Komatsu PC450 PC450LC PC450HD Hydraulic Excavator Workshop Repair Service Manual PDF - MKMTSPC450OPES.zip

This is a full workshop-level repair and service manual, complete with electrical wiring diagrams, covering the Komatsu Hydraulic Excavators PC450-6, PC450LC-6, PC450LC-8 and PC450HD-8. It contains every technical detail needed to service, troubleshoot, fix and rebuild these machines to the standard of a professional technician.

Inside the Komatsu Hydraulic Excavator PC450-6, PC450LC-6, PC450LC-8, PC450HD-8 workshop service repair manual, you will 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: 3,943 pages

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

Language: English

CEBM0076012 - Hydraulic Excavator PC450LC-8 Shop Manual.pdf

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CEBM007602 - Hydraulic Excavator PC450LC-8, PC450HD-8 Shop Manual.pdf

CEAM021901 - Hydraulic Excavator PC450LC-8 Operation & Maintenance Manual.pdf

UEAM007200 - Hydraulic Excavator PC450-8, PC450LC-8 Operation & Maintenance Manual.pdf

MAIN SECTIONS

CEAM021901 - Hydraulic Excavator PC450LC-8 Operation & Maintenance Manual....2

COVER....2

INTRODUCTION....4

FOREWORD....5

SAFETY INFORMATION....6

INTRODUCTION....8

Directions Of Machine....8

Visibility From Operator's Seat....9

Proximity Visibility....9

12 m Circumference Visibility....10

Breaking-in The New Machine....11

Product Information....12

Product Identification Number (PIN)/machine Serial No. Plate....12

EPA Regulations, Engine Number Plate....12

Service Meter Location....13

Your Machine Serial Numbers And Distributor....13

TABLE OF CONTENTS....14

SAFETY....22

SAFETY AND WARNING DECALS....23

Location Of The Safety Decals....23

Safety Labels....24

Optional Systems Decal....30

Optional Decal Locations....33

GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE....34

Precautions Before Starting Operation....34

Ensuring Safe Operation....34

Understanding The Machine....34

Preparations For Safe Operation....34

Precautions Regarding Safety-related Equipment....34

Inspecting Machine....34

SAFETY INFORMATION....34

Safety Rules....34

If Problems Are Found....35

Working Wear And Personal Protective Items....35

Fire Extinguisher And First Aid Kit....35

Safety Equipment....36

Keep Machine Clean....36

Keep Operator's Compartment Clean....36

Leaving Operator's Seat With Lock....36

Handrails And Steps....37

Precautions When Working In High Places....37

Mounting And Dismounting....37

No Persons On Attachments....37

Do Not Get Caught In Articulated Portion....38

Burn Prevention....38

Protection Against Falling Or Flying Objects....38

Fire Prevention And Explosion Prevention....39

Action If Fire Occurs....40

Windshield Washer Fluid....40

Falling Objects, Flying Objects And Intruding Objects Prevention....40

Attachment Installation....41

Attachment Combinations....41

Cab Window Glasses....41

Unauthorized Modifications....41

Safety At Jobsite....41

Working On Loose Ground....42

Distance To High Voltage Cables....43

Ensure Good Visibility....43

Ventilation For Enclosed Area....44

Signalman's Signal And Signs....44

Emergency Exit From Operator's Cab....44

Asbestos Dust Hazard Prevention....44

SAFETY MACHINE OPERATION....45

Starting Engine....45

Checks Before Starting Engine....45

Safety Rules For Starting Engine....46

Starting Engine In Cold Weather....46

OPERATION....47

Checks Before Operation....47

Safety Rules For Changing Machine Directions....47

Safety Rules For Traveling....48

Traveling On Slopes....48

Operations On Slopes....49

Prohibited Operations....50

Operations On Snow....51

Parking Machine....52

TRANSPORTATION....53

Loading And Unloading....53

Shipping The Machine....53

BATTERY....54

Battery Hazard Prevention....54

Starting Engine With Booster Cables....55

TOWING....56

Safety Rules For Towing....56

LIFTING OBJECTS WITH BUCKET....56

Safety Rules For Lifting Objects....56

SAFETY MAINTENANCE INFORMATION....57

Warning Tag....57

Keep Work Place Clean And Tidy....57

Appoint Leader When Working With Others....57

Stop Engine Before Carrying Out Maintenance....58

Two Workers For Maintenance When Engine Is Running....59

Proper Tools....59

Accumulator, Gas Spring....60

Personnel....60

Attachments....60

Work Under The Machine....60

Noise....60

When Using Hammer....61

Welding Works....61

Removing Battery Terminals....61

Safety First When Using High-pressure Grease To Adjust Track Tension....61

Do Not Disassemble Recoil Springs....62

Safety Rules For High-pressure Oil....62

Precaution For High Fuel Pressure....62

Safety Handling High-pressure Hoses....63

Precaution For High Voltage....63

Waste Materials....63

Air Conditioner Maintenance....64

Compressed Air....64

Periodic Replacement Of Safety Critical Parts....64

OPERATION....66

MACHINE VIEW ILLUSTRATIONS....67

OVERALL MACHINE VIEW....67

Controls And Gauges....68

Machine Monitor....69

DETAILED CONTROLS AND GAUGES....70

Monitoring System....70

Basic Operation Of Machine Monitor....71

Emergency Monitors....76

Caution Monitors....78

Basic Check Monitors....80

Meter Display Portion....82

Gauges And Meter....86

Monitor Switches Portion....90

Maintenance Selector Switch....106

SWITCHES....138

CONTROL LEVERS AND PEDALS....143

SUN ROOF....146

WINDSHIELD....146

EMERGENCY ESCAPE HAMMER....153

DOOR LOCK....153

CAP WITH LOCK....154

DRINK BOX....156

MAGAZINE BOX....156

ASHTRAY....156

AIR CONDITIONER CONTROLS....157

Air Conditioner Control Panel....157

Method Of Operation....162

Automatic Operation....162

Stopping Automatic Operation....163

Manual Operation....163

Stopping Manual Operation....165

Operation With Cold Air To Face And Warm Air To Feet....165

Defroster Operation....167

RADIO....170

Control Panel....170

Controls Of Radio....172

AUXILIARY ELECTRIC POWER....175

24v Power Source....175

12v Power Source....175

FUSE....176

FUSIBLE LINK....177

CONTROLLER....177

TOOL BOX....178

GREASE PUMP HOLDER....178

FIRE EXTINGUISHER....178

MACHINE OPERATIONS AND CONTROLS....179

Before Starting Engine....179

Walk-around Checks....179

Checks Before Starting....181

Adjustment....187

Seat Adjustment....187

Adjusting Angle Of Rear View Camera....189

Rear View Mirrors....191

Seat Belt....194

Operations Before Starting Engine....195

Starting Engine....197

After Starting Engine....200

Breaking-in the New Machine....200

Engine Warm Up....201

Hydraulic System Warm-up....203

Operation After Completion Of Warming-up Operation....209

Stopping The Engine....211

MACHINE OPERATION....212

Preparations For Moving The Machine....212

Moving Machine Forward....213

Moving Machine Backward....214

Stopping Machine....215

Steering The Machine....216

Swinging....218

Work Equipment Controls And Operations....219

Working Mode....221

Prohibited Operations....223

General Operation Information....228

Traveling On Slopes....230

Escape From Mud....232

Recommended Applications....233

BUCKET REPLACEMENT AND INVERSION....235

Replacement....235

Inversion....237

PARKING MACHINE....239

MACHINE INSPECTION AFTER DAILY WORK....241

Locking....241

TRANSPORTATION....242

Transportation Procedure....242

Long Distance Transport Mode....243

Normal Mode Display....243

Long Distance Transport Mode Display....243

Loading And Unloading With Trailer....245

Loading....246

Securing Machine....249

Unloading....252

LIFTING MACHINE....254

TRANSPORTATION POSTURE....256

PROCEDURE FOR INCREASING OR REDUCING TRACK FRAME GAUGE....259

COLD WEATHER OPERATION....261

AFTER DAILY WORK COMPLETION....263

AFTER COLD WEATHER SEASON....263

LONG TERM STORAGE....264

Before Storage....264

During Storage....264

After Storage....265

Starting Machine After Long-Term Storage....265

TROUBLES AND ACTIONS....266

Running Out Of Fuel....266

Phenomena That Are Not Failures....267

Towing The Machine....268

Lightweight Towing Hole....269

Severe Job Condition....269

Discharged Battery....270

Starting Engine With Booster Cables....272

OTHER TROUBLE....274

Electrical System....274

Chassis....275

Engine....276

Electronic Control System....277

MAINTENANCE....280

MAINTENANCE INFORMATION....281

OUTLINE OF SERVICE....283

HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC....283

Oil....283

Fuel....284

Coolant And Water For Dilution....284

Grease....285

Carrying Out KOWA (Komatsu Oil Wear Analysis)....285

KOWA Analysis Items....285

Oil Sampling....286

Storing Oil And Fuel....286

Filters....286

Electric System Maintenance....286

WEAR PARTS....287

Wear Parts List....287

RECOMMENDED FUEL, COOLANT, AND LUBRICANT....288

TIGHTENING TORQUE SPECIFICATIONS....291

Tightening Torque List....291

SAFETY CRITICAL PARTS....292

Safety Critical Parts List....292

MAINTENANCE SCHEDULE....293

Maintenance Schedule Chart....293

Maintenance Interval For Hydraulic Breaker....295

MAINTENANCE PROCEDURE....296

Initial 1000 Hours Maintenance (Only After The First 1000 Hours)....296

When Required....297

Check, Clean And Replace Air Cleaner Element....297

Clean Inside Of Cooling System....303

Check And Tighten Track Shoe Bolts....307

Check And Adjust Track Tension....308

Replace Bucket Teeth (Vertical Pin Type)....310

Replace Bucket Teeth (Horizontal Pin Type)....313

Replace Bucket Side Cutter, Shroud....315

Adjust Bucket Clearance....316

Check Window Washer Fluid Level, Add Fluid....317

Check And Maintenance Air Conditioner....318

Wash Washable Floor....319

Check Gas Spring....322

Bleeding Air From Hydraulic System....323

Check Before Starting....325

Every 50 Hours Maintenance....326

Lubricating....326

Every 250 Hours Maintenance....327

Lubricate Swing Circle....327

Check Oil Level In Swing Machinery Case, Add Oil....328

Check Oil Level In Final Drive Case, Add Oil....329

Check Level Of Battery Electrolyte....330

Check Fan Belt, Alternator Belt Tension, Adjust....332

Check Air Conditioner Compressor Belt Tension, Adjust....333

Every 500 Hours Maintenance....334

Lubricating....334

Replace Fuel Pre-filter Cartridge....336