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Komatsu PC340LC-7K PC340NLC-7K Hydraulic Excavator Operation & Maintenance Manual – PDF Download
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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
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 while operating or performing 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 a hazard when performing operation and maintenance.
Table of Contents:
Komatsu PC340LC-7K PC340NLC-7K Hydraulic Excavator Operation & Maintenance Manual
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 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 WINDOW 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................................................................................................... 39 CHECKS AFTER STARTING ENGINE............................................................................ 39 SAFETY RULES FOR CHANGING MACHINE DIRECTIONS............................................................ 40 SAFETY RULES FOR TRAVELLING............................................................................. 40 TRAVELLING ON SLOPES.................................................................................... 41 OPERATIONS ON SLOPES.................................................................................... 42 PROHIBITED OPERATIONS................................................................................... 42 OPERATIONS ON SNOW...................................................................................... 44 PARKING MACHINE......................................................................................... 44 TRANSPORTATION.............................................................................................. 45 SHIPPING THE MACHINE.................................................................................... 45 BATTERY..................................................................................................... 45 BATTERY HAZARD PREVENTION............................................................................... 45 STARTING ENGINE WITH BOOSTER CABLES..................................................................... 46 TOWING...................................................................................................... 47 SAFETY RULES FOR TOWING................................................................................. 47 LIFTING OBJECTS WITH BUCKET................................................................................. 48 SAFETY RULES FOR LIFTING OBJECTS........................................................................ 48 SAFETY MAINTENANCE INFORMATION.................................................................................. 49 WARNING TAG................................................................................................. 49 KEEP WORK PLACE CLEAN AND TIDY.............................................................................. 49 APPOINT LEADER WHEN WORKING WITH OTHERS..................................................................... 49 STOP ENGINE BEFORE CARRYING OUT MAINTENANCE................................................................. 50 TWO WORKERS FOR MAINTENANCE WHEN ENGINE IS RUNNING.......................................................... 51 PROPER TOOLS................................................................................................ 51 ACCUMULATOR................................................................................................. 52 PERSONNEL................................................................................................... 52 ATTACHMENTS................................................................................................. 52 WORK UNDER THE MACHINE...................................................................................... 52 NOISE....................................................................................................... 53 WHEN USING HAMMER........................................................................................... 53 WELDING WORKS............................................................................................... 53 REMOVING BATTERY TERMINALS.................................................................................. 53 SAFETY FIRST WHEN USING HIGH-PRESSURE GREASE TO ADJUST TRACK TENSION........................................ 54 DO NOT DISASSEMBLE RECOIL SPRINGS........................................................................... 54 SAFETY RULES FOR HIGH-PRESSURE OIL.......................................................................... 54 SAFETY HANDLING HIGH-PRESSURE HOSES......................................................................... 55 WASTE MATERIALS............................................................................................. 55 AIR CONDITIONER MAINTENANCE................................................................................. 55 COMPRESSED AIR.............................................................................................. 55 PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS............................................................... 56 OPERATION........................................................................................................... 57 GENERAL VIEW.................................................................................................... 58 GENERAL VIEW OF MACHINE..................................................................................... 58 GENERAL VIEW CONTROLS AND GAUGES............................................................................ 59 EXPLANATION OF COMPONENTS....................................................................................... 60 MACHINE MONITOR............................................................................................. 60 BASIC OPERATION OF MACHINE MONITOR...................................................................... 61 BASIC CHECK ITEMS........................................................................................... 63 CAUTION ITEMS........................................................................................... 65 EMERGENCY STOP ITEMS.................................................................................... 68 METER DISPLAY PORTION................................................................................... 70 MONITOR SWITCHES........................................................................................ 74 WORKING MODE SELECTOR SWITCH (BASIC SWITCH)............................................................. 75 AUTO-DECELERATION SWITCH................................................................................ 76 TRAVEL SPEED SELECTOR SWITCH............................................................................ 77 WIPER SWITCH............................................................................................ 78 WINDOW WASHER SWITCH.................................................................................... 78 MAINTENANCE SWITCH...................................................................................... 79 SELECT SWITCH........................................................................................... 81 BACK SWITCH............................................................................................. 82 UP SWITCH, DOWN SWITCH.................................................................................. 82 INPUT CONFIRMATION SWITCH............................................................................... 82 LIQUID CRYSTAL MONITOR ADJUSTMENT SWITCH................................................................ 83 SWITCHES.................................................................................................... 85 STARTING SWITCH......................................................................................... 85 FUEL CONTROL DIAL....................................................................................... 86 CIGARETTE LIGHTER....................................................................................... 86 SWING LOCK SWITCH....................................................................................... 87 LAMP SWITCH............................................................................................. 87 ALARM BUZZER STOP SWITCH................................................................................ 87 MACHINE PUSH-UP SWITCH.................................................................................. 88 HORN SWITCH............................................................................................. 88 KNOB SWITCH............................................................................................. 88 ROOM LAMP SWITCH........................................................................................ 89 EMERGENCY PUMP DRIVE SWITCH............................................................................. 89 SWING BRAKE CANCEL SWITCH............................................................................... 89 EMERGENCY FUEL SOLENOID DRIVE SWITCH.................................................................... 90 LOWER WIPER SWITCH...................................................................................... 90 REVOLVING WARNING LAMP SWITCH........................................................................... 90 HEATED OPERATOR SEAT SWITCH............................................................................. 91 CONTROL LEVERS, PEDALS...................................................................................... 92 SAFETY LOCK LEVER....................................................................................... 92 TRAVEL LEVERS........................................................................................... 93 WORK EQUIPMENT CONTROL LEVER............................................................................ 94 CEILING WINDOW.............................................................................................. 95 FRONT WINDOW................................................................................................ 96 EMERGENCY EXIT FROM OPERATOR'S CAB..........................................................................101 DOOR LOCK...................................................................................................101 CAP, COVER WITH LOCK........................................................................................102 METHOD OF OPENING AND CLOSING CAP WITH LOCK.............................................................102 METHOD OF OPENING AND CLOSING COVER WITH LOCK...........................................................102 HOT AND COOL BOX............................................................................................103 CAB RADIO...................................................................................................103 MAGAZINE BOX................................................................................................103 ASHTRAY.....................................................................................................104 HANDLING AIR CONDITIONER....................................................................................105 GENERAL LOCATIONS OF CONTROL PANEL......................................................................105 METHOD OF OPERATION.....................................................................................109 PRECAUTIONS WHEN USING AIR CONDITIONER..................................................................116 CHECK, MAINTAIN MACHINE EQUIPPED WITH AIR CONDITIONER...................................................116 OTHER FUNCTIONS.........................................................................................117 CAR RADIO...................................................................................................118 FUSE........................................................................................................119 FUSE CAPACITIES AND CIRCUIT NAMES.......................................................................120 FUSIBLE LINK................................................................................................120 CONTROLLER (COMPUTER).......................................................................................121 TOOLBOX.....................................................................................................121 GREASE GUN HOLDER...........................................................................................121 REFUELLING PUMP.............................................................................................122 HANDLING THE ACCUMULATOR....................................................................................122 RELEASING PRESSURE IN CONTROL CIRCUIT ON MACHINE EQUIPPED WITH ACCUMULATOR..............................123 MACHINE OPERATIONS AND CONTROLS.................................................................................124 BEFORE STARTING ENGINE......................................................................................124 WALK-AROUND CHECKS......................................................................................124 CHECKS BEFORE STARTING..................................................................................125 ADJUST BEFORE OPERATION.................................................................................130 SEAT BELT...............................................................................................133 OPERATIONS BEFORE STARTING ENGINE.......................................................................134 STARTING ENGINE.............................................................................................137 NORMAL STARTING.........................................................................................137 STARTING ENGINE IN COLD WEATHER.........................................................................138 AFTER STARTING ENGINE.......................................................................................141 BREAKING-IN THE NEW MACHINE.............................................................................141 WARMING-UP OPERATION....................................................................................142 IN COLD AREAS (AUTOMATIC WARMING-UP OPERATION)..............................................................145 STOPPING THE ENGINE.........................................................................................150 CHECK AFTER SHUTTING OFF ENGINE.............................................................................150 MACHINE OPERATION...........................................................................................151 PREPARATIONS FOR MOVING THE MACHINE OFF.................................................................151 MOVING MACHINE FORWARD..................................................................................152 MOVING MACHINE BACKWARD.................................................................................153 STOPPING MACHINE........................................................................................154 STEERING THE MACHINE........................................................................................155 Steering................................................................................................155 SWINGING....................................................................................................157 WORK EQUIPMENT CONTROLS AND OPERATIONS......................................................................158 OPERATING WORKING MODE......................................................................................159 PROHIBITED OPERATIONS.......................................................................................160 OPERATIONS USING SWING FORCE............................................................................160 OPERATIONS USING TRAVEL FORCE...........................................................................160 OPERATIONS USING HYDRAULIC CYLINDER STROKE ENDS.........................................................160 OPERATIONS USING BUCKET DROPPING FORCE..................................................................161 OPERATIONS USING MACHINE DROPPING FORCE.................................................................161 DIGGING HARD ROCKY GROUND...............................................................................161 SUDDEN LEVER SHIFTING HIGH SPEED TRAVEL.................................................................161 GENERAL OPERATION INFORMATION...............................................................................162 TRAVELLING..............................................................................................162 HIGH SPEED TRAVEL.......................................................................................162 PERMISSIBLE WATER DEPTH.................................................................................162 TRAVELLING ON SLOPES........................................................................................163 TRAVELLING DOWNHILL.....................................................................................164 ENGINE STOPPED ON SLOPE.................................................................................164 PRECAUTIONS ON SLOPES...................................................................................164 ESCAPE FROM MUD.............................................................................................165 STUCK ONE SIDE OF TRACK.................................................................................165 STUCK BOTH SIDES OF TRACKS..............................................................................165 RECOMMENDED APPLICATIONS....................................................................................166 BACKHOE WORK............................................................................................166 SHOVEL WORK.............................................................................................166 DITCHING WORK...........................................................................................166 LOADING WORK............................................................................................167 REPLACEMENT AND INVERSION OF BUCKET.........................................................................168 REPLACEMENT.............................................................................................168 INVERSION...............................................................................................170 PARKING MACHINE.............................................................................................171 CHECK AFTER FINISHING WORK..................................................................................172 LOCKING.....................................................................................................173 TRANSPORTATION..................................................................................................174 TRANSPORTATION PROCEDURE....................................................................................174 LOADING AND UNLOADING WITH TRAILER..........................................................................175 LOADING.................................................................................................176 SECURING MACHINE........................................................................................178 UNLOADING...............................................................................................180 LIFTING MACHINE.............................................................................................182 STANDARD SPECIFICATION MACHINE..........................................................................182 COLD WEATHER OPERATION..........................................................................................184 COLD WEATHER OPERATION INFORMATION..........................................................................184 FUEL AND LUBRICANTS.....................................................................................184 COOLING SYSTEM COOLANT..................................................................................184 BATTERY.................................................................................................185 AFTER DAILY WORK COMPLETION.................................................................................186 AFTER COLD WEATHER SEASON...................................................................................187 LONG TERM STORAGE...............................................................................................188 BEFORE STORAGE..............................................................................................188 DURING STORAGE..............................................................................................188 AFTER STORAGE...............................................................................................189 STARTING MACHINE AFTER LONG-TERM STORAGE................................................................189 TROUBLESHOOTING.................................................................................................190 AFTER RUNNING OUT OF FUEL...................................................................................190 PHENOMENA THAT ARE NOT FAILURES.............................................................................190 TOWING THE MACHINE..........................................................................................191 LIGHTWEIGHT TOWING HOOK.....................................................................................191 PRECAUTIONS ON PARTICULAR JOBSITES..........................................................................192 DISCHARGED BATTERY..........................................................................................193 REMOVAL AND INSTALLATION OF BATTERY.....................................................................194 BATTERY CHARGES.........................................................................................194 STARTING ENGINE WITH BOOSTER CABLES.....................................................................195 OTHER TROUBLE...............................................................................................197 ELECTRICAL SYSTEM.......................................................................................197 CHASSIS.................................................................................................198 ENGINE..................................................................................................199 ELECTRONIC CONTROL SYSTEM...............................................................................201 MAINTENANCE.........................................................................................................205 MAINTENANCE INFORMATION.........................................................................................206 SERVICE METER READING.......................................................................................206 KOMATSU GENUINE REPLACEMENT PARTS...........................................................................206 KOMATSU GENUINE LUBRICANTS..................................................................................206 WINDSHIELD WASHER FLUID.....................................................................................206 FRESH AND CLEAN LUBRICANTS..................................................................................206 CHECK DRAINED OIL AND USED FILTER...........................................................................206 FUEL STRAINER...............................................................................................206 WELDING INSTRUCTIONS........................................................................................206 DO NOT DROP THINGS INSIDE MACHINE...........................................................................207 DUSTY JOBSITE...............................................................................................207 AVOID MIXING LUBRICANTS.....................................................................................207 LOCKING THE INSPECTION COVERS...............................................................................207 HYDRAULIC SYSTEM - AIR BLEEDING.............................................................................207 HYDRAULIC HOSE INSTALLATION.................................................................................208 CHECKS AFTER INSPECTION AND MAINTENANCE WORKS...............................................................208 SELECTING FUEL AND LUBRICANTS TO MATCH AMBIENT TEMPERATURE..................................................208 LUBRICANTS, COOLANT AND FILTERS.................................................................................209 HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC......................................................209 OIL.....................................................................................................209 FUEL....................................................................................................209 COOLING SYSTEM COOLANT..................................................................................210 GREASE..................................................................................................210 CARRYING OUT KOWA (Komatsu Oil Wear Analysis)...........................................................210 OIL AND FUEL STORAGE....................................................................................212 FILTERS.................................................................................................212 EXPLANATION OF LUBRICATION CHART DECAL......................................................................213 ELECTRIC SYSTEM MAINTENANCE.................................................................................215 HANDLING HYDRAULIC SYSTEM...................................................................................215 WEAR PARTS LIST.................................................................................................216 USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE............................................217 PROPER SELECTION OF FUEL, COOLANT AND LUBRICANTS............................................................217 TIGHTENING TORQUE SPECIFICATIONS................................................................................220 TIGHTENING TORQUE LIST......................................................................................220 PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS...................................................................221 SAFETY CRITICAL PARTS.......................................................................................221 MAINTENANCE SCHEDULE............................................................................................222 MAINTENANCE SCHEDULE CHART..................................................................................222 Initial 250 Hours Maintenance (Only after the first 250 hours)..........................................222 Initial 1000 Hours Maintenance (Only after the first 1000 hours)........................................222 When Required...........................................................................................222 Checks Before Starting..................................................................................222 Every 100 Hours Maintenance.............................................................................223 Every 250 Hours Maintenance.............................................................................223 Every 500 Hours Maintenance.............................................................................223 Every 1000 Hours Maintenance............................................................................223 Every 2000 Hours Maintenance............................................................................224 Every 4000 Hours Maintenance............................................................................224 Every 5000 Hours Maintenance............................................................................224 MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER..................................................................225 MAINTENANCE PROCEDURE...........................................................................................226 INITIAL 250 HOURS MAINTENANCE (ONLY AFTER THE FIRST 250 HOURS)..............................................226 INITIAL 1000 HOURS MAINTENANCE (ONLY AFTER THE FIRST 1000 HOURS)............................................226 WHEN REQUIRED...............................................................................................227 CHECK, CLEAN AND REPLACE AIR CLEANER ELEMENT............................................................227 CLEAN INSIDE OF COOLING SYSTEM..........................................................................232 CHECK AND TIGHTEN TRACK SHOE BOLTS......................................................................235 CHECK AND ADJUST TRACK TENSION..........................................................................236 CHECK ELECTRICAL INTAKE AIR HEATER......................................................................238 REPLACE BUCKET TEETH....................................................................................239 ADJUST BUCKET CLEARANCE.................................................................................239 CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID..............................................................241 CHECK AND ADJUST AIR CONDITIONER (IF EQUIPPED)..........................................................242 WASHING WASHABLE FLOOR..................................................................................243 METHOD OF SETTING MACHINE ANGLE.........................................................................245 BLEEDING AIR FROM HYDRAULIC SYSTEM......................................................................246 METHOD FOR RELEASING INTERNAL PRESSURE IN HYDRAULIC CIRCUIT.............................................248 CHECK BEFORE STARTING.......................................................................................249 EVERY 100 HOURS MAINTENANCE.................................................................................250 LUBRICATING.............................................................................................250 EVERY 250 HOURS MAINTENANCE.................................................................................251 CHECK OIL LEVEL IN MACHINERY CASE, ADD OIL..............................................................251 LUBRICATING.............................................................................................251 CHECK OIL LEVEL IN FINAL DRIVE CASE, ADD OIL............................................................253 CHECK LEVEL OF BATTERY ELECTROLYTE......................................................................254 LUBRICATE SWING CIRCLE (2 POINTS).......................................................................256 CHECK, ADJUST TENSION OF AIR CONDITIONER COMPRESSOR BELT................................................257 EVERY 500 HOURS MAINTENANCE.................................................................................258 LUBRICATING.............................................................................................258 CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE.......................................260 REPLACE FUEL FILTER CARTRIDGE...........................................................................261 CHECK SWING PINION GREASE LEVEL, ADD GREASE.............................................................262 CLEAN AND INSPECT RADIATOR FINS, OIL COOLER FINS AND CONDENSER FINS.....................................262 CLEAN INTERNAL AND EXTERNAL AIR FILTERS OF AIR CONDITIONER SYSTEM.......................................263 REPLACE BREATHER ELEMENT IN HYDRAULIC TANK..............................................................264 EVERY 1000 HOURS MAINTENANCE................................................................................265 REPLACE HYDRAULIC FILTER ELEMENT........................................................................265 CHANGE OIL IN SWING MACHINERY CASE......................................................................266 CHECK OIL LEVEL IN DAMPER CASE, ADD OIL.................................................................267 CHECK ALL TIGHTENING PARTS OF TURBOCHARGER..............................................................267 CHECK PLAY OF TURBOCHARGER ROTOR........................................................................267 REPLACE CORROSION RESISTOR CARTRIDGE....................................................................267 CHECK FAN BELT TENSION AND REPLACE FAN BELT.............................................................268 EVERY 2000 HOURS MAINTENANCE................................................................................269 CHANGE OIL IN FINAL DRIVE CASE..........................................................................269 CLEAN HYDRAULIC TANK STRAINER...........................................................................270 CLEAN ENGINE BREATHER...................................................................................270 CLEAN, CHECK TURBOCHARGER...............................................................................271 CHECK ALTERNATOR, STARTING MOTOR........................................................................271 CHECK ENGINE VALVE CLEARANCE, ADJUST....................................................................271 CHECK VIBRATION DAMPER..................................................................................271 EVERY 4000 HOURS MAINTENANCE................................................................................272 CHECK WATER PUMP........................................................................................272 EVERY 5000 HOURS MAINTENANCE................................................................................273 CHANGE OIL IN HYDRAULIC TANK............................................................................273 SPECIFICATIONS......................................................................................................275 SPECIFICATIONS..................................................................................................276 EXPLANATION OF LIFTING CAPACITY CHART.......................................................................278 ATTACHMENTS AND OPTIONS.............................................................................................281 GENERAL PRECAUTIONS.............................................................................................282 PRECAUTIONS RELATED TO SAFETY...............................................................................282 PRECAUTIONS WHEN INSTALLING ATTACHMENTS.....................................................................284 HANDLING BUCKET WITH HOOK.......................................................................................285 CHECKING FOR DAMAGE TO BUCKET WITH HOOK.....................................................................285 PROHIBITED OPERATIONS.......................................................................................285 PRECAUTIONS DURING OPERATIONS...........................................................................285 MACHINES READY FOR ATTACHMENTS..................................................................................286 EXPLANATION OF COMPONENTS...................................................................................286 STOP VALVE..............................................................................................286 SELECTOR VALVE..........................................................................................287 ATTACHMENT CONTROL PEDAL................................................................................287 LOCK PIN................................................................................................287 ADDITIONAL FILTER FOR BREAKER...........................................................................288 ACCUMULATOR.............................................................................................288 HYDRAULIC CIRCUIT...........................................................................................289 SWITCHING HYDRAULIC CIRCUIT.............................................................................289 ADJUSTING OIL FLOW......................................................................................289 SWITCHING BETWEEN BREAKER AND GENERAL ATTACHMENT........................................................289 HYDRAULIC CIRCUIT CONNECTION............................................................................290 PATH OF OIL.............................................................................................290 REPLACE ADDITIONAL BREAKER FILTER ELEMENT...............................................................291 ATTACHMENT MOUNTING/DISMOUNTING PROCEDURE...................................................................292 OPERATION...................................................................................................294 LONG-TERM STORAGE...........................................................................................296 SPECIFICATIONS..............................................................................................296 ATTACHMENT GUIDE................................................................................................297 COMBINATIONS OF WORK EQUIPMENT..............................................................................297 SELECTION OF TRACK SHOES....................................................................................299 METHOD OF SELECTING SHOES...............................................................................299 SELECTION OF BUCKET TEETH...................................................................................300 METHOD OF SELECTING TEETH...............................................................................300 Use of vertical pin teeth...............................................................................300 Use of horizontal pin teeth.............................................................................300 Use of long-life teeth..................................................................................300 Self-sharpening teeth (both vertical pin type and horizontal pin type)..................................300 STANDARDS FOR SELECTING VERTICAL PIN TYPE AND HORIZONTAL PIN TYPE TEETH.....................................300 HANDLING OF RUBBER PAD SHOE AND ROAD LINER..................................................................301 WORKING ENVIRONMENT.....................................................................................301 WORKING CONDITIONS......................................................................................301 STORAGE AND MAINTENANCE.................................................................................302 EXTENT OF DAMAGE TO RUBBER..............................................................................302 CHECK ROAD LINER (MACHINES EQUIPPED WITH ROAD LINER)....................................................302 HANDLING TRAPEZOIDAL BUCKET.................................................................................303 HOW TO PERFORM EXCAVATION...............................................................................303 HANDLING EXTENSION ARM......................................................................................304 HANDLING CLAMSHELL BUCKET...................................................................................305 PRECAUTIONS WHEN USING..................................................................................305 LUBRICATING.............................................................................................305 RECOMMENDED ATTACHMENT OPERATIONS...............................................................................306 HYDRAULIC BREAKER...........................................................................................306 MAIN APPLICATIONS.......................................................................................306 PROHIBITED WORKS........................................................................................308 GREASING POSITION FOR HYDRAULIC BREAKER.................................................................310 2-PC BOOM.......................................................................................................311 FEATURES OF 2-PIECE BOOM & ARM..............................................................................311 OPERATION...................................................................................................312 BEFORE STORAGE POSTURE WHEN LEAVING MACHINE.............................................................312 TESTING AND ADJUSTING.......................................................................................313 INSPECTION AND MAINTENANCE..............................................................................313 PERIODIC MAINTENANCE........................................................................................314 TRANSPORTATION..............................................................................................314 SPECIFICATIONS..............................................................................................315 WORKING RANGE TWO PIECE BOOM PC340LC-7K, PC340NLC-7K....................................................315 explanation of LIFTING CAPACITY CHART.......................................................................316 LIFTING CAPCITY TABLE - PC340LC 2 PC BOOM...............................................................317 LIFTING CAPCITY TABLE PC340NLC 2 PC BOOM................................................................318 STRAIGHT BOOM PC340LC/NLC-7K....................................................................................319 OPERATION...................................................................................................319 GENERAL VIEW OF MACHINE.................................................................................319 CAUTION ITEMS...........................................................................................320 CONTROL PEDALS (AUXILIARY HYDRAULIC CIRCUITS)...........................................................320 CRUSHER CONTROL PEDAL FOR OPENING AND CLOSING...........................................................321 CRUSHER CONTROL PEDAL FOR ROTATION......................................................................322 WORKING RANGE (PC 340 STRAIGHT BOOM)........................................................................323 TRANSPORTATION (Straight Boom equipment) - PC340LC..........................................................324 TRANSPORTATION (Straight Boom equipment) - PC340NLC.........................................................325 HIGH REACH DEMOLITION EQUIPMENT.................................................................................326 OPERATION INSTRUCTION FOR HIGH REACH DEMOLITION EQUIPMENT...................................................326 GENERAL VIEW OF MACHINE.....................................................................................326 CAUTION ITEMS...........................................................................................327 CONTROL LEVERS AND SWITCHES.................................................................................328 SAFETY LOCK LEVER.......................................................................................328 TRAVEL LEVERS...........................................................................................329 WORK EQUIPMENT CONTROL LEVERS...........................................................................330 CRUSHER CONTROL PEDAL FOR OPENING AND CLOSING...........................................................331 INTERMEDIATE LINK AND CRUSHER ROTATION CONTROL PEDAL Intermediate Link control (with auto-deceler.......332 TILTING CAB MECHANISM OPERATION.........................................................................334 BOOM ANGLE ALARM BUZZER CANCEL SWITCH...................................................................335 CEILING WINDOW WIPER SWITCH (10)........................................................................336 DEMOLITION/STANDARD EQUIPMENT CHANGEOVER SWITCH (11)....................................................337 MACHINE OPERATIONS AND CONTROLS.................................................................................338 BEFORE STARTING ENGINE......................................................................................338 FUNCTION CHECK..............................................................................................339 PRECAUTIONS WHEN OPERATING..................................................................................339 PROHIBITON OF WORK IN THE OVER SIDES DIRECTION..........................................................340 PROHIBITON OF WORK OUTSIDE SPECIFIED WORKING RANGE......................................................340 PROHIBITION OF WORK AT THE STROKE END OF A CYLINDER.....................................................343 PROHIBITION OF WORK WITH HYDRAULIC BREAKER..............................................................344 OPERATION...................................................................................................344 Adjustment of hydraulic variable gauge undercarriage, where fitted......................................344 Operating work equipment................................................................................345 Attachment control......................................................................................346 RAISING WORK EQUIPMENT......................................................................................348 WORKING RANGE AND USING RANGE OF BOOM.......................................................................349 POSTURE WHEN LEAVING MACHINE................................................................................352 DEMOLITION DIGGING BOOM INSTALLATION AND REMOVAL................................................................353 PROCEDURE FOR INSTALLATION AND REMOVAL OF DEMOLITION DIGGING EQUIPMENT......................................353 REMOVAL OF HIGH REACH WORK EQUIPMENT....................................................................353 FITTING DEMOLITION DIGGING EQUIPMENT....................................................................358 REMOVAL OF DEMOLITION DIGGING EQUIPMENT.................................................................362 CONNECTING DIGGING ARM TO DEMOLITION DIGGING BOOM.......................................................362 PURGING AIR PROCEDURES..........................................................................................364 PURGING PROCEDURE TO REMOVE AIR FROM HYDRAULIC CYLINDER LINES...............................................364 PROCEDURE FOR PURGING AIR FROM BOOM LOCK VALVE PPC CIRCUIT..................................................364 PURGING AIR FROM HYDRAULIC DRIFT PREVENTATIVE VALVE PPC CIRCUITS OF MID LINK AND ARM CYLINDER...............366 TRANSPORTATION (high reach demolition equipment fitted).....................................................368 PROCEDURE FOR LOADING ON TO TRAILER.....................................................................368 TRANSPORTATION (demolition digging equipment fitted)........................................................369 PROCEDURE FOR LOADING ON TO TRAILER.....................................................................369 TRANSPORTATION (high reach demolition equipment alone)......................................................369 PROCEDURE FOR LOADING ON TO TRAILER.....................................................................369 WEIGHTS AND DIMENSIONS..................................................................................374 TRANSPORT DIMENSIONS - HIGH REACH CONFIGURATION.........................................................375 TRANSPORT DIMENSIONS - DIGGING BOOM CONFIGURATION.......................................................376
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KOMATSU PC340LC-7K PC340NLC-7K HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL – PDF DOWNLOAD:
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