Komatsu Wheel Loader WA350-1 WA400-1 WA450-1 Workshop Repair Service Manual PDF - MKMTSWA350.zip

Full service and repair documentation, complete with Electrical Wiring Diagrams, for the Komatsu Wheel Loader WA350-1 — everything needed to maintain, troubleshoot, service, and rebuild the machine the way professional technicians do.

Inside the Komatsu Wheel Loader WA350-1 workshop service repair manual, you'll find:

* Numbered table of contents easy to use so that you can find the information you need fast.

* Detailed sub-steps expand on repair procedure information

* Numbered instructions guide you through every repair procedure step by step.

* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.

* Notes, cautions and warnings throughout each chapter pinpoint critical information.

* Bold figure number help you quickly match illustrations with instructions.

* Detailed illustrations, drawings and photos guide you through every procedure.

* Enlarged inset helps you identify and examine parts in detail.

PRODUCT DETAILS:

Total Pages: 613 pages

File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)

Language: English

SEAM04230103 - Wheel Loader WA350-1, WA400-1, WA450-1 Operation & Maintenance Manual.pdf

SEBM04230107 - Wheel Loader WA350-1 Shop Manual.pdf

MAIN SECTIONS

MAIN MENU...0

COVER...1

CONTENTS...2

10 ENGINE...17

11 STRUCTURE AND FUNCTION...17

ENGINE MOUNT...18

RADIATOR...19

FUEL TANK AND PIPING...20

ENGINE CONTROL...21

12 TESTING AND ADJUSTING...22

STANDARD VALUE TABLE...23

TOOL LIST FOR TESTING AND ADJUSTING...24

ADJUSTING VALVE CLEARANCE...25

MEASURING COMPRESSION PRESSURE...26

TESTING AND ADJUSTING FUEL INJECTION TIMING...27

MEASURING ENGINE OIL PRESSURE AND TEMPERATURE...29

MEASURING BLOW-BY PRESSURE...30

TESTING AND ADJUSTING FAN BELT TENSION...31

MEASURING EXHAUST GAS COLOR...32

MEASURING ACCELERATOR PEDAL OPERATING FORCE AND OPERATING ANGLE...33

ADJUSTING FUEL CUT SOLENOID...35

13 DISASSEMBLY AND ASSEMBLY...36

STARTING MOTOR ASSEMBLY...37

REMOVAL...37

INSTALLATION...37

ALTERNATOR ASSEMBLY...38

REMOVAL...38

INSTALLATION...38

FUEL INJECTION PUMP ASSEMBLY...39

REMOVAL...39

INSTALLATION...39

WATER PUMP ASSEMBLY...40

REMOVAL...40

INSTALLATION...40

NOZZLE HOLDER ASSEMBLY...41

REMOVAL...41

INSTALLATION...41

CYLINDER HEAD ASSEMBLY...42

REMOVAL...42

INSTALLATION...48

TURBOCHARGER ASSEMBLY...56

REMOVAL...56

INSTALLATION...56

COMPRESSOR ASSEMBLY...57

REMOVAL...57

INSTALLATION...57

RADIATOR ASSEMBLY...58

REMOVAL ...58

INSTALLATION...61

OIL COOLER ASSEMBLY...63

REMOVAL...63

INSTALLATION...63

ENGINE ASSEMBLY...64

REMOVAL...64

INSTALLATION...71

FUEL TANK...78

REMOVAL...78

INSTALLATION...80

20 POWER TRAIN...82

21 STRUCTURE AND FUNCTION...82

GENERAL...83

HYDRAULIC CIRCUIT FOR POWER TRAIN...85

HYDRAULIC CIRCUIT DIAGRAM FOR POWER TRAIN...86

TORQUE CONVERTER AND TRANSMISSION PIPING...87

TORQUE CONVERTER CHARGING PUMP...88

TORQUE CONVERTER...89

TORQUE CONVERTER OIL FILTER...92

TORQUE CONVERTER OIL COOLER...93

TORQUE CONVERTER RELIEF VALVE...94

TRANSMISSION...95

TRANSMISSION CONTROL VALVE...103

UPPER VALVE...105

LOWER VALVE...106

TRANSMISSION SOLENOID VALVE...107

EMERGENCY MANUAL SPOOL...108

PRIORITY VALVE...111

MODULATING VALVE AND QUICK RETURN VALVE...112

ACCUMULATOR VALVE...115

PILOT REDUCING VALVE...117

TRANSMISSION PILOT FILTER...118

TRANSFER...119

DRIVE SHAFT...120

AXLE MOUNT...121

AXLE AND DIFFERENTIAL...123

TORQUE PROPORTIONING DIFFERENTIAL...128

FINAL DRIVE...129

TIRE AND WHEEL...130

22 TESTING AND ADJUSTING...131

STANDARD VALUE TABLE...132

TOOL LIST FOR TESTING AND ADJUSTING...133

MEASURING ENGINE STALL SPEED...134

MEASURING OIL PRESSURE OF TORQUE CONVERTER AND TRANSMISSION...136

MEASURING SHIFT LEVER...138

METHOD FOR OPERATION OF EMERGENCY MANUAL SPOOL...139

TIRE AND WHEEL...141

TROUBLESHOOTING...142

PRECAUTIONS WHEN TROUBLESHOOTING...143

METHOD OF READING TROUBLESHOOTING TABLE...145

PREVENTING RECURRENCE OF TROUBLE...147

METHOD OF LOCATING MAIN PROBLEM POINTS WHEN TROUBLESHOOTING TRANSMISSION SYTEM...148

TROUBLESHOOTING TABLE...149

1. MACHINE DOES NOT MOVE...149

2. MACHINE LACKS POWER OR SPEED...151

3. EXCESSIVE TIME LAG WHEN STARTING MACHINE OR SHIFTING GEAR...152

4. TORQUE CONVERTER OIL TEMPERATURE TOO HIGH...153

23 DISASSEMBLY AND ASSEMBLY...154

TORQUE CONVERTER CHARGING PUMP...155

REMOVAL...155

INSTALLATION...156

TORQUE CONVERTER, TRANSMISSION, TRANSFER ASSEMBLY...157

REMOVAL...157

INSTALLATION...166

TORQUE CONVERTER ASSEMBLY...174

DISASSEMBLY...174

ASSEMBLY...179

TRANSMISSION ASSEMBLY...185

DISASSEMBLY...185

ASSEMBLY...198

TRANSFER ASSEMBLY...213

DISASSEBLY...213

ASSEMBLY...216

TRANSMISSION CONTROL VALVE...223

REMOVAL...223

INSTALLATION...224

LOWER VALVE...225

DISASSEMBLY...225

ASSEMBLY...225

UPPER VALVE...227

DISASSEMBLY...227

ASSEMBLY...227

FRONT DIFFERENTIAL...229

REMOVAL...229

INSTALLATION...232

REAR DIFFERENTIAL...235

REMOVAL...235

INSTALLATION...236

DIFFERENTIAL...237

DISASSEMBLY...237

ASSEMBLY...240

FRONT AXLE...248

REMOVAL...248

INSTALLATION...250

REAR AXLE...252

REMOVAL...252

INSTALLATION...256

DRIVE SHAFT...260

DISASSEMBLY...260

ASSEMBLY...262

FINAL DRIVE...264

DISASSEMBLY...264

ASSEMBLY ...267

24 MAINTENANCE STANDARD...271

TRANSMISSION AND ENGINE MOUNT...272

TORQUE CONVERTER CHARGING PUMP...273

TORQUE CONVERTER...274

TORQFLOW TRANSMISSION...276

1. TRANSMISSION...276

2. TRANSMISSION CONTROL VALVE...278

3. SOLENOID VALVE...282

TRANSFER...283

DIFFERENTIAL...285

FINAL DRIVE...287

DRIVE SHAFT...288

AXLE MOUNT...289

40 STEERING SYSTEM...291

41 STRUCTURE AND FUNCTION...291

GENERAL...292

HYDRAULIC CIRCUIT FOR STEERING...294

HYDRAULIC CIRCUIT DIAGRAM FOR STEERING...295

OPERATIONS OF STEERING VALVE...296

STEERING CONTROL SYSTEM...298

STEERING VALVE...298

STEERING RELIEF VALVE...300

SAFETY VALVE (DIFFERENTIAL TYPE)...301

OPERATION OF DEMAND POOL...302

TWO-WAY RESTICTOR VALVE...304

STEERING CYLINDER...305

STEERING COLUMN AND GEAR BOX...306

CENTER HINGE PIN...307

STEERING LINKAGE...308

EMERGENCY STEERING PUMP (IF EQUIPPED)...309

DIVERTER VALVE (IF EQUIPPED)...310

SECURITY VALVE (IF EQUIPPED)...313

42 TESTING AND ADJUSTING...316

STANDARD VALUE TABLE...317

TOOL LIST FOR TESTING AND ADJUSTING...317

MEASURING STEERING WHEEL PLAY...318

MEASURING OPERATING FORCE OF STEERING WHEEL...319

OPERATING TIME OF STEERING WHEEL LOCK TO LOCK...320

TESTING STEERING LINKAGE...321

ADJUSTING STEERING LINKAGE...322

STEERING OIL PRESSURE...323

TROUBLESHOOTING...324

TROUBLESHOOTING TABLE...325

1. STEERING WHEEL DOES NOT TURN...325

2. STEERING WHEEL IS SLUGGISH...326

3. STEERING WHEEL MOVES UNSTEADILY OR IS SUBJECTED TO LARGE SHOCK...327

4. MACHINE TENDS TO TURN NATURALLY IN ONE PARTICULAR DIRECTION WHEN TRAVELING...327

5. LEFT AND RIGHT TURNING RADII ARE DIFFERENT...327

43 DISASSEMBLY AND ASSEMBLY...328

STEERING GEAR...329

REMOVAL...329

INSTALLATION...330

DISASSEMBLY...331

ASSEMBLY...332

STEERING VALVE...335

REMOVAL...335

INSTALLATION...337

DISASSEMBLY...339

ASSEMBLY...339

STEERING CYLINDER...341

REMOVAL...341

INSTALLATION...342

DISASSEMBLY...343

ASSEMBLY...345

CENTER HINGE PIN...348

REMOVAL...348

INSTALLATION...356

44 MAINTENANCE STANDARD...365

STEERING LINKAGE...366

STEERING COLUMN AND GEAR BOX...368

STEERING VALVE...369

STEERING CYLINDER MOUNT...371

STEERING CYLINDER...372

CENTER HINGE PIN...373

DIVERTER VALVE (IF EQUIPPED)...375

EMERGENCY STEERING PUMP (IF EQUIPPED)...377

SECURITY VALVE (IF EQUIPPED)...378

50 BRAKE AND AIR SYSTEM...379

51 STRUCTURE...379

GENERAL...380

AIR TANK...383

SAFETY VALVE...383

BRAKE VALVE...384

BRAKE ACTUATED...385

OPERATING IN BALANCE...386

BRAKE RELEASED...387

AIR GOVERNOR...388

TWO-WAY VALVE...390

BRAKE CHAMBER...391

SLACK ADJUSTER...393

BRAKE...396

PARKING BRAKE...398

PARKING BRAKE SOLENOID VALVE...400

SPRING CYLINDER...401

BRAKE CALIPER...402

52 TESTING AND ADJUSTING...403

STANDARD VALUE TABLE...404

TOOL LIST FOR TESTING AND ADJUSTING...405

MEASURING BRAKE PEDAL...406

MEASURING AIR...407

BRAKE PERFORMANCE...410

CHECKING BRAKE PISTON LEAKAGE...411

MEASURING WEAR OF BRAKE DISC...412

AIR BLEEDING FROM BRAKE LINE...413

PARKING BRAKE PERFORMANCE...414

CHECKING AND ADJUSTING PARKING BRAKE...415

TROUBLESHOOTING...417

TROUBLESHOOTING...418

1. AIR PRESSURE DOES NOT RISE AT ALL...418

2. AIR PRESSURE DOES NOT RISE TO THE SPECIFIED RANGE...419

3. BRAKE IS INEFFECTIVE OR NOT VERY EFFECTIVE...420

4. BRAKE DOES NOT RELEASE, OR DRAGS...421

5. PARKING BRAKE DOES NOT RELEASE, OR DRAGS ...422

53 DISASSEMBLY AND ASSEMBLY...423

AIR GOVERNOR...424

DISASSEMBLY...424

ASSEMBLY...425

BRAKE VALVE...426

REMOVAL...426

INSTALLATION...427

DISASSEMBLY...428

ASSEMBLY...430

BRAKE CHAMBER...432

REMOVAL...432

INSTALLATION...434

DISASSEMBLY...435

ASSEMBLY...438

SLACK ADJUSTER...441

REMOVAL...441

INSTALLATION...441

DISASSASSEMBLY...442

ASSEMBLY...443