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Hitachi ZX250LC-6 ZX250LCN-6 Hydraulic Excavator Technical Troubleshooting Manual – PDF Download
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- Hitachi ZX250LC-6 ZX250LCN-6 Hydraulic Excavator Technical Troubleshooting Manual
- PART NO:TTDCA-EN-01
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Description
Hitachi ZX250LC-6 ZX250LCN-6 Hydraulic Excavator Technical Troubleshooting Manual
File Details:
Hitachi ZX250LC-6 ZX250LCN-6 Hydraulic Excavator Technical Troubleshooting Manual
- Manual Language:English
- Downloadable:Yes
- Pages: 540
- Size:6.54 MB
- Format:PDF
HITACHI ZX250LC-6 ZX250LCN-6 HYDRAULIC EXCAVATOR TECHNICAL TROUBLESHOOTING MANUAL – PDF DOWNLOAD:
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Description:
Hitachi ZX250LC-6 ZX250LCN-6 Hydraulic Excavator Technical Troubleshooting Manual
- 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-6 ZX250LCN-6 Hydraulic Excavator Technical Troubleshooting Manual
TTDC150-EN-00................................................................................... 1 CONTENTS........................................................................................ 3 INTRODUCTION.................................................................................... 7 SYMBOL AND ABBREVIATION......................................................................... 9 SAFETY.......................................................................................... 11 SECTION AND GROUP CONTENTS...................................................................... 53 SECTION 4 OPERATIONAL PERFORMANCE TEST.......................................................... 55 Group 1 Introduction........................................................................ 57 Operational Performance Tests........................................................... 57 Preparation for Performance Tests....................................................... 58 Group 2 Standard............................................................................ 59 Operational Performance Standard Table.................................................. 59 Main Pump P-Q Diagram (P1, P2).......................................................... 69 Main Pump P-Q Diagram (P3).............................................................. 70 Sensor Activating Range................................................................. 72 MPDr. Monitor Indicating Values......................................................... 74 Group 3 Engine Test......................................................................... 87 Engine Speed............................................................................ 87 Lubricant Consumption................................................................... 90 Group 4 Machine Performance Test............................................................ 91 Travel Speed............................................................................ 91 Track Revolution Speed.................................................................. 92 Mistrack Check.......................................................................... 93 Travel Parking Leakage.................................................................. 94 Swing Speed............................................................................. 95 Swing Function Drift Check.............................................................. 96 Swing Motor Leakage..................................................................... 98 Maximum Swingable Slant Angle...........................................................100 Swing Bearing Play......................................................................102 Hydraulic Cylinder Cycle Time...........................................................104 Dig Function Drift Check................................................................106 Control Lever Operating Force...........................................................109 Control Lever Stroke....................................................................110 Combined Operation of Boom Raise and Swing Function Check...............................111 Combined Operation of Boom Raise and Arm Roll-In Function Check.........................112 Clearance of Front Attachment Connecting Part...........................................113 Group 5 Component Test......................................................................115 Primary Pilot Pressure..................................................................115 Secondary Pilot Pressure................................................................117 5-Spool Solenoid Valve Set Pressure.....................................................118 2-Spool Solenoid Valve (Aftertreatment Device Regeneration Control) Set Pressure........119 Main Pump Delivery Pressure.............................................................121 Main Relief Set Pressure................................................................122 Relief Pressure (when relieving swing)..................................................126 Overload Relief Valve Set Pressure......................................................128 Main Pump Flow Rate Measurement.........................................................130 Swing Motor Drainage....................................................................140 Travel Motor Drainage...................................................................142 Group 6 Adjustment..........................................................................145 Rewrite of Aftertreatment Device Serial No..............................................145 How to Clear Fault Code.................................................................146 Procedure after Replacing DCU and ECM...................................................147 Air Bleeding from the Diesel Exhaust Fluid Defrosting Piping............................148 How to Check Manual Regeneration Switch.................................................149 Remedy at DEF Pressure Decrease.........................................................150 Remedy at DEF Abnormal Quality..........................................................152 Clean DEF Tank..........................................................................154 Remedy when Mixing Oil in DEF Tank......................................................155 SECTION 5 TROUBLESHOOTING.......................................................................159 Group 1 Diagnosing Procedure................................................................161 Introduction............................................................................161 Diagnosis Procedure.....................................................................162 Electrical System Inspection............................................................165 Precautions for Inspection and Maintenance..............................................166 Instructions for Disconnecting Connectors...............................................168 Fuse Inspection.........................................................................170 Fusible Link Inspection.................................................................173 Battery Voltage Check...................................................................174 Alternator Check........................................................................175 Continuity Check........................................................................176 Voltage and Current Measurement.........................................................178 Check by False Signal...................................................................185 Test Wire Harness.......................................................................186 Group 2 Monitor.............................................................................189 Outline.................................................................................189 Operating Procedures of Service Menu....................................................190 Setting Menu............................................................................231 Inspection of Engine Oil Level, Coolant Level, Hour Meter, and Fuel Gauge...............236 Fuel Gauge, Coolant Temperature Gauge, DEF/AdBlue Gauge.................................237 Group 3 e-Service...........................................................................239 Outline.................................................................................239 List of Operation Data..................................................................240 Communication System....................................................................242 Group 4 Component Layout....................................................................243 Main Component..........................................................................243 Electrical System (Overview)............................................................245 Electrical System (Rear Tray)...........................................................246 Electrical System (Switch Panel)........................................................247 Electrical System (Utility Space).......................................................248 Electrical System (Relays)..............................................................249 Engine..................................................................................250 Aftertreatment Device...................................................................251 Pump Device.............................................................................252 Around Pump Device......................................................................253 Control Valve...........................................................................254 Signal Control Valve....................................................................254 Swing Device............................................................................256 Travel Device...........................................................................256 5-Spool Solenoid Valve Unit.............................................................257 2-Spool Solenoid Valve Unit (Aftertreatment Device Regeneration Control)................257 DEF Tank................................................................................258 DEF Supply Module.......................................................................258 Layout of Attachment Spec. Parts........................................................260 Components in Control Valve.............................................................266 Pilot Port..............................................................................288 Group 5 Troubleshooting A...................................................................293 Troubleshooting A (Base Machine Diagnosis By Using Fault Codes) Procedure...............293 MC Fault Code List......................................................................295 ECM Fault Code List.....................................................................316 DCU Fault Code List.....................................................................330 Monitor Controller (Monitor) Fault Code List............................................337 Monitor Controller (Information) Fault Code List........................................338 Air Conditioner Controller Fault Code List..............................................341 Communication Terminal Fault Code List..................................................342 MC Fault Codes 11000 to 11002...........................................................343 MC Fault Code 11003.....................................................................344 MC Fault Codes 11006, 11007,11009.......................................................347 Monitor Controller (Monitor) Fault Codes 13002, 13003, 13005............................347 CAN0 Harness Check......................................................................348 ISO-CAN (Engine) Harness Check..........................................................352 MC Fault Codes 11008, 11010.............................................................355 Monitor Controller (Monitor) Fault Codes 13004, 13006, 13007............................355 CAN1 Harness Check......................................................................356 MC Fault Code 11100.....................................................................359 MC Fault Code 11101.....................................................................360 MC Fault Codes 11200 to 11202...........................................................361 MC Fault Code 11203.....................................................................362 MC Fault Codes 11206 to 11208...........................................................363 MC Fault Codes 11301 to 11303...........................................................364 MC Fault Codes 11304, 11307, 11325......................................................365 MC Fault Codes 11995, 11997.............................................................366 MC Fault Code 11400.....................................................................367 MC Fault Code 11401.....................................................................368 MC Fault Code 11402.....................................................................369 MC Fault Code 11403.....................................................................370 MC Fault Code 11406.....................................................................371 MC Fault Code 11407.....................................................................372 MC Fault Code 11408.....................................................................373 MC Fault Code 11409.....................................................................374 MC Fault Code 11410.....................................................................375 MC Fault Code 11411.....................................................................376 MC Fault Codes 11434, 11435.............................................................377 MC Fault Code 11436.....................................................................378 MC Fault Codes 11458, 11459.............................................................379 MC Fault Code 11427.....................................................................380 MC Fault Code 11428.....................................................................381 MC Fault Code 11901.....................................................................382 MC Fault Codes 20010 to 20012...........................................................383 Monitor Controller (Information) Fault Codes 13304, 13310...............................384 Monitor Controller (Information) Fault Code 13311.......................................385 Monitor Controller (Information) Fault Codes 20100 to 20114.............................386 Monitor Controller (Information) Fault Codes 20109 to 20149.............................387 Air Conditioner Controller Fault Codes 11 to 22.........................................388 Air Conditioner Controller Fault Codes 43 to 92.........................................389 Group 6 Troubleshooting B...................................................................391 Troubleshooting B (Machine Diagnosis by Using Trouble Symptom) Procedure................391 Relationship between Machine Trouble Symptoms and Related Parts.........................393 Correlation between Trouble Symptoms and Part Failures..................................420 Engine System Troubleshooting...........................................................440 All Actuator System Troubleshooting.....................................................450 Front Attachment System Troubleshooting.................................................458 Swing System Troubleshooting............................................................474 Travel System Troubleshooting...........................................................476 Other System Troubleshooting............................................................482 Exchange Inspection.....................................................................487 How to Lowering Boom When Emergency and When Engine Stops without Hose Rupture Valve....490 How to Lowering Boom When Emergency and When Engine Stops with Hose Rupture Valve.......491 Attachment Circuit Pressure Release Procedure...........................................492 Group 7 Air Conditioner.....................................................................493 Outline.................................................................................493 Functions of Main Parts.................................................................496 Troubleshooting.........................................................................501 Air Conditioner Controller Fault Code List..............................................502 Air Conditioner Controller Fault Codes 11 to 22.........................................503 Air Conditioner Controller Fault Codes 43 to 92.........................................504 Work after Replacing Components.........................................................526 Refill Compressor Oil...................................................................527 Charge Air Conditioner with Refrigerant.................................................528 Hose and Pipe Tightening Torque.........................................................536 SERVICE MANUAL REVISION REQUEST FORM............................................................539 The Attached Diagram List.......................................................................540
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.
