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KOMATSU PC78US-8 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (SN:16029 & UP) KOMATSU PC78US 8 – PDF DOWNLOAD
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- KOMATSU PC78US-8 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL
- SERIAL NUMBER::16029 & UP
- PUBLICATION NUMBER:TEN00466-01
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KOMATSU PC78US-8 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (SN:16029 & UP) KOMATSU PC78US 8
KOMATSU PC78US-8 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (SN:16029 & UP) KOMATSU PC78US 8 – PDF DOWNLOAD:
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KOMATSU PC78US-8 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (SN:16029 & UP) KOMATSU PC78US 8
- 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.
- Location to Keep Operation & Maintenance Manual Operation and Maintenance Manual pocket at the rear of the operator’s seat If this manual is lost or damaged, contact your distributor immediately to arrange for its replacement. For details regarding the machine serial No. you will need to provide your Komatsu distributor, see “TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR (PAGE 1-9)”. 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 → (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.
TABLE OF CONTENTS:
KOMATSU PC78US-8 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (SN:16029 & UP) KOMATSU PC78US 8
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........................................................ 5 PROTECTIVE STRUCTURE................................................................... 5 PRODUCT INFORMATION........................................................................ 6 PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE........................... 6 EPA REGULATIONS, ENGINE NUMBER PLATE................................................... 6 SERVICE METER LOCATION................................................................. 7 YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR............................................ 7 CONTENTS................................................................................... 8 SAFETY ........................................................................................ 12 SAFETY..................................................................................... 13 SAFETY LABELS.............................................................................. 16 LOCATION OF SAFETY LABELS.............................................................. 17 SAFETY LABELS.......................................................................... 18 GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE.................................... 25 PRECAUTIONS BEFORE STARTING OPERATION.................................................. 25 PREPARATIONS FOR SAFE OPERATION........................................................ 25 FIRE PREVENTION........................................................................ 27 PRECAUTIONS WHEN GETTING ON OR OFF MACHINE............................................. 28 DO NOT GET CAUGHT IN WORK EQUIPMENT.................................................... 30 PRECAUTIONS RELATED TO PROTECTIVE STRUCTURES........................................... 31 PROTECTION AGAINST FALLING, FLYING, INTRUDING OBJECTS.................................. 32 UNAUTHORIZED MODIFICATION.............................................................. 32 PRECAUTIONS RELATED TO ATTACHMENTS AND OPTIONS......................................... 32 PRECAUTIONS RELATED TO CAB GLASS....................................................... 32 PRECAUTIONS WHEN RUNNING ENGINE INSIDE BUILDING........................................ 33 PRECAUTIONS FOR OPERATION.................................................................. 34 PRECAUTIONS FOR JOBSITE................................................................ 34 STARTING ENGINE........................................................................ 36 OPERATION.............................................................................. 38 TRANSPORTATION......................................................................... 46 TOWING................................................................................. 47 LIFTING OBJECTS WITH BUCKET............................................................ 48 PRECAUTIONS FOR MAINTENANCE................................................................ 49 PRECAUTIONS BEFORE STARTING INSPECTION AND MAINTENANCE................................. 49 PRECAUTIONS FOR INSPECTION AND MAINTENANCE............................................. 53 OPERATION ..................................................................................... 60 MACHINE VIEW ILLUSTRATIONS................................................................. 61 OVERALL MACHINE VIEW................................................................... 61 CONTROLS AND GAUGES.................................................................... 62 DETAILED CONTROLS AND GAUGES............................................................... 64 MONITORING SYSTEM...................................................................... 64 SWITCHES...............................................................................123 CONTROL LEVERS AND PEDALS..............................................................127 SUN ROOF...............................................................................131 WINDSHIELD.............................................................................132 SLIDING DOOR...........................................................................138 EMERGENCY ESCAPE HAMMER................................................................139 COVER WITH LOCK........................................................................140 ENGINE HOOD............................................................................141 MUD COVER..............................................................................143 BATTERY INSPECTION COVER...............................................................144 AIR CONDITIONER CONTROLS...............................................................145 RADIO..................................................................................158 FUSE...................................................................................163 FUSIBLE LINK...........................................................................164 AUXILIARY ELECTRIC POWER...............................................................165 CONTROLLERS............................................................................166 OPERATION MANUAL STORAGE...............................................................167 CUP HOLDER.............................................................................167 TOOL BOX...............................................................................167 GREASE PUMP HOLDER.....................................................................167 ASHTRAY................................................................................168 FIRE EXTINGUISHER......................................................................168 MACHINE OPERATIONS AND CONTROLS............................................................169 BEFORE STARTING ENGINE.................................................................169 STARTING ENGINE........................................................................188 AFTER STARTING ENGINE..................................................................193 STOPPING THE ENGINE....................................................................202 MACHINE OPERATION......................................................................203 STEERING THE MACHINE...................................................................207 SWINGING...............................................................................209 WORK EQUIPMENT CONTROLS AND OPERATIONS.................................................210 WORKING MODE...........................................................................212 PROHIBITED OPERATIONS..................................................................214 GENERAL OPERATION INFORMATION..........................................................217 TRAVELING ON SLOPES....................................................................219 ESCAPE FROM MUD........................................................................221 RECOMMENDED APPLICATIONS...............................................................222 BUCKET REPLACEMENT AND INVERSION.......................................................224 PARKING MACHINE........................................................................227 MACHINE INSPECTION AFTER DAILY WORK....................................................229 LOCKING................................................................................229 ROAD LINERS AND RUBBER SHOES...........................................................230 TRANSPORTATION.............................................................................235 TRANSPORTATION PROCEDURE...............................................................235 LOADING AND UNLOADING WITH TRAILER.....................................................236 LIFTING MACHINE........................................................................242 COLD WEATHER OPERATION.....................................................................244 COLD WEATHER OPERATION INFORMATION.....................................................244 AFTER DAILY WORK COMPLETION............................................................246 AFTER COLD WEATHER SEASON..............................................................246 LONG TERM STORAGE..........................................................................247 BEFORE STORAGE.........................................................................247 DURING STORAGE.........................................................................247 AFTER STORAGE..........................................................................248 STARTING MACHINE AFTER LONG-TERM STORAGE...............................................248 TROUBLES AND ACTIONS.......................................................................249 RUNNING OUT OF FUEL....................................................................249 PHENOMENA THAT ARE NOT FAILURES........................................................250 TOWING THE MACHINE.....................................................................251 SEVERE JOB CONDITION...................................................................251 DISCHARGED BATTERY.....................................................................252 OTHER TROUBLE..........................................................................257 MAINTENANCE ...................................................................................262 MAINTENANCE INFORMATION....................................................................263 OUTLINE OF SERVICE.........................................................................265 HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC.................................265 ELECTRIC SYSTEM MAINTENANCE............................................................268 WEAR PARTS.................................................................................269 WEAR PARTS LIST........................................................................269 RECOMMENDED FUEL, COOLANT, AND LUBRICANT...................................................271 USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE...................271 RECOMMENDED BRANDS, RECOMMENDED QUALITY FOR PRODUCTS OTHER THAN KOMATSU GENUINE OIL....272 TIGHTENING TORQUE SPECIFICATIONS...........................................................273 TIGHTENING TORQUE LIST.................................................................273 SAFETY CRITICAL PARTS......................................................................274 SAFETY CRITICAL PARTS LIST.............................................................274 MAINTENANCE SCHEDULE.......................................................................276 MAINTENANCE SCHEDULE CHART.............................................................276 MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER.............................................278 MAINTENANCE PROCEDURE......................................................................279 WHEN REQUIRED..........................................................................279 CHECK BEFORE STARTING..................................................................315 EVERY 100 HOURS MAINTENANCE............................................................316 EVERY 250 HOURS MAINTENANCE............................................................318 EVERY 500 HOURS MAINTENANCE............................................................325 EVERY 1000 HOURS MAINTENANCE...........................................................337 EVERY 2000 HOURS MAINTENANCE...........................................................348 EVERY 4000 HOURS MAINTENANCE...........................................................352 EVERY 5000 HOURS MAINTENANCE...........................................................353 SPECIFICATIONS ................................................................................356 SPECIFICATIONS.............................................................................357 ATTACHMENTS, OPTIONS ..........................................................................360 ATTACHMENTS AND OPTIONS - GENERAL INFORMATION..............................................361 SAFETY FIRST...........................................................................361 ATTACHMENT INSTALLATION................................................................362 BUCKET WITH HOOK...........................................................................363 HOOK CONDITION.........................................................................363 PROHIBITED OPERATIONS..................................................................363 MACHINE READY FOR ATTACHMENT...............................................................364 LOCATIONS..............................................................................364 HYDRAULIC CIRCUIT......................................................................367 ATTACHMENT REMOVAL AND INSTALLATION....................................................368 ATTACHMENT OPERATIONS..................................................................372 LONG TERM STORAGE......................................................................376 SPECIFICATIONS.........................................................................376 METHOD FOR INSTALLING EXTRA COUNTERWEIGHT..................................................377 CHANGING MACHINE CONTROL PATTERN (IF PATTERN CHANGE VALVE EQUIPPED)........................379 CONTROL PATTERN CHANGE PROCEDURE.......................................................379 MACHINE CONTROL PATTERNS...............................................................380 ATTACHMENT GUIDE...........................................................................381 OTHER ATTACHMENTS......................................................................382 ATTACHMENT COMBINATIONS................................................................383 TRACK SHOES SELECTION..................................................................384 RECOMMENDED ATTACHMENT OPERATIONS..........................................................385 HYDRAULIC BREAKER......................................................................385 CRUSHER................................................................................390 HANDLING MACHINES EQUIPPED WITH KOMTRAX....................................................393 BASIC PRECAUTIONS......................................................................393 INDEX..........................................................................................394
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