outside --- every 500 hours Inside --- once a year CAUTION: Use reduced compressed air pressure (Less than 0.2 MPa, 2 kgf/cm ) for cleaning purposes. Wear personal protection equipment including eye protection. IMPORTANT: If air with pressure of higher than 0.2 MPa (2 kgf/cm ) or tap water with high delivery pressure is Screen...

  • Page 292: Electrical System

    MAINTENANCE H. Electrical System IMPORTANT:  Improper radio communication equipment and associated parts, and/or improper installation of radio communication equipment effects the machine's electronic parts, causing involuntary movement of the machine. Also, improper installation of electrical equipment may cause machine failure and/or a fire on the machine.
  • Page 293 MAINTENANCE If you spill acid on yourself: 1. Flush your skin with water. 2. Apply baking soda or lime to help neutralize the acid. 3. If splashed in eyes, flush with water for 10 to 15 minutes. Get medical attention immediately. If acid is swallowed: 1.

  • Page 294: Electrolyte Level Check

    MAINTENANCE Electrolyte Level Check --- every month 1. Check the electrolyte level at least once a month. 2. Park the machine on level ground and stop the engine. 3. Check the electrolyte level. 3.1 When checking the level from the battery side: Clean around the level check lines with a wet towel.

  • Page 295: Check Electrolyte Specific Gravity

    MAINTENANCE Check Electrolyte Specific Gravity --- every month If you spill acid on yourself: 1. Flush your skin with water. WARNING: Battery gas can explode. Keep sparks and flames away from batteries. Use a flashlight to check 2. Apply baking soda or lime to help neutralize the battery electrolyte level.

  • Page 296: Replace Batteries

    MAINTENANCE Replace Batteries Your machine has two 12-volt batteries with negative (-) ground. If one battery in a 24-volt system has failed but the other is still good, replace the failed battery with one of the same type. For example, replace a failed maintenance-free battery with a new maintenance-free battery.

  • Page 297: Replacing Fuses

    MAINTENANCE Replacing Fuses Fuse Box B Fuse Box A --- as necessary Fuse Box C If any electrical equipment fails to operate, first check the fuses. Fuse box is located behind the operator's seat. NOTE:  One each spare fuse for respective fuse capacities is provided in the fuse box.
  • Page 298 MAINTENANCE  Slow Blow Fuse (Main Fuse) In case the starter won't rotate even if the key switch is turned to the START position, slow blow fuse may be the cause of the trouble. Remove the cover next to the engine coolant reservoir to check the fuse.

  • Page 299: Miscellaneous

    MAINTENANCE I. Miscellaneous Check and Replace Bucket Teeth --- daily Check bucket teeth (1) for wear and looseness. Replace teeth (1) if tooth wear exceeds the designated service limit shown below. Limit of Use A mm (in) 156 (6.1) 80 (3.1) M104-07-056 Replace CAUTION:...
  • Page 300 MAINTENANCE 3. Clean shank (6) surface. 4. Install rubber pin lock (4) into shank (6) hole as shown. RIGHT WRONG M104-07-060 5. Position new tooth (1) over shank (6). RIGHT WRONG M104-07-061 6. Drive locking pin (5) fully into the hole as shown. RIGHT WRONG M104-07-062...

  • Page 301: Change Bucket

    MAINTENANCE Change Bucket CAUTION: When driving the connecting pins in or out, guard against injury from flying pieces of metal or debris. Wear hard hat or safety glasses, and safety equipment appropriate to the job. Before starting converting work, keep bystanders clear of the machine.

  • Page 302: Convert Bucket Connection Into Face Shovel

    MAINTENANCE Convert Bucket Connection Into Face Shovel O-Ring Shift CAUTION: When driving the connecting pins in or out, guard against injury from flying pieces of metal or debris. Wear hard hat or safety glasses, and safety equipment appropriate to the job. Converting the bucket connection allows you to use the Bucket Boss machine as a face shovel.

  • Page 303: Maintenance

    MAINTENANCE Adjust Bucket Linkage The machine is provided with a bucket adjustment system to take up play in the linkage. When play in the linkage increases, remove and install shims as follows: 1. Place the bucket in a stable position. Clearance Adjust Part 2.

  • Page 304: Remove Travel Levers

    MAINTENANCE Remove Travel Levers The travel levers may be removed if desired. Procedure: Remove bolts (1) and (2) to remove travel levers (3) and (4) from brackets. NOTE: Wrench size: 17 mm Tightening Torque: 50 N·m (5 kgf·m) M178-07-077 Check and Replace Seat Belt Check --- daily Replace --- every 3 years Prior to operating the machine, thoroughly examine belt (5),...

  • Page 305: Check Windshield Fluid Level

    MAINTENANCE Check Windshield Fluid Level Check fluid in windshield washer tank (1). If the fluid level is low, remove cap (2) and add fluid via the opening. During winter season, use all season windshield washer which will not freeze. MDED-07-003 7-73...

  • Page 306: Check Track Sag

    MAINTENANCE Check Track Sag --- every 50 hours Swing the upperstructure 90° and lower the bucket to raise the track off the ground as shown. Measure distance (A) at the middle of the track frame from the bottom of the track frame to the back face of the track shoe.
  • Page 307 MAINTENANCE Loosen the Track CAUTION: The pressure inside the cylinder of the track adjuster is high. Do not loosen valve (1) quickly or loosen it too much as valve (1) may fly out or high- pressure grease in the adjusting cylinder may spout out.
  • Page 308 MAINTENANCE Tighten the Track CAUTION: It is abnormal if the track can not be adjusted. The strong force acts on the spring in track adjuster. Therefore, the grease in cylinder is highly pressurized. In such cases, NEVER ATTEMPT TO DISASSEMBLE the track or track adjuster, because of dangerous high-pressure grease inside the track adjuster.

  • Page 309: Clean And Replace Air Conditioner Filter

    MAINTENANCE Clean and Replace Air Conditioner Filter Clean Circulating/Fresh Air Filters Circulating Air Filter --- every 500 hours Fresh Air Filter --- every 500 hours Replace Circulating/Fresh Air Filters Circulating Air Filter --- After cleaning 6 times or so Fresh Air Filter --- After cleaning 6 times or so Fresh Air Filter Removal 1.
  • Page 310 MAINTENANCE Circulating Air Filter ZX75US-5A Removal Circulating Air Filter (Outside) 1. Circulating air filter is located beside the seat stand. 2. Remove screws (1). Remove cover (2) by pulling it to the cab front. 3. Remove screw (3). 4. Remove circulating air filter (outside) (4). MDED-07-049 Circulating Air Filter (Inside) 1.
  • Page 311 MAINTENANCE ZX85USB-5A Removal Circulating Air Filter 1. Circulating air filter is located beside the seat stand. 2. Remove screws (1) (3 used). Remove, cover (2) by pulling it toward the cab front. 3. Remove circulating air filter (3) by holding grip (4) and pulling it toward you through the opening for cover.

  • Page 312: Check Air Conditioner

    MAINTENANCE Check Air Conditioner --- every 250 hours Oil Seepage Check pipe connections for refrigerant gas leakage If oil seepage is found around pipe connections, it indicates possible gas leakage. Detail Check Refrigerant M1CD-07-038 Start the engine and run at approximately 1500 min (rpm).
  • Page 313 MAINTENANCE Inspect belt, check and adjust tension --- every 250 hours Visually check the compressor and fan belts for wear. Check fan belt tension by depressing the midpoint between compressor pulley (2) and tension pulley (1) with the thumb. Deflection must be shown in the right figure with a depressing force of approximately 98 N (10 kgf ).

  • Page 314: Clean Cab Floor

    MAINTENANCE Clean Cab Floor --- as required IMPORTANT: When cleaning the cab floor with tap water, spray the floor only. Take care not to splash the surrounding area. Do not increase water spray speed by restricting the hose end, and do not use high pressure steam for cleaning.

  • Page 315: Check/Clean/Function Check Injection Nozzle

    MAINTENANCE Check/Clean/Function Check Injection Nozzle --- every 1500 hours Retighten Cylinder Head Bolt --- as required See your authorized dealer. Inspect and Adjust Valve Clearance --- every 1000 hours See your authorized dealer. Check Fuel Injection Timing --- every 1500 hours See your authorized dealer.

  • Page 316: Check Gas Damper

    The gas dampers are used in the engine cover and the cab overhead window. Contact your nearest HITACHI dealer immediately at any of the following situations.  The cover or window can not be opened with normal operating force.
  • Page 317 MAINTENANCE Torque Wrench Descriptions Bolt Dia Quantity size N·m (kgf·m) (lbf·ft) (18) (133) Engine cushion rubber mounting bolt (27) (200) (37) Engine bracket mounting bolt (66) Hydraulic oil tank mounting bolt (27) (200) Fuel tank mounting bolt (21) (155) − −...
  • Page 318 MAINTENANCE Tightening Torque Chart Hexagon Wrench Socket Bolt Bolt Dia. Socket Bolt Wrench size Wrench size N·m(kgf·m) N·m(kgf·m) N·m(kgf·m) N·m (kgf·m) 3.3 to 4.2 (0.3 to 0.4) (3.0) (2.0) (1.0) (2.0) (6.5) (5.0) (2.0) (5.0) (11) (3.5) (18) (14) (5.5) (14) (27) (21)
  • Page 319 MAINTENANCE 1. Retighten the engine insulation rubber mounting bolts. MDED-07-042 2. Retighten the engine bracket mounting bolts. MDED-07-044 MDED-07-043 3. Retighten the hydraulic oil tank mounting bolts. MDED-07-045 4. Retighten the fuel tank mounting bolts. MDED-07-030 7-87...
  • Page 320 MAINTENANCE 5. Retighten the ORS fittings for hydraulic hoses and piping. M1CD-07-004 6. Retighten the pump mounting bolts. MDED-07-031 7. Retighten the control valve mounting bolts. M1CG-07-026 8. Retighten the control valve bracket mounting bolts. M1P1-07-056 7-88...
  • Page 321 MAINTENANCE 9. Retighten the swing device mounting bolts. M1CG-07-029 10. Retighten the swing motor mounting bolts. M1CG-07-029 11. Retighten the battery mounting nuts. MDED-07-011 12. Retighten the cab mounting nuts. M1P1-07-022 M1U1-07-026 ZX75US-5A ZX85USB-5A 7-89...
  • Page 322 MAINTENANCE 13. Retighten the swing bearing mounting bolts to the upperstructure. M1CD-07-007 Retighten the swing bearing mounting bolts to the undercarriage. ZX85USB-5A ZX75US-5A MDEC-07-014 MDEC-07-013 14. Retighten the travel device mounting bolts. M1CD-01-005 15. Retighten the sprocket mounting bolts. M1CC-07-019 7-90...
  • Page 323 MAINTENANCE 16. Retighten the upper roller mounting bolts. M152-07-046 17. Retighten the lower roller mounting bolts. M104-07-090 18. Retighten the shoe mounting bolts. M104-07-091 19. Retighten the cover mounting bolts. M1P1-07-010 7-91...
  • Page 324 MAINTENANCE 20. Retighten flexible master coupling M1G6-07-008 Flexible Master Coupling M1P1-07-051 M1P1-07-052 7-92...
  • Page 325 MAINTENANCE 21. Retighten coupling and T-bolt clamp MDED-07-046 MDED-07-065 MDED-07-008 22. Retighten side-cutter mounting bolt M196-09-024 7-93...
  • Page 326 MAINTENANCE MEMO ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................7-94...

  • Page 327: Maintenance Under Special Environmental Conditions

    Reinforce the bucket before using it, or use a heavy duty bucket. Falling Stones Cab Head Guard : Provide a cab guard to protect the machine from falling stones. Consult your nearest Hitachi dealer. Freezing Weather Fuel/Lubricant : Use high quality and low viscosity fuel and oil.

  • Page 328: Maintenance Under Special Environmental Conditions

    MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS MEMO ..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

  • Page 329: Storage

    Precautions for Disconnecting or Connecting Batteries In case the batteries are kept disconnected for more than one month or when the batteries are reconnected, contact your nearest Hitachi dealer. Resetting of the Information Controller may be required. 10-1...
  • Page 330 STORAGE MEMO ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................10-2...

  • Page 331: Troubleshooting

    If any machine trouble has occurred, immediately repair it. Make certain the cause of the trouble and take necessary measures to prevent the reoccurrence of the same trouble. In case troubleshooting is difficult, or measures marked with * must be taken, consult the nearest Hitachi dealer. Never attempt to adjust, disassemble, or repair the hydraulic and/or electrical/electronic parts/components.
  • Page 332 Engine runs irregularly Faulty fuel system * Repair and replace Water or air in the fuel system Drain water or bleed air. Faulty engine control system * Repair and replace Items with * mark: Consult your nearest Hitachi dealer. 11-2...
  • Page 333 Does Not Return to Neutral Faulty pilot valve * Replace The lever is tilted in the neutral position Worn joint * Repair or replace due to increase in play Faulty pilot valve * Replace Items with * mark: Consult your nearest Hitachi dealer. 11-3...
  • Page 334 * Replace Faulty hydraulic pump * Repair or replace Faulty pilot valve * Replace Faulty pilot circuit line * Repair or replace Faulty pilot solenoid valve * Repair or replace Items with * mark: Consult your nearest Hitachi dealer. 11-4...
  • Page 335 Hydraulic oil temperature increases. Stained oil cooler Clean Insufficient engine fan belt tension Adjust Oil leak from low pressure hose Loose clamps Retighten Faulty suction manifold * Repair or replace Items with * mark: Consult your nearest Hitachi dealer. 11-5...
  • Page 336 Poor contact in connector * Repair or replace Damaged wire harness * Repair Faulty controller (MC) * Replace Faulty solenoid valve * Repair or replace Faulty motor * Repair or replace Items with * mark: Consult your nearest Hitachi dealer. 11-6...
  • Page 337 Lack of grease Refill Items with * mark: Consult your nearest Hitachi dealer. Immediately after the control valve, swing motor relief valve and/or the swing motor is replaced, a noise may be emitted and/or operation may not be performed smoothly due to air trapped in the hydraulic line.
  • Page 338 * Replace Poor contact in connector * Repair or replace Damaged wire harness * Repair Faulty controller. * Replace Items with * mark: Consult your nearest Hitachi dealer. Pump Control Problem Cause Solution Front attachment and/or travel speed Blown control fuse Replace is slow.

  • Page 339: Specifications

    SPECIFICATIONS Specifications ZX75US-5A M1P1-12-011 Model ZX75US-5A Front-End Attachment 1.62 m (5 ft 4 in) Arm Standard Bucket Capacity (Heaped) PCSA 0.28 m (0.37 yd ), CECE 0.24 m Operating Weight 7200 kg (15900 lb) Base Machine Weight 6070 kg (13400 lb) Engine 4TNV94L 34.1 kW/2000 min (45.7 HP/2000 rpm)

  • Page 340: Working Ranges Zx75Us-5A

    SPECIFICATIONS Working Ranges ZX75US-5A Backhoe Face shovel (Reversed hoe bucket) M1P1-12-007 M1P1-12-008 1.62 m (5 ft 4 in) Arm 2.12 m (7 ft 0 in) Arm Category Backhoe Shovel Backhoe Shovel Item ft·in ft·in ft·in ft·in A: Maximum Digging Reach 6430 21’1”...

  • Page 341: Shoe Types And Applications Zx75Us-5A

    SPECIFICATIONS Shoe Types and Applications ZX75US-5A 450 mm (18”) 450 mm (18”) 450 mm (18”) 600 mm (24”) 450 mm (18”) Shoe Width Pad Crawler Rubber Crawler Grouser shoe Grouser shoe Flat shoe Shoe Shoe For Ordinary For Weak For Paved Road For Paved Road For Paved Road Application...

  • Page 342: Specifications Zx85Usb-5A

    SPECIFICATIONS Specifications ZX85USB-5A M1P1-12-004 Model ZX85USB-5A Type of Front-End Attachment Boom-Swing Type 1.62 m (5 ft 4 in) Arm Bucket Capacity (Heaped) PCSA 0.28 m (0.37 yd ), CECE 0.24 m Operating Weight 8550 kg (18900 lb) Base Machine Weight 7130 kg (15800 lb) Engine 4TNV94L 34.1 kW/2000 min...

  • Page 343: Working Ranges Zx85Usb-5A

    SPECIFICATIONS Working Ranges ZX85USB-5A Right H Left H Backhoe Face shovel (Reversed hoe bucket) M1P1-12-012 1.62 m (5 ft 4 in) Arm 2.12 m (7 ft 0 in) Arm Category Backhoe Shovel Backhoe Shovel Item ft·in ft·in ft·in ft·in A: Maximum Digging Reach 7210 23’8”...

  • Page 344: Shoe Types And Applications Zx85Usb-5A

    SPECIFICATIONS Shoe Types and Applications ZX85USB-5A 450 mm (18”) 450 mm (18”) 600 mm (24”) 450 mm (18”) Pad Shoe Width Rubber Crawler Grouser shoe Grouser shoe Crawler Shoe Shoe For Ordinary For Weak Footing For Paved Road For Paved Road Application Ground (Standard) (Option)

  • Page 345: Other Attachments And Devices

    OTHER ATTACHMENTS AND DEVICES Hydraulic Breaker, Hydraulic Crusher and Quick Coupler Hydraulic Breaker, Hydraulic Crusher and Quick Coupler Selecting a Breaker or Crusher Select a breaker, crusher or quick coupler with the correct size and weight for your machine, considering the stability of the machine, hydraulic oil pressure and flow rate of the breaker, crusher or quick coupler.

  • Page 346: Pipings For Breaker And Crusher

    OTHER ATTACHMENTS AND DEVICES Hydraulic Breaker, Hydraulic Crusher and Quick Coupler Pipings for Breaker and Crusher Operational procedures for stop valves and selection valve. Close A, B Stop Open Valves when using breaker To TANK Front Rear Selection when using crusher Valves To VALVE M105-05-006...

  • Page 347: Secondary Relief Pressure Adjustment

    OTHER ATTACHMENTS AND DEVICES Hydraulic Breaker, Hydraulic Crusher and Quick Coupler Secondary Relief Pressure Adjustment Depending on the breaker model, the secondary relief valve relief set pressure differs. Consult your nearest Hitachi dealer for installing a breaker. 13-3...

  • Page 348: Attachment Pedal (Hydraulic Breaker) (Optional)

    OTHER ATTACHMENTS AND DEVICES Hydraulic Breaker, Hydraulic Crusher and Quick Coupler Attachment Pedal (Hydraulic Breaker) (Optional) The Breaker can be operated using attachment pedal (1) located on the right front of the seat, as illustrated. CAUTION: Be sure to lock attachment pedal (1) with pedal lock (2) when the attachment pedal is not in use.

  • Page 349: Precautions For Breaker Operation

    OTHER ATTACHMENTS AND DEVICES Hydraulic Breaker, Hydraulic Crusher and Quick Coupler Precautions for Breaker Operation WARNING: Machine stability is reduced as the breaker is much heavier than the bucket. When using a breaker, the machine is more apt to tip over. Also, flying objects may hit the cab or other part of the machine.
  • Page 350 Immediately stop the machine operation. Failure to do so may result in serious failure in the hydraulic system Hose jumping including pumps. abnormally Contact your nearest HITACHI dealer. M104-05-058 Do Not Operate the Breaker in Water. Do not operate the breaker in water.
  • Page 351 OTHER ATTACHMENTS AND DEVICES Hydraulic Breaker, Hydraulic Crusher and Quick Coupler Do Not Operate the Breaker to the Side of the Machine. The machine may become unstable and undercarriage component life may shorten as a result from operating the breaker to the side of the machine. ZX75US-5A MZX5-13-023 ZX85USB-5A...
  • Page 352 OTHER ATTACHMENTS AND DEVICES Hydraulic Breaker, Hydraulic Crusher and Quick Coupler Press the Breaker So That the Chisel (The Axis) Is Positioned and Thrusted Perpendicular to the Object. Failure to do so may damage the chisel or may cause seized piston.

  • Page 353: Change Hydraulic Oil And Replace Full-Flow Filter Element

    OTHER ATTACHMENTS AND DEVICES Hydraulic Breaker, Hydraulic Crusher and Quick Coupler Change Hydraulic Oil and Replace Full-Flow Filter Element Hydraulic breaker operation subjects the hydraulic system to become contaminated faster and to quickly deteriorate the hydraulic oil. Failure to adhere to proper maintenance intervals may result in damage to the base machine and the breaker.

  • Page 354: Attachment Pedal (Hydraulic Crusher) Std

    OTHER ATTACHMENTS AND DEVICES Hydraulic Breaker, Hydraulic Crusher and Quick Coupler Attachment Pedal (Hydraulic Crusher) Std. Model (Optional) The crusher can be operated using attachment pedal (1) located on the right front of the seat, as illustrated. CAUTION: Be sure to lock attachment pedal (1) with pedal lock (2) when the attachment pedal is not in use.

  • Page 355: Precautions For Crusher Operation

    OTHER ATTACHMENTS AND DEVICES Hydraulic Breaker, Hydraulic Crusher and Quick Coupler Precautions for Crusher Operation Prevent machine tipping over and damage to the front attachment. Observe the following precautions for crusher operation. WARNING: Machine stability is reduced as crusher is much heavier than bucket. When operating with a crusher, the machine is more apt to tip over.
  • Page 356 OTHER ATTACHMENTS AND DEVICES Hydraulic Breaker, Hydraulic Crusher and Quick Coupler  When the arm rolled in with the crusher equipped, the crusher may come in contact with the boom. Watch Out! Take care not to hit the boom with the crusher MZX5-13-010 ...
  • Page 357 OTHER ATTACHMENTS AND DEVICES Hydraulic Breaker, Hydraulic Crusher and Quick Coupler  Always operate the crusher on a stable, level surface, not on a slope or on crushed scraps.  Do not use the crusher to haul or load crushed scraps. ...

  • Page 358: Attachment

    OTHER ATTACHMENTS AND DEVICES Hydraulic Breaker, Hydraulic Crusher and Quick Coupler Attachment Allowable Weight Limits of Installed Attachment  When an attachment other than the standard bucket is installed on the machine, the machine stability will be different. If a heavy attachment is used, not only will controllability be affected but also machine stability will be reduced, possibly causing safety hazard.
  • Page 359 OTHER ATTACHMENTS AND DEVICES Hydraulic Breaker, Hydraulic Crusher and Quick Coupler  Breaker operation speed is faster than crusher operation so that the recommended breaker max. weights are reduced more than those of the crushers.  The weight is not the only factor to be considered when selecting a breaker.

  • Page 360: Attachment Connection Parts

    OTHER ATTACHMENTS AND DEVICES Hydraulic Breaker, Hydraulic Crusher and Quick Coupler Attachment Connection Parts The attachment hydraulic line and connection parts are located as illustrated below. When the attachment is disconnected, be sure to install caps or plugs to the ends of both the arm and attachment side hydraulic lines to prevent dust from entering or from sticking.

  • Page 361: Precaution For Arm Roll-In/Bucket Roll-In Combined Operation

    OTHER ATTACHMENTS AND DEVICES Hydraulic Breaker, Hydraulic Crusher and Quick Coupler Precaution for Arm Roll-In/Bucket Roll-In Combined Operation When Installing an Attachment Longer Than Standard Bucket WARNING: When an attachment (such as a hydraulic breaker, crusher or quick coupler), the overall length of which is longer than that of the bucket, is installed, the Watch Out! attachment may come in contact with the cab and/or...

  • Page 362: Control Lever (Hitachi)

    OTHER ATTACHMENTS AND DEVICES Control Lever (HITACHI) Control Lever (HITACHI) WARNING:  Never place any part of body beyond window frame. It could be crushed by the boom if boom control lever is accidentally bumped or otherwise engaged. Never remove the window sash bar.

  • Page 363: Specifications Zx75Us-5A (With Blade)

    OTHER ATTACHMENTS AND DEVICES Specifications ZX75US-5A (with Blade) Specifications ZX75US-5A (with Blade) M1P1-13-004 Model ZX75US-5A Front-End Attachment 1.62 m (5 ft 4 in) Arm Standard Bucket Capacity (Heaped) PCSA 0.28 m (0.37 yd ), CECE 0.24 m Operating Weight 7770 (17200 lb) Base Machine Weight 6640 (14700 lb) Engine...

  • Page 364: Working Ranges Zx75Us-5A (With Blade)

    OTHER ATTACHMENTS AND DEVICES Specifications ZX75US-5A (with Blade) Working Ranges ZX75US-5A (with Blade) Backhoe Face shovel (Reversed hoe bucket) M1P1-13-005 M1P1-13-006 1.62 m (5 ft 4 in) Arm 2.12 m (7 ft 0 in) Arm Category Backhoe Shovel Backhoe Shovel Item ft·in ft·in...

  • Page 365: Shoe Types And Applications Zx75Us-5A (With Blade)

    OTHER ATTACHMENTS AND DEVICES Specifications ZX75US-5A (with Blade) Shoe Types and Applications ZX75US-5A (with Blade) 450 mm (18”) 450 mm (18”) 450 mm (18”) 600 mm (24”) 450 mm (18”) Shoe Width Pad Crawler Rubber Crawler Grouser shoe Grouser shoe Flat shoe Shoe Shoe...

  • Page 366: Offset Arm Front

    OTHER ATTACHMENTS AND DEVICES Offset Arm Front Offset Arm Front ZX75US-5A Offset Control Pedal Pedal (2) is located at the operator’s right foot. M1P1-13-007 Offset Operation 1. Turn cover (1) forward to unlock pedal (2). 2. Push down on the left side of pedal (2) to move the arm to the left offset position.

  • Page 367: Offset Direction And Working Range

    OTHER ATTACHMENTS AND DEVICES Offset Arm Front Offset Direction and Working Range Interference Right and left offset directions are taken from the point of view of the operator. Accordingly, “left” offset means that the front attachment is moved towards the cab. Maximum digging depth with maximum offset distance of 1150 (3’9”) mm is A due to interference of the boom with the ground surface, as illustrated.

  • Page 368: Precautions For Operating With The Offset Function

    OTHER ATTACHMENTS AND DEVICES Offset Arm Front Precautions for Operating With the Offset Function WARNING:  In case this machine is equipped with an unspecified attachment such as an oversized bucket or hydraulic breaker, the attachment may come in contact with the cab if the machine is operated with the front attachment offset, possibly causing injury or death as well as damaging the machine...

  • Page 369: Maintenance (Offset Arm Front)

    OTHER ATTACHMENTS AND DEVICES Offset Arm Front Maintenance (Offset Arm Front) Refer to the Greasing Front Joint Pins pages in the MAINTENANCE section. Boom Foot, Boom Cylinder Bottom Side, Arm Cylinder Rod Side, and Bucket Cylinder Bottom Side Pins: Refer to the Greasing Front Joint Pins pages in the MAINTENANCE section.

  • Page 370: Specifications Zx75Us-5A (With Offset Arm Front)

    OTHER ATTACHMENTS AND DEVICES Specifications ZX75US-5A (with Offset Arm Front) Specifications ZX75US-5A (with Offset Arm Front) M1P1-13-004 ZX75US-5A Model Without Blade With Blade Front-End Attachment Offset Boom 1.62 m (5 ft 4 in) Arm Bucket Capacity (Heaped) PCSA 0.28 m , CECE 0.24 m Operating Weight 7700 kg (17000 lb)

  • Page 371: Working Ranges Zx75Us-5A (With Offset Arm Front)

    OTHER ATTACHMENTS AND DEVICES Specifications ZX75US-5A (with Offset Arm Front) Working Ranges ZX75US-5A (with Offset Arm Front) 1150 1150 (3'9") (3'9") M1CC-12-010 M1P1-13-014 Working Ranges Category Off-set Distance (0 mm) Max. Off-set Distance (1150 mm (3’9”)) Item ft·in ft·in A: Maximum Digging Reach 6430 21’1”...

  • Page 372: Shoe Types And Applications Zx75Us-5A (With Offset Arm Front)

    OTHER ATTACHMENTS AND DEVICES Specifications ZX75US-5A (with Offset Arm Front) Shoe Types and Applications ZX75US-5A (with Offset Arm Front) 0.28 m (0.37 yd3) Bucket Without Blade 450 mm (18”) 450 mm (18”) 450 mm (18”) 600 mm (24”) 450 mm (18”) Shoe Width Pad Crawler Rubber Pad...
  • Page 373 Console and Seat Fore-aft Adjustment (ZX75US-5A) .............. 1-108, 1-110 BREAK-IN .....................2-1 Console Height Adjustment ...........1-112 Backrest Adjustment ........... 1-109, 1-111 Control Lever (HITACHI)............13-18 Basic Screen ..................1-7 Control Lever (ISO Pattern) ............5-1 Batteries ................... 7-60 Controller Part Name and Function ........1-87 Before Starting Engine ..............3-2...

  • Page 374: Index

    INDEX Cooling Operation ............... 1-90 Cooling System ................7-55 Handle Chemical Products Safely ........... S-37 Correct Maintenance and Inspection Procedures ....7-1 Handle Fluids Safely−Avoid Fires ..........S-23 Hood and Access Covers ...............7-8 Horn Switch ..................1-76 DRIVING THE MACHINE ..............4-1 Hour Meter ..................
  • Page 375 INDEX Precautions for Handling Accumulator and Gas Damper ................S-34 Never Position Bucket Over Anyone ........S-18 Precautions for handling antifreeze ........7-55 Never Ride Attachment .............. S-38 Precautions for Lightning ............S-21 Never Undercut a High Bank ............ S-20 Precautions for Operating With the Offset Function ..13-24 Notes on Protection of Operator’s Station Precautions for Operations ............
  • Page 376 INDEX Secondary Relief Pressure Adjustment ........ 13-3 Security Functions (Optional) ..........1-13 Understand Signal Words .............S-1 Select/Confirm Switch (Monitor) ..........1-67 Unit Selection ................1-45 Service Air Conditioning System Safely ....... S-36 Unloading ..................6-6 Setting Menu ................. 1-25 Use Handholds and Steps ............S-6 Shackle Hole Usage ..............

This manual is also suitable for:

Zaxis 85usb-5aZx75us-5aZx85usb-5a

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