Hitachi ZX400R-3 ZX400LCH-3 Hydraulic Excavator Technical Operational Principle Manual (TO1JK-E-00)
File Details:
Hitachi ZX400R-3 ZX400LCH-3 Hydraulic Excavator Technical Operational Principle Manual (TO1JK-E-00)
- Manual Language:English
- Pages: 353
- Size: 8.26 MB
- Format:PDF
- Downloadable:Yes
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Description:
Hitachi ZX400R-3 ZX400LCH-3 Hydraulic Excavator Technical Operational Principle Manual (TO1JK-E-00)
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 and the Workshop 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.
Table Of Contents:
Hitachi ZX400R-3 ZX400LCH-3 Hydraulic Excavator Technical Operational Principle Manual (TO1JK-E-00)
TO1JK-E-00................................................................................................................................................................ 1 INTRODUCTION.............................................................................................................................................................. 3 SECTION AND GROUP CONTENTS................................................................................................................................................ 5 SECTION 1 GENERAL......................................................................................................................................................... 6 Group 1 Specifications................................................................................................................................................ 8 Specifications.................................................................................................................................................... 8 Working Ranges.................................................................................................................................................... 9 Shoe Types and Applications....................................................................................................................................... 10 Bucket Types and Applications..................................................................................................................................... 11 Group 2 Component Layout.............................................................................................................................................. 12 Main Components................................................................................................................................................... 12 Electrical System (Overview)...................................................................................................................................... 13 Electrical System (In Cab)........................................................................................................................................ 15 Electrical System (Rear Tray)..................................................................................................................................... 16 Electrical System (Switch Panel).................................................................................................................................. 17 Electrical System (Utility Space)................................................................................................................................. 18 Electrical System (Relays)........................................................................................................................................ 18 Engine............................................................................................................................................................ 19 Pump Device....................................................................................................................................................... 20 Swing Device...................................................................................................................................................... 20 Control Valve..................................................................................................................................................... 21 Signal Control Valve.............................................................................................................................................. 21 Solenoid Valve Unit............................................................................................................................................... 22 Travel Device..................................................................................................................................................... 22 Group 3 Component Specifications...................................................................................................................................... 24 Engine............................................................................................................................................................ 24 Engine Accessories................................................................................................................................................ 27 Hydraulic Component............................................................................................................................................... 28 Electrical Component.............................................................................................................................................. 33 SECTION 2 SYSTEM.......................................................................................................................................................... 36 Group 1 Controller.................................................................................................................................................... 38 Outline........................................................................................................................................................... 38 Can (Network Provided for Machine)................................................................................................................................ 39 MC: Main Controller............................................................................................................................................... 41 ECM: Engine Control Module........................................................................................................................................ 57 ICF: Information Controller....................................................................................................................................... 59 Monotor Unit...................................................................................................................................................... 62 Group 2 Control System................................................................................................................................................ 72 Outline........................................................................................................................................................... 72 Engine Control.................................................................................................................................................... 75 Pump Control...................................................................................................................................................... 97 Valve Control.....................................................................................................................................................111 Other Controls....................................................................................................................................................131 Group 3 ECM System....................................................................................................................................................136 Outline...........................................................................................................................................................136 Fuel Injection Control............................................................................................................................................137 Engine Start Control..............................................................................................................................................145 EGR (Exhaust Gas Recirculation) Control...........................................................................................................................147 Fuel Injection Amount Correction..................................................................................................................................149 Fuel Filter Restriction Indicator Control.........................................................................................................................150 Engine Stop Control...............................................................................................................................................151 Group 4 Hydraulic System..............................................................................................................................................154 Outline...........................................................................................................................................................154 Pilot Circuit.....................................................................................................................................................155 Main Circuit......................................................................................................................................................165 Boom Lower Meter-In Cut Control...................................................................................................................................175 Group 5 Electrical System.............................................................................................................................................180 Outline...........................................................................................................................................................180 Main Circuit......................................................................................................................................................181 Electric Power Circuit (Key Switch: OFF)..........................................................................................................................183 Accessory Circuit.................................................................................................................................................185 Starting Circuit (Key Switch: START)..............................................................................................................................187 Charging Circuit (Key Switch: ON).................................................................................................................................189 Serge Voltage Prevention Circuit..................................................................................................................................193 Pilot Shut-Off Circuit (Key Switch: ON)...........................................................................................................................195 Security Lock Circuit.............................................................................................................................................197 Engine Stop Circuit (Key Switch: OFF).............................................................................................................................199 Security Horn Circuit.............................................................................................................................................201 Working Light Circuit.............................................................................................................................................203 Wiper Circuit.....................................................................................................................................................205 SECTION 3 COMPONENT OPERATION.............................................................................................................................................210 Group 1 Pump Device...................................................................................................................................................212 Outline...........................................................................................................................................................212 Main Pump 1, 2....................................................................................................................................................213 Regulator.........................................................................................................................................................217 Pilot Pump........................................................................................................................................................233 Pump Delivery Pressure Sensor.....................................................................................................................................233 Group 2 Swing Device..................................................................................................................................................234 Outline...........................................................................................................................................................234 Swing Reduction Gear..............................................................................................................................................235 Swing Motor.......................................................................................................................................................236 Swing Parking Brake...............................................................................................................................................237 Valve Unit........................................................................................................................................................239 Swing Dampener Valve..............................................................................................................................................242 Group 3 Control Valve.................................................................................................................................................252 Outline...........................................................................................................................................................252 Hydraulic Circuit.................................................................................................................................................267 Flow Combiner Valve...............................................................................................................................................273 Main Relief Valve.................................................................................................................................................275 Overload Relief Valve.............................................................................................................................................277 Regenerative Valve................................................................................................................................................279 Anti-Drift Valve..................................................................................................................................................283 Flow Rate Control Valve...........................................................................................................................................285 Digging Regenerative Valve........................................................................................................................................287 Boom Lower Meter-In Cut Valve.....................................................................................................................................289 Bypass Shut-Out Valve.............................................................................................................................................291 Group 4 Pilot Valve...................................................................................................................................................292 Outline...........................................................................................................................................................292 Operation.........................................................................................................................................................295 Shockless Function(Only for Travel Pilot Valve)...................................................................................................................303 Group 5 Travel Device.................................................................................................................................................304 Outline...........................................................................................................................................................304 Travel Reduction Gear.............................................................................................................................................305 Travel Motor......................................................................................................................................................306 Travel Brake Valve................................................................................................................................................308 Parking Brake.....................................................................................................................................................315 Group 6 Signal Control Valve..........................................................................................................................................318 Outline...........................................................................................................................................................318 Pilot Port........................................................................................................................................................319 Shuttle Valve.....................................................................................................................................................323 Shockless Valve...................................................................................................................................................327 Pump 1 and Pump 2 Flow Rate Control Valves........................................................................................................................331 Bucket Flow Rate Control ValveControl Spool, Flow Combiner Valve Control Spool, Swing Parking Brake Release Spool, Arm 1 Flow Rate Control Valve Control Spool....333 Group 7 Others (Upperstructure).......................................................................................................................................334 Pilot Shut-Off Solenoid Valve.....................................................................................................................................334 Solenoid Valve....................................................................................................................................................336 Hose Rupture Valve................................................................................................................................................339 Pilot Relief Valve................................................................................................................................................345 Group 8 Others (Undercarriage)........................................................................................................................................346 Swing Bearing.....................................................................................................................................................346 Center Joint......................................................................................................................................................347 Track Adjuster....................................................................................................................................................348 SERVICE MANUAL REVISION REQUEST FORM......................................................................................................................................352
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.