Hyundai Robex 220LC-9S, Service Manual

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7. Malfunction Of Pump 2 Pressure Sensor 398
8. Malfunction Of Pump 3 Pressure Sensor 400
9. Malfunction Of Power Max 402
10. Malfunction Of Boom Priority Eppr Valve 404
SECTION 7 MAINTENANCE STANDARD 405
Group 1 Operational Performance Test 406
1. Purpose 406
2. Terminology 407
3. Operation For Performance Tests 408
Group 2 Major Component 427
1. Main Pump 427
2. Main Control Valve 428
3. Swing Device 429
4. Travel Motor 430
5. Rcv Lever 431
6. Rcv Pedal 432
7. Turning Joint 433
8. Cylinder 434
Group 3 Track And Work Equipment 435
1. Track 435
2. Work Equipment 441
SECTION 8 DISASSEMBLY AND ASSEMBLY 442
Group 1 Precautions 443
1. Removal Work 443
2. Install Work 444
3. Completing Work 445
Group 2 Tightening Torque 446
1. Major Components 446
2. Torque Chart 447
Group 3 Pump Device 449
1. Removal And Install 449
2. Main Pump (1/2) 451
3. Regulator (1/2) 461
Group 4 Main Control Valve 472
1. Removal And Install Of Motor 472
2. Structure 473
3. Disassembly And Assembly 478
Group 5 Swing Device (type 1) 493
1. Removal And Install Of Motor 493
2. Disassembly And Assembly Of Swing Motor 494
3. Removal And Install Of Reduction Gear 508
4. Disassembly And Assembly Of Reduction Gear 509
Group 5 Swing Device (type 2, 3) 518
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