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:4001 & UP) KOMATSU PC78US-6 – PDF DOWNLOAD
Original price was: $73.95.$26.95Current price is: $26.95.
- KOMATSU PC78US-6 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL
- SERIAL NUMBER:4001 & UP
- PUBLICATION NUMBER:SEAM044600T
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:4001 & UP) KOMATSU PC78US-6
KOMATSU PC78US-6 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (SN:4001 & UP) KOMATSU PC78US-6 – PDF DOWNLOAD:
IMAGE PREVIEW:
DESCRIPTION:
KOMATSU PC78US-6 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (SN:4001 & UP) KOMATSU PC78US-6
- 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:4001 & UP) KOMATSU PC78US-6
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 SERVICE METER LOCATION.................................................. 10 YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR............................. 10 CONTENTS........................................................................ 11 SAFETY.......................................................................... 14 SAFETY INFORMATION.......................................................... 15 WARNING LABELS AND PICTOGRAMS............................................... 17 WARNING LABELS AND PICTOGRAMS-LOCATION.................................. 18 WARNING LABELS AND PICTOGRAMS-ACTUAL.................................... 19 SAFETY INFORMATION.......................................................... 24 SAFETY RULES............................................................ 24 IF ABNORMALITIES ARE FOUND.............................................. 24 WORKING WEAR AND PERSONAL PROTECTIVE ITEMS.............................. 24 FIRE EXTINGUISHER AND FIRST AID KIT..................................... 24 SAFETY EQUIPMENT........................................................ 24 KEEP MACHINE CLEAN...................................................... 25 KEEP OPERATOR'S COMPARTMENT CLEAN....................................... 25 LEAVING OPERATOR'S SEAT WITH LOCK....................................... 25 HANDRAILS AND STEPS..................................................... 26 MOUNTING AND DISMOUNTING................................................ 26 NO PERSONS ON ATTACHMENTS............................................... 26 DO NOT GET CAUGHT IN ARTICULATED PORTION................................ 26 BURN PREVENTION......................................................... 27 FIRE PREVENTION AND EXPLOSION PREVENTION................................ 27 ACTION IF FIRE OCCURS................................................... 28 WINDSHIELD WASHER FLUID................................................. 28 FALLING OBJECTS,FLYING OBJECTS AND INTRUDING OBJECTS PREVENTION......... 28 ATTACHMENT INSTALLATION................................................. 29 ATTACHMENT COMBINATIONS................................................. 29 CAB WINDOW GLASSES...................................................... 29 UNAUTHORIZED MODIFICATIONS.............................................. 29 SAFETY AT JOBSITE....................................................... 29 WORKING ON LOOSE GROUND................................................. 29 DISTANCE TO HIGH VOLTAGE CABLES......................................... 30 ENSURE GOOD VISIBILITY.................................................. 30 VENTILATION FOR ENCLOSED AREA........................................... 30 SIGNALMAN'S SIGNAL AND SIGNS............................................ 31 EMERGENCY EXIT FROM OPERATOR'S CAB...................................... 31 ASBESTOS DUST HAZARD PREVENTION......................................... 31 SAFETY MACHINE OPERATION.................................................... 32 STARTING ENGINE......................................................... 32 CHECKS BEFORE STARTING ENGINE....................................... 32 SAFETY RULES FOR STARTING ENGINE.................................... 32 STARTING ENGINE IN COLD WEATHER..................................... 33 OPERATION............................................................... 34 CHECKS BEFORE OPERATION............................................. 34 SAFETY RULES FOR CHANGING MACHINE DIRECTIONS........................ 34 SAFETY RULES FOR TRAVELING.......................................... 35 TRAVELING ON SLOPES................................................. 36 OPERATIONS ON SLOPES................................................ 37 PROHIBITED OPERATIONS............................................... 37 OPERATIONS ON SNOW.................................................. 38 PARKING MACHINE..................................................... 39 TRANSPORTATION.......................................................... 40 LOADING AND UNLOADING............................................... 40 SHIPPING THE MACHINE................................................ 40 BATTERY................................................................. 41 BATTERY HAZARD PREVENTION........................................... 41 STARTING ENGINE WITH BOOSTER CABLES................................. 42 TOWING.................................................................. 43 SAFETY RULES FOR TOWING............................................. 43 LIFTING OBJECTS WITH BUCKET............................................. 44 SAFETY RULES FOR LIFTING OBJECTS.................................... 44 SAFETY MAINTENANCE INFORMATION.............................................. 45 WARING TAG.............................................................. 45 KEEP WORK PLACE CLEAN AND TIDY.......................................... 45 APPOINT LEADER WHEN WORKING WITH OTHERS................................. 45 STOP ENGINE BEFORE CARRYING OUT MAINTENANCE............................. 45 TWO WORKERS FOR MAINTENANCE WHEN ENGINE IS RUNNING...................... 46 PROPER TOOLS............................................................ 47 PERSONNEL............................................................... 47 ATTACHMENTS............................................................. 47 WORK UNDER THE MACHINE.................................................. 47 NOISE................................................................... 47 WHEN USING HAMMER....................................................... 48 WELDING WORKS........................................................... 48 REMOVING BATTERY TERMINALS.............................................. 48 SAFETY FIRST WHEN USING HIGH-PRESSURE GREASE TO ADJUST TRACK TENSION.... 48 DO NOT DISASSEMBLE RECOIL SPRINGS....................................... 48 SAFETY RULES FOR HIGH-PRESSURE OIL...................................... 49 SAFETY HANDLING HIGH-PRESSURE HOSES..................................... 49 WASTE MATERIALS......................................................... 49 AIR CONDITIONER MAINTENANCE............................................. 49 COMPRESSED AIR.......................................................... 50 PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS........................... 50 OPERATION....................................................................... 51 MACHINE VIEW ILLUSTRATIONS.................................................. 52 OVERALL MACHINE VIEW.................................................... 52 CONTROLS AND GAUGES..................................................... 53 DETAILED CONTROLS AND GAUGES................................................ 54 MONITORING SYSTEM....................................................... 54 SWITCHES................................................................ 65 CONTROL LEVERS AND PEDALS............................................... 70 SUN ROOF................................................................ 74 WINDSHIELD.............................................................. 75 SLIDING DOOR............................................................ 80 EMERGENCY ESCAPE HAMMER................................................. 81 CAP WITH LOCK........................................................... 82 ENGINE HOOD............................................................. 83 MUD COVER............................................................... 84 BATTERY INSPECTION COVER................................................ 85 FUSE.................................................................... 86 FUSIBLELINK............................................................. 87 AUXILIARY ELECTRIC POWER................................................ 87 CONTROLLERS............................................................. 87 HEATER AND DEFROSTAR CONTROLS........................................... 88 AIR CONDITIONER CONTROLS................................................ 93 RADIO................................................................... 99 OPERATION MANUAL STORAGE................................................104 TOOL BOX................................................................104 GREASE PUMP HOLDER......................................................104 ASHTRAY.................................................................104 FIRE EXTINGUISHER.......................................................105 MACHINE OPERATIONS AND CONTROLS.............................................106 BEFORE STARTING ENGINE..................................................106 STARTING ENGINE.........................................................121 AFTER STARTING ENGINE...................................................125 STOPPING THE ENGINE.....................................................128 CHECK AFTER SHUT OFF ENGINE.............................................128 MACHINE OPERATION.......................................................129 STEERING THE MACHINE....................................................133 SWINGING................................................................135 WORK EQUIPMENT CONTROLS AND OPERATIONS..................................136 WORKING MODE............................................................138 PROHIBITED OPERATIONS...................................................139 GENERAL OPERATION INFORMATION...........................................141 TRAVELING ON SLOPES.....................................................143 ESCAPE FROM MUD.........................................................145 RECOMMENDED APPLICATIONS................................................146 BUCKET REPLACEMENT AND INVERSION........................................148 PARKING MACHINE.........................................................150 MACHINE INSPECTION AFTER DAILY WORK.....................................151 LOCKING.................................................................151 ROAD LINERS AND RUBBER SHOES............................................152 TRANSPORTATION..............................................................157 TRANSPORTATION PROCEDURE................................................157 LOADING AND UNLOADING WITH TRAILER......................................157 LIFTING MACHINE.........................................................163 COLD WEATHER OPERATION......................................................165 COLD WEATHER OPERATION INFORMATION......................................165 AFTER DAILY WORK COMPLETION.............................................167 AFTER COLD WEATHER SEASON...............................................167 LONG TERM STORAGE...........................................................168 BEFORE STORAGE..........................................................168 DURING STORAGE..........................................................168 AFTER STORAGE...........................................................168 TROUBLES AND ACTIONS........................................................169 RUNNING OUT OF FUEL.....................................................169 PHENOMENA THAT ARE NOT FAILURES.........................................169 TOWING THE MACHINE......................................................169 SEVERE JOB CONDITION....................................................170 DISCHARGED BATTERY......................................................170 HOW TO LOWER WORK EQUIPMENT WHEN ENGINE STOPS DUE TO ABNORMALITY........174 OTHER TROUBLE...........................................................175 MAINTENANCE.....................................................................180 MAINTENANCE INFORMATION.....................................................181 LUBRICANTS, COOLANT AND FILTERS.............................................183 HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC..................183 ELECTRIC SYSTEM MAINTENANCE.............................................186 WEAR PARTS..................................................................187 WEAR PARTS LIST.........................................................187 LUBRICANTS, FUEL AND COOLANT SPECIFICATIONS.................................188 PROPER SELECTION........................................................188 TIGHTENING TORQUE SPECIFICATIONS............................................192 TIGHTENING TORQUE LIST..................................................192 SAFETY CRITICAL PARTS.......................................................193 SAFETY CRITICAL PARTS LIST..............................................193 MAINTENANCE SCHEDULE........................................................194 MAINTENANCE SCHEDULE CHART..............................................194 MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER..............................195 MAINTENANCE PROCEDURE.......................................................196 INITIAL 250 HOURS MAINTENANCE (ONLY AFTER THE FIRST 250 HOURS)..........196 WHEN REQUIRED...........................................................197 AIR CLEANER ELEMENT-CHECK/CLEAN/REPLACE.............................197 COOLING SYSTEM COOLANT-CLEAN/CHANGE.................................201 WATER SEPARATOR ELEMENT-REPLACE.....................................203 FUEL TANK-CLEAN.....................................................204 TRACK SHOE BOLTS-CHECK/TIGHTEN......................................205 TRACK TENSION-CHECK/ADJUST..........................................206 ROAD LINERS OR RUBBER SHOES-CHECK...................................208 RUBBER SHOE TENSION-CHECK/ADJUST....................................210 ROAD LINERS-REPLACE.................................................211 RUBBER SHOES-REPLACE................................................212 STEEL SHOES OR ROAD LINERS TO RUBBER SHOES-CHANGE...................214 BUCKET TEETH(VERTICAL PIN TYPE)-REPLACE.............................215 BUCKET TEETH(HORIZONTAL PIN TYPE)-REPLACE...........................218 BUCKET CLEARANCE-ADJUST.............................................219 WINDSHIELD WASHER FLUID LEVEL-CHECK/ADD.............................220 AIR CONDITIONER-CHECK/MAINTENANCE...................................221 CAB SLIDE DOOR RAIL AND ROLLER-CHECK/CLEAN/LUBRICATE................222 BREAKER CIRCUIT ADDITIONAL OIL FILTER ELEMENT-REPLACE...............223 WASH WASHABLE FLOOR.................................................224 HYDRAULIC SYSTEM-BLEED AIR..........................................225 CHECK BEFORE STARTING...................................................228 EVERY 50 HOURS MAINTENANCE..............................................229 FUEL TANK-DRAIN.....................................................229 EVERY 100 HOURS MAINTENANCE.............................................230 LUBRICATING.........................................................230 EVERY 250 HOURS MAINTENANCE.............................................231 LUBRICATING.........................................................231 FINAL DRIVE CASE OIL LEVEL-CHECK/ADD................................233 BATTERY ELECTROLYTE LEVEL-CHECK.....................................234 COOLING FAN BELT TENSION-INSPECT/ADJUST.............................236 AIR CONDITIONER COMPRESSOR BELT TENSION-INSPECT/ADJUST..............238 EVERY 500 HOURS MAINTENANCE.............................................239 FUEL FILTER CARTRIDGE-REPLACE.......................................239 CHANGE OIL ENGINE OIL PAN,REPLACE ENGINE OIL FILTER CARTRIDGE.......240 AIR CONDITIONER AIR FILTER(IF EQUIPPED)-CLEAN.......................241 RADIATOR FINS,OIL COOLER FINS,CONDENSOR FINS-CLEAN/REPLACE..........243 SWING CIRCLE-LUBRICATE..............................................245 SWING PINION GEAR OIL LEVEL-CHECK/ADD...............................245 EVERY 1000 HOURS MAINTENANCE............................................246 HYDRAULIC FILTER ELEMENT-REPLACE....................................246 SWING MACHINERY CASE OIL-CHANGE.....................................248 FINAL DRIVE CASE OIL-CHANGE.........................................249 EVERY 2000 HOURS MAINTENANCE............................................250 PTO GEAR CASE OIL LEVEL-CHECK/ADD...................................250 ALTERNATOR AND STARTING MOTOR-INSPECT...............................250 ENGINE VALVE CLEARANCES-INSPECT.....................................250 EVERY 4000 HOURS MAINTENANCE............................................251 WATER PUMP-INSPECT..................................................251 EVERY 5000 HOURS MAINTENANCE............................................252 CHANGE OIL IN HYDRAULIC TANK,CLEAN STRAINER.........................252 SPECIFICATIONS..................................................................254 SPECIFICATIONS..............................................................255 ATTACHMENTS, OPTIONS............................................................257 ATTACHMENTS AND OPTIONS-GENERAL INFORMATION.................................258 SAFETY FIRST............................................................258 ATTACHMENT INSTALLATION.................................................259 BUCKET WITH HOOK............................................................260 HOOK CONDITION..........................................................260 PROHIBITED OPERATIONS...................................................260 MACHINE READY FOR ATTACHMENT................................................261 LOCATIONS...............................................................261 HYDRAULIC CIRCUIT.......................................................263 ATTACHMENT OPERATIONS...................................................264 LONG TERM STORAGE.......................................................266 SPECIFICATIONS..........................................................266 CHANGING MACHINE CONTROL PATTERN (IF PATTERN CHANGE VALVE EQUIPPED) ........267 CONTROL PATTERN CHANGE PROCEDURE........................................267 MACHINE CONTROL PATTERNS................................................268 ATTACHMENT GUIDE............................................................269 OTHER ATTACHMENTS.......................................................269 ATTACHMENT COMBINATIONS.................................................270 RECOMMENDED ATTACHMENT OPERATIONS...........................................271 HYDRAULIC BREAKER.......................................................271 INDEX...........................................................................276
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
