Komatsu PC490LC-10 Hydraulic Excavator Operation & Maintenance Manual
TABLE OF CONTENTS:
Komatsu PC490LC-10 Hydraulic Excavator Operation & Maintenance Manual
COVER.................................................................................. 1 FOREWORD .............................................................................. 2 BEFORE READING THIS MANUAL ........................................................ 3 SAFETY INFORMATION ................................................................ 4 INTRODUCTION ...................................................................... 5 USE OF MACHINE ................................................................ 5 DIRECTIONS OF MACHINE ......................................................... 5 VISIBILITY FROM OPERATOR’S SEAT ............................................... 6 PRODUCT INFORMATION ............................................................... 7 PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE .................. 7 EPA REGULATIONS, ENGINE NUMBER PLATE .......................................... 7 SERVICE METER LOCATION ........................................................ 8 YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR ................................... 8 CONTENTS .......................................................................... 9 SAFETY ................................................................................ 14 SAFETY ............................................................................ 15 SAFETY LABELS ..................................................................... 17 LOCATION OF SAFETY LABELS ..................................................... 18 SAFETY LABELS ................................................................. 19 GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE ........................... 27 PRECAUTIONS BEFORE STARTING OPERATION ......................................... 27 PREPARATIONS FOR SAFE OPERATION ............................................... 28 FIRE PREVENTION ............................................................... 30 PRECAUTIONS WHEN GETTING ON OR OFF MACHINE .................................... 32 DO NOT GET CAUGHT IN WORK EQUIPMENT ........................................... 33 PRECAUTIONS RELATED TO PROTECTIVE STRUCTURES .................................. 34 PROTECTION AGAINST FALLING, FLYING, OR INTRUDING OBJECTS ...................... 35 UNAUTHORIZED MODIFICATION ..................................................... 35 PRECAUTIONS RELATED TO ATTACHMENTS AND OPTIONS ................................ 36 PRECAUTIONS RELATED TO CAB GLASS .............................................. 36 PRECAUTIONS WHEN RUNNING ENGINE INSIDE BUILDING ............................... 36 PRECAUTIONS FOR OPERATION ......................................................... 37 PRECAUTIONS FOR JOBSITE ....................................................... 37 STARTING ENGINE ............................................................... 40 OPERATION ..................................................................... 43 TRANSPORTATION ................................................................ 50 TOWING ........................................................................ 51 SAFETY RULES FOR LIFTING OPERATIONS ........................................... 52 PRECAUTIONS FOR MAINTENANCE ....................................................... 53 PRECAUTIONS BEFORE STARTING INSPECTION AND MAINTENANCE ........................ 53 PRECAUTIONS FOR INSPECTION AND MAINTENANCE .................................... 57 OPERATION ............................................................................. 64 GENERAL VIEW ...................................................................... 65 GENERAL VIEW OF MACHINE ....................................................... 65 GENERAL VIEW OF CAB ........................................................... 67 GENERAL VIEW OF CONTROLS AND GAUGES ........................................... 68 EXPLANATION OF COMPONENTS ......................................................... 70 MACHINE MONITOR ............................................................... 70 SWITCHES ......................................................................145 CONTROL LEVERS AND PEDALS .....................................................153 OPENING AND CLOSING CEILING WINDOW ............................................156 OPENING AND CLOSING CAB FRONT WINDOW ..........................................158 EMERGENCY ESCAPE HAMMER .......................................................163 DOOR LOCK .....................................................................164 CAB DOOR HINGE ................................................................165 CAPS AND COVERS WITH LOCK .....................................................166 DRINK BOX .....................................................................170 MAGAZINE BOX ..................................................................170 CUP HOLDER ....................................................................170 ASHTRAY .......................................................................171 HANDLING AIR CONDITIONER ......................................................172 HANDLING RADIO ................................................................184 AUXILIARY ELECTRIC POWER ......................................................189 FUSE ..........................................................................190 FUSIBLE LINK ..................................................................192 TOOL BOX ......................................................................193 GREASE PUMP HOLDER ............................................................193 FIRE EXTINGUISHER .............................................................193 BATTERY DISCONNECT SWITCH .....................................................194 SYSTEM OPERATING LAMP .........................................................195 HANDLING KOMATSU DIESEL PARTICULATE FILTER (KDPF) .............................196 HANDLING KOMATSU CLOSED CRANKCASE VENTILATION (KCCV) ..........................206 HANDLING MACHINES EQUIPPED WITH KOMTRAX .......................................207 MACHINE OPERATIONS AND CONTROLS ...................................................209 CHECKS AND ADJUSTMENT BEFORE STARTING ENGINE ..................................209 STARTING ENGINE ...............................................................229 OPERATIONS AND CHECKS AFTER STARTING ENGINE ...................................232 STOPPING ENGINE ...............................................................244 MACHINE OPERATION .............................................................245 STEERING MACHINE ..............................................................249 SWINGING MACHINE ..............................................................251 WORK EQUIPMENT CONTROLS AND OPERATIONS ........................................252 WORKING MODE ..................................................................254 PROHIBITED OPERATIONS .........................................................257 RULES FOR OPERATION ...........................................................262 TRAVELING ON SLOPES ...........................................................264 ESCAPE FROM MUD ...............................................................266 RECOMMENDED APPLICATIONS ......................................................267 REPLACING AND INVERTING BUCKET ................................................269 PARKING MACHINE ...............................................................272 AFTER DAILY WORK COMPLETION ...................................................273 LOCKING .......................................................................274 TRANSPORTATION ....................................................................275 TRANSPORTATION PROCEDURE ......................................................275 LOADING AND UNLOADING WITH TRAILER ............................................276 LIFT MACHINE ..................................................................285 SPREAD AND NARROW TRACK FRAME GAUGE ...........................................287 COLD WEATHER OPERATION ............................................................289 COLD WEATHER OPERATION INFORMATION ............................................289 AFTER DAILY WORK COMPLETION ...................................................291 AFTER COLD WEATHER SEASON .....................................................291 LONG-TERM STORAGE .................................................................292 BEFORE STORAGE ................................................................292 DURING STORAGE ................................................................292 AFTER STORAGE .................................................................293 STARTING MACHINE AFTER LONG-TERM STORAGE ......................................293 TROUBLES AND ACTIONS ..............................................................294 RUNNING OUT OF FUEL ...........................................................294 PHENOMENA THAT ARE NOT FAILURES ...............................................295 TOWING MACHINE ................................................................296 LIGHTWEIGHT TOWING HOLE .......................................................297 SEVERE JOB CONDITION ..........................................................297 DISCHARGED BATTERY ............................................................298 OTHER TROUBLE .................................................................302 MAINTENANCE ...........................................................................306 RULES FOR MAINTENANCE .............................................................307 SERVICE METER READING .........................................................307 KOMATSU GENUINE REPLACEMENT PARTS .............................................307 KOMATSU GENUINE LUBRICANTS ....................................................307 ALWAYS USE CLEAN WASHER FLUID .................................................307 FRESH AND CLEAN LUBRICANTS ....................................................307 CHECK DRAINED OIL AND USED FILTER .............................................307 CAUTION FOR REFILLING OIL OR FUEL .............................................307 WELDING INSTRUCTIONS ..........................................................307 DO NOT DROP THINGS INSIDE MACHINE .............................................307 DUSTY JOBSITES ................................................................307 AVOID MIXING OIL ..............................................................308 LOCKING INSPECTION COVERS .....................................................308 BLEEDING AIR FROM HYDRAULIC CIRCUIT ...........................................308 PRECAUTIONS WHEN INSTALLING HYDRAULIC HOSES ...................................308 CHECKS AFTER INSPECTION AND MAINTENANCE .......................................308 FUEL AND LUBRICANTS TO MATCH THE AMBIENT TEMPERATURE ..........................308 OUTLINE OF SERVICE ................................................................309 HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC ........................309 HANDLING ELECTRICAL COMPONENTS ................................................313 STANDARD TIGHTENING TORQUE FOR BOLTS AND NUTS .....................................314 TIGHTENING TORQUE LIST ........................................................314 MAINTENANCE SCHEDULE ..............................................................315 MAINTENANCE SCHEDULE TABLE ....................................................315 MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER ....................................317 MAINTENANCE PROCEDURE .............................................................318 WHEN REQUIRED .................................................................318 CHECKS BEFORE STARTING ........................................................348 EVERY 50 HOURS MAINTENANCE ....................................................349 EVERY 250 HOURS MAINTENANCE ...................................................350 EVERY 500 HOURS MAINTENANCE ...................................................354 EVERY 1000 HOURS MAINTENANCE ..................................................367 EVERY 2000 HOURS MAINTENANCE ..................................................375 EVERY 4000 HOURS MAINTENANCE ..................................................383 EVERY 4500 HOURS MAINTENANCE ..................................................386 EVERY 5000 HOURS MAINTENANCE ..................................................387 EVERY 8000 HOURS MAINTENANCE ..................................................389 EVERY 9000 HOURS MAINTENANCE ..................................................390 SPECIFICATIONS ........................................................................392 SPECIFICATIONS ....................................................................393 ATTACHMENTS AND OPTIONS ...............................................................396 GENERAL PRECAUTIONS FOR SAFETY ....................................................397 PRECAUTIONS WHEN SELECTING ....................................................397 READ THE OPERATION AND MAINTENANCE MANUAL THOROUGHLY ..........................397 PRECAUTIONS WHEN REMOVING OR INSTALLING .......................................397 PRECAUTIONS WHEN USING ........................................................398 BUCKET WITH HOOK ..................................................................399 HOOK CONDITION ................................................................399 PROHIBITED OPERATIONS .........................................................399 MACHINE READY FOR INSTALLATION OF ATTACHMENT ......................................400 EXPLANATION OF COMPONENTS .....................................................400 HYDRAULIC CIRCUIT .............................................................403 REMOVAL AND INSTALLATION OF ATTACHMENT ........................................410 OPERATION .....................................................................412 LONG TERM STORAGE .............................................................415 SPECIFICATIONS ................................................................415 ATTACHMENTS AND OPTIONS ...........................................................416 ATTACHMENT COMBINATIONS .......................................................416 TRACK SHOES SELECTION .........................................................419 RECOMMENDED ATTACHMENT OPERATIONS .................................................420 HYDRAULIC BREAKER .............................................................420 REPLACEMENT PARTS .....................................................................424 SAFETY CRITICAL PARTS .............................................................425 SAFETY CRITICAL PARTS LIST ....................................................425 CONSUMABLE PARTS ..................................................................426 CONSUMABLE PARTS LIST .........................................................426 RECOMMENDED FUEL, COOLANT, AND LUBRICANT ..........................................427 LUBRICATION CHART .............................................................427 FUEL, COOLANT, AND LUBRICANTS TO MATCH THE AMBIENT TEMPERATURE ................429 RECOMMENDED BRANDS AND QUALITY FOR PRODUCTS OTHER THAN KOMATSU GENUINE OIL ....431 INDEX .................................................................................432
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Komatsu PC490LC-10 Hydraulic Excavator Operation & Maintenance Manual
BEFORE READING THIS MANUAL (HM-0110-010-A-00-A) :
This manual gives details of the operation and methods of inspection and maintenance for this machine that must be obeyed in order to use the machine safely. Most accidents are caused by the failure to follow fundamental safety rules for the operation and maintenance of machines. Read, understand and follow all precautions and warnings in this manual and on the machine before performing operation and maintenance. Failure to do so may result in serious injury or death.
- Komatsu cannot predict every circumstance that might involve a potential hazard when the machine is used. Therefore, the safety messages in this manual and on the machine may not include all possible safety precautions. If you carry out any operation, inspection, or maintenance under conditions that are not described in this manual, understand that it is your responsibility to take the necessary precautions to ensure safety.
- In no event should you or others engage in the prohibited uses or actions described in this manual. Improper operation and maintenance of the machine can be hazardous and could result in serious injury or death. If you sell the machine, be sure to give this manual to the new owner together with the machine. Always keep this Operation and Maintenance Manual in the location shown on the right so that all relevant personnel can read it at any time.
- Storage location for the Operation and Maintenance Manual: On inside of left door If this manual is lost or damaged, contact and tell your distributor about the machine model name and the serial No. immediately to arrange for its replacement.
- For details regarding the machine model name and the serial No., see the machine serial No. plate. In order to arrange the proper Operation and Maintenance Manual, you will need to provide the machine model name and the serial No. to your Komatsu distributor.
- This manual uses the international units (SI) for units of measurement. For reference, units that have been used in the past are given in { }. The explanations, values, and illustrations in this manual have been prepared based on the latest information available as of the date of its publication.
- Continuing improvements in the design of this machine may lead to additional changes that are not reflected in this manual. Consult Komatsu or your Komatsu distributor for the latest available information concerning your machine or with questions regarding information contained in this manual.
- The numbers in circles in the illustrations correspond to the numbers in ( ) in the text. (For example: ① as (1)) Komatsu delivers machines that comply with all applicable regulations and standards of the country to which it has been shipped. If this machine has been purchased in another country, it may lack certain safety devices and specifications that are necessary for use in your country. If there is any question about whether your product complies with the applicable standards and regulations of your country, consult Komatsu or your Komatsu distributor before operating the machine.
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