Hitachi ZX670LC-5G Workshop Manual
  1. Manuals
  2. Brands
  3. Hitachi Manuals
  4. Excavators
  5. ZX670LC-5G
  6. Workshop manual

Hitachi ZX670LC-5G Workshop Manual

Hydraulic excavator
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
URL:http://www.hitachi-c-m.com
PRINTED IN JAPAN (K) 2013, 04
PART NO.
WJBF90-EN-00
Workshop Manual
ZX670LC
Hydraulic Excavator
Service Manual consists of the following separate Part No.
Technical Manual (Operational Principle)
Technical Manual (Troubleshooting)
Workshop Manual
-5G
: Vol. No.TOJBF90-EN
: Vol. No.TTJBF90-EN
: Vol. No.WJBF90-EN

Advertisement

Table of Contents
loading

Related Manuals for Hitachi ZX670LC-5G

Summary of Contents for Hitachi ZX670LC-5G

  • Page 1 PART NO. WJBF90-EN-00 Workshop Manual ZX670LC Hydraulic Excavator URL:http://www.hitachi-c-m.com Service Manual consists of the following separate Part No. Technical Manual (Operational Principle) : Vol. No.TOJBF90-EN Technical Manual (Troubleshooting) : Vol. No.TTJBF90-EN PRINTED IN JAPAN (K) 2013, 04 Workshop Manual : Vol. No.WJBF90-EN...
  • Page 2 Find manuals at https://best-manuals.com...

  • Page 3: Additional References

    FAX: 81-29-831-1162 E-mail: dc@hitachi-kenki.com Additional References Please refer to the other materials (operator’s manual, parts catalog, engine technical material and Hitachi training material etc.) in addition to this manual. Manual Composition This manual consists the Technical Manual, the Workshop Information included in the Workshop Manual: Manual and the Engine Manual.
  • Page 4 INTRODUCTION Safety Alert Symbol and Headline Notations In this manual, the following safety alert symbol and CAUTION: signal words are used to alert the reader to the potential Indicated potentially hazardous situation which could, if for personal injury of machine damage. not avoided, result in personal injury or death.
  • Page 5 Symbol and Abbreviation Symbol and Abbreviation Symbol / Name Explanation Abbreviation Technical manual (Operational principle) Technical manual (Operational Principle). Technical manual (Troubleshooting) Technical manual (Troubleshooting). Technical manual Technical manual. W, W/M Workshop manual Workshop manual (Removal and Installation, Disassembly and Assembly). Main Controller Main controller.
  • Page 6 Symbol and Abbreviation Symbol / Name Explanation Abbreviation Diesel Particulate Filter DPF is a filter which removes particulate matter (PM) including the toxic substance of exhaust gas of the diesel engine. Exhaust particulate removal equipment. Diesel Particulate Diffuser DPD is an exhaust emission control system, a type of DPF, which cleans up particulate matter (PM) of diesel engine exhaust gas.

  • Page 7: Recognize Safety Information

    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 On machine safety signs, signal words designating the degree or level of hazard - DANGER, WARNING, or CAUTION - are used with the safety alert symbol.
  • Page 8 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 9 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. To ensure that a fire extinguisher can be always used when necessary, check and service the fire extinguisher at the recommended intervals as specified in the fire...

  • Page 10: Inspect Machine

    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 Inspect your machine carefully each day or shift by walking around it before you start it to avoid personal injury.

  • Page 11: 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 12: 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. Never jump on or off the machine.

  • Page 13: 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 14: 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 15: 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 16: 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 17: 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 18: 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 19: Provide Signals For Jobs Involving Multiple Machines

    SAFETY 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. Make sure that all personnel obey the signal person’s directions. SA-481 Confirm Direction of Machine to Be Driven Incorrect travel pedal/lever operation may result in serious...

  • Page 20: 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. Do not allow personnel to stay around the machine while traveling.
  • Page 21 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 22: 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. Lower the bucket and/or other work tools to the ground.

  • Page 23: 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: Always look around BEFORE YOU BACK UP AND SWING THE MACHINE.

  • Page 24: 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 25: 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 26: 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 27: 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 28: 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 29: 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 and power mode switch ECO. Run engine at slow idle speed without load for 5 minutes. Turn key switch to OFF to stop engine. Remove the key from the key switch.

  • Page 30: 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 31: 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. Keep hands, feet and clothing away from power-driven parts.

  • Page 32: 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 33: 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 Grease in the track adjuster is under high pressure.

  • Page 34: 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: After operation, engine coolant is hot and under pressure.

  • Page 35: 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. Periodically replace the rubber hoses.

  • Page 36: 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. Tighten, repair or replace any missing, loose or damaged clamps, lines, hoses, oil-cooler and oil-cooler flange bolts.
  • Page 37 SAFETY Clean up Flammables: Spilled fuel and oil, and trash, grease, debris, accumulated coal dust, and other flammables may cause fires. Prevent fires by inspecting and cleaning the machine daily, and by removing adhered oil or accumulated flammables immediately. Check and clean high temperature parts such as the exhaust outlet and mufflers earlier than the normal interval.

  • Page 38: 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. Exit the machine.

  • Page 39: 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 40: 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. SA-34...

  • Page 41: 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. SA-35...

  • Page 42: 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. Do not charge a frozen battery; it may explode. Warm the battery to 16 ˚C ( 60 ˚F ) first.

  • Page 43: Handle Chemical Products Safely

    Dispose of Waste Properly 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 44: 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 45: 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 46 (When required to remove or install the communication terminal, consult your nearest Hitachi dealer.) Do not pinch or forcibly pull cables, cords or connectors. Failure to do so may cause short circuit or broke circuit that may result in damage and/or fire to the base machine or to the communication terminal.
  • Page 47 SAFETY Before Returning The Machine To The Customer After maintenance or repair work is complete, confirm that: The machine is functioning properly, especially the safety systems. Worn or damaged parts have been repaired or replaced SA-435 SA-41...
  • Page 48 SAFETY MEMO ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................SA-42...
  • Page 49 Group 4 Track Adjuster Group 5 Front Idler Group 6 Upper and Lower Roller Group 7 Track SECTION 5 ATTACHMENT COPYRIGHT(C)2012 Hitachi Construction Machinery Co., Ltd. Group 1 Front Attachment Tokyo, Japan All rights reserved Group 2 Cylinder SECTION 6 ENGINE...
  • Page 50 TECHNICAL MANUAL (Operational Principle) TECHNICAL MANUAL (Troubleshooting) SECTION 1 GENERAL SECTION 4 OPERATIONAL PERFORMANCE TEST Group 1 Specification Group 1 Introduction Group 2 Component Layout Group 2 Standard Group 3 Component Specifications Group 3 Engine Test SECTION 2 SYSTEM Group 4 Excavator Test Group 1 Controller Group 5 Component Test Group 2 Control System...
  • Page 51 This as a preview PDF file from best-manuals.com Download full PDF manual at best-manuals.com...

Table of Contents