Sumitomo SH250-5 SH250-5LR Hydraulic Excavator Service Repair Manual WLSM2105-00W - PDF DOWNLOAD

Page 400

Remote Control Valve Procedures for Assembly and Disassembly of Travel Remote Control Valve When disassembling the valve, read the disassembly procedures thoroughly before following the sequence below. The numbers in the parentheses after the part names indicate codes in page 300 "Attached diagram 1. Remote control valve assembly cross-section diagram".

1. Maintenance Procedures (1) Disassembly procedures [1] Preparations 1) Prepare a sufficiently spacious, solid and stable work platform so that parts will not fall or move during work. 2) Prepare tools and materials.

TE

RN

[3] Disassembly procedure 1) Clean the remote control valve with white kerosene. • Place plugs in each port.

AL

[2] General work precautions 1) Each part has been manufactured with a high degree of precision, so be careful not to let parts bump each other or fall when handling them. 2) If parts are struck or pulled with excessive force during work because they are tight, this may cause burrs or damage which may then cause reductions in performance or oil leaking due to faulty assembly. Perform work carefully and thoroughly. 3) Rust may form on parts due to moisture or debris if the valve is left disassembled or if work is abandoned in the middle of disassembly. If work must be halted, be careful about preventing rust from forming and dust settling on parts.

CO US N F E ID O E F N TS TI M AL GL : F O OR BA T L H

E

IN

2) Use shock plate to secure the remote control valve in a vise. Remove the bellows (501) from the covers (201) and remove the covers by pulling upwards.

4/

3) Use a hexagon wrench on the hexagon socket head locking screws (423) to loosen them. Be careful, as application of Loctite #241 makes the loosening torque high.

4/

283

RSM-13-10-001E 27


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Draining Oil from Hydraulic Oil Tank

1min
pages 592-594

Removal and Installation of Side Door

1min
page 591

Removal and Installation of Wiper Motor

1min
pages 575-578

Return Filter

1min
pages 588-589

Removal and Installation of Cab Front Glass

1min
pages 580-582

Removal and Installation of Wiper Controller

1min
pages 572-574

Removal and Installation of Operator's Seat

1min
pages 569-570

Removal and Installation of Cab Assembly

2min
pages 561-568

Removal and Installation of Boom Light

1min
page 559

Procedures for Operation / Assembly and Disassembly of Hydraulic Cylinder

37min
pages 530-558

Removal and Installation of Boom HBCV

2min
pages 527-529

Removal and Installation of Arm HBCV

1min
pages 525-526

Removal and Installation of Boom

3min
pages 519-524

Removal and Installation of Boom Cylinder

2min
pages 514-518

Removal and Installation of Arm

1min
pages 512-513

Removal and Installation of Arm Cylinder

2min
pages 507-511

Removal and Installation of Bucket Cylinder

2min
pages 503-506

Removal and Installation of Bucket Link

1min
pages 500-502

Removal and Installation of Radiator

4min
pages 468-477

Removal and Installation of Bucket

1min
pages 498-499

Removal and Installation of Fuel Tank

2min
pages 492-497

Removal and Installation of Hydraulic Oil Tank

4min
pages 482-491

Removal and Installation of Oil Cooler

1min
pages 478-481

Removal and Installation of Cushion Valve

1min
pages 456-459

Removal and Installation of 5 Stack Solenoid

2min
pages 452-455

Procedures for Assembly and Disassembly of Operation Remote Control Valve

10min
pages 383-395

Procedures for Assembly and Disassembly of Control Valve

35min
pages 429-451

Procedures for Assembly and Disassembly of Travel Remote Control Valve

14min
pages 400-418

Removal and Installation of Travel Remote Control Valve

1min
pages 396-399

Removal and Installation of Operation Remote Control Valve

4min
pages 374-382

Procedures for Assembly and Disassembly of Regulator

7min
pages 365-373

Procedures for Assembly and Disassembly of Hydraulic Pump Main Unit

8min
pages 348-355

Removal and Installation of Pump

3min
pages 342-347

Removal and Installation of Counterweight

1min
pages 339-341

Removal and Installation of Center Joint

3min
pages 334-338

SH240-5 Assembly and Disassembly of Swing Motor

14min
pages 300-319

SH240-5 Assembly and Disassembly of Swing Reduction Gear

13min
pages 320-333

SH240-5 Removal and Installation of Swing Unit

3min
pages 290-294

SH210-5 Assembly and Disassembly of Swing Motor

19min
pages 253-276

SH210-5 Assembly and Disassembly of Swing Reduction Gear

9min
pages 277-289

SH210-5 Assembly and Disassembly of Swing Unit

4min
pages 248-252

SH210-5 Removal and Installation of Swing Unit

3min
pages 242-247

Assembly and Disassembly of Lower Roller

6min
pages 232-241

Removal and Installation of Lower Roller

2min
pages 229-231

Assembly and Disassembly of Upper Roller

6min
pages 218-228

Removal and Installation of Upper Roller

1min
pages 215-217

Assembly and Disassembly of Take-up Roller

6min
pages 203-214

Removal and Installation of Take-up Roller

2min
pages 200-202

Travel Motor Part Table

2min
page 199

Removal and Installation of Engine Inter Cooler

5min
pages 192-197

Removal and Installation of Fuel Cooler

1min
page 191

Removal and Installation of Engine Sensors

2min
page 190

Removal and Installation of EGR Cooler and EGR Valve

8min
pages 186-189

Removal and Installation of Turbo Charger

6min
pages 181-185

Removal and Installation of Muffler

2min
pages 179-180

Removal and Installation of Injector

9min
pages 167-178

Removal and Installation of Common Rail

2min
pages 164-166

Removal and Installation of Supply Pump

16min
pages 150-163

Removal and Installation of Alternator

1min
pages 148-149

Removal and Installation of Engine Assembly

12min
pages 134-145

Procedures for Filling

1min
page 133

Charge Fuel Pump Filter

1min
pages 126-127

Work Procedures

1min
page 131

Removal and Installation of Starter Motor

2min
pages 146-147

Removal and Installation of Fan Belt

1min
pages 128-129

Removal and Installation of Shoe Plate

1min
page 123

Removal and Installation of Engine Oil Filter Element

1min
page 121
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