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Komatsu PC450LC-8 Hydraulic Excavator Operation & Maintenance Manual SN A10001 and up – PDF DOWNLOAD
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Komatsu PC450LC-8 Hydraulic Excavator Operation & Maintenance Manual
Book Code : CEAM021901
SERIAL NUMBERS PC450LC-8 A10001 and UP
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Description
Komatsu PC450LC-8 Hydraulic Excavator Operation & Maintenance Manual
FILE DETAILS:
Komatsu PC450LC-8 Hydraulic Excavator Operation & Maintenance Manual
Model Specification: KOMATSU PC450LC-8 Hydraulic Excavator
Language: English
File Format: PDF
Total Pages: 396
Requirements: Adobe PDF Reader
ZOOM IN/OUT: YES
Downloadable: YES
KOMATSU PC450LC-8 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL SN A10001 AND UP – PDF DOWNLOAD:
IMAGES PREVIEW OF THE MANUAL:
DESCRIPTION:
Komatsu PC450LC-8 Hydraulic Excavator Operation & Maintenance Manual
FOREWORD:
This manual provides rules and guidelines which will help you use this machine safely and effectively. The precautions in this manual must be followed at all times when performing operation and maintenance. Most accidents are caused by the failure to follow fundamental safety rules forthe operation and maintenance of machines. Accidents can be prevented by knowing beforehand conditions that may cause hazard when performing operation and maintenance.
TABLE OF CONTENTS:
Komatsu PC450LC-8 Hydraulic Excavator Operation & Maintenance Manual
COVER................................................................................................ 1 INTRODUCTION......................................................................................... 3 FOREWORD......................................................................................... 4 SAFETY INFORMATION............................................................................... 5 INTRODUCTION..................................................................................... 7 Directions Of Machine........................................................................ 7 Visibility From Operator's Seat.............................................................. 8 Proximity Visibility..................................................................... 8 12 m Circumference Visibility............................................................ 9 Breaking-in The New Machine.................................................................. 10 Product Information.......................................................................... 11 Product Identification Number (PIN)/machine Serial No. Plate............................. 11 EPA Regulations, Engine Number Plate..................................................... 11 Service Meter Location....................................................................... 12 Your Machine Serial Numbers And Distributor.................................................. 12 TABLE OF CONTENTS................................................................................ 13 SAFETY............................................................................................... 21 SAFETY AND WARNING DECALS........................................................................ 22 Location Of The Safety Decals................................................................ 22 Safety Labels................................................................................ 23 Optional Systems Decal....................................................................... 29 Optional Decal Locations..................................................................... 32 GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE.......................................... 33 Precautions Before Starting Operation........................................................ 33 Ensuring Safe Operation.................................................................. 33 Understanding The Machine................................................................ 33 Preparations For Safe Operation.............................................................. 33 Precautions Regarding Safety-related Equipment........................................... 33 Inspecting Machine....................................................................... 33 SAFETY INFORMATION............................................................................... 33 Safety Rules................................................................................. 33 If Problems Are Found........................................................................ 34 Working Wear And Personal Protective Items................................................... 34 Fire Extinguisher And First Aid Kit.......................................................... 34 Safety Equipment............................................................................. 35 Keep Machine Clean........................................................................... 35 Keep Operator's Compartment Clean............................................................ 35 Leaving Operator's Seat With Lock............................................................ 35 Handrails And Steps.......................................................................... 36 Precautions When Working In High Places...................................................... 36 Mounting And Dismounting..................................................................... 36 No Persons On Attachments.................................................................... 36 Do Not Get Caught In Articulated Portion..................................................... 37 Burn Prevention.............................................................................. 37 Protection Against Falling Or Flying Objects................................................. 37 Fire Prevention And Explosion Prevention..................................................... 38 Action If Fire Occurs........................................................................ 39 Windshield Washer Fluid...................................................................... 39 Falling Objects, Flying Objects And Intruding Objects Prevention............................. 39 Attachment Installation...................................................................... 40 Attachment Combinations...................................................................... 40 Cab Window Glasses........................................................................... 40 Unauthorized Modifications................................................................... 40 Safety At Jobsite............................................................................ 40 Working On Loose Ground...................................................................... 41 Distance To High Voltage Cables.............................................................. 42 Ensure Good Visibility....................................................................... 42 Ventilation For Enclosed Area................................................................ 43 Signalman's Signal And Signs................................................................. 43 Emergency Exit From Operator's Cab........................................................... 43 Asbestos Dust Hazard Prevention.............................................................. 43 SAFETY MACHINE OPERATION......................................................................... 44 Starting Engine.............................................................................. 44 Checks Before Starting Engine................................................................ 44 Safety Rules For Starting Engine............................................................. 45 Starting Engine In Cold Weather.............................................................. 45 OPERATION........................................................................................ 46 Checks Before Operation...................................................................... 46 Safety Rules For Changing Machine Directions................................................. 46 Safety Rules For Traveling................................................................... 47 Traveling On Slopes.......................................................................... 47 Operations On Slopes......................................................................... 48 Prohibited Operations........................................................................ 49 Operations On Snow........................................................................... 50 Parking Machine.............................................................................. 51 TRANSPORTATION................................................................................... 52 Loading And Unloading........................................................................ 52 Shipping The Machine......................................................................... 52 BATTERY.......................................................................................... 53 Battery Hazard Prevention.................................................................... 53 Starting Engine With Booster Cables.......................................................... 54 TOWING........................................................................................... 55 Safety Rules For Towing...................................................................... 55 LIFTING OBJECTS WITH BUCKET...................................................................... 55 Safety Rules For Lifting Objects............................................................. 55 SAFETY MAINTENANCE INFORMATION................................................................... 56 Warning Tag.................................................................................. 56 Keep Work Place Clean And Tidy............................................................... 56 Appoint Leader When Working With Others...................................................... 56 Stop Engine Before Carrying Out Maintenance.................................................. 57 Two Workers For Maintenance When Engine Is Running........................................... 58 Proper Tools................................................................................. 58 Accumulator, Gas Spring...................................................................... 59 Personnel.................................................................................... 59 Attachments.................................................................................. 59 Work Under The Machine....................................................................... 59 Noise........................................................................................ 59 When Using Hammer............................................................................ 60 Welding Works................................................................................ 60 Removing Battery Terminals................................................................... 60 Safety First When Using High-pressure Grease To Adjust Track Tension......................... 60 Do Not Disassemble Recoil Springs............................................................ 61 Safety Rules For High-pressure Oil........................................................... 61 Precaution For High Fuel Pressure............................................................ 61 Safety Handling High-pressure Hoses.......................................................... 62 Precaution For High Voltage.................................................................. 62 Waste Materials.............................................................................. 62 Air Conditioner Maintenance.................................................................. 63 Compressed Air............................................................................... 63 Periodic Replacement Of Safety Critical Parts................................................ 63 OPERATION............................................................................................ 65 MACHINE VIEW ILLUSTRATIONS....................................................................... 66 OVERALL MACHINE VIEW............................................................................. 66 Controls And Gauges.......................................................................... 67 Machine Monitor.............................................................................. 68 DETAILED CONTROLS AND GAUGES..................................................................... 69 Monitoring System............................................................................ 69 Basic Operation Of Machine Monitor........................................................... 70 Emergency Monitors........................................................................... 75 Caution Monitors............................................................................. 77 Basic Check Monitors......................................................................... 79 Meter Display Portion........................................................................ 81 Gauges And Meter............................................................................. 85 Monitor Switches Portion..................................................................... 89 Maintenance Selector Switch..................................................................105 SWITCHES.........................................................................................137 CONTROL LEVERS AND PEDALS........................................................................142 SUN ROOF.........................................................................................145 WINDSHIELD.......................................................................................145 EMERGENCY ESCAPE HAMMER..........................................................................152 DOOR LOCK........................................................................................152 CAP WITH LOCK....................................................................................153 DRINK BOX........................................................................................155 MAGAZINE BOX.....................................................................................155 ASHTRAY..........................................................................................155 AIR CONDITIONER CONTROLS.........................................................................156 Air Conditioner Control Panel................................................................156 Method Of Operation..........................................................................161 Automatic Operation......................................................................161 Stopping Automatic Operation.............................................................162 Manual Operation.........................................................................162 Stopping Manual Operation................................................................164 Operation With Cold Air To Face And Warm Air To Feet.....................................164 Defroster Operation......................................................................166 RADIO............................................................................................169 Control Panel................................................................................169 Controls Of Radio............................................................................171 AUXILIARY ELECTRIC POWER.........................................................................174 24v Power Source.............................................................................174 12v Power Source.............................................................................174 FUSE.............................................................................................175 FUSIBLE LINK.....................................................................................176 CONTROLLER.......................................................................................176 TOOL BOX.........................................................................................177 GREASE PUMP HOLDER...............................................................................177 FIRE EXTINGUISHER................................................................................177 MACHINE OPERATIONS AND CONTROLS..................................................................178 Before Starting Engine.......................................................................178 Walk-around Checks.......................................................................178 Checks Before Starting...................................................................180 Adjustment...................................................................................186 Seat Adjustment..........................................................................186 Adjusting Angle Of Rear View Camera......................................................188 Rear View Mirrors........................................................................190 Seat Belt................................................................................193 Operations Before Starting Engine............................................................194 Starting Engine..............................................................................196 After Starting Engine........................................................................199 Breaking-in the New Machine..................................................................199 Engine Warm Up...............................................................................200 Hydraulic System Warm-up.....................................................................202 Operation After Completion Of Warming-up Operation...........................................208 Stopping The Engine..........................................................................210 MACHINE OPERATION................................................................................211 Preparations For Moving The Machine..........................................................211 Moving Machine Forward.......................................................................212 Moving Machine Backward......................................................................213 Stopping Machine.............................................................................214 Steering The Machine.........................................................................215 Swinging.....................................................................................217 Work Equipment Controls And Operations.......................................................218 Working Mode.................................................................................220 Prohibited Operations........................................................................222 General Operation Information................................................................227 Traveling On Slopes..........................................................................229 Escape From Mud..............................................................................231 Recommended Applications.....................................................................232 BUCKET REPLACEMENT AND INVERSION.................................................................234 Replacement..................................................................................234 Inversion....................................................................................236 PARKING MACHINE..................................................................................238 MACHINE INSPECTION AFTER DAILY WORK..............................................................240 Locking......................................................................................240 TRANSPORTATION...................................................................................241 Transportation Procedure.....................................................................241 Long Distance Transport Mode.................................................................242 Normal Mode Display......................................................................242 Long Distance Transport Mode Display.....................................................242 Loading And Unloading With Trailer...........................................................244 Loading..................................................................................245 Securing Machine.........................................................................248 Unloading................................................................................251 LIFTING MACHINE..................................................................................253 TRANSPORTATION POSTURE...........................................................................255 PROCEDURE FOR INCREASING OR REDUCING TRACK FRAME GAUGE...........................................258 COLD WEATHER OPERATION...........................................................................260 AFTER DAILY WORK COMPLETION......................................................................262 AFTER COLD WEATHER SEASON........................................................................262 LONG TERM STORAGE................................................................................263 Before Storage...............................................................................263 During Storage...............................................................................263 After Storage................................................................................264 Starting Machine After Long-Term Storage.....................................................264 TROUBLES AND ACTIONS.............................................................................265 Running Out Of Fuel..........................................................................265 Phenomena That Are Not Failures..............................................................266 Towing The Machine...........................................................................267 Lightweight Towing Hole......................................................................268 Severe Job Condition.........................................................................268 Discharged Battery...........................................................................269 Starting Engine With Booster Cables..........................................................271 OTHER TROUBLE....................................................................................273 Electrical System............................................................................273 Chassis......................................................................................274 Engine.......................................................................................275 Electronic Control System....................................................................276 MAINTENANCE..........................................................................................279 MAINTENANCE INFORMATION..........................................................................280 OUTLINE OF SERVICE...............................................................................282 HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC...........................................282 Oil..........................................................................................282 Fuel.........................................................................................283 Coolant And Water For Dilution...............................................................283 Grease.......................................................................................284 Carrying Out KOWA (Komatsu Oil Wear Analysis)................................................284 KOWA Analysis Items......................................................................284 Oil Sampling.............................................................................285 Storing Oil And Fuel.....................................................................285 Filters..................................................................................285 Electric System Maintenance..............................................................285 WEAR PARTS.......................................................................................286 Wear Parts List..............................................................................286 RECOMMENDED FUEL, COOLANT, AND LUBRICANT.........................................................287 TIGHTENING TORQUE SPECIFICATIONS.................................................................290 Tightening Torque List.......................................................................290 SAFETY CRITICAL PARTS............................................................................291 Safety Critical Parts List...................................................................291 MAINTENANCE SCHEDULE.............................................................................292 Maintenance Schedule Chart...................................................................292 Maintenance Interval For Hydraulic Breaker...................................................294 MAINTENANCE PROCEDURE............................................................................295 Initial 1000 Hours Maintenance (Only After The First 1000 Hours).............................295 When Required................................................................................296 Check, Clean And Replace Air Cleaner Element.............................................296 Clean Inside Of Cooling System...........................................................302 Check And Tighten Track Shoe Bolts.......................................................306 Check And Adjust Track Tension...........................................................307 Replace Bucket Teeth (Vertical Pin Type).................................................309 Replace Bucket Teeth (Horizontal Pin Type)...............................................312 Replace Bucket Side Cutter, Shroud.......................................................314 Adjust Bucket Clearance..................................................................315 Check Window Washer Fluid Level, Add Fluid...............................................316 Check And Maintenance Air Conditioner....................................................317 Wash Washable Floor......................................................................318 Check Gas Spring.........................................................................321 Bleeding Air From Hydraulic System.......................................................322 Check Before Starting........................................................................324 Every 50 Hours Maintenance...................................................................325 Lubricating..............................................................................325 Every 250 Hours Maintenance..................................................................326 Lubricate Swing Circle...................................................................326 Check Oil Level In Swing Machinery Case, Add Oil.........................................327 Check Oil Level In Final Drive Case, Add Oil.............................................328 Check Level Of Battery Electrolyte.......................................................329 Check Fan Belt, Alternator Belt Tension, Adjust..........................................331 Check Air Conditioner Compressor Belt Tension, Adjust....................................332 Every 500 Hours Maintenance..................................................................333 Lubricating..............................................................................333 Replace Fuel Pre-filter Cartridge........................................................335 Check Swing Pinion Grease Level, Add Grease..............................................337 Change Oil In Engine Oil Pan, Replace Engine Oil Filter Cartridge........................338 Clean And Inspect Radiator Fins, Oil Cooler Fins, Aftercooler Fins And Condenser Fins....340 Clean Air Conditioner Fresh/recirc Filters...............................................342 Replace Breather Element In Hydraulic Tank...............................................343 Every 1000 Hours Maintenance.................................................................344 Replace Fuel Main Filter Cartridge.......................................................344 Replace Hydraulic Oil Filter Element.....................................................347 Change Oil In Swing Machinery Case.......................................................348 Check Oil Level In Damper Case, Add Oil..................................................349 Check All Tightening Points Of Engine Exhaust Pipe Clamps................................349 Check Nitrogen Gas Charge Pressure In Accumulator (For Breaker)..........................349 Replace Hydraulic Tank Additional Breather Element.......................................350 Replace Corrosion Resistor Cartridge (If Equipped).......................................351 Every 2000 Hours Maintenance.................................................................352 Change Oil In Final Drive Case...........................................................352 Clean Hydraulic Tank Strainer............................................................353 Checking Charge Pressure Of Nitrogen Gas In Accumulator (For Control Circuit)............354 Checking Function Of Accumulator.........................................................355 Releasing Pressure In Hydraulic Circuit..................................................357 Check Alternator.........................................................................358 Check Engine Valve Clearance, Adjust.....................................................358 Check Vibration Damper...................................................................358 Every 4000 Hours Maintenance.................................................................359 Check Water Pump.........................................................................359 Check Starting Motor.....................................................................359 Replace Accumulator (For Control Circuit)................................................359 Check For Looseness Of High-pressure Piping Clamp, Hardening Of Rubber...................360 Check For Missing Fuel Spray Prevention Cap, Hardening Of Rubber.........................360 Every 5000 Hours Maintenance.................................................................361 Change Oil In Hydraulic Tank.............................................................361 Every 8000 Hours Maintenance.................................................................363 Replace High-pressure Piping Clamp.......................................................363 Replace Fuel Spray Prevention Cap........................................................363 SPECIFICATIONS.......................................................................................365 SPECIFICATIONS...................................................................................366 OPTIONS, ATTACHMENTS.................................................................................369 GENERAL PRECAUTIONS FOR SAFETY...................................................................370 Precautions When Selecting...................................................................370 Read The Instruction Manual Thoroughly.......................................................370 Precautions When Removing Or Installing......................................................370 Precautions When Using.......................................................................370 BUCKET WITH HOOK.................................................................................371 Hook Condition...............................................................................371 Prohibited Operations........................................................................371 MACHINE READY FOR ATTACHMENT.....................................................................372 Locations....................................................................................372 ATTACHMENT REMOVAL AND INSTALLATION..............................................................382 Attachment Removal...........................................................................382 Attachment Installation......................................................................384 ATTACHMENT OPERATIONS............................................................................386 Long Term Storage............................................................................387 Specifications...............................................................................387 ATTACHMENT GUIDE.................................................................................388 Attachment Combinations......................................................................388 Track Shoes Selection........................................................................390 Selecting Shoes..........................................................................390 RECOMMENDED ATTACHMENT OPERATIONS................................................................391 Hydraulic Breaker............................................................................391 HANDLING MACHINES EQUIPPED WITH KOMTRAX..........................................................396
PLEASE NOTE:
- This is not a physical manual but a digital manual – meaning no physical copy will be couriered to you. The manual can be yours in the next 2 mins as once you make the payment, you will be directed to the download page IMMEDIATELY.
- This is the same manual used by the dealers inorder to diagnose your vehicle of its faults.
- Require some other service manual or have any queries: please WRITE to us at [email protected]
