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URL:http://www.hitachi-c-m.com
PRINTED IN JAPAN (K) 2011, 10
PART NO.
TTJBA-EN-00
Technical Manual
Troubleshooting
ZX
670LC
-5B
670LCH
-5B
670LCR
-5B
Hydraulic Excavator
Service Manual consists of the following separate Part No.
Technical Manual (Operational Principle)
Technical Manual (Troubleshooting)
Workshop Manual
Engine Manual
: Vol. No.TOJBA-EN
: Vol. No.TTJBA-EN
: Vol. No.WJBA-EN
: Vol. No.ETJBA-EN, EWJBA-EN
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Table of Contents
Related Manuals for Hitachi ZX 670LC-5B
Summary of Contents for Hitachi ZX 670LC-5B
- Page 1 PART NO. TTJBA-EN-00 Technical Manual Troubleshooting 670LC 670LCH 670LCR Hydraulic Excavator URL:http://www.hitachi-c-m.com Service Manual consists of the following separate Part No. Technical Manual (Operational Principle) : Vol. No.TOJBA-EN Technical Manual (Troubleshooting) : Vol. No.TTJBA-EN Workshop Manual : Vol. No.WJBA-EN PRINTED IN JAPAN (K) 2011, 10 Engine Manual : Vol.
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Page 3: Additional References
Form” at the end of this manual. (Note: Do not tear off Be sure to thoroughly read this manual for correct the form. Copy it for usage.): product information and service procedures. Publications Marketing & Product Support Hitachi Construction Machinery Co. Ltd. TEL: 81-29-832-7084 FAX: 81-29-831-1162 ... -
Page 4: Units Used
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.
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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 ... -
Page 8: Follow Safety Instructions
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: 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 10: 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 11: General Precautions For Cab
SAFETY General Precautions for Cab Before entering the cab, thoroughly remove all dirt and/ or oil 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. ... -
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 ... -
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. - 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.
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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. ... -
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: ... -
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. ... -
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. ... -
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... -
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: ... -
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. ... -
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. - 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.
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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. ... -
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 This as a preview PDF file from best-manuals.com Download full PDF manual at best-manuals.com...