Hitachi ex120 troubleshooting the track twisted up and broke the fitting, the line attaches to (filter) it is called in parts catalog. Understanding these problems and knowing how to address them can significantly enhance the performance and longevity of the machine. this is called the "Auto Decel" or auto deceleration circuit. HITACHI EX120-5 Excavator Operators Feb 12, 2025 · Let us check the Hitachi fault code troubleshooting and clearing with an example of Hitachi EX120 hydraulic problems. I pulled banjo and filter was pretty darn clogged. One of the key features of this excavator is its powerful and technologically advanced This PDF Workshop Manual has been prepared to provide workshop information regarding repair procedures on the Hitachi Excavator EX120-5 Model. Thread starter maineplower; Start date Feb 21, 2021; M. MANUAL COMPOSITION This manual consist of two portions: the Technical Manual (Trouble shooting) also the Workshop manual. Technical & Workshop Repair Manual Hitachi EX120-5 Excavators. Technical information wished for operational effectiveness assessments, and troubleshooting procedures. repair manuals & instructions 3. Original factory dealership manuals for HITACHI EXCAVATORS EX120-2 by DIY Repair Manuals. This parts catalog is a pdf parts list. the reason i broke a line is the thing thru a track off and my brother was trying to drag it out of the mud. This Hitachi EX120-2 Excavator Workshop Service Repair Manual provides detailed illustrations, instructions and diagrams for troubleshooting, maintenance and repair. Simple to complicated repairs can be completed effortlessly with the information provided. The PDF equipment parts catalog contains detailed spare parts and accessories information, part book, technical information about spare parts and accessories for Hitachi Excavator EX120-3. Workshop Repair Manual Hitachi EX120-2 Excavators. The Hitachi EX120 is a popular excavator model known for its reliability, performance, and durability in various construction and excavation projects. Sep 10, 2020 · Hi everyone I have been working on a mates hitachi ex120-3 it originally had very hydraulics when cold found the p sensor wires were broken fitted a new plug and repaired checked all the wires as per the manual all ok replaced a broken sensor on the shuttle valve it was broken off once I fixed this the machine had normal function when cold but Mar 9, 2011 · As far as the contruction side, we also have a Mitsubishi BD2G. – Info Included within the Workshop Guide: Hitachi EX120-3 Excavator Workshop Service Repair Manual. – Info Included within the Technical Handbook (Troubleshooting): Technical data wanted for operational efficiency assessments, and troubleshooting procedures. 4 Working Capabilities; 3 Common Problems and Recommendations for the Hitachi EX120-5 Excavator Download Service Repair Manual For Hitachi EX120-5 Excavator. Now it has manifested into a problem of mayor power loss, the machine will stall/deadhead at the with most functions tracks and stick seem to be affected the most. These manuals are written for an experienced technician to provide technical information nedded to maintain and repair this machine. 0949 The EX1200-7 is a unique excavator within the Hitachi range, adapting to many different operations. $ 19. 1. This service manual is for training new personnel and for reference by experienced service techni— clan. i have tested the angle sensor and found it is o. Surely using this repair manual is an inexpensive way to keep your car working properly. 2 Dimensions; 2. Can you tell me more about what's going on? Customer: I have Taken the hose off to thumb that closes the thumb and oil is going to cylinder, but it won't close, wandering if it could be in switch on controller Mechanic's Assistant: Is there anything else the Expert should know Hitachi Service and Repair Manual Hitachi Manuals for your machinery will help you with maintenance and repairs on daily basis. Sep 9, 2022 · Hi, I have an ex120-3 that’s been down for a couple months. Apr 18, 2020 · It also used to have worse problems in fall and winter but went all summer with no problem. The Hitachi EX120 Excavator is a powerful piece of heavy machinery widely used in a wide range of construction and industrial applications. Hitachi EX120 2 Excavator Workshop Service Repair Manual. pdf 2. Can you tell me more about what's going on? Customer: I have Taken the hose off to thumb that closes the thumb and oil is going to cylinder, but it won't close, wandering if it could be in switch on controller Mechanic's Assistant: Is there anything else the Expert should know Excavators Workshop Service Manual. Key specifications include a 0. Factory technical manual and performance check and troubleshooting manual For Hitachi EX120-2 Excavators. HITACHI EX120-2 EXCAVATOR SERVICE MANUAL Download! br This HITACHI EX120-2 manual is a detailed file and it is illustrated with clear step-by-step instructions. Hitachi EX120-3 Hydraulic Excavator service repair manual is the same manual used by professional technicians, mechanics and workshops around the world. Models. HITACHI EX100 EX100M EXCAVATOR SERVICE MANUAL. Here are a few steps you can take to further diagnose and narrow down the issue:Inspect the control valve: Begin by visually inspecting the control valve for any signs of damage, such as leaks, loose connections, or broken components. Hitachi EX120-3 Service Manual. Runs good for bit then stubbles and will barely idle. The machine stalls under load and Bogs down, the tracks only work at high speed and the swing brake won’t HeavyEquipmentTech : Hi my name isXXXXX will try to help. Our pdf Files have: 455 pages Serchable text Friendly Menu Bookmarks Index Clear Images/Photos. 99. Oct 13, 2016 · Working on Hitachi EX120-2 early model looks like the 490E. The manuals include service manuals, technical manuals, parts catalogs, and troubleshooting guides. So Feb 21, 2021 · Hitachi ex120-2 travel speed issue. besides that Apr 12, 2017 · Hitachi EX120-2 Excavator Parts Catalog; Hitachi EX200-2 Service Manual; Hitachi Excavator ZX240-3 to ZX250LCK-3 Parts Catalog P1V1-1-1 EN JP; Hitachi Zaxis 200,225,230 Class Hydraulic Circuit Diagram; Hitachi EX 750 -5 EX 800 H-5 Full Service Manual; Hitachi Zaxis 200,225,240,270-3 Service Manual; Hitachi WIN DR Technical Manual (a PC version Brands: Hitachi Equipment Type: Hydraulic Excavator Manuals Type: Service Manual Machine Model: EX120 Serial Number: - Book Code: KM08900 Issued: Printed in Japan Language: English Pages: 984 File Format: Portable Document Format (PDF) Remark: Includes Engine Shop Manual Oct 22, 2023 · Hello, we’ll I’ve been tinkering with my ex120-2, due to maybe low power. May 2, 2021 · I am very new to this form, my friend bought an ex120 digger and is havig these very same problems, as I not up to speed with all these solinoid valves etc could anybody out there recomend where i get a manual for this machine. It runs fine at idle but as soon as any hydraulic function is activated it drags the engine down and just about stalls it. I tend to buy/start projects. May 9, 2024 · Hitachi EX120 Excavator Workshop Service Repair Manual. Topic author. CD-ROM. It did have collapsed fuel line. I don't have any engine manuals but I seen on here that someone mentioned the hydraulics might be causing the engine to heat up. Seems to be worse in winter. pdf) or read online for free. The 2,3and 4s were only half the machines of the 1 and 5 but i had to discover this after i purchased my dash 3. HITACHI EX300 3C EXCAVATOR SERVICE REPAIR MANUAL. There are 590 pages of information included in this manual. It operates a little like the excavator in this video I have been trying to diagnose the problem over the last few days and the following is what I This document lists various Hitachi workshop manuals and repair manuals for excavators, wheel loaders, and other construction equipment. 2. The exploded elements diagrams are exquisite for searching on the elements at the tractor and are important for disassembly, restore after which reassembly. Technical info wanted for upkeep and restore of the machine, instruments, and gadgets wanted for the upkeep and restore, upkeep requirements, and elimination/set up and assemble/disassemble procedures. Hitachi EX120-5 Hydraulic Excavator Workshop + Troubleshooting + Operational Principle + Circuit & Harness Manual – PDF Download $ 90. I have a gray market Hitachi ex120. It has a new turbo. Tons of illustrations, instructions, diagrams for step by step remove and install, assembly and disassembly, service, inspection, repair, troubleshooting, tune-ups. left stick does not opperate at all accept if i am tracking and push left stick to the right the drive seems to be working at the right speed. With this in-depth & highly detailed manual you will be able to operate on your vehicle Mar 31, 2017 · Got a ex120 with possible fuel problem. Jul 7, 2009 · I have a Hitachi EX120-1. Reactions This 465-page parts catalog provides detailed diagrams and lists of parts for the Hitachi EX120-2 excavator. Effective solutions for your Hitachi equipment at Heavy-EquipmentManual. With this in-depth & highly detailed manual you will be able to work on your vehicle with the absolute best resources available, which will not only save you money in repair bills If you own a Hitachi EX120-5 Excavator, this is a GREAT MANUAL TO HAVE. Joined Mar 2, 2017 Messages 4 Location Florida. Sep 13, 2024 · Hi, I have an ex120-2 and the I L E P buttons and corresponding lights are not working. 3 Durability and Maintenance; 2 Hitachi EX120-5 Excavator Specs. Apr 18, 2017 · This machine continues to have problems with swing brake setting while rotating and appears to be getting more frequent. Hitachi EX120-3 Excavator Service Repair Apr 15, 2022 · HEQ members. Now machine cranks up and runs great and smooth. the information in this manual will enable you to find trouble and to understand how to repair and maintain your machine without going into service. Purposes Original Factory Service Repair Manual for the Hitachi EX120-3 Excavator. This manual includes 451 pages of searchable text, wiring diagrams, and hydraulic diagrams, making it an essential resource for maintenance and troubleshooting. Have a new to me Hitachi ex 120-2 that has arrived. It contains detailed illustrations, instructions, and diagrams to help you repair, maintain, and troubleshoot your Hitachi EX120-5. 00 Current price is: $19. Its a pretty capable machine, but when you start ripping out stumps it really beats up the machine. TO155E02 - Hitachi EX120-5 Excavator Technical Manual (Operational Principle). Our pdf Files have: 985 pages Serchable text Friendly Menu Bookmarks Index Clear Images/Photos Use fresh water or normal tap water as a coolant. My latest is a 1992 Hitachi EX120-2. dieseldan55 : Normally on theses type of valves, there is a locking pin you will need to pull or unscrew to allow the valve to rotate. MANUAL COMPOSITION This handbook include two parts: the Technical Handbook (Hassle capturing) and the Workshop guide. DIY is the top-rated supplier of printed dealership factory manuals. Mar 3, 2017 #5 Hitachi ex120 1 parts service repairworkshop manual downloadinstant downloadhitachi ex120 1 parts service repair relayscomputerwiring. At the same time, the engine started to run hot, and the hydraulics Dec 8, 2017 · Hi, I have a Hitachi 120-3 excavator which has hydraulic / electronic problems. Our pdf Files have: 1120 pages Searchable text Friendly Menu Bookmarks Index Clear Images/Photos Jul 24, 2012 · The same holds true for a bad solenoid as a burned solenoid will cause constant problems vs intermittent problems. Hitachi Ex120 Owners Operators Manual. hi Jack. This is a download only no manual or CD will be sent. $71. Format PDF. Image Preview: Description: Hitachi EX120-5 Excavator Operational Principle+Troubleshooting+Workshop Manual. Publication Number P12N-1-7. I replaced line and know functions do not opperate properly. 586. All years in stock. Information Hitachi Ex120-5 Models Troubleshooting Manual This set of PDF manuals includes workshop manuals and operator's manual for excavator Hitachi EX120-5. Repair manuals hitachi hydraulic excavators workshop service manual 1. This manual contains all you need to know to service and repair your Hitachi excavator from changing a diesel filter to a final drive repair. the engine stalls and stops when a lever is pulled to its maximum. I’ve had a few different mechanics work on it and still no solution. pdf IMAGES PREVIEW OF THE MANUAL: DESCRIPTION: Hitachi EX120 Excavator With Isuzu ZU 4BD1 4BD1T 6BB1 6BD1 6BD1T Engines Service Repair Manual. Hitachi Ex100 Hydraulic Excavator Service Manual taftaf de. Also runs outa fuel at half tank even tho it's half full. Download this manual today and get started on your repairs! Customer: Got a 2007 hitachi ex120 thumb will extend but not close, Mechanic's Assistant: I'll do all I can to help. Compatible All windows and mac systems. Click here for information about the manufacturer. Nathan01 New Member. The machine has very slow hydraulics including the track motors. Note: also, you can purchase the following PDF manual for Hitachi Excavator EX120-3: Parts Catalog. woocommerce-product-gallery{ opacity: 1 !important; }</style> hitachi ex50 ex50u ex50ur ex50ura ex50urg ex55ur hitachi ex60 ex60 ex60-1 ex60-2 ex60-3 ex60-5 ex60urg hitachi ex75 ex75 ex75ur ex75us hitachi ex80 ex80-5 ex80u ex90-1 hitachi ex100 ex100 ex100-1 ex100-2 ex100-3 ex100-5 ex100-5e ex100m-5 ex100wd ex100wd-1 ex110 hitachi ex120 ex120 ex120 lc-2 ex120 lc-5 ex120-1 ex120-2 ex120-2a ex120-3 ex120-5 This is the official Hitachi EX120-5 Workshop manual PDF download. Thanks Dec 23, 2024 · The Hitachi EX120-3 excavator is engineered to deliver exceptional performance across various applications, making it a solid investment for contractors and operators looking for reliability and efficiency on the job site. This factory service repair manual, formatted in PDF, spans 984 pages and provides comprehensive coverage with detailed illustrations, step-by-step instructions, and intricate Hitachi EX120-3 Excavator Parts Catalog Manual. . Package Include Hitachi EX120-5 Technical Manuals. Apr 8, 2015 · Hitachi EX120-2 Excavator Service Repair Manual. Format: PDF Language: English Pages: 451 Bookmarks: Yes Searchable: Yes The Hitachi EX120-2 Excavator Service & Repair Manual is a comprehensive resource for both professional mechanics and DIY enthusiasts. Best selection and lowest prices on operator manual, service repair manuals, electrical wiring diagram, and parts catalogs. This Parts Catalog has exact illustrations and exploded perspectives. Installed new motor Replaced wire harness and 2 new computer. Hitachi ZW 100-120 G Wheel Loader Technical Troubleshooting Manual With This Original Factory Technical Troubleshooting Manual The Technician can Find and Solve any problems encountered in the operation of your Hitachi Wheel Loader Models of : ZW 100G / ZW120 G Aug 22, 2018 · EM1E813 – Hitachi EX100-5, EX100M-5, EX120-5, EX130H-5 Excavator Operator’s Manual. This is the Highly Thorough manufacturing facility service repair work guidebook for the Hitachi EX120-2 Excavator Service Repair Manual, this Solution Guidebook has actually specificed images as well as action by step instructions, It is 100 percents comprehensive and undamaged. 99 $93. Brands: Hitachi Equipment Type: Hydraulic Excavator Manuals Type: Technical Manual + Workshop Manual Machine Model: EX120-2 Serial Number: - Book Code: KM105E03 Issued: Printed in Japan Language: English Pages: 1172 File Format: Portable Document Format (PDF) Remark: Includes Engine Shop Manual Find official manuals for everything related to Image Preview: Description: Hitachi EX120-5 Hydraulic Excavator Operational Principle+Troubleshooting+Workshop Manual. The parts catalog contains a list of useful parts information, description of components, pictures, drawings, and charts. This manual is compatible with all Windows and Mac operating systems, and can be printed for unlimited copies. This is a PDF file and recommend. W155E01 - Hitachi EX120-5 Excavator Workshop Manual. Recently it has developed a problem with the throttle control and ignition switch. On the pump speed, and angel sensor,throttle touch pad/ pump restate board and the engine will not start. 00 Original price was: $90. They provide repair and maintenance information to Nov 20, 2010 · Hello from Louisiana - I have a Hitachi EX120-2 with the same problem (approx year 1994-1995). To mitigate these issues and ensure the Hitachi EX120 operates at peak performance, consider the following recommendations: 1. Hitachi EX120-2 EM1E8NA21 - Hitachi EX120-5 Excavator Operator's Manual. This PDF parts catalog is intended for Hitachi Excavator EX120-2. k. Original factory dealership manuals for HITACHI EXCAVATORS EX120 by DIY Repair Manuals. Mar 29, 2020 #1 Oct 24, 2024 · I have a Hitachi EX120-2 and the engine stalls when hydraulic functions are used. Language English. 3 Weight; 2. 866. At its core lies clever and complex engineering; on the surface is a beautifully simple, operator-friendly machine. wiring diagrams - Hitachi EX120-3 Excavator Parts Catalog - 418 pages; - Hitachi EX200-3, EX200LC-3, EX200H-3, EX200LCH-3 Package include Hitachi EX120-2 Excavator Parts Manual. Download Hitachi service manual and Hitachi repair manual. EM1E8-NA2-1 This manual contains information concerning the adjustment and maintenance of the Hitachi EX120-5 Excavator. Package Include Hitachi EX120-5 Full Set of Manuals EX120-5 Technical Manuals EX120-5 Workshop Manual EX120-5 Electrical & Hydraulic Diagrams EX120-5 Parts Equipment Manual Customer: Hitachi ex120-2 Mechanic's Assistant: Jeff | 8 year forklift mechanic on all brands hydraulic hose cylinder repair parts source lpg knowledge. Pressing the up and down arrows do nothing. N. Apr 15, 2022 · Have a new to me Hitachi ex 120-2 that has arrived. This workshop manual contains repair and workshop information, service and maintenance instructions, description of repair procedures. Workshop Manual Contents: INTRODUCTION SAFETY This PDF parts catalog includes spare parts and accessories information for Hitachi Excavators EX120-5, EX120SS-5, EX120-5HG, EX120-5LV, EX120-5X, EX120-5E, EX120-5Z, EX130H-5, EX130K-5. Hitachi EX120-2 Excavator Service & Repair Manual . This Hitachi EX120-5 Excavator Service Manual pays much attention to practicality from the view point of users, and the content is reasonably arranged. Here’s a bit of a run down on the issues the machine has. It contains detailed spare parts and accessories information for Hitachi Excavator EX120-2 Model. I started a listing below of repair support questions from the forum experts here Prior owner said Hitachi was diagnosed as needing a new computer and possible main pump rebuild, due to operating a little weak. Download Operator's Manual For Hitachi EX120-5 Excavator. Include Step by step repair procedures, illustrations, diagrams, exploded views, troubleshooting procedures, performance tests, removal and installation, assemble and disassemble procedures. Please have all operators read this manual carefully and keep it available for ready reference. Common Problems and Recommendations for the Hitachi EX120-3 Excavator Oct 31, 2012 · HI spitzair, thanks again. The Hitachi EX120-3s give alot of trouble compared to the dash 1 and 5. Note: also, you can purchase the following PDF manual for Hitachi Excavator EX120-2: Equipment Components Parts Catalog. ShaneeOC New Member. Hitachi EX120-2 Excavator Workshop Service Repair Manual. Put inline pump on as well and it's pushing fuel. This handbook embodies two elements: the Technical Handbook (Problem capturing) and the Workshop information. The troubleshooting section consists of 7 groups: the diagnosing procedure, the component layout, the troubleshooting A (using fault codes), troubleshooting B (starting with symptoms), troubleshooting C (gauges and indicators), the electrical system inspection procedures, and harness check groups. Jan 3, 2014 · i got a problem with my hitachi ex120-2. Hitachi EX120-5 EX130K-5 Excavator Factory Parts Catalog Read more; Hitachi EH 3500A II Rigid Dump Truck Workshop Service Apr 18, 2020 · Thanks to all who offered assistance with my EX120-5 throttle control problem. The throttle control is working again. Talk about technical issues here. I restart the engine and it will run normally. Oct 29, 2019 · I have a 2001 Hitachi EX 120-5. The Technical Manual includes: SECTION 1 - SPECIFICATION Hitachi ex120-2 technical workshop manual | eManualOnline The Hitachi EX120-5 excavator technical manual is an essential resource for mechanics, technicians, and owners as it provides detailed information on maintenance procedures, troubleshooting, specifications, and more, helping to keep the equipment in optimal working condition. Download Hitachi WorkShop Repair Manuals in pdf. Additional Requirement Hitachi EX120-5 Electrical & Hydraulic Diagrams With This Original factory Diagrams The Technician can solve any problems encountered in the operation of your Hitachi Excavator Models of : EX120-5 <style>. A link is provided to download the full catalog containing all parts details. repair manuals hitachi ex 60 5/75ur 3/ 75urlc 3 3. Jan 6, 2025 · Recommendations for Maintenance and Troubleshooting. drive is very slow . Technical info wanted for upkeep and restore of the machine, instruments and gadgets wanted for the upkeep and restore, upkeep requirements, and elimination/set up and assemble/disassemble procedures. I was happy to think wow here’s my low power problem. Total Number of pages 1-347. It started stalling when the hydraulic pump was under load. d4c24a Posts: 759 Joined: Mon Jun 18, 2007 9:51 pm Hitachi Service and Repair Manual Hitachi Manuals for your machinery will help you with maintenance and repairs on daily basis. After performing the engine learning procedure I finally have positive results. I read the threads to check the fuel banjo screen filter. Features. Models Description. Do not use strong acid or alkaline water. Jul 6, 2017 · EX120-5 TROUBLESHOOTING Fiat Hitachi D350 Service Manual Fiat-Hitachi Excavator EX165W Workshop Manual Hiatchi EX200-5 Workshop manual Hiatchi Hydraulic Excavator EXPERT Q&A: TROUBLESHOOTING HITACHI EX120 CONSTRUCTION EQUIPMENT. lt works to give you both the general background as a training text and technical details of shop service and field service. pdf. Image Preview: Description: Hitachi EX120-5 Hydraulic Excavator Operational Principle+Troubleshooting+Workshop Manual. Order Manuals Hitachi. It is a comprehensive guide for mechanics and DIY enthusiasts with high quality images, circuit diagrams and easy to follow instructions. A control valve problem could indeed cause the lack of drive on one side of your Hitachi EX120-3 excavator. This manual consists of two portions: the Technical Manual (Troubleshooting) and the Workshop Manual. 1 Engine Specifications; 2. SN 40001 & up. PDF (Instant Download) Language: English Pages: 984 Bookmarks Searchable Text Wiring Diagrams Hydraulic Diagrams. This manual is compatible with all Windows and Mac versions and can be printed for unlimited copies. In addition, I can tell you the EC motor is running Hitachi EX215 Troubleshooting Manual. It is this level of :detail:. Contains detailed illustrations, instructions, and diagrams, step-by-step process for removal and installation, disassembly and assembly, service, inspection, repair, troubleshooting, tuneups. This set of PDF manuals includes workshop manuals and operator’s manual for excavator Hitachi EX120-5. also tested both the high speed solenoids on the top of the pump and both gives the same ohms and not grounded All technical details taken directly from the manufacturer can be found in this manual, It is the factory manual from the manufacturer. No matter you are the end-user or distributor, or professional technician, we have perfect guidance for you. I have cleaned all banjo screens, replaced all fuel filters, and changed the lift pump. Use the coolant with genuine Hitachi Long-Life Coolant (LLC) mixed by 30 to 50 %. The throttle control circuit is a complex circuit as it is also tied into the ECM and receives signals from the engine speed sensor, the throttle control dial, the monitor panel, and hydraulic pressure sensors. Jan 29, 2013 · Hitachi 120 Hydraulic Problems. Hitachi EX120 Excavator Repair Manual. That was quite a job, but you live & learn. Each section covers a specific component or system with detailed illustrations. Mar 21, 2024 · Routine Maintenance of Hitachi EX120 Parts; Troubleshooting Common Issues; Ensuring Genuine Hitachi Parts; Conclusion; FAQs; Introduction to Hitachi EX120. TO THE READER • This manual is written for an experienced technician to provide technical information needed to maintain and repair this machine. Compatible All windows and mac systems The Hitachi EX120 Workshop Manual is an essential resource for technicians, mechanics, and owners responsible for the maintenance and repair of Hitachi EX120 excavators. This manual is printable and can be downloaded instantly for use on any device. Total Number of pages 1-465. I'm lost. Hitachi EX120-3 Excavator Service Repair Manual. Also does anyone know how to short the dr ex plug to access codes thanks Jan 6, 2025 · 1 Hitachi EX120-5 Excavator: A Comprehensive Overview. It contains detailed illustrations and step by step instructions with the necessary diagrams or pictures for a complete repair job. +1 888 575 8551 Customer Support This is the official Hitachi EX120-5 Technical manual PDF download. In-depth Service Procedures: Step-by-step guidance for routine maintenance, troubleshooting, and complex repairs. It works fine, then appernetly loses pressure and won't operate, some times for several ninutes. Hitachi EX120-3 Excavator Parts Manual With This Parts Manuals The Technician can easily find any Part Number and Correct Part encountered in the operation of your Hitachi Excavator Models of : EX120-3 Customer: We have a 1996 Hitachi EX120 Excavator with intermittent hydraulic problems. Download Hitachi EX120-3 Jul 24, 2023 · HITACHI EX120-2 EXCAVATOR SERVICE REPAIR MANUAL. 2 KB this manual offers full information you need for repair your machine. that would make troubleshooting a whole lot easier. Kind of tough to do that with a paper manual. Aug 28, 2023 · Hello all I have read a lot of old posts about this but still need some help. Mar 29, 2020 · Hitachi 120-2 Fuel Problems. Hitachi EX120 Jan 6, 2025 · Problems and Recommendations for the Hitachi EX120-3 Excavator While the Hitachi EX120-3 excavator is a reliable piece of machinery, like any heavy equipment, it is not without its issues. I ordered a new aftermarket stepping motor from Mottrol and installed it today. Download link will be provided after purchase. Joined Mar 29, 2020 Messages 4 Location Ireland. It allows users to identify the correct replacement parts and contains information to assist with repairs and maintenance of this excavator model. Original factory dealership manuals for HITACHI EXCAVATORS EX120-5 by DIY Repair Manuals. Looks like simple Aug 22, 2018 · This Hitachi EX120-5 Excavator service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Hitachi EX120-2 Workshop Repair Manual. PDF (Instant Download) Language: English Pages: 451 Bookmarks Searchable Text Wiring Diagrams Hydraulic Diagrams. Hitachi Ex120 Parts System Manuals Collection. The auto idle will operate until the engine warms up Contains detailed illustrations, instructions, and diagrams, step-by-step process for removal and installation, disassembly and assembly, service, inspection, repair, troubleshooting, tuneups. Hitachi EX120-2 Hydraulics. Hitachi Service Manuals: Hitachi EX12-2, EX15-2, EX18-2, EX22-2, EX25-2, EX30-2, EX35-2, EX40-2, EX45-2 Hydraulic Excavator Service Repair Manual Hitachi EX17u Excavator Service Repair Manual Hitachi EX20UR-2, EX30UR-2, EX40UR-2 Excavators Service Repair Manual Hitachi EX27u, EX35u (North America) Excavator Service Repair Manual Hitachi EX40u, EX50u Excavator Service Repair Manual Hitachi Jun 17, 2024 · Downloadable PDF Factory Workshop Manual for Hitachi Excavators, a comprehensive guide with detailed instructions and diagrams for all service and repair needs. When I start the engine with the key switch the engine revs up then dies. using Adobe Acrobat reader. but this does not happen when the levers pull little (for slow movements). Detailed Component Diagrams: Exploded views and part breakdowns for easy identification and assembly. When I un plug the new throttle stepping motor and wire the the manual is sent online to your email. – Information Included inside the Workshop Information: Oct 13, 2016 · Working on Hitachi EX120-2 early model looks like the 490E. That said, the last machine I ran into that had a problem similar to what your saying is happening was a CAT with a bad main pump. Hitachi EX120-5 Hydraulic Excavator Workshop + Troubleshooting + Operational Principle + Ciruit & Harness Manual This Listing includes all of the manuals mentioned below: Hitachi EX120-5 Hydraulic Excavator Workshop Manual Hitachi EX120-5 Hydraulic Excavator Technical Troubleshooting / Operational Principle Manual Hitachi EX120-5 Hydraulic Excavator Circuit Diagram & Harness Manual Jun 18, 2007 · hitachi ex120 problem. 2 Operator Comfort and Efficiency; 1. Hitachi EX120-3 Excavator Service Repair Hitachi EX120-1 Shop Manual 2 - Free download as PDF File (. 00. pdf TM1733 – Hitachi EX110-5 Excavator Repair Technical Manual. Hitachi Ex120-5 Service Repair Manual Circuit Diagram Harness. Thread starter ShaneeOC; Start date Mar 29, 2020; S. Regular Hydraulic System Checks – Ensure hydraulic fluid levels are adequate and check for leaks in hoses and fittings. any help please. hitachi ex50 ex50u ex50ur ex50ura ex50urg ex55ur hitachi ex60 ex60 ex60-1 ex60-2 ex60-3 ex60-5 ex60urg hitachi ex75 ex75 ex75ur ex75us hitachi ex80 ex80-5 ex80u ex90-1 hitachi ex100 ex100 ex100-1 ex100-2 ex100-3 ex100-5 ex100-5e ex100m-5 ex100wd ex100wd-1 ex110 hitachi ex120 ex120 ex120 lc-2 ex120 lc-5 ex120-1 ex120-2 ex120-2a ex120-3 ex120-5 This is the official Hitachi EX120-5 Workshop manual PDF download. This Hitachi EX120-5 Excavator service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Questions and answers! 2 posts • Page 1 of 1. 55 m3 bucket capacity, 63 kW engine, 2,500 mm width, and 37 kPa ground pressure. Here are the symptoms: Fire the machine up first thing in the morning, it will function fine for 30-40 minutes then all of sudden the hydraulics come to a crawl. Aug 22, 2023 · I purchased a 1992 Hitachi EX120-2 and am having overheating problem after about an hour of working, I believe it is hydraulic related because I have replaced everything on the water side. It consists of two main portions: the Technical Manual (Troubleshooting) and the Workshop Manual. Aug 7, 2022 · – Info Included within the Workshop Guide: Hitachi EX120-3 Excavator Workshop Service Repair Manual. What happened there was the surface the swash plate rides on had become worn and uneven. but the brass fitting i put on Sep 3, 2007 · hello i broke a line going to to pilot shut off valve. This Service Repair Manual offers all the service and repair information for Hitachi EX120-5 Excavator. It provides links to download PDF manuals covering models like the EX200, EX120, ZW310, Zaxis 850, and ZX50. This technical manual provides specifications for an EX120-5 hydraulic excavator including an operating weight of 11,800 kg, dimensions, ground clearance, engine details, and more. 265. Package Include Hitachi EX120-5 Electrical & Hydraulic Diagrams Technical & Workshop Repair Manual Hitachi EX120 Excavators. TT155E02 - Hitachi EX120-5 Excavator Technical Manual (Troubleshooting). TECHNICAL MANUAL CONTENTS: SECTION 1 – SPECIFICATION Group 1 Regular Knowledge Group 2 Dimensions and Weights Jul 7, 2009 · hey my ex120-2 is having same problem,dont really know where to start,i have installed a new rebuilt pump,that I bought ,the angle senser they sent on pump someone cut wires to short where it couldn't be used,so I took mine off my old pump, it like it just keeps stalling out under preasure,I turn angle senser one way and it has some function but under load in stalls out,turn it other way anf Product Code HTE 0231 [ After payment, this Code helps to receive correct download password to your Account Dashboard]. Designed for sustainability Hitachi’s latest energy optimising features provide a sustainable solution for the mining industry. Pressing any of the buttons does nothing. The manual consists of sections covering specifications, components, and troubleshooting information Factory Original Hitachi Ex Series model Ex120-2 Excavators Shop Service Repair Manual by DIY Repair Manuals ↓ Skip to Main Content Click to Call 1. i replaced that with brass fittings that made the same connections but in the filter (original one) had a tiny little screen in the orafice. When I key on, it starts in I and then immediately jumps to P. Had to replace the undercarrage a year or so ago. 1 Performance and Versatility; 1. Manual No. If the air temperature is expected to fall below 0 °C (32 °F), fill the cooling system with an genuine Hitachi Long-Life Coolant (LLC) and soft water mix. This manual is very detailed and contains all the official Hitachi manufacturer specifications, troubleshooting, repair instructions step by step with illustrations and wiring diagrams. Help Please! (Hitachi EX120-2). Factory Workshop Manual and Technical Manual For Hitachi EX120-5 Excavators. rmjvuykrtyybrqvpywpfbkclaemadntqprarbwaipefdfvjtmaa