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Hitachi ZX250LC-5B ZX250LCN-5B Hydraulic Excavator Troubleshooting Technical Manual (TTDCA-EN-01) – PDF Download
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- Hitachi ZX250LC-5B ZX250LCN-5B Hydraulic Excavator Troubleshooting Technical Manual
- Part No:TTDCA-EN-01
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Description
Hitachi ZX250LC-5B ZX250LCN-5B Hydraulic Excavator Troubleshooting Technical Manual (TTDCA-EN-01)
File Details:
Hitachi ZX250LC-5B ZX250LCN-5B Hydraulic Excavator Troubleshooting Technical Manual (TTDCA-EN-01)
- Manual Language:English
- Downloadable:Yes
- Pages: 504
- Size: 4.83 MB
- Format:PDF
HITACHI ZX250LC-5B ZX250LCN-5B HYDRAULIC EXCAVATOR TROUBLESHOOTING TECHNICAL MANUAL (TTDCA-EN-01) – PDF DOWNLOAD:
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Description:
Hitachi ZX250LC-5B ZX250LCN-5B Hydraulic Excavator Troubleshooting Technical Manual (TTDCA-EN-01)
- To The Reader
This manual is written for an experienced technician to provide technical information needed to maintain and repair this machine.
Be sure to thoroughly read this manual for correct product information and service procedures
If you have any questions or comments, at if you found any errors regarding the contents of this manual, please contact using “Service Manual Revision Request Form” at the end of this manual. - 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 Manual and the Engine Manual.
Information included in the Technical Manual: Technical information needed for redelivery and delivery, operation and activation of all devices and systems, operational performance tests, and troubleshooting procedures.
Information included in the Workshop Manual: Technical information needed for maintenance and repair of the machine, tools and devices needed for maintenance and repair, maintenance standards, and removal / installation and assemble / disassemble procedures.
Information included in the Engine Manual: Technical information needed for redelivery and delivery and maintenance and repair of the machine, operation and activation of all devices and systems, troubleshooting and assemble / disassemble procedures.
Table of Contents:
Hitachi ZX250LC-5B ZX250LCN-5B Hydraulic Excavator Troubleshooting Technical Manual (TTDCA-EN-01)
TTDCA-EN-01 ................................................................................................ 1 INTRODUCTION............................................................................................ 3 SYMBOL AND ABBREVIATION................................................................................. 5 SAFETY.................................................................................................. 7 SECTION AND GROUP CONTENTS.............................................................................. 47 SECTION 4 OPERATIONAL PERFORMANCE TEST.................................................................. 49 Group 1 Introduction................................................................................ 51 Operational Performance Tests................................................................... 51 Preparation for Performance Tests............................................................... 52 Group 2 Standard.................................................................................... 53 Operational Performance Standard Table.......................................................... 53 Main Pump P-Q Diagram (P1, P2).................................................................. 62 Main Pump P-Q Diagram (P3)...................................................................... 63 Sensor Activating Range......................................................................... 65 MPDr. Monitor Indicating Values................................................................. 66 Group 3 Engine Test................................................................................. 79 Engine Speed.................................................................................... 79 Lubricant Consumption........................................................................... 82 Group 4 Machine Performance Test.................................................................... 83 Travel Speed.................................................................................... 83 Track Revolution Speed.......................................................................... 84 Mistrack Check.................................................................................. 85 Travel Parking Leakage.......................................................................... 86 Swing Speed..................................................................................... 87 Swing Function Drift Check...................................................................... 88 Swing Motor Leakage............................................................................. 90 Maximum Swingable Slant Angle................................................................... 92 Swing Bearing Play.............................................................................. 94 Hydraulic Cylinder Cycle Time................................................................... 96 Dig Function Drift Check........................................................................ 98 Control Lever Operating Force...................................................................101 Control Lever Stroke............................................................................102 Combined Operation of Boom Raise / Swing Function Check.........................................103 Combined Operation of Boom Raise / Arm Roll-In Function Check...................................104 Clearance of Front Attachment Connecting Part...................................................105 Group 5 Component Test..............................................................................107 Primary Pilot Pressure..........................................................................107 Secondary Pilot Pressure........................................................................109 5-Spool Solenoid Valve Set Pressure.............................................................110 2-Spool Solenoid Valve (Muffler Filter Regeneration Control) Set Pressure.......................111 Main Pump Delivery Pressure.....................................................................113 Main Relief Set Pressure........................................................................114 Relief pressure (when relieving swing)..........................................................118 Overload Relief Valve Set Pressure..............................................................120 Main Pump Flow Rate Measurement.................................................................122 Swing Motor Drainage............................................................................132 Travel Motor Drainage...........................................................................134 Group 6 Adjustment..................................................................................137 Measuring Method of No-Load-Max Differential Pressure...........................................137 Muffler Filter Differential Pressure Sensor Learning............................................139 Rewrite of Muffler Filter Serial No.............................................................140 Maintenance of Muffler Filter...................................................................141 SECTION 5 TROUBLESHOOTING...............................................................................145 Group 1 Diagnosing Procedure........................................................................147 Introduction....................................................................................147 Diagnosis Procedure.............................................................................148 Electric System Inspection......................................................................151 Precautions for Inspection and Maintenance......................................................152 Instructions for Disconnecting Connectors.......................................................154 Fuse Inspection.................................................................................156 Fusible Link Inspection.........................................................................158 Battery Voltage Check...........................................................................159 Alternator Check................................................................................160 Continuity Check................................................................................161 Voltage and Current Measurement.................................................................162 Check by False Signal...........................................................................169 Test Harness....................................................................................170 Group 2 Monitor.....................................................................................173 Outline.........................................................................................173 Operating Procedures of Service Menu............................................................174 Setting Menu....................................................................................210 Inspection of Engine Oil Level, Hour Meter and Fuel Gauge.......................................215 Fuel Gauge and Coolant Temperature Gauge........................................................216 Group 3 e-Service...................................................................................217 Outline.........................................................................................217 List of Operation Data..........................................................................218 Snapshot Data...................................................................................222 Communication System............................................................................223 Group 4 Component Layout............................................................................225 Main Component..................................................................................225 Electrical System (Overview)....................................................................227 Electrical System (Rear Tray)...................................................................228 Electrical System (Switch Panel)................................................................229 Electrical System (Around Air Cleaner)..........................................................230 Electrical System (Relays)......................................................................231 Engine..........................................................................................232 Muffler Filter..................................................................................233 Pump Device.....................................................................................234 Around Pump Device..............................................................................235 Control Valve...................................................................................236 Signal Control Valve............................................................................236 Swing Device....................................................................................238 Travel Device...................................................................................238 5-Spool Solenoid Valve Unit.....................................................................239 2-Spool Solenoid Valve Unit (for Muffler Filter Regeneration Control)...........................239 Components in Control Valve.....................................................................240 Pilot Port......................................................................................262 Group 5 Troubleshooting A...........................................................................267 Troubleshooting A (Base Machine Diagnosis By Using Fault Codes) Procedure.......................267 MC Fault Code List..............................................................................269 ECM Fault Code List.............................................................................290 Monitor Controller (Monitor) Fault Code List....................................................314 Monitor Controller (Information) Fault CodeList.................................................315 Air Conditioner Controller Fault Code List......................................................318 Communication Terminal Fault Code List..........................................................319 MC Fault Codes 11000 to 11002...................................................................320 MC Fault Code 11003.............................................................................321 MC Fault Codes 11006, 11007,11009Monitor Controller (Monitor) Fault Codes13002, 13003, 13005....324 CAN0 Harness Check..............................................................................325 CAN0 (Engine) Harness Check.....................................................................329 MC Fault Codes 11008, 11010Monitor Controller (Monitor) Fault Codes13004, 13006, 13007..........332 CAN1 Harness Check..............................................................................333 MC Fault Code 11100.............................................................................336 MC Fault Code 11101.............................................................................337 MC Fault Codes 11200, 11202, 11203..............................................................338 MC Fault Codes 11206 to 11208...................................................................339 MC Fault Codes 11301 to 11303...................................................................340 MC Fault Codes 11304, 11307, 11325..............................................................341 MC Fault Code 11400.............................................................................342 MC Fault Code 11401.............................................................................343 MC Fault Code 11402.............................................................................344 MC Fault Code 11403.............................................................................345 MC Fault Code 11406.............................................................................346 MC Fault Code 11407.............................................................................347 MC Fault Code 11408.............................................................................348 MC Fault Code 11409.............................................................................349 MC Fault Codes 11434, 11435.....................................................................350 MC Fault Code 11436.............................................................................351 MC Fault Codes 11458, 11459.....................................................................352 MC Fault Code 11427.............................................................................353 MC Fault Code 11428.............................................................................354 MC Fault Code 11901.............................................................................355 MC Fault Codes 20010, 20011.....................................................................356 Monitor Controller (Information) Fault Codes 13304, 13310.......................................357 Monitor Controller (Information) Fault Code 13311...............................................358 Air Conditioner Controller Fault Codes 11 to22..................................................359 Air Conditioner Controller Fault Codes 43 to92..................................................360 Monitor Controller (Information) Fault Codes 20100 to 20114.....................................361 Monitor Controller (Information) Fault Codes 20109 to 20149.....................................362 Group 6 Troubleshooting B...........................................................................363 Troubleshooting B (Machine Diagnosis by Using Troubleshooting Symptom) Procedure................363 Relationship between Machine Trouble Symptoms and Related Parts.................................365 Correlation between Trouble Symptoms and Part Failures..........................................390 Engine System Troubleshooting...................................................................407 All Actuator System Troubleshooting.............................................................415 Front Attachment System Troubleshooting.........................................................422 Swing System Troubleshooting....................................................................438 Travel System Troubleshooting...................................................................440 Other System Troubleshooting....................................................................446 Exchange Inspection.............................................................................451 How to Lowering Boom in Case of Emergency and When Engine Stops without Hose Rupture Valve......454 How to Lowering Boom in Case of Emergency and When Engine Stops with Hose Rupture Valve.........455 Attachment Circuit Pressure Release Procedure...................................................456 Group 7 Air Conditioner.............................................................................457 Outline.........................................................................................457 Functions of Main Parts.........................................................................460 Troubleshooting.................................................................................465 Air Conditioner Controller Fault Code List......................................................466 Air Conditioner Controller Fault Codes 11 to 22.................................................467 Air Conditioner Controller Fault Codes 43 to 92.................................................468 Work after Replacing Components.................................................................490 Refill Compressor Oil...........................................................................491 Charge Air Conditioner with Refrigerant.........................................................492 Hose and Pipe Tightening Torque.................................................................500 SERVICE MANUAL REVISION REQUEST FORM....................................................................503 The Attached Diagram List...............................................................................504
Please Note:
⦁ This is the SAME manual used by the dealers to troubleshoot any faults in your vehicle. This can be yours in 2 minutes after the payment is made.
⦁ Contact us at [email protected] should you have any queries before your purchase or that you need any other service / repair / parts operators manual.
