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Komatsu Pc340Lc-7K, Pc340Nlc-7K Hydraulic Excavator Operation & Maintenance Manual SN K40001 And Up – PDF DOWNLOAD
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- Komatsu Pc340Lc-7K, Pc340Nlc-7K Hydraulic Excavator Operation & Maintenance Manual
- PUBLICATION NUMBER:UEAM001500
- SERIAL NUMBER
PC340LC-7K – K40001 and up
PC340NLC-7K – K40001 and up
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Description
Komatsu Pc340Lc-7K, Pc340Nlc-7K Hydraulic Excavator Operation & Maintenance Manual
DESCRIPTION:
Komatsu Pc340Lc-7K, Pc340Nlc-7K 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.
KOMATSU PC340LC-7K, PC340NLC-7K HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL SN K40001 AND UP – PDF DOWNLOAD:
IMAGES PREVIEW OF THE MANUAL:
TABLE OF CONTENTS:
Komatsu Pc340Lc-7K, Pc340Nlc-7K Hydraulic Excavator Operation & Maintenance Manual
MAIN MENU............................................................................. 0 COVER................................................................................. 1 FOREWORD.............................................................................. 3 FOREWORD.......................................................................... 4 SAFETY INFORMATION................................................................ 5 NOISE......................................................................... 7 VIBRATION..................................................................... 7 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 TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR..................................... 10 MACHINE SERIAL PLATE.......................................................... 11 CONTENTS.......................................................................... 12 SAFETY................................................................................ 17 SAFETY INFORMATION................................................................ 18 POSITION FOR ATTACHING SAFETY LABELS.............................................. 20 POSITION FOR ATTACHING SAFETY LABELS.......................................... 20 SAFETY LABELS................................................................. 21 SAFETY INFORMATION................................................................ 28 SAFETY RULES.................................................................. 28 IF ABNORMALITIES ARE FOUND.................................................... 28 WORKING WEAR AND PERSONAL PROTECTIVE ITEMS.................................... 28 FIRE EXTINGUISHER AND FIRST AID KIT........................................... 28 SAFETY EQUIPMENT.............................................................. 29 KEEP MACHINE CLEAN............................................................ 29 KEEP OPERATOR'S COMPARTMENT CLEAN............................................. 29 LEAVING OPERATOR'S SEAT WITH LOCK............................................. 29 HANDRAILS AND STEPS........................................................... 30 MOUNTING AND DISMOUNTING...................................................... 31 NO PERSONS ON ATTACHMENTS..................................................... 31 BURN PREVENTION............................................................... 31 FIRE PREVENTION AND EXPLOSION PREVENTION...................................... 32 ACTION IF FIRE OCCURS......................................................... 33 WINDSHIELD WASHER FLUID....................................................... 33 FALLING OBJECTS, FLYING OBJECTS AND INTRUDING OBJECTS PREVENTION.............. 33 ATTACHMENT INSTALLATION....................................................... 33 ATTACHMENT COMBINATIONS....................................................... 34 CAB WIDOW GLASSES............................................................. 34 UNAUTHORIZED MODIFICATIONS.................................................... 34 SAFETY AT JOBSITE............................................................. 34 WORKING ON LOOSE GROUND....................................................... 34 DISTANCE TO HIGH VOLTAGE CABLES............................................... 35 ENSURE GOOD VISIBILITY........................................................ 35 VENTILATION FOR ENCLOSED AREA................................................. 36 SIGNALMAN'S SIGNAL AND SIGNS.................................................. 36 EMERGENCY EXIT FROM OPERATOR'S CAB............................................ 36 ELECTROMAGNETIC INTERFERENCE.................................................. 36 ASBESTOS DUST HAZARD PREVENTION............................................... 37 SAFETY MACHINE OPERATION.......................................................... 38 STARTING ENGINE............................................................... 38 CHECKS BEFORE STARTING ENGINE............................................. 38 SAFETY RULES FOR STARTING ENGINE.......................................... 39 STARTING ENGINE IN COLD WEATHER........................................... 39 OPERATION..................................................................... 40 CHECKS AFTER STARTING ENGINE.............................................. 40 SAFETY RULES FOR CHANGING MACHINE DIRECTIONS.............................. 40 SAFETY RULES FOR TRAVELLING............................................... 41 TRAVELLING ON SLOPES...................................................... 42 OPERATIONS ON SLOPES...................................................... 43 PROHIBITED OPERATIONS..................................................... 43 OPERATIONS ON SNOW........................................................ 45 PARKING MACHINE........................................................... 45 TRANSPORTATION................................................................ 46 SHIPPING THE MACHINE...................................................... 46 BATTERY....................................................................... 47 BATTERY HAZARD PREVENTION................................................. 47 STARTING ENGINE WITH BOOSTER CABLES....................................... 48 TOWING........................................................................ 49 SAFETY RULES FOR TOWING................................................... 49 LIFTING OBJECTS WITH BUCKET................................................... 50 SAFETY RULES FOR LIFTING OBJECTS.......................................... 50 SAFETY MAINTENANCE INFORMATION.................................................... 51 WARNING TAG................................................................... 51 KEEP WORK PLACE CLEAN AND TIDY................................................ 51 APPOINT LEADER WHEN WORKING WITH OTHERS....................................... 51 STOP ENGINE BEFORE CARRYING OUT MAINTENANCE................................... 52 TWO WORKERS FOR MAINTENANCE WHEN ENGINE IS RUNNING............................ 53 PROPER TOOLS.................................................................. 53 ACCUMULATOR................................................................... 54 PERSONNEL..................................................................... 54 ATTACHMENTS................................................................... 54 WORK UNDER THE MACHINE........................................................ 54 NOISE......................................................................... 55 WHEN USING HAMMER............................................................. 55 WELDING WORKS................................................................. 55 REMOVING BATTERY TERMINALS.................................................... 55 SAFETY FIRST WHEN USING HIGH-PRESSURE GREASE TO ADJUST TRACK TENSION.......... 56 DO NOT DISASSEMBLE RECOIL SPRINGS............................................. 56 SAFETY RULES FOR HIGH-PRESSURE OIL............................................ 56 SAFETY HANDLING HIGH-PRESSURE HOSES........................................... 57 WASTE MATERIALS............................................................... 57 AIR CONDITIONER MAINTENANCE................................................... 57 COMPRESSED AIR................................................................ 57 PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS................................. 58 OPERATION............................................................................. 61 GENERAL VIEW...................................................................... 62 GENERAL VIEW OF MACHINE....................................................... 62 GENERAL VIEW CONTROLS AND GAUGES.............................................. 63 EXPLANATION OF COMPONENTS......................................................... 64 MACHINE MONITOR............................................................... 64 BASIC CHECK ITEMS............................................................. 67 SWITCHES...................................................................... 89 CONTROL LEVERS, PEDALS........................................................ 96 CEILING WINDOW................................................................ 99 FRONT WINDOW..................................................................100 EMERGENCY EXIT FROM OPERATOR'S CAB............................................105 DOOR LOCK.....................................................................105 CAP, COVER WITH LOCK..........................................................106 HOT AND COOL BOX..............................................................107 CAB RADIO.....................................................................107 MAGAZINE BOX..................................................................107 ASHTRAY.......................................................................108 HANDLING AIR CONDITIONER......................................................109 CAR RADIO.....................................................................122 FUSE..........................................................................123 FUSIBLE LINK..................................................................124 CONTROLLER (COMPUTER).........................................................125 TOOLBOX.......................................................................125 GREASE GUN HOLDER.............................................................125 REFUELLING PUMP...............................................................126 HANDLING THE ACCUMULATOR......................................................126 MACHINE OPERATIONS AND CONTROLS...................................................128 BEFORE STARTING ENGINE........................................................128 STARTING ENGINE...............................................................141 AFTER STARTING ENGINE.........................................................145 IN COLD AREAS (AUTOMATIC WARMING-UP OPERATION)................................149 STOPPING THE ENGINE...........................................................153 CHECK AFTER SHUTTING OFF ENGINE...............................................153 MACHINE OPERATION.............................................................154 STEERING THE MACHINE..........................................................158 SWINGING......................................................................160 WORK EQUIPMENT CONTROLS AND OPERATIONS........................................161 OPERATING WORKING MODE........................................................162 PROHIBITED OPERATIONS.........................................................163 GENERAL OPERATION INFORMATION.................................................165 TRAVELLING ON SLOPES..........................................................166 ESCAPE FROM MUD...............................................................168 RECOMMENDED APPLICATIONS......................................................169 REPLACEMENT AND INVERSION OF BUCKET...........................................171 PARKING MACHINE...............................................................174 CHECK AFTER FINISHING WORK....................................................175 LOCKING.......................................................................176 TRANSPORTATION....................................................................177 TRANSPORTATION PROCEDURE......................................................177 LOADING AND UNLOADING WITH TRAILER............................................178 LOADING...................................................................179 SECURING MACHINE..........................................................181 UNLOADING.................................................................183 LIFTING MACHINE...............................................................185 STANDARD SPECIFICATION MACHINE............................................185 COLD WEATHER OPERATION............................................................187 COLD WEATHER OPERATION INFORMATION............................................187 FUEL AND LUBRICANTS.......................................................187 COOLING SYSTEM COOLANT....................................................187 BATTERY...................................................................188 AFTER DAILY WORK COMPLETION...................................................189 AFTER COLD WEATHER SEASON.....................................................190 LONG TERM STORAGE.................................................................191 BEFORE STORAGE................................................................191 DURING STORAGE................................................................191 AFTER STORAGE.................................................................192 STARTING MACHINE AFTER LONG-TERM STORAGE..................................192 TROUBLESHOOTING...................................................................193 AFTER RUNNING OUT OF FUEL.....................................................193 PHENOMENA THAT ARE NOT FAILURES...............................................193 TOWING THE MACHINE............................................................194 LIGHTWEIGHT TOWING HOOK.......................................................194 PRECAUTIONS ON PARTICULAR JOBSITES............................................195 DISCHARGED BATTERY............................................................196 REMOVAL AND INSTALLATION OF BATTERY.......................................197 BATTERY CHARGES...........................................................197 STARTING ENGINE WITH BOOSTER CABLES.......................................198 OTHER TROUBLE.................................................................200 ELECTRICAL SYSTEM.........................................................200 CHASSIS...................................................................201 ENGINE....................................................................202 ELECTRONIC CONTROL SYSTEM.................................................204 MAINTENANCE...........................................................................207 MAINTENANCE INFORMATION...........................................................208 SERVICE METER READING.........................................................208 KOMATSU GENUINE REPLACEMENT PARTS.............................................208 KOMATSU GENUINE LUBRICANTS....................................................208 WINDSHIELD WASHER FLUID.......................................................208 FRESH AND CLEAN LUBRICANTS....................................................208 CHECK DRAINED OIL AND USED FILTER.............................................208 FUEL STRAINER.................................................................208 WELDING INSTRUCTIONS..........................................................208 DO NOT DROP THINGS INSIDE MACHINE.............................................209 DUSTY JOBSITE.................................................................209 AVOID MIXING LUBRICANTS.......................................................209 LOCKING THE INSPECTION COVERS.................................................209 HYDRAULIC SYSTEM - AIR BLEEDING...............................................209 HYDRAULIC HOSE INSTALLATION...................................................210 CHECKS AFTER INSPECTION AND MAINTENANCE WORKS.................................210 SELECTING FUEL AND LUBRICANTS TO MATCH AMBIENT TEMPERATURE....................210 LUBRICANTS, COOLANT AND FILTERS...................................................211 HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC........................211 OIL.......................................................................211 FUEL......................................................................211 COOLING SYSTEM COOLANT....................................................212 GREASE....................................................................212 CARRYING OUT KOWA (Komatsu Oil Wear Analysis).............................213 OIL AND FUEL STORAGE......................................................213 FILTERS...................................................................214 EXPLANATION OF LUBRICATION CHART DECAL........................................215 ELECTRIC SYSTEM MAINTENANCE...................................................216 HANDLING HYDRAULIC SYSTEM.....................................................217 WEAR PARTS LIST...................................................................218 USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE..............219 PROPER SELECTION OF FUEL, COOLANT AND LUBRICANTS..............................219 TIGHTENING TORQUE SPECIFICATIONS..................................................222 TIGHTENING TORQUE LIST........................................................222 PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS.....................................223 SAFETY CRITICAL PARTS.........................................................223 MAINTENANCE SCHEDULE..............................................................224 MAINTENANCE SCHEDULE CHART....................................................224 Initial 250 Hours Maintenance (Only after the first 250 hours)............224 Initial 1000 Hours Maintenance (Only after the first 1000 hours)..........224 When Required.............................................................224 Checks Before Starting....................................................224 Every 100 Hours Maintenance...............................................225 Every 250 Hours Maintenance...............................................225 Every 500 Hours Maintenance...............................................225 Every 1000 Hours Maintenance..............................................225 Every 2000 Hours Maintenance..............................................226 Every 4000 Hours Maintenance..............................................226 Every 5000 Hours Maintenance..............................................226 MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER....................................227 REPLACING HYDRAULIC ELEMENT...............................................227 CHANGING OIL IN HYDRAULIC TANK............................................227 REPLACING ADDITIONAL FILTER ELEMENT FOR BREAKER...........................227 MAINTENANCE PROCEDURE.............................................................228 INITIAL 250 HOURS MAINTENANCE (ONLY AFTER THE FIRST 250 HOURS)................228 REPLACE FUEL FILTER CARTRIDGE.............................................262 INITIAL 1000 HOURS MAINTENANCE (ONLY AFTER THE FIRST 1000 HOURS)..............228 CHECK ENGINE VALVE CLEARANCE, ADJUST......................................274 WHEN REQUIRED.................................................................229 CHECK, CLEAN AND REPLACE AIR CLEANER ELEMENT..............................229 CLEAN INSIDE OF COOLING SYSTEM............................................234 CHECK AND TIGHTEN TRACK SHOE BOLTS........................................237 CHECK AND ADJUST TRACK TENSION............................................238 CHECK ELECTRICAL INTAKE AIR HEATER........................................240 REPLACE BUCKET TEETH......................................................241 ADJUST BUCKET CLEARANCE...................................................241 CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID................................243 CHECK AND ADJUST AIR CONDITIONER (IF EQUIPPED)............................244 WASHING WASHABLE FLOOR....................................................245 METHOD OF SETTING MACHINE ANGLE...........................................247 BLEEDING AIR FROM HYDRAULIC SYSTEM........................................248 METHOD FOR RELEASING INTERNAL PRESSURE IN HYDRAULIC CIRCUIT...............250 CHECK BEFORE STARTING.........................................................251 EVERY 100 HOURS MAINTENANCE...................................................251 LUBRICATING...............................................................251 EVERY 250 HOURS MAINTENANCE...................................................253 CHECK OIL LEVEL IN MACHINERY CASE, ADD OIL................................253 LUBRICATING...............................................................253 CHECK OIL LEVEL IN FINAL DRIVE CASE, ADD OIL..............................255 CHECK LEVEL OF BATTERY ELECTROLYTE........................................256 LUBRICATE SWING CIRCLE (2 POINTS).........................................258 CHECK, ADJUST TENSION OF AIR CONDITIONER COMPRESSOR BELT..................259 EVERY 500 HOURS MAINTENANCE...................................................260 LUBRICATING...............................................................260 CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE.........262 REPLACE FUEL FILTER CARTRIDGE.............................................263 CHECK SWING PINION GREASE LEVEL, ADD GREASE...............................264 CLEAN AND INSPECT RADIATOR FINS, OIL COOLER FINS AND CONDENSER FINS.......264 CLEAN INTERNAL AND EXTERNAL AIR FILTERS OF AIR CONDITIONER SYSTEM.........265 REPLACE BREATHER ELEMENT IN HYDRAULIC TANK................................266 EVERY 1000 HOURS MAINTENANCE..................................................268 REPLACE HYDRAULIC FILTER ELEMENT..........................................268 CHANGE OIL IN SWING MACHINERY CASE........................................269 CHECK OIL LEVEL IN DAMPER CASE, ADD OIL...................................270 CHECK ALL TIGHTENING PARTS OF TURBOCHARGER................................270 CHECK PLAY OF TURBOCHARGER ROTOR..........................................270 REPLACE CORROSION RESISTOR CARTRIDGE......................................270 CHECK FAN BELT TENSION AND REPLACE FAN BELT...............................271 EVERY 2000 HOURS MAINTENANCE..................................................272 CHANGE OIL IN FINAL DRIVE CASE............................................272 CLEAN HYDRAULIC TANK STRAINER.............................................273 CLEAN ENGINE BREATHER.....................................................273 CLEAN, CHECK TURBOCHARGER.................................................274 CHECK ALTERNATOR, STARTING MOTOR..........................................274 CHECK ENGINE VALVE CLEARANCE, ADJUST......................................274 CHECK VIBRATION DAMPER....................................................274 EVERY 4000 HOURS MAINTENANCE..................................................275 CHECK WATER PUMP..........................................................275 EVERY 5000 HOURS MAINTENANCE..................................................276 CHANGE OIL IN HYDRAULIC TANK..............................................276 SPECIFICATIONS........................................................................277 SPECIFICATIONS....................................................................278 EXPLANATION OF LIFTING CAPACITY CHART.........................................280 ATTACHMENTS AND OPTIONS...............................................................283 GENERAL PRECAUTIONS...............................................................284 PRECAUTIONS RELATED TO SAFETY.................................................284 PRECAUTIONS WHEN INSTALLING ATTACHMENTS.......................................286 HANDLING BUCKET WITH HOOK.........................................................287 CHECKING FOR DAMAGE TO BUCKET WITH HOOK.......................................287 PROHIBITED OPERATIONS.........................................................287 PRECAUTIONS DURING OPERATIONS.............................................287 MACHINES READY FOR ATTACHMENTS....................................................288 EXPLANATION OF COMPONENTS.....................................................288 STOP VALVE................................................................288 SELECTOR VALVE............................................................289 ATTACHMENT CONTROL PEDAL..................................................289 LOCK PIN..................................................................289 ADDITIONAL FILTER FOR BREAKER.............................................290 ACCUMULATOR...............................................................290 HYDRAULIC CIRCUIT.............................................................291 SWITCHING HYDRAULIC CIRCUIT...............................................291 ADJUSTING OIL FLOW........................................................291 SWITCHING BETWEEN BREAKER AND GENERAL ATTACHMENT..........................291 HYDRAULIC CIRCUIT CONNECTION..............................................292 PATH OF OIL...............................................................292 REPLACE ADDITIONAL BREAKER FILTER ELEMENT.................................293 ATTACHMENT MOUNTING/DISMOUNTING PROCEDURE.....................................294 OPERATION.....................................................................296 LONG-TERM STORAGE.............................................................298 SPECIFICATIONS................................................................298 ATTACHMENT GUIDE..................................................................299 COMBINATIONS OF WORK EQUIPMENT................................................299 SELECTION OF TRACK SHOES......................................................301 METHOD OF SELECTING SHOES.................................................301 SELECTION OF BUCKET TEETH.....................................................302 METHOD OF SELECTING TEETH.................................................302 Use of vertical pin teeth.................................................302 Use of horizontal pin teeth...............................................302 Use of long-life teeth....................................................302 Self-sharpening teeth (both vertical pin type and horizontal pin type)....302 STANDARDS FOR SELECTING VERTICAL PIN TYPE AND HORIZONTAL PIN TYPE TEETH.......302 HANDLING OF RUBBER PAD SHOE AND ROAD LINER....................................303 WORKING ENVIRONMENT.......................................................303 WORKING CONDITIONS........................................................303 STORAGE AND MAINTENANCE...................................................304 EXTENT OF DAMAGE TO RUBBER................................................304 CHECK ROAD LINER (MACHINES EQUIPPED WITH ROAD LINER)......................304 HANDLING TRAPEZOIDAL BUCKET...................................................305 HOW TO PERFORM EXCAVATION.................................................305 HANDLING EXTENSION ARM........................................................306 HANDLING CLAMSHELL BUCKET.....................................................307 PRECAUTIONS WHEN USING....................................................307 LUBRICATING...............................................................307 RECOMMENDED ATTACHMENT OPERATIONS.................................................308 HYDRAULIC BREAKER.............................................................308 MAIN APPLICATIONS.........................................................308 PROHIBITED WORKS..........................................................310 GREASING POSITION FOR HYDRAULIC BREAKER...................................312
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