Hyundai Robex 140LC-9 Bedienungsanleitung

Robex 140LC-9

CRAWLER EXCAVATOR

SERVICE MANUAL

Table of Content

FOREWORD 8

SECTION 1 GENERAL 16

Group 1 Safety 17

Group 2 Specifications 26

1. Major Component 26

2. Specifications 27

3. Working Range 31

4. Weight 35

5. Lifting Capacities 37

6. Bucket Selection Guide 41

7. Undercarriage 47

8. Specifications For Major Components 49

9. Recommended Oils 52

SECTION 2 STRUCTURE AND FUNCTION 53

Group 1 Pump Device 54

1. Structure 54

2. Function 59

Group 2 Main Control Valve 72

1. Structure 72

2. Hydraulic Circuit 74

3. Function 75

Group 3 Swing Device 99

1. Structure 99

2. Principle Of Driving 102

Group 4 Travel Device 111

1. Construction 111

Group 5 Rcv Lever 121

1. Structure 121

2. Functions 124

Group 6 Rcv Pedal 128

1. Structure 128

2. Function 130

SECTION 3 HYDRAULIC SYSTEM 134

Group 1 Hydraulic Circuit 135

Group 2 Main Circuit 136

1. Suction And Delivery Circuit 136

2. Return Circuit 137

3. Drain Circuit 138

Group 3 Pilot Circuit 139

1. Suction, Delivery And Return Circuit 140

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2. Safety Solenoid Valve (safety Lever) 141

3. Boom Priority System 142

4. Travel Speed Control System 143

5. Main Relief Pressure Change System 144

6. Arm Regeneration Cut System 145

7. Swing Parking Brake Release 146

Group 4 Single Operation 147

1. Boom Up Operation 147

2. Boom Down Operation 148

3. Arm In Operation 149

4. Arm Out Operation 150

5. Bucket In Operation 151

6. Bucket Out Operation 152

7. Dozer Up Operation 153

8. Dozer Down Operation 154

9. Swing Operation 155

8. Travel Forward And Reverse Operation 157

Group 5 Combined Operation 159

1. Outline 159

2. Combined Swing And Boom Up Operation 160

3. Combined Swing And Arm Operation 161

4. Combined Swing And Bucket Operation 162

5. Combined Swing And Travel Operation 163

6. Combined Boom And Travel Operation 164

7. Combined Arm And Travel Operation 165

8. Combined Bucket And Travel Operation 166

SECTION 4 ELECTRICAL SYSTEM 167

Group 1 Component Location 168

1. Location 1 168

2. Location 2 169

Memorandum 172

1. Power Circuit 173

2. Starting Circuit 175

3. Charging Circuit 177

4. Head And Work Light Circuit 179

5. Beacon Lamp And Cab Light Circuit 181

6. Wiper And Washer Circuit 183

Group 3 Electrical Component Specification 188

Group 4 Connectors 196

1. Connector Destination 196

2. Connection Table For Connectors 200

SECTION 5 MECHATRONICS SYSTEM 219

Group 1 Outline 220

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Group 2 Mode Selection System 222

1. Power Mode Selection System 222

2. Work Mode Selection System 223

3. User Mode Selection System 224

Group 3 Automatic Deceleration System 225

1. When Auto Idle Pilot Lamp On 2. When Auto Idle Pilot Lamp Off 225

Group 4 Power Boost System 226

Group 5 Travel Speed Control System 227

Group 6 Automatic Warming Up System 228

Group 7 Engine Overheat Prevention System 229

Group 8 Variable Power Control System 230

Group 9 Attachment Flow Control System 231

Group 10 Anti-restart System 232

1. Anti-restart Function 232

Group 11 Self-diagnostic System 233

3. Machine Error Codes Table 234

4. Engine Fault Code 237

Group 12 Engine Control System 239

1. Mcu And Engine Ecm (electronic Control Module) 239

2. Mcu Assembly 239

Group 13 Eppr Valve 240

1. Pump Eppr Valve 240

2. Boom Priority Eppr Valve 243

Group 14 Monitoring System 245

1. Outline 245

2. Cluster 245

3. Cluster Connector 247

Group 15 Fuel Warmer System 268

1. Specification 268

2. Operation 268

3. Electric Circuit 268

SECTION 6 TROUBLESHOOTING 269

Group 1 Before Troubleshooting 270

1. Introduction 270

2. Diagnosing Procedure 271

Group 2 Hydraulic And Mechanical System 273

1. Introduction 273

2. Drive System 274

3. Hydraulic System 276

4. Swing System 278

5. Travel System 282

6. Attachment System 287

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Group 3 Electrical System 293

1. When Starting Switch Is Turned On, Monitor Panel Display Does Not Appear

293

3. Battery Charging Warning Lamp Lights Up(starting Switch : On) 295

~ 295

4. When Coolant Overheat Warning Lamp Lights Up (engine Is Started) 296

5. When Air Cleaner Warning Lamp Lights Up (engine Is Started) 297

6. When Engine Oil Pressure Warning Lamp Lights Up (engine Is Started) 298

7. When Hydraulic Oil Temperature Warning Lamp Lights Up (engine Is Started)

299

8. When Coolant Temperature Gauge Does Not Operate (hcespn 304, Fmi 3 Or 4)

300

9. When Fuel Gauge Does Not Operate(hcespn 301, Fmi 3 Or 4) 301

10. When Safety Solenoid Does Not Operate 302

11. When Travel Speed 1, 2 Does Not Operate (hcespn 167, Fmi 5 Or 6) 303

12. When Engine Does Not Start ( Lights Up Condition) 304

13. When Starting Switch On Does Not Operate 305

14. When Starting Switch Is Turned On, Wiper Motor Does Not Operate 306

15. When Starting Switch Is Turned On, Head Lamp Does Not Lights Up 307

16. When Starting Switch Is Turned On, Work Lamp Does Not Lights Up 308

Group 4 Mechatronics Systegroup System 309

1. All Actuators Speed Are Slow 309

2. Engine Stall 311

3. Malfunction Of Cluster Or Mode Selection System 313

4. Malfunction Of Accel Dial 314

5. Auto Decel System Does Not Work 316

6. Malfunction Of Pump 1 Pressure Sensor 318

7. Malfunction Of Pump 2 Pressure Sensor 320

8. Malfunction Of Pump 3 Pressure Sensor 322

9. Malfunction Of Negative 1 Pressure Sensor 324

10. Malfunction Of Negative 2 Pressure Sensor 326

11. Malfunction Of Swing Pressure Sensor 328

12. Malfunction Of Arm In/out & Bucket In Pressure Sensor 330

13. Malfunction Of Boom Up Pressure Sensor 332

14. Malfunction Of Power Max 334

15. Malfunction Of Boom Priority Eppr Valve 336

16. Malfunction Of Arm Regeneration Solenoid 337

SECTION 7 MAINTENANCE STANDARD 339

Group 1 Operational Performance Test 340

1. Purpose 340

2. Terminology 341

3. Operation For Performance Tests 342

Group 2 Major Component 360

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1. Main Pump 360

2. Main Control Valve 361

3. Swing Device 362

4. Travel Motor 363

5. Rcv Lever 364

6. Rcv Pedal 365

7. Turning Joint 366

8. Cylinder 367

Group 3 Track And Work Equipment 368

1. Track 368

2. Work Equipment 373

SECTION 8 DISASSEMBLY AND ASSEMBLY 374

Group 1 Precautions 375

1. Removal Work 375

2. Install Work 376

3. Completing Work 377

Group 2 Tightening Torque 378

1. Major Components 378

2. Torque Chart 379

Group 3 Pump Device 381

1. Removal And Install 381

2. Main Pump (1/2) 383

3. Regulator 392

Group 4 Main Control Valve 403

1. Removal And Install Of Motor 403

2. Structure (1/4) 404

3. Disassembly And Assembly 408

Group 5 Swing Device 417

1. Removal And Install Of Motor 417

2. Disassembly And Assembly Of Swing Motor 418

3. Removal And Install Of Reduction Gear 429

4. Disassembly And Assembly Of Reduction Gear 430

Group 6 Travel Device 438

1. Removal And Install 438

2. Travel Motor 439

3. Disassembly 443

4. Reassembly 455

Group 7 Rcv Lever 466

1. Removal And Install 466

2. Disassembly And Assembly 467

Group 8 Turning Joint 480

1. Removal And Install 480

2. Disassembly And Assembly 481

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Group 9 Boom, Arm And Bucket Cylinders 485

1. Removal And Install 485

2. Disassembly And Assembly 491

Group 10 Undercarriage 503

1. Track Link 503

2. Carrier Roller 504

3. Track Roller 505

4. Idler And Recoil Spring 506

Group 11 Work Equipment 515

1. Structure 515

2. Removal And Install 516

SECTION 9 COMPONENT MOUNTING TORQUE 519

Group 1 Introduction Guide 520

Group 2 Engine System 521

1. Engine And Accessories Mounting 521

2. Cooling System And Fuel Tank Mounting 522

Group 3 Electric System 523

1. Electric Components Mounting 1 523

2. Electric Components Mounting 2 524

Group 4 Hydraulic System 525

1. Hydraulic Components Mounting 1 525

2. Hydraulic Components Mounting 2 526

3. Hydraulic Components Mounting 3 527

Group 5 Undercarriage 528

Group 6 Structure 529

1. Cab And Accessories Mounting 529

2. Cab Interior Mounting 530

3. Cowling Mounting 531

4. Counterweight And Covers Mounting 532

Group 7 Work Equipment 533

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