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URL:http://www.hitachi-c-m.com
PRINTED IN JAPAN (K) 2017, 03
WJBL40-EN-00
PART NO.
Workshop Manual
ZX
870
-6
870LC
-6
890H
-6
890LCH
-6
890R
-6
890LCR
-6
Hydraulic Excavator
Service Manual consists of the following separate Part No.
Technical Manual (Operational Principle)
Technical Manual (Troubleshooting)
Workshop Manual
Engine Manual
: Vol. No.TOJBL40-EN
: Vol. No.TTJBL40-EN
: Vol. No.WJBL40-EN
: Vol. No.ETJBL40-EN, EWJBL40-EN
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Table of Contents
Related Manuals for Hitachi ZX 870-6
Summary of Contents for Hitachi ZX 870-6
- Page 1 PART NO. Workshop Manual 870LC 890H 890LCH 890R 890LCR URL:http://www.hitachi-c-m.com Hydraulic Excavator Service Manual consists of the following separate Part No. Technical Manual (Operational Principle) : Vol. No.TOJBL40-EN Technical Manual (Troubleshooting) : Vol. No.TTJBL40-EN PRINTED IN JAPAN (K) 2017, 03 Workshop Manual : Vol.
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- Page 3 SECTION 1 GENERAL CONTENTS Group 1 Precautions for Disassembling and Assembling Precautions for Disassembling and Assembling ..............W1-1-1-1 Group 2 Tightening Tightening Bolts and Nuts ..........W1-2-1-1 Piping Joint ..............W1-2-1-4 Group 3 Painting Painting ................W1-3-1-1 Group 4 Bleeding Air Bleeding Air from Hydraulic System .......W1-4-1-1 Bleeding Air from Fuel System ........W1-4-1-2 Air Bleeding from the Diesel Exhaust Fluid Defrosting Piping .............W1-4-1-4...
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Page 5: Maintenance Standard
SECTION 2 MAINTENANCE STANDARD CONTENTS Group 1 Upperstructure Pump Device ..............W2-1-1-1 Swing Motor ..............W2-1-2-1 Group 2 Undercarriage Travel Motor ..............W2-2-1-1 Sprocket ................W2-2-1-3 Center Joint ..............W2-2-2-1 Front Idler .................W2-2-3-1 Upper Roller ..............W2-2-4-1 Lower Roller ..............W2-2-4-2 Track ..................W2-2-5-1 Group 3 Front Attachment Pin and Bushing ..............W2-3-1-1 Side Cutter ................W2-3-1-3 Point ..................W2-3-1-4... - Page 6 (Blank) Find manuals at https://best-manuals.com...
- Page 7 SECTION 3 UPPERSTRUCTURE CONTENTS Group 1 Cab Removal and Installation of Pilot Valve (Right) ................ W3-11-2-1 Removal and Installation of Cab ......W3-1-1-1 Removal and Installation of Travel Pilot Dimensions of Cab Glass (Standard Cab) ....W3-1-2-1 Valve ................W3-11-3-1 Dimensions of Cab Glass (H Cab) ......W3-1-2-20 Disassembly of Pilot Valves (Right and Left) ..
- Page 8 Group 20 Fan Motor Removal and Installation of Oil Cooler Fan Motor ................. W3-20-1-1 Removal and Installation of Radiator Fan Motor ................. W3-20-2-1 Structure of Oil Cooler Fan Motor and Radiator Fan Motor ..........W3-20-3-1 Group 21 Shockless Valve Removal and Installation of Shockless Valve ..W3-21-1-1 Structure of Shockless Valve ........
- Page 9 SECTION 4 UNDERCARRIAGE CONTENTS Group 1 Swing Bearing Removal and Installation of Swing Bearing ..W4-1-1-1 Disassembly of Swing Bearing ........W4-1-2-1 Assembly of Swing Bearing ........W4-1-2-4 Group 2 Travel Device Removal and Installation of Travel Device ....W4-2-1-1 Disassembly of Travel Device ........W4-2-2-1 Assembly of Travel Device ..........W4-2-2-9 Disassembly of Travel Motor ........W4-2-3-1 Assembly of Travel Motor..........W4-2-3-6...
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Page 11: Front Attachment
SECTION 5 FRONT ATTACHMENT CONTENTS Group 1 Front Attachment Removal and Installation of Bucket ......W5-1-1-1 Removal and Installation of Arm ......W5-1-2-1 Removal and Installation of Boom ......W5-1-3-1 Removal and Installation of Bushing ......W5-1-4-1 Group 2 Cylinder Removal and Installation of Boom Cylinder ..W5-2-1-1 Removal and Installation of Arm Cylinder ....W5-2-2-1 Removal and Installation of Bucket Cylinder ..W5-2-3-1 Disassembly of Boom, Arm, and Bucket... - Page 12 (Blank)
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Page 13: 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, the Workshop ... -
Page 14: 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 15 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 16 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 17: 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 18: 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 19: 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 20: 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 21 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 22: 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 23: 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 24: 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 25: 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 26: 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. Keep bystanders and obstacles clear of the area of machine operation. -
Page 27: 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 28: 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. In order not to impair operator protective structure: Replace damaged OPG guard. -
Page 29: 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 30: 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 31 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 32: 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 33: 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 34 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 35: 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 36: 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 37: 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 38: 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 39: 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 40: 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 41 This as a preview PDF file from best-manuals.com Download full PDF manual at best-manuals.com...