Hyundai Robex 160LC-9 User manual

Robex 160LC-9, 180LC-9
CRAWLER EXCAVATOR
SERVICE MANUAL

TABLE OF CONTENT
FOREWORD 8
1. Structure 8
2. How To Read The Service Manual 9
3. Conversion Table 10
SECTION 1 GENERAL 16
Group 1 Safety 17
Group 2 Specifications (r160lc-9) 26
1. Major Component 26
2. Specifications 27
3. Working Range 30
4. Weight 32
5. Lifting Capacities 33
6. Bucket Selection Guide 37
7. Undercarriage 38
8. Specifications For Major Components 40
9. Recommended Oils 43
Group 3 Specifications (r180lc-9) 44
1. Major Component 44
2. Specifications 45
3. Working Range 49
4. Weight 51
5. Lifting Capacities 52
6. Bucket Selection Guide 55
7. Undercarriage 56
8. Specifications For Major Components 58
9. Recommended Oils 61
SECTION 2 STRUCTURE AND FUNCTION 62
Group 1 Pump Device 63
1. Structure 63
2. Function 68
Group 2 Main Control Valve 81
1. Structure 81
2. Hydraulic Circuit 83
3. Function 84
Group 3 Swing Device 108
1. Structure 108
2. Principle Of Driving 111
Group 4 Travel Device 119
1. Structure 119
2. Principle Of Driving 121
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Group 5 Rcv Lever 127
1. Structure 127
2. Functions 130
Group 6 Rcv Pedal 134
1. Structure 134
2. Function 136
SECTION 3 HYDRAULIC SYSTEM 140
Group 1 Hydraulic Circuit 141
Group 2 Main Circuit 142
1. Suction And Delivery Circuit 142
2. Return Circuit 143
3. Drain Circuit 144
Group 3 Pilot Circuit 145
1. Suction, Delivery And Return Circuit 146
2. Safety Solenoid Valve (safety Lever) 147
3. Boom Priority System 148
4. Travel Speed Control System 149
5. Main Relief Pressure Change System 150
6. Arm Regeneration Cut System 151
7. Swing Parking Brake Release 152
Group 4 Single Operation 153
1. Boom Up Operation 153
2. Boom Down Operation 154
3. Arm In Operation 155
4. Arm Out Operation 156
5. Bucket In Operation 157
6. Bucket Out Operation 158
7. Dozer Up Operation 159
8. Dozer Down Operation 160
9. Swing Operation 161
8. Travel Forward And Reverse Operation 163
Group 5 Combined Operation 165
1. Outline 165
2. Combined Swing And Boom Up Operation 166
3. Combined Swing And Arm Operation 167
4. Combined Swing And Bucket Operation 168
5. Combined Swing And Travel Operation 169
6. Combined Boom And Travel Operation 170
7. Combined Arm And Travel Operation 171
8. Combined Bucket And Travel Operation 172
SECTION 4 ELECTRICAL SYSTEM 173
Group 1 Component Location 174
1. Location 1 174
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2. Location 2 175
Memorandum 178
1. Power Circuit 179
2. Starting Circuit 181
3. Charging Circuit 183
4. Head And Work Light Circuit 185
5. Beacon Lamp And Cab Light Circuit 187
6. Wiper And Washer Circuit 189
Group 3 Electrical Component Specification 194
Group 4 Connectors 202
1. Connector Destination 202
2. Connection Table For Connectors 206
SECTION 5 MECHATRONICS SYSTEM 225
Group 1 Outline 226
Group 2 Mode Selection System 228
1. Power Mode Selection System 228
2. Work Mode Selection System 229
3. User Mode Selection System 230
Group 3 Automatic Deceleration System 231
1. When Auto Idle Pilot Lamp On 2. When Auto Idle Pilot Lamp Off 231
Group 4 Power Boost System 232
Group 5 Travel Speed Control System 233
Group 6 Automatic Warming Up System 234
Group 7 Engine Overheat Prevention System 235
Group 8 Variable Power Control System 236
Group 9 Attachment Flow Control System 237
Group 10 Anti-restart System 238
1. Anti-restart Function 238
Group 11 Self-diagnostic System 239
3. Machine Error Codes Table 240
4. Engine Fault Code 243
Group 12 Engine Control System 245
1. Mcu And Engine Ecm (electronic Control Module) 245
2. Mcu Assembly 245
Group 13 Eppr Valve 246
1. Pump Eppr Valve 246
2. Boom Priority Eppr Valve 249
Group 14 Monitoring System 251
1. Outline 251
2. Cluster 251
3. Cluster Connector 253
Group 15 Fuel Warmer System 274
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1. Specification 274
2. Operation 274
3. Electric Circuit 274
SECTION 6 TROUBLESHOOTING 275
Group 1 Before Troubleshooting 276
1. Introduction 276
2. Diagnosing Procedure 277
Group 2 Hydraulic And Mechanical System 279
1. Introduction 279
2. Drive System 280
3. Hydraulic System 282
4. Swing System 284
5. Travel System 288
6. Attachment System 293
Group 3 Electrical System 299
1. When Starting Switch Is Turned On, Monitor Panel Display Does Not Appear
299
3. Battery Charging Warning Lamp Lights Up(starting Switch : On) 301
Group 4 Mechatronics Systegroup System 315
1. All Actuators Speed Are Slow 315
2. Engine Stall 317
3. Malfunction Of Cluster Or Mode Selection System 319
4. Malfunction Of Accel Dial 320
5. Auto Decel System Does Not Work 322
6. Malfunction Of Pump 1 Pressure Sensor 324
7. Malfunction Of Pump 2 Pressure Sensor 326
8. Malfunction Of Pump 3 Pressure Sensor 328
9. Malfunction Of Negative 1 Pressure Sensor 330
10. Malfunction Of Negative 2 Pressure Sensor 332
11. Malfunction Of Swing Pressure Sensor 334
12. Malfunction Of Arm In/out & Bucket In Pressure Sensor 336
13. Malfunction Of Boom Up Pressure Sensor 338
14. Malfunction Of Power Max 340
15. Malfunction Of Boom Priority Eppr Valve 342
16. Malfunction Of Arm Regeneration Solenoid 343
SECTION 7 MAINTENANCE STANDARD 345
Group 1 Operational Performance Test 346
1. Purpose 346
2. Terminology 347
3. Operation For Performance Tests 348
Group 2 Major Component 366
1. Main Pump 366
2. Main Control Valve 367
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