Trusted Business
Verified & Licensed
Virus Free Files
100% Safe Downloads
Secure Payment
SSL Protected
Instant Delivery
Available Immediately
Sale!
KOMATSU PC78US-6 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (SN:5501 & UP) – PDF DOWNLOAD
Original price was: $59.95.$24.95Current price is: $24.95.
- KOMATSU PC78US-6 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL
- SERIAL NUMBER:5501 & UP
- PUBLICATION NUMBER: SEAM044602T
Instant PDF Download
Available immediately
Save to Your Device
Download & keep forever
Antivirus Scanned
100% virus-free
Trusted Worldwide
175,000+ customers
Description
KOMATSU PC78US-6 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (SN:5501 & UP)
KOMATSU PC78US-6 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (SN:5501 & UP) – PDF DOWNLOAD:
IMAGE PREVIEW:
DESCRIPTION:
KOMATSU PC78US-6 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (SN:5501 & UP)
- 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 for the operation and maintenance of machines. Accidents can be prevented by knowing beforehand conditions that may cause hazard when performing operation and maintenance.
- Operators and maintenance personnel must always do as follows before beginning operation or maintenance. Always be sure to read and understand this manual thoroughly before performing operation and maintenance. Read the safety messages given in this manual and the safety labels affixed to the machine thoroughly and be sure that you understand them fully.
- Keep this manual at the storage location for the Operation and Maintenance Manual given below, and have all personnel read it periodically. If this manual has been lost or has become dirty and cannot be read, request a replacement manual immediately from Komatsu or your Komatsu distributor. If you sell the machine, be sureto give this manual to the new owners together with the machine.
TABLE OF CONTENTS:
KOMATSU PC78US-6 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (SN:5501 & UP)
COVER............................................................................... 1 FOREWORD............................................................................ 2 FOREWORD........................................................................ 3 SAFETY INFORMATION.............................................................. 6 INTRODUCTION.................................................................... 8 DIRECTIONS OF MACHINE....................................................... 8 PRODUCT INFORMATION............................................................. 9 MACHINE SERIAL NUMBER PLATE AND ITS LOCATION................................ 9 ENGINE SERIAL NUMBER PLATE AND ITS LOCATION................................. 9 EMISSION CONTROL INFORMATION LABEL AND ITS LOCATION......................... 10 SERVICE METER LOCATION...................................................... 10 YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR................................. 11 CONTENTS............................................................................ 12 SAFETY.............................................................................. 15 SAFETY INFORMATION.............................................................. 16 SAFETY LABELS................................................................... 18 LOCATION OF SAFETY LABELS................................................... 19 SAFETY LABELS............................................................... 20 SAFETY INFORMATION.............................................................. 26 SAFETY RULES................................................................ 26 IF ABNORMALITIES ARE FOUND.................................................. 26 WORKING WEAR AND PERSONAL PROTECTIVE ITEMS.................................. 26 FIRE EXTINGUISHER AND FIRST AID KIT......................................... 26 SAFETY EQUIPMENT............................................................ 26 KEEP MACHINE CLEAN.......................................................... 27 KEEP OPERATOR'S COMPARTMENT CLEAN........................................... 27 LEAVING OPERATOR'S SEAT WITH LOCK........................................... 27 HANDRAILS AND STEPS......................................................... 28 MOUNTING AND DISMOUNTING.................................................... 28 NO PERSONS ON ATTACHMENTS................................................... 28 DO NOT GET CAUGHT IN ARTICULATED PORTION.................................... 28 BURN PREVENTION............................................................. 29 FIRE PREVENTION AND EXPLOSION PREVENTION.................................... 29 ACTION IF FIRE OCCURS....................................................... 30 WINDSHIELD WASHER FLUID..................................................... 30 FALLING OBJECTS, FLYING OBJECTS AND INTRUDING OBJECTS PREVENTION............ 30 ATTACHMENT INSTALLATION..................................................... 31 ATTACHMENT COMBINATIONS..................................................... 31 CAB WINDOW GALSSES.......................................................... 31 UNAUTHORIZED MODIFICATIONS.................................................. 31 SAFETY AT JOBSITE........................................................... 31 WORKING ON LOOSE GROUND..................................................... 31 DISTANCE TO HIGH VOLTAGE CABLES............................................. 32 ENSURE GOOD VISIBILITY...................................................... 32 VENTILATION FOR ENCLOSED AREA............................................... 33 SIGNALMAN'S SIGNAL AND SIGNS................................................ 33 EMERGENCY EXIT FORM OPERATOR'S CAB.......................................... 33 ASBESTOS DUST HAZARD PREVENTION............................................. 33 SAFETY MACHINE OPERATION........................................................ 34 STARTING ENGINE............................................................. 34 CHECKS BEFORE STARTING ENGINE........................................... 34 SAFETY RULES FOR STARTING ENGINE........................................ 35 STARTING ENGINE IN COLD WEATHER......................................... 35 OPERATION................................................................... 36 CHECKS BEFORE OPERATION................................................. 36 SAFETY RULES FOR CHANGING MACHINE DIRECTIONS............................ 36 SAFETY RULES FOR TRAVELING.............................................. 37 TRAVELING ON SLOPES..................................................... 38 OPERATIONS ON SLOPES.................................................... 39 PROHIBITED OPERATIONS................................................... 39 OPERATIONS ON SNOW...................................................... 40 PARKING MACHINE......................................................... 41 TRANSPORTATION.............................................................. 42 LOADING AND UNLOADING................................................... 42 SHIPPING THE MACHINE.................................................... 42 BATTERY..................................................................... 43 BATTERY HAZARD PREVENTION............................................... 43 STARTING ENGINE WITH BOOSTER CABLES..................................... 44 TOWING...................................................................... 45 SAFETY RULES FOR TOWING................................................. 45 LIFTING OBJECTS WITH BUCKET................................................. 46 SAFETY RULES FOR LIFTING OBJECTS........................................ 46 SAFETY MAINTENANCE INFORMATION.............................................. 47 WARNING TAG............................................................. 47 KEEP WORK PLACE CLEAN AND TIDY.......................................... 47 APPOINT LEADER WHEN WORKING WITH OTHERS................................. 47 STOP ENGINE BEFORE CARRYING OUT MAINTENANCE............................. 47 TWO WORKERS FOR MAINTENANCE WHEN ENGINE IS RUNNING...................... 48 PROPER TOOLS............................................................ 49 PERSONNEL............................................................... 49 ATTACHMENTS............................................................. 49 WORK UNDER THE MACHINE.................................................. 49 NOISE................................................................... 49 WHEN USING HAMMER....................................................... 50 WELDING WORKS........................................................... 50 REMOVING BATTERY TERMINALS.............................................. 50 SAFETY FIRST WHEN USING HIGH-PRESSURE GREASE TO ADJUST TRACK TENSION.... 50 DO NOT DISASSEMBLE RECOIL SPRINGS....................................... 50 SAFETY RULES FOR HIGH-PRESSURE OIL...................................... 51 SAFETY HANDLING HIGH-PRESSURE HOSES..................................... 51 WASTE MATERIALS......................................................... 51 AIR CONDITIONER MAINTENANCE............................................. 51 COMPRESSED AIR.......................................................... 52 PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS........................... 52 OPERATION........................................................................... 53 MACHINE VIEW ILLUSTRATIONS...................................................... 54 OVERALL MACHINE VIEW........................................................ 54 CONTROLS AND GAUGES......................................................... 55 DETAILED CONTROLS AND GAUGES.................................................... 56 MONITORING SYSTEM........................................................... 56 SWITCHES.................................................................... 67 CONTROL LEVERS AND PEDALS................................................... 72 SUN ROOF.................................................................... 76 WINDSHIELD.................................................................. 77 SLIDING DOOR................................................................ 82 EMERGENCY ESCAPE HAMMER..................................................... 82 CAP WITH LOCK............................................................... 84 ENGINE HOOD................................................................. 85 MUD COVER................................................................... 86 BATTERY INSPECTION COVER.................................................... 87 FUSE........................................................................ 88 FUSIBLELINK................................................................. 89 AUXILIARY ELECTRIC POWER.................................................... 89 CONTROLLERS................................................................. 89 HEATER AND DEFROSTAR CONTROLS............................................... 90 AIR CONDITIONER CONTROLS.................................................... 95 RADIO.......................................................................101 OPERATION MANUAL STORAGE....................................................106 TOOL BOX....................................................................106 GREASE PUMP HOLDER..........................................................106 ASHTRAY.....................................................................106 FIRE EXTINGUISHER...........................................................107 MACHINE OPERATIONS AND CONTROLS.................................................108 BEFORE STARTING ENGINE......................................................108 STARTING ENGINE.............................................................124 AFTER STARTING ENGINE.......................................................129 STOPPING THE ENGINE.........................................................132 CHECK AFTER SHUT OFF ENGINE.................................................132 MACHINE OPERATION...........................................................133 STEERING THE MACHINE........................................................137 SWINGING....................................................................139 WORK EQUIPMENT CONTROLS AND OPERATIONS......................................140 WORK MODE...................................................................141 PROHIBITED OPERATIONS.......................................................142 GENERAL OPERATION INFORMATION...............................................144 TRAVELING ON SLOPES.........................................................146 ESCAPE FROM MUD.............................................................148 RECOMMENDED APPLICATIONS....................................................149 BUCKET REPLACEMENT AND INVERSION............................................151 PARKING MACHINE.............................................................153 MACHINE INSPECTION AFTER DAILY WORK.........................................154 LOCKING.....................................................................154 ROAD LINERS AND RUBBER SHOES................................................155 TRANSPORTATION..................................................................160 TRANSPORTATION PROCEDURE....................................................160 LOADING AND UNLOADING WITH TRAILER..........................................160 LIFTING MACHINE.............................................................166 COLD WEATHER OPERATION..........................................................168 COLD WEATHER OPERATION INFORMATION..........................................168 AFTER DAILY WORK COMPLETION.................................................170 AFTER COLD WEATHER SEASON...................................................170 LONG TERM STORAGE...............................................................171 BEFORE STORAGE..............................................................171 DURING STORAGE..............................................................171 AFTER STORAGE...............................................................171 TROUBLES AND ACTIONS............................................................172 RUNNING OUT OF FUEL.........................................................172 PHENOMENA THAT ARE NOT FAILURES.............................................172 TOWING THE MACHINE..........................................................172 SEVERE JOB CONDITION........................................................173 DISCHARGED BATTERY..........................................................174 HOW TO LOWER WORK EQUIPMENT WHEN ENGINE STOPS DUE TO ABNORMALITY............179 OTHER TROUBLE...............................................................180 MAINTENANCE.........................................................................185 MAINTENANCE INFORMATION.........................................................186 LUBRICANTS, COOLANT AND FILTERS.................................................188 HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC......................188 ELECTRIC SYSTEM MAINTENANCE.................................................190 WEAR PARTS......................................................................191 WEAR PARTS LIST.............................................................191 LUBRICANTS, FUEL AND COOLANT SPECIFICATIONS.....................................192 PROPER SELECTION............................................................192 TIGHTENING TORQUE SPECIFICATIONS................................................196 TIGHTENING TORQUE LIST......................................................196 SAFETY CRITICAL PARTS...........................................................197 SAFETY CRITICAL PARTS LIST..................................................197 MAINTENANCE SCHEDULE............................................................198 MAINTENANCE SCHEDULE CHART..................................................198 MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER..................................199 MAINTENANCE PROCEDURE...........................................................200 INITIAL 250 HOURS MAINTENANCE (ONLY AFTER THE FIRST 250 HOURS)..............200 WHEN REQUIRED...............................................................201 CHECK,CLEAN AND REPLACE AIR CLEANER ELEMENT.............................201 CLEAN INSIDE OF COOLING SYSTEM..........................................205 REPLACE WATER SEPARATOR ELEMENT.........................................207 CLEAN FUEL TANK.........................................................208 CHECK AND TIGHTEN TRACK SHOE BOLTS......................................209 CHECK AND ADJUST TRACK TENSION..........................................210 CHECK ROAD LINERS OR RUBBER SHOES.......................................212 CHECK AND ADJUST RUBBER SHOE TENSION....................................214 REPLACE ROAD LINERS.....................................................215 REPLACE RUBBER SHOES....................................................216 CHANGE STEEL SHOES OR ROAD LINER TO RUBBER SHOES........................218 REPLACE BUCKET TEETH(VERTICAL PIN TYPE).................................219 REPLACE BUCKET TEETH(HORIZONTAL PIN TYPE)...............................222 ADJUST BUCKET CLEARANCE.................................................223 CHECK WINDOW WASHER FLUID LEVEL,ADD FLUID...............................224 CHECK AND ADJUST AIR CONDITIONER........................................225 CHECK,CLEAN AND LUBRICATE CAB SLIDE DOOR RAIL AND ROLLER................226 REPLACE BREAKER CIRCUIT ADDITIONAL OIL FILTER ELEMENT...................227 WASH WASHABLE FLOOR.....................................................228 BLEEDING AIR FROM HYDRAULIC SYSTEM......................................229 CHECK BEFORE STARTING.......................................................232 EVERY 50 HOURS MAINTENANCE..................................................233 DRAIN WATER FROM FUEL TANK..............................................233 EVERY 100 HOURS MAINTENANCE.................................................234 LUBRICATING.............................................................234 EVERY 250 HOURS MAINTENANCE.................................................235 LUBRICATING.............................................................235 CHECK OIL LEVEL IN FINAL DRIVE CASE,ADD OIL.............................237 CHECK LEVEL OF BATTERY ELECTROLYTE......................................238 CHECK AND ADJUST COOLING FAN BELT TENSION...............................240 CHECK AIR CONDITIONER COMPRESSOR BELT TENSION,ADJUST....................242 EVERY 500 HOURS MAINTENANCE.................................................243 REPLACE FUEL FILTER CARTRIDGE...........................................243 CHANGE OIL IN ENGINE OIL PAN,REPLACE ENGINE OIL FILTER CARTRIDGE........244 CLEAN INTERNAL AND EXTERNAL AIR FILTERS OF AIR CONDITIONER..............245 CLEAN,CHECK RADIATOR FINS,OIL COOLER FINS AND CONDENSER FINS............247 LUBRICATE SWING CIRCLE..................................................249 CHECK SWING PINION GREASE LEVEL,ADD GREASE..............................249 EVERY 1000 HOURS MAINTENANCE................................................250 REPLACE HYDRAULIC OIL FILTER ELEMENT....................................250 CHANGE OIL IN SWING MACHINERY CASE......................................252 CHANGE OIL IN FINAL DRIVE CASE..........................................253 EVERY 2000 HOURS MAINTENANCE................................................254 CHECK PTO GEAR CASE,ADD OIL.............................................254 CLEAN,CHECK TURBOCHARGER................................................254 CHECK ALTERNATOR,STARTING MOTOR.........................................254 CHECK ENGINE VALVE CLEARANCE,ADJUST.....................................254 EVERY 4000 HOURS MAINTENANCE................................................255 CHECK WATER PUMP........................................................255 EVERY 5000 HOURS MAINTENANCE................................................256 CHANGE OIL IN HYDRAULIC TANK,CLEAN STRAINER.............................256 SPECIFICATIONS......................................................................258 SPECIFICATIONS..................................................................259 ATTACHMENTS, OPTIONS................................................................261 ATTACHMENTS AND OPTIONS-GENERAL INFORMATION.....................................262 SAFETY FIRST................................................................262 ATTACHMENT INSTALLATION.....................................................263 BUCKET WITH HOOK................................................................264 HOOK CONDITION..............................................................264 PROHIBITED OPERATIONS.......................................................264 MACHINE READY FOR ATTACHMENT....................................................265 LOCATIONS...................................................................265 HYDRAULIC CIRCUIT...........................................................267 ATTACHMENT OPERATIONS.......................................................268 LONG TERM STORAGE...........................................................270 SPECIFICATIONS..............................................................270 METHOD FOR REMOVING AND INSTALLING EXTRA COUNTERWEIGHT..........................271 CHANGING MACHINE CONTROL PATTERN(IF PATTERN CHANGE VALVE EQUPPED)...............273 CONTROL PATTERN CHANGE PROCEDURE............................................273 MACHINE CONTROL PATTERNS....................................................274 ATTACHMENT GUIDE................................................................275 OTHER ATTACHMENTS...........................................................275 ATTACHMENT COMBINATIONS.....................................................276 RECOMMENDED ATTACHMENT OPERATIONS...............................................277 HYDRAULIC BREAKER...........................................................277 INDEX...............................................................................282
PLEASE NOTE:
⦁ This is the SAME MANUAL used by the dealerships to diagnose your vehicle
⦁ No waiting for couriers / posts as this is a PDF manual and you can download it within 2 minutes time once you make the payment.
⦁ Your payment is all safe and the delivery of the manual is INSTANT – You will be taken to the DOWNLOAD PAGE.
⦁ So have no hesitations whatsoever and write to us about any queries you may have : heydownloadss @gmail.com
