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URL:http://www.hitachi-c-m.com
PRINTED IN JAPAN (K) 2019, 04
PART NO.
WKEB90-EN-00
Workshop Manual
EX2600
Hydraulic Excavator
Tier 4 Final Cummins Engine
Service Manual consists of the following separate Part No.
Technical Manual (Operational Principle)
: Vol. No.TOKEB90-EN
Technical Manual (Troubleshooting)
: Vol. No.TTKEB90-EN
Workshop Manual
: Vol. No.WKEB90-EN
-7B
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Table of Contents
Related Manuals for Hitachi EX2600-7B
Summary of Contents for Hitachi EX2600-7B
- Page 1 PART NO. WKEB90-EN-00 Workshop Manual EX2600 Hydraulic Excavator Tier 4 Final Cummins Engine URL:http://www.hitachi-c-m.com Service Manual consists of the following separate Part No. Technical Manual (Operational Principle) : Vol. No.TOKEB90-EN Technical Manual (Troubleshooting) : Vol. No.TTKEB90-EN PRINTED IN JAPAN (K) 2019, 04 Workshop Manual : Vol.
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Page 3: Additional References
FAX: 81-29-831-1162 E-mail: HCM-TIC-GES@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 and the ... -
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 Indicates 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 / 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). EPA Tier 4 Final EPA (The United States Environmental Protection Agency) Tier 4 Final emissions regulations for Non-road mobile machines take effect on Jan,2015.
- Page 6 SYMBOL AND ABBREVIATION Symbol / Name Explanation Abbreviation Aerial Angle Control Unit Aerial angle control unit. ACU controls the circumference check of the machine by using the monitor. Basic Performance Monitoring Unit Basic performance monitoring unit. BPU semiautomatically measures the basic performance. Fatigue Monitoring Unit Mechanical fatigue monitoring unit.
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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-2644 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 for a fire or an accident. 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 SAFETY General Precautions for the Cab Before entering the cab, thoroughly remove all dirt and/or oil such as mud, grease, soil or stones 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.
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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 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. -
Page 15: Operate Only From Operator's Seat
SAFETY Operate Only from Operator's Seat Inappropriate engine starting procedures may cause the machine to runaway, possibly resulting in serious injury or death. Start the engine only when seated in the operator's seat. Do not start engine by shorting across starter terminals. ... -
Page 16: Keep Riders Off Machine
SAFETY Keep Riders off Machine Riders on machine are subject to injury such as being struck by foreign objects and being thrown off the machine. Only the operator should be on the machine. Keep riders off. Riders also obstruct the operator’s view, resulting in the machine being operated in an unsafe manner. -
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: Restriction Of Attachment Installation
SAFETY Make sure the worksite has sufficient strength to firmly support the machine. When working close to an excavation or at road shoulders, operate the machine with the tracks positioned perpendicular to the cliff face with travel motors at the rear, so that the machine can more easily evacuate if the cliff face collapses. -
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 Be sure to fully pull up the stairway before traveling. Before descending a slope, turn the travel mode switch to the SLOW position on level ground. Do not operate the travel mode switch while descending a slope. The machine may slip, possibly causing safety accident.
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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 gradient. ... -
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 SAFETY Keep People Clear from Working Area People around the operating machine may be hit severely by the swinging front attachment or counterweight, be caught in other objects, and/or be struck by flying objects, resulting in serious injury or death. ...
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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 to within 3 m plus twice the line insulator length of overhead wires. -
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. Run engine at slow idle speed without load for 5 minutes. Press and hold the engine stop switch until stopping the engine completely. -
Page 30: 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 31: 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. If the light bulb is broken, spilled fuel, oil, antifreeze fluid, or window washer fluid may catch fire. -
Page 32: 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 33: Avoid Injury From Attachment Falling Accident
SAFETY Avoid Injury from Attachment Falling Accident Stored attachments such as buckets, hydraulic hammers, and blades can fall and cause serious injury or death. To avoid possible personal injury from attachment falling accident, use a platform when replacing an attachment. ... -
Page 34: 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 35: 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 36 SAFETY Clean up Flammable Materials: Spilled fuel and oil, 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 37 SAFETY Check Emergency Engine Stop Switch: If a fire breaks out, failure to release pressurized air inside the hydraulic oil tank will escalate fire, hampering fire fighting. Check the emergency engine stop switch function every 250 hours: 1) Start the engine and run it at slow Idle. 2) Press the emergency engine stop switch.
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Page 38: Evacuating In Case Of Fire
SA-393 with new genuine Hitachi parts before operating the machine. Before operating the machine for the first time, all new operaters must practice evacuating with the emergency escape device at least once. -
Page 39: Beware Of Exhaust Fumes
SAFETY Beware of Exhaust Fumes Prevent asphyxiation. Engine exhaust fumes can cause sickness or death. If you must operate in a building, be sure there is adequate ventilation. Either use an exhaust pipe extension to remove the exhaust fumes or open doors and windows to bring enough outside air into the area. -
Page 40: Avoid Heating Near Pressurized Fluid Lines
SAFETY Avoid Heating Near Pressurized Fluid Lines Flammable spray can be generated by heating near pressurized fluid lines, resulting in severe burns to yourself and bystanders. Do not heat by welding, soldering, or using a torch near pressurized fluid lines or other flammable materials. ... -
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. Do not keep tools, metals or flammable materials around the battery or inside the battery room. If a metal tool is placed across the battery terminal, sparks may be created, possibly resulting in fire and/or explosion. -
Page 43: 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, DEF/AdBlue®, 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 on attachments or the load. This is an extremely dangerous practice. Notes on Aftertreatment Device About Aftertreatment Device The aftertreatment device removes particulate matter (PM) and NOx (Nitrogen Oxide) from the exhaust gas. Follow the instructions below to prevent the aftertreatment device from being damaged. - Page 45 SAFETY Precautions for Communication Terminal Equipment This machine has a communication terminal equipment emitting electrical waves installed in a cover which is in the right side of cab. There is a possibility that a medical device, including an implantable device such as a cardiac pacemaker, could be affected and malfunction due the electrical waves emitted from the communication terminal equipment.
- Page 46 SAFETY Do not attempt to disassemble, repair, modification and displacement of the communication terminal, antenna and cables. Failure to do so may cause damage or fire on the machine and the communication terminal. (Before removing or installing the communication terminal, consult your authorized dealer.) ...
- Page 47 WIU communication equipment. (When required to remove or install the WIU communication equipment, consult your nearest Hitachi dealer.) Do not pinch or forcibly pull cables, cords or connectors. Failure to do so may cause short circuit or broken circuit that may result in damage and/or fire to the base machine or to the WIU communication equipment.
- Page 48 SAFETY Machine Fire Suppression What you should do: This machine, like other large mobile machines that operate virtually nonstop, 24 hours per day, 7 days per week, generates considerable heat in close proximity to flammable fluids and is susceptible to fire. Fires can result in expensive repair or replacement and more importantly serious injury to the equipment operator.
- Page 49 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-43...
- Page 50 SAFETY (Blank) SA-44...
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